diff --git a/Gruntfile.js b/Gruntfile.js
index 28d0b9e..f7b2e20 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -50,7 +50,7 @@ module.exports = function(grunt) {
"paths" : {
"typedefs" : "typedefs",
- "gl-matrix": "../node_modules/gl-matrix/dist/gl-matrix"
+ "gl-matrix": "../node_modules/gl-matrix/dist/gl-matrix-min"
}
}
}
diff --git a/README.md b/README.md
index 54b7981..8f58985 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
quaggaJS
========
-- [Changelog](#changelog) (2015-08-13)
+- [Changelog](#changelog) (2015-08-29)
## What is QuaggaJS?
@@ -34,10 +34,10 @@ be aligned with the viewport.
In order to take full advantage of quaggaJS, the browser needs to support the
`getUserMedia` API which is already implemented in recent versions of Firefox,
-Chrome and Opera. The API is also available on their mobile counterparts
-installed on Android. Safari and IE do not allow the access to the camera yet,
-neither on desktop, nor on mobile. You can check [caniuse][caniuse_getusermedia]
-for updates.
+Chrome, IE (Edge) and Opera. The API is also available on their mobile
+counterparts installed on Android (except IE). Safari does not allow the access
+to the camera yet, neither on desktop, nor on mobile. You can check
+[caniuse][caniuse_getusermedia] for updates.
In cases where real-time decoding is not needed, or the platform does not
support `getUserMedia` QuaggaJS is also capable of decoding image-files using
@@ -377,6 +377,10 @@ on the ``singleChannel`` flag in the configuration when using ``decodeSingle``.
## Changelog
+### 2015-08-29
+- Improvements
+ - Added support for Internet Explorer (only Edge+ supports `getUserMedia`)
+
### 2015-08-13
- Improvements
- Added `offProcessed` and `offDetected` methods for detaching event-
diff --git a/dist/quagga.js b/dist/quagga.js
index 95f9cb4..3dc3075 100644
--- a/dist/quagga.js
+++ b/dist/quagga.js
@@ -835,5801 +835,148 @@ if (typeof window !== 'undefined') {
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
}
-
-define("typedefs", (function (global) {
- return function () {
- var ret, fn;
- return ret || global.typedefs;
- };
-}(this)));
-
-/* jshint undef: true, unused: true, browser:true, devel: true */
-/* global define */
-
-define('subImage',["typedefs"], function() {
- "use strict";
-
- /**
- * Construct representing a part of another {ImageWrapper}. Shares data
- * between the parent and the child.
- * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner)
- * @param size {ImageRef} The size of the resulting image
- * @param I {ImageWrapper} The {ImageWrapper} to share from
- * @returns {SubImage} A shared part of the original image
- */
- function SubImage(from, size, I) {
- if (!I) {
- I = {
- data : null,
- size : size
- };
- }
- this.data = I.data;
- this.originalSize = I.size;
- this.I = I;
-
- this.from = from;
- this.size = size;
- }
-
- /**
- * Displays the {SubImage} in a given canvas
- * @param canvas {Canvas} The canvas element to write to
- * @param scale {Number} Scale which is applied to each pixel-value
- */
- SubImage.prototype.show = function(canvas, scale) {
- var ctx,
- frame,
- data,
- current,
- y,
- x,
- pixel;
-
- if (!scale) {
- scale = 1.0;
- }
- ctx = canvas.getContext('2d');
- canvas.width = this.size.x;
- canvas.height = this.size.y;
- frame = ctx.getImageData(0, 0, canvas.width, canvas.height);
- data = frame.data;
- current = 0;
- for (y = 0; y < this.size.y; y++) {
- for (x = 0; x < this.size.x; x++) {
- pixel = y * this.size.x + x;
- current = this.get(x, y) * scale;
- data[pixel * 4 + 0] = current;
- data[pixel * 4 + 1] = current;
- data[pixel * 4 + 2] = current;
- data[pixel * 4 + 3] = 255;
- }
- }
- frame.data = data;
- ctx.putImageData(frame, 0, 0);
- };
-
- /**
- * Retrieves a given pixel position from the {SubImage}
- * @param x {Number} The x-position
- * @param y {Number} The y-position
- * @returns {Number} The grayscale value at the pixel-position
- */
- SubImage.prototype.get = function(x, y) {
- return this.data[(this.from.y + y) * this.originalSize.x + this.from.x + x];
- };
-
- /**
- * Updates the underlying data from a given {ImageWrapper}
- * @param image {ImageWrapper} The updated image
- */
- SubImage.prototype.updateData = function(image) {
- this.originalSize = image.size;
- this.data = image.data;
- };
-
- /**
- * Updates the position of the shared area
- * @param from {x,y} The new location
- * @returns {SubImage} returns {this} for possible chaining
- */
- SubImage.prototype.updateFrom = function(from) {
- this.from = from;
- return this;
- };
-
- return (SubImage);
-});
-/* jshint undef: true, unused: true, browser:true, devel: true */
-/* global define, vec2 */
-
-define('cluster',[],function() {
- "use strict";
-
- /**
- * Creates a cluster for grouping similar orientations of datapoints
- */
- var Cluster = {
- create : function(point, threshold) {
- var points = [], center = {
- rad : 0,
- vec : vec2.create([0, 0])
- }, pointMap = {};
-
- function init() {
- add(point);
- updateCenter();
- }
-
- function add(point) {
- pointMap[point.id] = point;
- points.push(point);
- }
-
- function updateCenter() {
- var i, sum = 0;
- for ( i = 0; i < points.length; i++) {
- sum += points[i].rad;
- }
- center.rad = sum / points.length;
- center.vec = vec2.create([Math.cos(center.rad), Math.sin(center.rad)]);
- }
-
- init();
-
- return {
- add : function(point) {
- if (!pointMap[point.id]) {
- add(point);
- updateCenter();
- }
- },
- fits : function(point) {
- // check cosine similarity to center-angle
- var similarity = Math.abs(vec2.dot(point.point.vec, center.vec));
- if (similarity > threshold) {
- return true;
- }
- return false;
- },
- getPoints : function() {
- return points;
- },
- getCenter : function() {
- return center;
- }
- };
- },
- createPoint : function(point, id, property) {
- return {
- rad : point[property],
- point : point,
- id : id
- };
- }
- };
-
- return (Cluster);
-});
-
-/*
- * glMatrix.js - High performance matrix and vector operations for WebGL
- * version 0.9.6
- */
-
-/*
- * Copyright (c) 2011 Brandon Jones
- *
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- *
- * 2. Altered source versions must be plainly marked as such, and must not
- * be misrepresented as being the original software.
- *
- * 3. This notice may not be removed or altered from any source
- * distribution.
- */
-
-
-
-/*
- * vec3 - 3 Dimensional Vector
- */
-var vec3 = {};
-
-/*
- * vec3.create
- * Creates a new instance of a vec3 using the default array type
- * Any javascript array containing at least 3 numeric elements can serve as a vec3
- *
- * Params:
- * vec - Optional, vec3 containing values to initialize with
- *
- * Returns:
- * New vec3
- */
-vec3.create = function(vec) {
- var dest;
- if(vec) {
- dest = new glMatrixArrayType(3);
- dest[0] = vec[0];
- dest[1] = vec[1];
- dest[2] = vec[2];
- } else {
- if(glMatrixArrayType === Array)
- dest = new glMatrixArrayType([0,0,0]);
- else
- dest = new glMatrixArrayType(3);
- }
-
- return dest;
-};
-
-/*
- * vec3.set
- * Copies the values of one vec3 to another
- *
- * Params:
- * vec - vec3 containing values to copy
- * dest - vec3 receiving copied values
- *
- * Returns:
- * dest
- */
-vec3.set = function(vec, dest) {
- dest[0] = vec[0];
- dest[1] = vec[1];
- dest[2] = vec[2];
-
- return dest;
-};
-
-/*
- * vec3.add
- * Performs a vector addition
- *
- * Params:
- * vec - vec3, first operand
- * vec2 - vec3, second operand
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.add = function(vec, vec2, dest) {
- if(!dest || vec == dest) {
- vec[0] += vec2[0];
- vec[1] += vec2[1];
- vec[2] += vec2[2];
- return vec;
- }
-
- dest[0] = vec[0] + vec2[0];
- dest[1] = vec[1] + vec2[1];
- dest[2] = vec[2] + vec2[2];
- return dest;
-};
-
-/*
- * vec3.subtract
- * Performs a vector subtraction
- *
- * Params:
- * vec - vec3, first operand
- * vec2 - vec3, second operand
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.subtract = function(vec, vec2, dest) {
- if(!dest || vec == dest) {
- vec[0] -= vec2[0];
- vec[1] -= vec2[1];
- vec[2] -= vec2[2];
- return vec;
- }
-
- dest[0] = vec[0] - vec2[0];
- dest[1] = vec[1] - vec2[1];
- dest[2] = vec[2] - vec2[2];
- return dest;
-};
-
-/*
- * vec3.negate
- * Negates the components of a vec3
- *
- * Params:
- * vec - vec3 to negate
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.negate = function(vec, dest) {
- if(!dest) { dest = vec; }
-
- dest[0] = -vec[0];
- dest[1] = -vec[1];
- dest[2] = -vec[2];
- return dest;
-};
-
-/*
- * vec3.scale
- * Multiplies the components of a vec3 by a scalar value
- *
- * Params:
- * vec - vec3 to scale
- * val - Numeric value to scale by
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.scale = function(vec, val, dest) {
- if(!dest || vec == dest) {
- vec[0] *= val;
- vec[1] *= val;
- vec[2] *= val;
- return vec;
- }
-
- dest[0] = vec[0]*val;
- dest[1] = vec[1]*val;
- dest[2] = vec[2]*val;
- return dest;
-};
-
-/*
- * vec3.normalize
- * Generates a unit vector of the same direction as the provided vec3
- * If vector length is 0, returns [0, 0, 0]
- *
- * Params:
- * vec - vec3 to normalize
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.normalize = function(vec, dest) {
- if(!dest) { dest = vec; }
-
- var x = vec[0], y = vec[1], z = vec[2];
- var len = Math.sqrt(x*x + y*y + z*z);
-
- if (!len) {
- dest[0] = 0;
- dest[1] = 0;
- dest[2] = 0;
- return dest;
- } else if (len == 1) {
- dest[0] = x;
- dest[1] = y;
- dest[2] = z;
- return dest;
- }
-
- len = 1 / len;
- dest[0] = x*len;
- dest[1] = y*len;
- dest[2] = z*len;
- return dest;
-};
-
-/*
- * vec3.cross
- * Generates the cross product of two vec3s
- *
- * Params:
- * vec - vec3, first operand
- * vec2 - vec3, second operand
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.cross = function(vec, vec2, dest){
- if(!dest) { dest = vec; }
-
- var x = vec[0], y = vec[1], z = vec[2];
- var x2 = vec2[0], y2 = vec2[1], z2 = vec2[2];
-
- dest[0] = y*z2 - z*y2;
- dest[1] = z*x2 - x*z2;
- dest[2] = x*y2 - y*x2;
- return dest;
-};
-
-/*
- * vec3.length
- * Caclulates the length of a vec3
- *
- * Params:
- * vec - vec3 to calculate length of
- *
- * Returns:
- * Length of vec
- */
-vec3.length = function(vec){
- var x = vec[0], y = vec[1], z = vec[2];
- return Math.sqrt(x*x + y*y + z*z);
-};
-
-/*
- * vec3.dot
- * Caclulates the dot product of two vec3s
- *
- * Params:
- * vec - vec3, first operand
- * vec2 - vec3, second operand
- *
- * Returns:
- * Dot product of vec and vec2
- */
-vec3.dot = function(vec, vec2){
- return vec[0]*vec2[0] + vec[1]*vec2[1] + vec[2]*vec2[2];
-};
-
-/*
- * vec3.direction
- * Generates a unit vector pointing from one vector to another
- *
- * Params:
- * vec - origin vec3
- * vec2 - vec3 to point to
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.direction = function(vec, vec2, dest) {
- if(!dest) { dest = vec; }
-
- var x = vec[0] - vec2[0];
- var y = vec[1] - vec2[1];
- var z = vec[2] - vec2[2];
-
- var len = Math.sqrt(x*x + y*y + z*z);
- if (!len) {
- dest[0] = 0;
- dest[1] = 0;
- dest[2] = 0;
- return dest;
- }
-
- len = 1 / len;
- dest[0] = x * len;
- dest[1] = y * len;
- dest[2] = z * len;
- return dest;
-};
-
-/*
- * vec3.lerp
- * Performs a linear interpolation between two vec3
- *
- * Params:
- * vec - vec3, first vector
- * vec2 - vec3, second vector
- * lerp - interpolation amount between the two inputs
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-vec3.lerp = function(vec, vec2, lerp, dest){
- if(!dest) { dest = vec; }
-
- dest[0] = vec[0] + lerp * (vec2[0] - vec[0]);
- dest[1] = vec[1] + lerp * (vec2[1] - vec[1]);
- dest[2] = vec[2] + lerp * (vec2[2] - vec[2]);
-
- return dest;
-};
-
-/*
- * vec3.str
- * Returns a string representation of a vector
- *
- * Params:
- * vec - vec3 to represent as a string
- *
- * Returns:
- * string representation of vec
- */
-vec3.str = function(vec) {
- return '[' + vec[0] + ', ' + vec[1] + ', ' + vec[2] + ']';
-};
-
-/*
- * mat3 - 3x3 Matrix
- */
-var mat3 = {};
-
-<<<<<<< HEAD
-glMatrixArrayType = Float32Array;
-if (typeof window !== 'undefined') {
- window.requestAnimFrame = (function () {
- return window.requestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- window.mozRequestAnimationFrame ||
- window.oRequestAnimationFrame ||
- window.msRequestAnimationFrame ||
- function (/* function FrameRequestCallback */ callback, /* DOMElement Element */ element) {
- window.setTimeout(callback, 1000 / 60);
- };
- })();
-
- navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
- window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
-}
-
-define("typedefs", (function (global) {
- return function () {
- var ret, fn;
- return ret || global.typedefs;
- };
-}(this)));
-
-/* jshint undef: true, unused: true, browser:true, devel: true */
-/* global define */
-
-define('subImage',["typedefs"], function() {
- "use strict";
-
- /**
- * Construct representing a part of another {ImageWrapper}. Shares data
- * between the parent and the child.
- * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner)
- * @param size {ImageRef} The size of the resulting image
- * @param I {ImageWrapper} The {ImageWrapper} to share from
- * @returns {SubImage} A shared part of the original image
- */
- function SubImage(from, size, I) {
- if (!I) {
- I = {
- data : null,
- size : size
- };
- }
- this.data = I.data;
- this.originalSize = I.size;
- this.I = I;
-
- this.from = from;
- this.size = size;
- }
-
- /**
- * Displays the {SubImage} in a given canvas
- * @param canvas {Canvas} The canvas element to write to
- * @param scale {Number} Scale which is applied to each pixel-value
- */
- SubImage.prototype.show = function(canvas, scale) {
- var ctx,
- frame,
- data,
- current,
- y,
- x,
- pixel;
-
- if (!scale) {
- scale = 1.0;
- }
- ctx = canvas.getContext('2d');
- canvas.width = this.size.x;
- canvas.height = this.size.y;
- frame = ctx.getImageData(0, 0, canvas.width, canvas.height);
- data = frame.data;
- current = 0;
- for (y = 0; y < this.size.y; y++) {
- for (x = 0; x < this.size.x; x++) {
- pixel = y * this.size.x + x;
- current = this.get(x, y) * scale;
- data[pixel * 4 + 0] = current;
- data[pixel * 4 + 1] = current;
- data[pixel * 4 + 2] = current;
- data[pixel * 4 + 3] = 255;
- }
- }
- frame.data = data;
- ctx.putImageData(frame, 0, 0);
- };
-
- /**
- * Retrieves a given pixel position from the {SubImage}
- * @param x {Number} The x-position
- * @param y {Number} The y-position
- * @returns {Number} The grayscale value at the pixel-position
- */
- SubImage.prototype.get = function(x, y) {
- return this.data[(this.from.y + y) * this.originalSize.x + this.from.x + x];
- };
-
- /**
- * Updates the underlying data from a given {ImageWrapper}
- * @param image {ImageWrapper} The updated image
- */
- SubImage.prototype.updateData = function(image) {
- this.originalSize = image.size;
- this.data = image.data;
- };
-
- /**
- * Updates the position of the shared area
- * @param from {x,y} The new location
- * @returns {SubImage} returns {this} for possible chaining
- */
- SubImage.prototype.updateFrom = function(from) {
- this.from = from;
- return this;
- };
-
- return (SubImage);
-});
-/**
- * @fileoverview gl-matrix - High performance matrix and vector operations
- * @author Brandon Jones
- * @author Colin MacKenzie IV
- * @version 2.1.0
- */
-
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-
-(function() {
- "use strict";
-
- var shim = {};
- if (typeof(exports) === 'undefined') {
- if(typeof define == 'function' && typeof define.amd == 'object' && define.amd) {
- shim.exports = {};
- define('gl-matrix',[],function() {
- return shim.exports;
- });
- } else {
- // gl-matrix lives in a browser, define its namespaces in global
- shim.exports = window;
- }
- }
- else {
- // gl-matrix lives in commonjs, define its namespaces in exports
- shim.exports = exports;
- }
-
- (function(exports) {
- /* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-
-if(!GLMAT_EPSILON) {
- var GLMAT_EPSILON = 0.000001;
-}
-
-if(!GLMAT_ARRAY_TYPE) {
- var GLMAT_ARRAY_TYPE = (typeof Float32Array !== 'undefined') ? Float32Array : Array;
-}
-
-/**
- * @class Common utilities
- * @name glMatrix
- */
-var glMatrix = {};
-
-/**
- * Sets the type of array used when creating new vectors and matricies
- *
- * @param {Type} type Array type, such as Float32Array or Array
- */
-glMatrix.setMatrixArrayType = function(type) {
- GLMAT_ARRAY_TYPE = type;
-}
-
-if(typeof(exports) !== 'undefined') {
- exports.glMatrix = glMatrix;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 2 Dimensional Vector
- * @name vec2
- */
-
-var vec2 = {};
-
-/**
- * Creates a new, empty vec2
- *
- * @returns {vec2} a new 2D vector
- */
-vec2.create = function() {
- var out = new GLMAT_ARRAY_TYPE(2);
- out[0] = 0;
- out[1] = 0;
- return out;
-};
-
-/**
- * Creates a new vec2 initialized with values from an existing vector
- *
- * @param {vec2} a vector to clone
- * @returns {vec2} a new 2D vector
- */
-vec2.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(2);
- out[0] = a[0];
- out[1] = a[1];
- return out;
-};
-
-/**
- * Creates a new vec2 initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @returns {vec2} a new 2D vector
- */
-vec2.fromValues = function(x, y) {
- var out = new GLMAT_ARRAY_TYPE(2);
- out[0] = x;
- out[1] = y;
- return out;
-};
-
-/**
- * Copy the values from one vec2 to another
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the source vector
- * @returns {vec2} out
- */
-vec2.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- return out;
-};
-
-/**
- * Set the components of a vec2 to the given values
- *
- * @param {vec2} out the receiving vector
- * @param {Number} x X component
- * @param {Number} y Y component
- * @returns {vec2} out
- */
-vec2.set = function(out, x, y) {
- out[0] = x;
- out[1] = y;
- return out;
-};
-
-/**
- * Adds two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.add = function(out, a, b) {
- out[0] = a[0] + b[0];
- out[1] = a[1] + b[1];
- return out;
-};
-
-/**
- * Subtracts two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.subtract = function(out, a, b) {
- out[0] = a[0] - b[0];
- out[1] = a[1] - b[1];
- return out;
-};
-
-/**
- * Alias for {@link vec2.subtract}
- * @function
- */
-vec2.sub = vec2.subtract;
-
-/**
- * Multiplies two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.multiply = function(out, a, b) {
- out[0] = a[0] * b[0];
- out[1] = a[1] * b[1];
- return out;
-};
-
-/**
- * Alias for {@link vec2.multiply}
- * @function
- */
-vec2.mul = vec2.multiply;
-
-/**
- * Divides two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.divide = function(out, a, b) {
- out[0] = a[0] / b[0];
- out[1] = a[1] / b[1];
- return out;
-};
-
-/**
- * Alias for {@link vec2.divide}
- * @function
- */
-vec2.div = vec2.divide;
-
-/**
- * Returns the minimum of two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.min = function(out, a, b) {
- out[0] = Math.min(a[0], b[0]);
- out[1] = Math.min(a[1], b[1]);
- return out;
-};
-
-/**
- * Returns the maximum of two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec2} out
- */
-vec2.max = function(out, a, b) {
- out[0] = Math.max(a[0], b[0]);
- out[1] = Math.max(a[1], b[1]);
- return out;
-};
-
-/**
- * Scales a vec2 by a scalar number
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {vec2} out
- */
-vec2.scale = function(out, a, b) {
- out[0] = a[0] * b;
- out[1] = a[1] * b;
- return out;
-};
-
-/**
- * Calculates the euclidian distance between two vec2's
- *
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {Number} distance between a and b
- */
-vec2.distance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1];
- return Math.sqrt(x*x + y*y);
-};
-
-/**
- * Alias for {@link vec2.distance}
- * @function
- */
-vec2.dist = vec2.distance;
-
-/**
- * Calculates the squared euclidian distance between two vec2's
- *
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {Number} squared distance between a and b
- */
-vec2.squaredDistance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1];
- return x*x + y*y;
-};
-
-/**
- * Alias for {@link vec2.squaredDistance}
- * @function
- */
-vec2.sqrDist = vec2.squaredDistance;
-
-/**
- * Calculates the length of a vec2
- *
- * @param {vec2} a vector to calculate length of
- * @returns {Number} length of a
- */
-vec2.length = function (a) {
- var x = a[0],
- y = a[1];
- return Math.sqrt(x*x + y*y);
-};
-
-/**
- * Alias for {@link vec2.length}
- * @function
- */
-vec2.len = vec2.length;
-
-/**
- * Calculates the squared length of a vec2
- *
- * @param {vec2} a vector to calculate squared length of
- * @returns {Number} squared length of a
- */
-vec2.squaredLength = function (a) {
- var x = a[0],
- y = a[1];
- return x*x + y*y;
-};
-
-/**
- * Alias for {@link vec2.squaredLength}
- * @function
- */
-vec2.sqrLen = vec2.squaredLength;
-
-/**
- * Negates the components of a vec2
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a vector to negate
- * @returns {vec2} out
- */
-vec2.negate = function(out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- return out;
-};
-
-/**
- * Normalize a vec2
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a vector to normalize
- * @returns {vec2} out
- */
-vec2.normalize = function(out, a) {
- var x = a[0],
- y = a[1];
- var len = x*x + y*y;
- if (len > 0) {
- //TODO: evaluate use of glm_invsqrt here?
- len = 1 / Math.sqrt(len);
- out[0] = a[0] * len;
- out[1] = a[1] * len;
- }
- return out;
-};
-
-/**
- * Calculates the dot product of two vec2's
- *
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {Number} dot product of a and b
- */
-vec2.dot = function (a, b) {
- return a[0] * b[0] + a[1] * b[1];
-};
-
-/**
- * Computes the cross product of two vec2's
- * Note that the cross product must by definition produce a 3D vector
- *
- * @param {vec3} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @returns {vec3} out
- */
-vec2.cross = function(out, a, b) {
- var z = a[0] * b[1] - a[1] * b[0];
- out[0] = out[1] = 0;
- out[2] = z;
- return out;
-};
-
-/**
- * Performs a linear interpolation between two vec2's
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the first operand
- * @param {vec2} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {vec2} out
- */
-vec2.lerp = function (out, a, b, t) {
- var ax = a[0],
- ay = a[1];
- out[0] = ax + t * (b[0] - ax);
- out[1] = ay + t * (b[1] - ay);
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat2
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat2} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat2 = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[2] * y;
- out[1] = m[1] * x + m[3] * y;
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat2d
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat2d} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat2d = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[2] * y + m[4];
- out[1] = m[1] * x + m[3] * y + m[5];
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat3
- * 3rd vector component is implicitly '1'
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat3} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat3 = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[3] * y + m[6];
- out[1] = m[1] * x + m[4] * y + m[7];
- return out;
-};
-
-/**
- * Transforms the vec2 with a mat4
- * 3rd vector component is implicitly '0'
- * 4th vector component is implicitly '1'
- *
- * @param {vec2} out the receiving vector
- * @param {vec2} a the vector to transform
- * @param {mat4} m matrix to transform with
- * @returns {vec2} out
- */
-vec2.transformMat4 = function(out, a, m) {
- var x = a[0],
- y = a[1];
- out[0] = m[0] * x + m[4] * y + m[12];
- out[1] = m[1] * x + m[5] * y + m[13];
- return out;
-};
-
-/**
- * Perform some operation over an array of vec2s.
- *
- * @param {Array} a the array of vectors to iterate over
- * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed
- * @param {Number} offset Number of elements to skip at the beginning of the array
- * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array
- * @param {Function} fn Function to call for each vector in the array
- * @param {Object} [arg] additional argument to pass to fn
- * @returns {Array} a
- * @function
- */
-vec2.forEach = (function() {
- var vec = vec2.create();
-
- return function(a, stride, offset, count, fn, arg) {
- var i, l;
- if(!stride) {
- stride = 2;
- }
-
- if(!offset) {
- offset = 0;
- }
-
- if(count) {
- l = Math.min((count * stride) + offset, a.length);
- } else {
- l = a.length;
- }
-
- for(i = offset; i < l; i += stride) {
- vec[0] = a[i]; vec[1] = a[i+1];
- fn(vec, vec, arg);
- a[i] = vec[0]; a[i+1] = vec[1];
- }
-
- return a;
- };
-})();
-
-/**
- * Returns a string representation of a vector
- *
- * @param {vec2} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-vec2.str = function (a) {
- return 'vec2(' + a[0] + ', ' + a[1] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.vec2 = vec2;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 3 Dimensional Vector
- * @name vec3
- */
-
-var vec3 = {};
-
-/**
- * Creates a new, empty vec3
- *
- * @returns {vec3} a new 3D vector
- */
-vec3.create = function() {
- var out = new GLMAT_ARRAY_TYPE(3);
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- return out;
-};
-
-/**
- * Creates a new vec3 initialized with values from an existing vector
- *
- * @param {vec3} a vector to clone
- * @returns {vec3} a new 3D vector
- */
-vec3.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(3);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- return out;
-};
-
-/**
- * Creates a new vec3 initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @returns {vec3} a new 3D vector
- */
-vec3.fromValues = function(x, y, z) {
- var out = new GLMAT_ARRAY_TYPE(3);
- out[0] = x;
- out[1] = y;
- out[2] = z;
- return out;
-};
-
-/**
- * Copy the values from one vec3 to another
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the source vector
- * @returns {vec3} out
- */
-vec3.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- return out;
-};
-
-/**
- * Set the components of a vec3 to the given values
- *
- * @param {vec3} out the receiving vector
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @returns {vec3} out
- */
-vec3.set = function(out, x, y, z) {
- out[0] = x;
- out[1] = y;
- out[2] = z;
- return out;
-};
-
-/**
- * Adds two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.add = function(out, a, b) {
- out[0] = a[0] + b[0];
- out[1] = a[1] + b[1];
- out[2] = a[2] + b[2];
- return out;
-};
-
-/**
- * Subtracts two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.subtract = function(out, a, b) {
- out[0] = a[0] - b[0];
- out[1] = a[1] - b[1];
- out[2] = a[2] - b[2];
- return out;
-};
-
-/**
- * Alias for {@link vec3.subtract}
- * @function
- */
-vec3.sub = vec3.subtract;
-
-/**
- * Multiplies two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.multiply = function(out, a, b) {
- out[0] = a[0] * b[0];
- out[1] = a[1] * b[1];
- out[2] = a[2] * b[2];
- return out;
-};
-
-/**
- * Alias for {@link vec3.multiply}
- * @function
- */
-vec3.mul = vec3.multiply;
-
-/**
- * Divides two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.divide = function(out, a, b) {
- out[0] = a[0] / b[0];
- out[1] = a[1] / b[1];
- out[2] = a[2] / b[2];
- return out;
-};
-
-/**
- * Alias for {@link vec3.divide}
- * @function
- */
-vec3.div = vec3.divide;
-
-/**
- * Returns the minimum of two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.min = function(out, a, b) {
- out[0] = Math.min(a[0], b[0]);
- out[1] = Math.min(a[1], b[1]);
- out[2] = Math.min(a[2], b[2]);
- return out;
-};
-
-/**
- * Returns the maximum of two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.max = function(out, a, b) {
- out[0] = Math.max(a[0], b[0]);
- out[1] = Math.max(a[1], b[1]);
- out[2] = Math.max(a[2], b[2]);
- return out;
-};
-
-/**
- * Scales a vec3 by a scalar number
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {vec3} out
- */
-vec3.scale = function(out, a, b) {
- out[0] = a[0] * b;
- out[1] = a[1] * b;
- out[2] = a[2] * b;
- return out;
-};
-
-/**
- * Calculates the euclidian distance between two vec3's
- *
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {Number} distance between a and b
- */
-vec3.distance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2];
- return Math.sqrt(x*x + y*y + z*z);
-};
-
-/**
- * Alias for {@link vec3.distance}
- * @function
- */
-vec3.dist = vec3.distance;
-
-/**
- * Calculates the squared euclidian distance between two vec3's
- *
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {Number} squared distance between a and b
- */
-vec3.squaredDistance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2];
- return x*x + y*y + z*z;
-};
-
-/**
- * Alias for {@link vec3.squaredDistance}
- * @function
- */
-vec3.sqrDist = vec3.squaredDistance;
-
-/**
- * Calculates the length of a vec3
- *
- * @param {vec3} a vector to calculate length of
- * @returns {Number} length of a
- */
-vec3.length = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2];
- return Math.sqrt(x*x + y*y + z*z);
-};
-
-/**
- * Alias for {@link vec3.length}
- * @function
- */
-vec3.len = vec3.length;
-
-/**
- * Calculates the squared length of a vec3
- *
- * @param {vec3} a vector to calculate squared length of
- * @returns {Number} squared length of a
- */
-vec3.squaredLength = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2];
- return x*x + y*y + z*z;
-};
-
-/**
- * Alias for {@link vec3.squaredLength}
- * @function
- */
-vec3.sqrLen = vec3.squaredLength;
-
-/**
- * Negates the components of a vec3
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a vector to negate
- * @returns {vec3} out
- */
-vec3.negate = function(out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- out[2] = -a[2];
- return out;
-};
-
-/**
- * Normalize a vec3
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a vector to normalize
- * @returns {vec3} out
- */
-vec3.normalize = function(out, a) {
- var x = a[0],
- y = a[1],
- z = a[2];
- var len = x*x + y*y + z*z;
- if (len > 0) {
- //TODO: evaluate use of glm_invsqrt here?
- len = 1 / Math.sqrt(len);
- out[0] = a[0] * len;
- out[1] = a[1] * len;
- out[2] = a[2] * len;
- }
- return out;
-};
-
-/**
- * Calculates the dot product of two vec3's
- *
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {Number} dot product of a and b
- */
-vec3.dot = function (a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
-};
-
-/**
- * Computes the cross product of two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @returns {vec3} out
- */
-vec3.cross = function(out, a, b) {
- var ax = a[0], ay = a[1], az = a[2],
- bx = b[0], by = b[1], bz = b[2];
-
- out[0] = ay * bz - az * by;
- out[1] = az * bx - ax * bz;
- out[2] = ax * by - ay * bx;
- return out;
-};
-
-/**
- * Performs a linear interpolation between two vec3's
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the first operand
- * @param {vec3} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {vec3} out
- */
-vec3.lerp = function (out, a, b, t) {
- var ax = a[0],
- ay = a[1],
- az = a[2];
- out[0] = ax + t * (b[0] - ax);
- out[1] = ay + t * (b[1] - ay);
- out[2] = az + t * (b[2] - az);
- return out;
-};
-
-/**
- * Transforms the vec3 with a mat4.
- * 4th vector component is implicitly '1'
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to transform
- * @param {mat4} m matrix to transform with
- * @returns {vec3} out
- */
-vec3.transformMat4 = function(out, a, m) {
- var x = a[0], y = a[1], z = a[2];
- out[0] = m[0] * x + m[4] * y + m[8] * z + m[12];
- out[1] = m[1] * x + m[5] * y + m[9] * z + m[13];
- out[2] = m[2] * x + m[6] * y + m[10] * z + m[14];
- return out;
-};
-
-/**
- * Transforms the vec3 with a quat
- *
- * @param {vec3} out the receiving vector
- * @param {vec3} a the vector to transform
- * @param {quat} q quaternion to transform with
- * @returns {vec3} out
- */
-vec3.transformQuat = function(out, a, q) {
- var x = a[0], y = a[1], z = a[2],
- qx = q[0], qy = q[1], qz = q[2], qw = q[3],
-
- // calculate quat * vec
- ix = qw * x + qy * z - qz * y,
- iy = qw * y + qz * x - qx * z,
- iz = qw * z + qx * y - qy * x,
- iw = -qx * x - qy * y - qz * z;
-
- // calculate result * inverse quat
- out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;
- out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;
- out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;
- return out;
-};
-
-/**
- * Perform some operation over an array of vec3s.
- *
- * @param {Array} a the array of vectors to iterate over
- * @param {Number} stride Number of elements between the start of each vec3. If 0 assumes tightly packed
- * @param {Number} offset Number of elements to skip at the beginning of the array
- * @param {Number} count Number of vec3s to iterate over. If 0 iterates over entire array
- * @param {Function} fn Function to call for each vector in the array
- * @param {Object} [arg] additional argument to pass to fn
- * @returns {Array} a
- * @function
- */
-vec3.forEach = (function() {
- var vec = vec3.create();
-
- return function(a, stride, offset, count, fn, arg) {
- var i, l;
- if(!stride) {
- stride = 3;
- }
-
- if(!offset) {
- offset = 0;
- }
-
- if(count) {
- l = Math.min((count * stride) + offset, a.length);
- } else {
- l = a.length;
- }
-
- for(i = offset; i < l; i += stride) {
- vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2];
- fn(vec, vec, arg);
- a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2];
- }
-
- return a;
- };
-})();
-
-/**
- * Returns a string representation of a vector
- *
- * @param {vec3} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-vec3.str = function (a) {
- return 'vec3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.vec3 = vec3;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 4 Dimensional Vector
- * @name vec4
- */
-
-var vec4 = {};
-
-/**
- * Creates a new, empty vec4
- *
- * @returns {vec4} a new 4D vector
- */
-vec4.create = function() {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- return out;
-};
-
-/**
- * Creates a new vec4 initialized with values from an existing vector
- *
- * @param {vec4} a vector to clone
- * @returns {vec4} a new 4D vector
- */
-vec4.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Creates a new vec4 initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {vec4} a new 4D vector
- */
-vec4.fromValues = function(x, y, z, w) {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = x;
- out[1] = y;
- out[2] = z;
- out[3] = w;
- return out;
-};
-
-/**
- * Copy the values from one vec4 to another
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the source vector
- * @returns {vec4} out
- */
-vec4.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Set the components of a vec4 to the given values
- *
- * @param {vec4} out the receiving vector
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {vec4} out
- */
-vec4.set = function(out, x, y, z, w) {
- out[0] = x;
- out[1] = y;
- out[2] = z;
- out[3] = w;
- return out;
-};
-
-/**
- * Adds two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.add = function(out, a, b) {
- out[0] = a[0] + b[0];
- out[1] = a[1] + b[1];
- out[2] = a[2] + b[2];
- out[3] = a[3] + b[3];
- return out;
-};
-
-/**
- * Subtracts two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.subtract = function(out, a, b) {
- out[0] = a[0] - b[0];
- out[1] = a[1] - b[1];
- out[2] = a[2] - b[2];
- out[3] = a[3] - b[3];
- return out;
-};
-
-/**
- * Alias for {@link vec4.subtract}
- * @function
- */
-vec4.sub = vec4.subtract;
-
-/**
- * Multiplies two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.multiply = function(out, a, b) {
- out[0] = a[0] * b[0];
- out[1] = a[1] * b[1];
- out[2] = a[2] * b[2];
- out[3] = a[3] * b[3];
- return out;
-};
-
-/**
- * Alias for {@link vec4.multiply}
- * @function
- */
-vec4.mul = vec4.multiply;
-
-/**
- * Divides two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.divide = function(out, a, b) {
- out[0] = a[0] / b[0];
- out[1] = a[1] / b[1];
- out[2] = a[2] / b[2];
- out[3] = a[3] / b[3];
- return out;
-};
-
-/**
- * Alias for {@link vec4.divide}
- * @function
- */
-vec4.div = vec4.divide;
-
-/**
- * Returns the minimum of two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.min = function(out, a, b) {
- out[0] = Math.min(a[0], b[0]);
- out[1] = Math.min(a[1], b[1]);
- out[2] = Math.min(a[2], b[2]);
- out[3] = Math.min(a[3], b[3]);
- return out;
-};
-
-/**
- * Returns the maximum of two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {vec4} out
- */
-vec4.max = function(out, a, b) {
- out[0] = Math.max(a[0], b[0]);
- out[1] = Math.max(a[1], b[1]);
- out[2] = Math.max(a[2], b[2]);
- out[3] = Math.max(a[3], b[3]);
- return out;
-};
-
-/**
- * Scales a vec4 by a scalar number
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {vec4} out
- */
-vec4.scale = function(out, a, b) {
- out[0] = a[0] * b;
- out[1] = a[1] * b;
- out[2] = a[2] * b;
- out[3] = a[3] * b;
- return out;
-};
-
-/**
- * Calculates the euclidian distance between two vec4's
- *
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {Number} distance between a and b
- */
-vec4.distance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2],
- w = b[3] - a[3];
- return Math.sqrt(x*x + y*y + z*z + w*w);
-};
-
-/**
- * Alias for {@link vec4.distance}
- * @function
- */
-vec4.dist = vec4.distance;
-
-/**
- * Calculates the squared euclidian distance between two vec4's
- *
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {Number} squared distance between a and b
- */
-vec4.squaredDistance = function(a, b) {
- var x = b[0] - a[0],
- y = b[1] - a[1],
- z = b[2] - a[2],
- w = b[3] - a[3];
- return x*x + y*y + z*z + w*w;
-};
-
-/**
- * Alias for {@link vec4.squaredDistance}
- * @function
- */
-vec4.sqrDist = vec4.squaredDistance;
-
-/**
- * Calculates the length of a vec4
- *
- * @param {vec4} a vector to calculate length of
- * @returns {Number} length of a
- */
-vec4.length = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2],
- w = a[3];
- return Math.sqrt(x*x + y*y + z*z + w*w);
-};
-
-/**
- * Alias for {@link vec4.length}
- * @function
- */
-vec4.len = vec4.length;
-
-/**
- * Calculates the squared length of a vec4
- *
- * @param {vec4} a vector to calculate squared length of
- * @returns {Number} squared length of a
- */
-vec4.squaredLength = function (a) {
- var x = a[0],
- y = a[1],
- z = a[2],
- w = a[3];
- return x*x + y*y + z*z + w*w;
-};
-
-/**
- * Alias for {@link vec4.squaredLength}
- * @function
- */
-vec4.sqrLen = vec4.squaredLength;
-
-/**
- * Negates the components of a vec4
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a vector to negate
- * @returns {vec4} out
- */
-vec4.negate = function(out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- out[2] = -a[2];
- out[3] = -a[3];
- return out;
-};
-
-/**
- * Normalize a vec4
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a vector to normalize
- * @returns {vec4} out
- */
-vec4.normalize = function(out, a) {
- var x = a[0],
- y = a[1],
- z = a[2],
- w = a[3];
- var len = x*x + y*y + z*z + w*w;
- if (len > 0) {
- len = 1 / Math.sqrt(len);
- out[0] = a[0] * len;
- out[1] = a[1] * len;
- out[2] = a[2] * len;
- out[3] = a[3] * len;
- }
- return out;
-};
-
-/**
- * Calculates the dot product of two vec4's
- *
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @returns {Number} dot product of a and b
- */
-vec4.dot = function (a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
-};
-
-/**
- * Performs a linear interpolation between two vec4's
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the first operand
- * @param {vec4} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {vec4} out
- */
-vec4.lerp = function (out, a, b, t) {
- var ax = a[0],
- ay = a[1],
- az = a[2],
- aw = a[3];
- out[0] = ax + t * (b[0] - ax);
- out[1] = ay + t * (b[1] - ay);
- out[2] = az + t * (b[2] - az);
- out[3] = aw + t * (b[3] - aw);
- return out;
-};
-
-/**
- * Transforms the vec4 with a mat4.
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the vector to transform
- * @param {mat4} m matrix to transform with
- * @returns {vec4} out
- */
-vec4.transformMat4 = function(out, a, m) {
- var x = a[0], y = a[1], z = a[2], w = a[3];
- out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w;
- out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w;
- out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w;
- out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w;
- return out;
-};
-
-/**
- * Transforms the vec4 with a quat
- *
- * @param {vec4} out the receiving vector
- * @param {vec4} a the vector to transform
- * @param {quat} q quaternion to transform with
- * @returns {vec4} out
- */
-vec4.transformQuat = function(out, a, q) {
- var x = a[0], y = a[1], z = a[2],
- qx = q[0], qy = q[1], qz = q[2], qw = q[3],
-
- // calculate quat * vec
- ix = qw * x + qy * z - qz * y,
- iy = qw * y + qz * x - qx * z,
- iz = qw * z + qx * y - qy * x,
- iw = -qx * x - qy * y - qz * z;
-
- // calculate result * inverse quat
- out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;
- out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;
- out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;
- return out;
-};
-
-/**
- * Perform some operation over an array of vec4s.
- *
- * @param {Array} a the array of vectors to iterate over
- * @param {Number} stride Number of elements between the start of each vec4. If 0 assumes tightly packed
- * @param {Number} offset Number of elements to skip at the beginning of the array
- * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array
- * @param {Function} fn Function to call for each vector in the array
- * @param {Object} [arg] additional argument to pass to fn
- * @returns {Array} a
- * @function
- */
-vec4.forEach = (function() {
- var vec = vec4.create();
-
- return function(a, stride, offset, count, fn, arg) {
- var i, l;
- if(!stride) {
- stride = 4;
- }
-
- if(!offset) {
- offset = 0;
- }
-
- if(count) {
- l = Math.min((count * stride) + offset, a.length);
- } else {
- l = a.length;
- }
-
- for(i = offset; i < l; i += stride) {
- vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3];
- fn(vec, vec, arg);
- a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3];
- }
-
- return a;
- };
-})();
-
-/**
- * Returns a string representation of a vector
- *
- * @param {vec4} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-vec4.str = function (a) {
- return 'vec4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.vec4 = vec4;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 2x2 Matrix
- * @name mat2
- */
-
-var mat2 = {};
-
-var mat2Identity = new Float32Array([
- 1, 0,
- 0, 1
-]);
-
-/**
- * Creates a new identity mat2
- *
- * @returns {mat2} a new 2x2 matrix
- */
-mat2.create = function() {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Creates a new mat2 initialized with values from an existing matrix
- *
- * @param {mat2} a matrix to clone
- * @returns {mat2} a new 2x2 matrix
- */
-mat2.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Copy the values from one mat2 to another
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- return out;
-};
-
-/**
- * Set a mat2 to the identity matrix
- *
- * @param {mat2} out the receiving matrix
- * @returns {mat2} out
- */
-mat2.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a1 = a[1];
- out[1] = a[2];
- out[2] = a1;
- } else {
- out[0] = a[0];
- out[1] = a[2];
- out[2] = a[1];
- out[3] = a[3];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-mat2.invert = function(out, a) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
-
- // Calculate the determinant
- det = a0 * a3 - a2 * a1;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = a3 * det;
- out[1] = -a1 * det;
- out[2] = -a2 * det;
- out[3] = a0 * det;
-
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat2
-=======
-/*
- * mat3.create
- * Creates a new instance of a mat3 using the default array type
- * Any javascript array containing at least 9 numeric elements can serve as a mat3
- *
- * Params:
- * mat - Optional, mat3 containing values to initialize with
- *
- * Returns:
- * New mat3
- */
-mat3.create = function(mat) {
- var dest;
-
- if(mat) {
- dest = new glMatrixArrayType(9);
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[3];
- dest[4] = mat[4];
- dest[5] = mat[5];
- dest[6] = mat[6];
- dest[7] = mat[7];
- dest[8] = mat[8];
- } else {
- if(glMatrixArrayType === Array)
- dest = new glMatrixArrayType([0,0,0,0,0,0,0,0,0]);
- else
- dest = new glMatrixArrayType(9);
- }
-
- return dest;
-};
-
-/*
- * mat3.set
- * Copies the values of one mat3 to another
- *
- * Params:
- * mat - mat3 containing values to copy
- * dest - mat3 receiving copied values
- *
- * Returns:
- * dest
- */
-mat3.set = function(mat, dest) {
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[3];
- dest[4] = mat[4];
- dest[5] = mat[5];
- dest[6] = mat[6];
- dest[7] = mat[7];
- dest[8] = mat[8];
- return dest;
-};
-
-/*
- * mat3.identity
- * Sets a mat3 to an identity matrix
- *
- * Params:
- * dest - mat3 to set
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the source matrix
- * @returns {mat2} out
- */
-<<<<<<< HEAD
-mat2.adjoint = function(out, a) {
- // Caching this value is nessecary if out == a
- var a0 = a[0];
- out[0] = a[3];
- out[1] = -a[1];
- out[2] = -a[2];
- out[3] = a0;
-
- return out;
-};
-
-/**
- * Calculates the determinant of a mat2
- *
- * @param {mat2} a the source matrix
- * @returns {Number} determinant of a
- */
-mat2.determinant = function (a) {
- return a[0] * a[3] - a[2] * a[1];
-};
-
-/**
- * Multiplies two mat2's
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the first operand
- * @param {mat2} b the second operand
- * @returns {mat2} out
- */
-mat2.multiply = function (out, a, b) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3];
- var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
- out[0] = a0 * b0 + a1 * b2;
- out[1] = a0 * b1 + a1 * b3;
- out[2] = a2 * b0 + a3 * b2;
- out[3] = a2 * b1 + a3 * b3;
- return out;
-};
-
-/**
- * Alias for {@link mat2.multiply}
- * @function
- */
-mat2.mul = mat2.multiply;
-
-/**
- * Rotates a mat2 by the given angle
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat2} out
- */
-mat2.rotate = function (out, a, rad) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
- s = Math.sin(rad),
- c = Math.cos(rad);
- out[0] = a0 * c + a1 * s;
- out[1] = a0 * -s + a1 * c;
- out[2] = a2 * c + a3 * s;
- out[3] = a2 * -s + a3 * c;
- return out;
-};
-
-/**
- * Scales the mat2 by the dimensions in the given vec2
- *
- * @param {mat2} out the receiving matrix
- * @param {mat2} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat2} out
- **/
-mat2.scale = function(out, a, v) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
- v0 = v[0], v1 = v[1];
- out[0] = a0 * v0;
- out[1] = a1 * v1;
- out[2] = a2 * v0;
- out[3] = a3 * v1;
- return out;
-};
-
-/**
- * Returns a string representation of a mat2
- *
- * @param {mat2} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat2.str = function (a) {
- return 'mat2(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat2 = mat2;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 2x3 Matrix
- * @name mat2d
- *
- * @description
- * A mat2d contains six elements defined as:
- *
- * [a, b,
- * c, d,
- * tx,ty]
- *
- * This is a short form for the 3x3 matrix:
- *
- * [a, b, 0
- * c, d, 0
- * tx,ty,1]
- *
- * The last column is ignored so the array is shorter and operations are faster.
- */
-
-var mat2d = {};
-
-var mat2dIdentity = new Float32Array([
- 1, 0,
- 0, 1,
- 0, 0
-]);
-
-/**
- * Creates a new identity mat2d
- *
- * @returns {mat2d} a new 2x3 matrix
- */
-mat2d.create = function() {
- var out = new GLMAT_ARRAY_TYPE(6);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- out[4] = 0;
- out[5] = 0;
- return out;
-};
-
-/**
- * Creates a new mat2d initialized with values from an existing matrix
- *
- * @param {mat2d} a matrix to clone
- * @returns {mat2d} a new 2x3 matrix
- */
-mat2d.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(6);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- return out;
-};
-
-/**
- * Copy the values from one mat2d to another
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the source matrix
- * @returns {mat2d} out
- */
-mat2d.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- return out;
-};
-
-/**
- * Set a mat2d to the identity matrix
- *
- * @param {mat2d} out the receiving matrix
- * @returns {mat2d} out
- */
-mat2d.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- out[4] = 0;
- out[5] = 0;
- return out;
-};
-
-/**
- * Inverts a mat2d
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the source matrix
- * @returns {mat2d} out
- */
-mat2d.invert = function(out, a) {
- var aa = a[0], ab = a[1], ac = a[2], ad = a[3],
- atx = a[4], aty = a[5];
-
- var det = aa * ad - ab * ac;
- if(!det){
- return null;
- }
- det = 1.0 / det;
-
- out[0] = ad * det;
- out[1] = -ab * det;
- out[2] = -ac * det;
- out[3] = aa * det;
- out[4] = (ac * aty - ad * atx) * det;
- out[5] = (ab * atx - aa * aty) * det;
- return out;
-};
-
-/**
- * Calculates the determinant of a mat2d
- *
- * @param {mat2d} a the source matrix
- * @returns {Number} determinant of a
- */
-mat2d.determinant = function (a) {
- return a[0] * a[3] - a[1] * a[2];
-};
-
-/**
- * Multiplies two mat2d's
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the first operand
- * @param {mat2d} b the second operand
- * @returns {mat2d} out
- */
-mat2d.multiply = function (out, a, b) {
- var aa = a[0], ab = a[1], ac = a[2], ad = a[3],
- atx = a[4], aty = a[5],
- ba = b[0], bb = b[1], bc = b[2], bd = b[3],
- btx = b[4], bty = b[5];
-
- out[0] = aa*ba + ab*bc;
- out[1] = aa*bb + ab*bd;
- out[2] = ac*ba + ad*bc;
- out[3] = ac*bb + ad*bd;
- out[4] = ba*atx + bc*aty + btx;
- out[5] = bb*atx + bd*aty + bty;
- return out;
-};
-
-/**
- * Alias for {@link mat2d.multiply}
- * @function
- */
-mat2d.mul = mat2d.multiply;
-
-
-/**
- * Rotates a mat2d by the given angle
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat2d} out
- */
-mat2d.rotate = function (out, a, rad) {
- var aa = a[0],
- ab = a[1],
- ac = a[2],
- ad = a[3],
- atx = a[4],
- aty = a[5],
- st = Math.sin(rad),
- ct = Math.cos(rad);
-
- out[0] = aa*ct + ab*st;
- out[1] = -aa*st + ab*ct;
- out[2] = ac*ct + ad*st;
- out[3] = -ac*st + ct*ad;
- out[4] = ct*atx + st*aty;
- out[5] = ct*aty - st*atx;
- return out;
-};
-
-/**
- * Scales the mat2d by the dimensions in the given vec2
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the matrix to translate
- * @param {mat2d} v the vec2 to scale the matrix by
- * @returns {mat2d} out
- **/
-mat2d.scale = function(out, a, v) {
- var vx = v[0], vy = v[1];
- out[0] = a[0] * vx;
- out[1] = a[1] * vy;
- out[2] = a[2] * vx;
- out[3] = a[3] * vy;
- out[4] = a[4] * vx;
- out[5] = a[5] * vy;
- return out;
-};
-
-/**
- * Translates the mat2d by the dimensions in the given vec2
- *
- * @param {mat2d} out the receiving matrix
- * @param {mat2d} a the matrix to translate
- * @param {mat2d} v the vec2 to translate the matrix by
- * @returns {mat2d} out
- **/
-mat2d.translate = function(out, a, v) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4] + v[0];
- out[5] = a[5] + v[1];
- return out;
-};
-
-/**
- * Returns a string representation of a mat2d
- *
- * @param {mat2d} a matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat2d.str = function (a) {
- return 'mat2d(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
- a[3] + ', ' + a[4] + ', ' + a[5] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat2d = mat2d;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 3x3 Matrix
- * @name mat3
- */
-
-var mat3 = {};
-
-var mat3Identity = new Float32Array([
- 1, 0, 0,
- 0, 1, 0,
- 0, 0, 1
-]);
-
-/**
- * Creates a new identity mat3
- *
- * @returns {mat3} a new 3x3 matrix
- */
-mat3.create = function() {
- var out = new GLMAT_ARRAY_TYPE(9);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 1;
- out[5] = 0;
- out[6] = 0;
- out[7] = 0;
- out[8] = 1;
- return out;
-};
-
-/**
- * Creates a new mat3 initialized with values from an existing matrix
- *
- * @param {mat3} a matrix to clone
- * @returns {mat3} a new 3x3 matrix
- */
-mat3.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(9);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Copy the values from one mat3 to another
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Set a mat3 to the identity matrix
- *
- * @param {mat3} out the receiving matrix
- * @returns {mat3} out
- */
-mat3.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 1;
- out[5] = 0;
- out[6] = 0;
- out[7] = 0;
- out[8] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a01 = a[1], a02 = a[2], a12 = a[5];
- out[1] = a[3];
- out[2] = a[6];
- out[3] = a01;
- out[5] = a[7];
- out[6] = a02;
- out[7] = a12;
- } else {
- out[0] = a[0];
- out[1] = a[3];
- out[2] = a[6];
- out[3] = a[1];
- out[4] = a[4];
- out[5] = a[7];
- out[6] = a[2];
- out[7] = a[5];
- out[8] = a[8];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.invert = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- b01 = a22 * a11 - a12 * a21,
- b11 = -a22 * a10 + a12 * a20,
- b21 = a21 * a10 - a11 * a20,
-
- // Calculate the determinant
- det = a00 * b01 + a01 * b11 + a02 * b21;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = b01 * det;
- out[1] = (-a22 * a01 + a02 * a21) * det;
- out[2] = (a12 * a01 - a02 * a11) * det;
- out[3] = b11 * det;
- out[4] = (a22 * a00 - a02 * a20) * det;
- out[5] = (-a12 * a00 + a02 * a10) * det;
- out[6] = b21 * det;
- out[7] = (-a21 * a00 + a01 * a20) * det;
- out[8] = (a11 * a00 - a01 * a10) * det;
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the source matrix
- * @returns {mat3} out
- */
-mat3.adjoint = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8];
-
- out[0] = (a11 * a22 - a12 * a21);
- out[1] = (a02 * a21 - a01 * a22);
- out[2] = (a01 * a12 - a02 * a11);
- out[3] = (a12 * a20 - a10 * a22);
- out[4] = (a00 * a22 - a02 * a20);
- out[5] = (a02 * a10 - a00 * a12);
- out[6] = (a10 * a21 - a11 * a20);
- out[7] = (a01 * a20 - a00 * a21);
- out[8] = (a00 * a11 - a01 * a10);
- return out;
-};
-
-/**
- * Calculates the determinant of a mat3
- *
- * @param {mat3} a the source matrix
- * @returns {Number} determinant of a
- */
-mat3.determinant = function (a) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8];
-
- return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20);
-};
-
-/**
- * Multiplies two mat3's
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the first operand
- * @param {mat3} b the second operand
- * @returns {mat3} out
- */
-mat3.multiply = function (out, a, b) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- b00 = b[0], b01 = b[1], b02 = b[2],
- b10 = b[3], b11 = b[4], b12 = b[5],
- b20 = b[6], b21 = b[7], b22 = b[8];
-
- out[0] = b00 * a00 + b01 * a10 + b02 * a20;
- out[1] = b00 * a01 + b01 * a11 + b02 * a21;
- out[2] = b00 * a02 + b01 * a12 + b02 * a22;
-
- out[3] = b10 * a00 + b11 * a10 + b12 * a20;
- out[4] = b10 * a01 + b11 * a11 + b12 * a21;
- out[5] = b10 * a02 + b11 * a12 + b12 * a22;
-
- out[6] = b20 * a00 + b21 * a10 + b22 * a20;
- out[7] = b20 * a01 + b21 * a11 + b22 * a21;
- out[8] = b20 * a02 + b21 * a12 + b22 * a22;
- return out;
-};
-
-/**
- * Alias for {@link mat3.multiply}
- * @function
- */
-mat3.mul = mat3.multiply;
-
-/**
- * Translate a mat3 by the given vector
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to translate
- * @param {vec2} v vector to translate by
- * @returns {mat3} out
- */
-mat3.translate = function(out, a, v) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
- x = v[0], y = v[1];
-
- out[0] = a00;
- out[1] = a01;
- out[2] = a02;
-
- out[3] = a10;
- out[4] = a11;
- out[5] = a12;
-
- out[6] = x * a00 + y * a10 + a20;
- out[7] = x * a01 + y * a11 + a21;
- out[8] = x * a02 + y * a12 + a22;
- return out;
-};
-
-/**
- * Rotates a mat3 by the given angle
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat3} out
- */
-mat3.rotate = function (out, a, rad) {
- var a00 = a[0], a01 = a[1], a02 = a[2],
- a10 = a[3], a11 = a[4], a12 = a[5],
- a20 = a[6], a21 = a[7], a22 = a[8],
-
- s = Math.sin(rad),
- c = Math.cos(rad);
-
- out[0] = c * a00 + s * a10;
- out[1] = c * a01 + s * a11;
- out[2] = c * a02 + s * a12;
-
- out[3] = c * a10 - s * a00;
- out[4] = c * a11 - s * a01;
- out[5] = c * a12 - s * a02;
-
- out[6] = a20;
- out[7] = a21;
- out[8] = a22;
- return out;
-};
-
-/**
- * Scales the mat3 by the dimensions in the given vec2
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat3} out
- **/
-mat3.scale = function(out, a, v) {
- var x = v[0], y = v[2];
-
- out[0] = x * a[0];
- out[1] = x * a[1];
- out[2] = x * a[2];
-
- out[3] = y * a[3];
- out[4] = y * a[4];
- out[5] = y * a[5];
-
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- return out;
-};
-
-/**
- * Copies the values from a mat2d into a mat3
- *
- * @param {mat3} out the receiving matrix
- * @param {mat3} a the matrix to rotate
- * @param {vec2} v the vec2 to scale the matrix by
- * @returns {mat3} out
- **/
-mat3.fromMat2d = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = 0;
-
- out[3] = a[2];
- out[4] = a[3];
- out[5] = 0;
-
- out[6] = a[4];
- out[7] = a[5];
- out[8] = 1;
- return out;
-};
-
-/**
-* Calculates a 3x3 matrix from the given quaternion
-*
-* @param {mat3} out mat3 receiving operation result
-* @param {quat} q Quaternion to create matrix from
-*
-* @returns {mat3} out
-*/
-mat3.fromQuat = function (out, q) {
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- xy = x * y2,
- xz = x * z2,
- yy = y * y2,
- yz = y * z2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - (yy + zz);
- out[1] = xy + wz;
- out[2] = xz - wy;
-
- out[3] = xy - wz;
- out[4] = 1 - (xx + zz);
- out[5] = yz + wx;
-
- out[6] = xz + wy;
- out[7] = yz - wx;
- out[8] = 1 - (xx + yy);
-
- return out;
-};
-
-/**
- * Returns a string representation of a mat3
- *
- * @param {mat3} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat3.str = function (a) {
- return 'mat3(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' +
- a[3] + ', ' + a[4] + ', ' + a[5] + ', ' +
- a[6] + ', ' + a[7] + ', ' + a[8] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat3 = mat3;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class 4x4 Matrix
- * @name mat4
- */
-
-var mat4 = {};
-
-var mat4Identity = new Float32Array([
- 1, 0, 0, 0,
- 0, 1, 0, 0,
- 0, 0, 1, 0,
- 0, 0, 0, 1
-]);
-
-/**
- * Creates a new identity mat4
- *
- * @returns {mat4} a new 4x4 matrix
- */
-mat4.create = function() {
- var out = new GLMAT_ARRAY_TYPE(16);
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = 1;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = 1;
- out[11] = 0;
- out[12] = 0;
- out[13] = 0;
- out[14] = 0;
- out[15] = 1;
- return out;
-};
-
-/**
- * Creates a new mat4 initialized with values from an existing matrix
- *
- * @param {mat4} a matrix to clone
- * @returns {mat4} a new 4x4 matrix
- */
-mat4.clone = function(a) {
- var out = new GLMAT_ARRAY_TYPE(16);
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- out[9] = a[9];
- out[10] = a[10];
- out[11] = a[11];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- return out;
-};
-
-/**
- * Copy the values from one mat4 to another
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.copy = function(out, a) {
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[8] = a[8];
- out[9] = a[9];
- out[10] = a[10];
- out[11] = a[11];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- return out;
-};
-
-/**
- * Set a mat4 to the identity matrix
- *
- * @param {mat4} out the receiving matrix
- * @returns {mat4} out
- */
-mat4.identity = function(out) {
- out[0] = 1;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = 1;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = 1;
- out[11] = 0;
- out[12] = 0;
- out[13] = 0;
- out[14] = 0;
- out[15] = 1;
- return out;
-};
-
-/**
- * Transpose the values of a mat4
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.transpose = function(out, a) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if (out === a) {
- var a01 = a[1], a02 = a[2], a03 = a[3],
- a12 = a[6], a13 = a[7],
- a23 = a[11];
-
- out[1] = a[4];
- out[2] = a[8];
- out[3] = a[12];
- out[4] = a01;
- out[6] = a[9];
- out[7] = a[13];
- out[8] = a02;
- out[9] = a12;
- out[11] = a[14];
- out[12] = a03;
- out[13] = a13;
- out[14] = a23;
- } else {
- out[0] = a[0];
- out[1] = a[4];
- out[2] = a[8];
- out[3] = a[12];
- out[4] = a[1];
- out[5] = a[5];
- out[6] = a[9];
- out[7] = a[13];
- out[8] = a[2];
- out[9] = a[6];
- out[10] = a[10];
- out[11] = a[14];
- out[12] = a[3];
- out[13] = a[7];
- out[14] = a[11];
- out[15] = a[15];
- }
-
- return out;
-};
-
-/**
- * Inverts a mat4
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.invert = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
-
- b00 = a00 * a11 - a01 * a10,
- b01 = a00 * a12 - a02 * a10,
- b02 = a00 * a13 - a03 * a10,
- b03 = a01 * a12 - a02 * a11,
- b04 = a01 * a13 - a03 * a11,
- b05 = a02 * a13 - a03 * a12,
- b06 = a20 * a31 - a21 * a30,
- b07 = a20 * a32 - a22 * a30,
- b08 = a20 * a33 - a23 * a30,
- b09 = a21 * a32 - a22 * a31,
- b10 = a21 * a33 - a23 * a31,
- b11 = a22 * a33 - a23 * a32,
-
- // Calculate the determinant
- det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-
- if (!det) {
- return null;
- }
- det = 1.0 / det;
-
- out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;
- out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;
- out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;
- out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;
- out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;
- out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;
- out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;
- out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;
- out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;
- out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;
- out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;
- out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;
- out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;
- out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;
- out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;
- out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;
-
- return out;
-};
-
-/**
- * Calculates the adjugate of a mat4
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the source matrix
- * @returns {mat4} out
- */
-mat4.adjoint = function(out, a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
-
- out[0] = (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22));
- out[1] = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22));
- out[2] = (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12));
- out[3] = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12));
- out[4] = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22));
- out[5] = (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22));
- out[6] = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12));
- out[7] = (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12));
- out[8] = (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21));
- out[9] = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21));
- out[10] = (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11));
- out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11));
- out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21));
- out[13] = (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21));
- out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11));
- out[15] = (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11));
- return out;
-};
-
-/**
- * Calculates the determinant of a mat4
- *
- * @param {mat4} a the source matrix
- * @returns {Number} determinant of a
- */
-mat4.determinant = function (a) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],
-
- b00 = a00 * a11 - a01 * a10,
- b01 = a00 * a12 - a02 * a10,
- b02 = a00 * a13 - a03 * a10,
- b03 = a01 * a12 - a02 * a11,
- b04 = a01 * a13 - a03 * a11,
- b05 = a02 * a13 - a03 * a12,
- b06 = a20 * a31 - a21 * a30,
- b07 = a20 * a32 - a22 * a30,
- b08 = a20 * a33 - a23 * a30,
- b09 = a21 * a32 - a22 * a31,
- b10 = a21 * a33 - a23 * a31,
- b11 = a22 * a33 - a23 * a32;
-
- // Calculate the determinant
- return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;
-};
-
-/**
- * Multiplies two mat4's
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the first operand
- * @param {mat4} b the second operand
- * @returns {mat4} out
- */
-mat4.multiply = function (out, a, b) {
- var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],
- a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],
- a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],
- a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];
-
- // Cache only the current line of the second matrix
- var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
- out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-
- b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7];
- out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-
- b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11];
- out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
-
- b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15];
- out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30;
- out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31;
- out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32;
- out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33;
- return out;
-};
-
-/**
- * Alias for {@link mat4.multiply}
- * @function
- */
-mat4.mul = mat4.multiply;
-
-/**
- * Translate a mat4 by the given vector
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to translate
- * @param {vec3} v vector to translate by
- * @returns {mat4} out
- */
-mat4.translate = function (out, a, v) {
- var x = v[0], y = v[1], z = v[2],
- a00, a01, a02, a03,
- a10, a11, a12, a13,
- a20, a21, a22, a23;
-
- if (a === out) {
- out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];
- out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];
- out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];
- out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];
- } else {
- a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
- a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
- a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
-
- out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;
- out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;
- out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;
-
- out[12] = a00 * x + a10 * y + a20 * z + a[12];
- out[13] = a01 * x + a11 * y + a21 * z + a[13];
- out[14] = a02 * x + a12 * y + a22 * z + a[14];
- out[15] = a03 * x + a13 * y + a23 * z + a[15];
- }
-
- return out;
-};
-
-/**
- * Scales the mat4 by the dimensions in the given vec3
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to scale
- * @param {vec3} v the vec3 to scale the matrix by
- * @returns {mat4} out
- **/
-mat4.scale = function(out, a, v) {
- var x = v[0], y = v[1], z = v[2];
-
- out[0] = a[0] * x;
- out[1] = a[1] * x;
- out[2] = a[2] * x;
- out[3] = a[3] * x;
- out[4] = a[4] * y;
- out[5] = a[5] * y;
- out[6] = a[6] * y;
- out[7] = a[7] * y;
- out[8] = a[8] * z;
- out[9] = a[9] * z;
- out[10] = a[10] * z;
- out[11] = a[11] * z;
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- return out;
-};
-
-/**
- * Rotates a mat4 by the given angle
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @param {vec3} axis the axis to rotate around
- * @returns {mat4} out
- */
-mat4.rotate = function (out, a, rad, axis) {
- var x = axis[0], y = axis[1], z = axis[2],
- len = Math.sqrt(x * x + y * y + z * z),
- s, c, t,
- a00, a01, a02, a03,
- a10, a11, a12, a13,
- a20, a21, a22, a23,
- b00, b01, b02,
- b10, b11, b12,
- b20, b21, b22;
-
- if (Math.abs(len) < GLMAT_EPSILON) { return null; }
-
- len = 1 / len;
- x *= len;
- y *= len;
- z *= len;
-
- s = Math.sin(rad);
- c = Math.cos(rad);
- t = 1 - c;
-
- a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];
- a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];
- a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];
-
- // Construct the elements of the rotation matrix
- b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s;
- b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s;
- b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c;
-
- // Perform rotation-specific matrix multiplication
- out[0] = a00 * b00 + a10 * b01 + a20 * b02;
- out[1] = a01 * b00 + a11 * b01 + a21 * b02;
- out[2] = a02 * b00 + a12 * b01 + a22 * b02;
- out[3] = a03 * b00 + a13 * b01 + a23 * b02;
- out[4] = a00 * b10 + a10 * b11 + a20 * b12;
- out[5] = a01 * b10 + a11 * b11 + a21 * b12;
- out[6] = a02 * b10 + a12 * b11 + a22 * b12;
- out[7] = a03 * b10 + a13 * b11 + a23 * b12;
- out[8] = a00 * b20 + a10 * b21 + a20 * b22;
- out[9] = a01 * b20 + a11 * b21 + a21 * b22;
- out[10] = a02 * b20 + a12 * b21 + a22 * b22;
- out[11] = a03 * b20 + a13 * b21 + a23 * b22;
-
- if (a !== out) { // If the source and destination differ, copy the unchanged last row
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
- return out;
-};
-
-/**
- * Rotates a matrix by the given angle around the X axis
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat4} out
- */
-mat4.rotateX = function (out, a, rad) {
- var s = Math.sin(rad),
- c = Math.cos(rad),
- a10 = a[4],
- a11 = a[5],
- a12 = a[6],
- a13 = a[7],
- a20 = a[8],
- a21 = a[9],
- a22 = a[10],
- a23 = a[11];
-
- if (a !== out) { // If the source and destination differ, copy the unchanged rows
- out[0] = a[0];
- out[1] = a[1];
- out[2] = a[2];
- out[3] = a[3];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
-
- // Perform axis-specific matrix multiplication
- out[4] = a10 * c + a20 * s;
- out[5] = a11 * c + a21 * s;
- out[6] = a12 * c + a22 * s;
- out[7] = a13 * c + a23 * s;
- out[8] = a20 * c - a10 * s;
- out[9] = a21 * c - a11 * s;
- out[10] = a22 * c - a12 * s;
- out[11] = a23 * c - a13 * s;
- return out;
-};
-
-/**
- * Rotates a matrix by the given angle around the Y axis
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat4} out
- */
-mat4.rotateY = function (out, a, rad) {
- var s = Math.sin(rad),
- c = Math.cos(rad),
- a00 = a[0],
- a01 = a[1],
- a02 = a[2],
- a03 = a[3],
- a20 = a[8],
- a21 = a[9],
- a22 = a[10],
- a23 = a[11];
-
- if (a !== out) { // If the source and destination differ, copy the unchanged rows
- out[4] = a[4];
- out[5] = a[5];
- out[6] = a[6];
- out[7] = a[7];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
-
- // Perform axis-specific matrix multiplication
- out[0] = a00 * c - a20 * s;
- out[1] = a01 * c - a21 * s;
- out[2] = a02 * c - a22 * s;
- out[3] = a03 * c - a23 * s;
- out[8] = a00 * s + a20 * c;
- out[9] = a01 * s + a21 * c;
- out[10] = a02 * s + a22 * c;
- out[11] = a03 * s + a23 * c;
- return out;
-};
-
-/**
- * Rotates a matrix by the given angle around the Z axis
- *
- * @param {mat4} out the receiving matrix
- * @param {mat4} a the matrix to rotate
- * @param {Number} rad the angle to rotate the matrix by
- * @returns {mat4} out
- */
-mat4.rotateZ = function (out, a, rad) {
- var s = Math.sin(rad),
- c = Math.cos(rad),
- a00 = a[0],
- a01 = a[1],
- a02 = a[2],
- a03 = a[3],
- a10 = a[4],
- a11 = a[5],
- a12 = a[6],
- a13 = a[7];
-
- if (a !== out) { // If the source and destination differ, copy the unchanged last row
- out[8] = a[8];
- out[9] = a[9];
- out[10] = a[10];
- out[11] = a[11];
- out[12] = a[12];
- out[13] = a[13];
- out[14] = a[14];
- out[15] = a[15];
- }
-
- // Perform axis-specific matrix multiplication
- out[0] = a00 * c + a10 * s;
- out[1] = a01 * c + a11 * s;
- out[2] = a02 * c + a12 * s;
- out[3] = a03 * c + a13 * s;
- out[4] = a10 * c - a00 * s;
- out[5] = a11 * c - a01 * s;
- out[6] = a12 * c - a02 * s;
- out[7] = a13 * c - a03 * s;
- return out;
-};
-
-/**
- * Creates a matrix from a quaternion rotation and vector translation
- * This is equivalent to (but much faster than):
- *
- * mat4.identity(dest);
- * mat4.translate(dest, vec);
- * var quatMat = mat4.create();
- * quat4.toMat4(quat, quatMat);
- * mat4.multiply(dest, quatMat);
- *
- * @param {mat4} out mat4 receiving operation result
- * @param {quat4} q Rotation quaternion
- * @param {vec3} v Translation vector
- * @returns {mat4} out
- */
-mat4.fromRotationTranslation = function (out, q, v) {
- // Quaternion math
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- xy = x * y2,
- xz = x * z2,
- yy = y * y2,
- yz = y * z2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - (yy + zz);
- out[1] = xy + wz;
- out[2] = xz - wy;
- out[3] = 0;
- out[4] = xy - wz;
- out[5] = 1 - (xx + zz);
- out[6] = yz + wx;
- out[7] = 0;
- out[8] = xz + wy;
- out[9] = yz - wx;
- out[10] = 1 - (xx + yy);
- out[11] = 0;
- out[12] = v[0];
- out[13] = v[1];
- out[14] = v[2];
- out[15] = 1;
-
- return out;
-};
-
-/**
-* Calculates a 4x4 matrix from the given quaternion
-*
-* @param {mat4} out mat4 receiving operation result
-* @param {quat} q Quaternion to create matrix from
-*
-* @returns {mat4} out
-*/
-mat4.fromQuat = function (out, q) {
- var x = q[0], y = q[1], z = q[2], w = q[3],
- x2 = x + x,
- y2 = y + y,
- z2 = z + z,
-
- xx = x * x2,
- xy = x * y2,
- xz = x * z2,
- yy = y * y2,
- yz = y * z2,
- zz = z * z2,
- wx = w * x2,
- wy = w * y2,
- wz = w * z2;
-
- out[0] = 1 - (yy + zz);
- out[1] = xy + wz;
- out[2] = xz - wy;
- out[3] = 0;
-
- out[4] = xy - wz;
- out[5] = 1 - (xx + zz);
- out[6] = yz + wx;
- out[7] = 0;
-
- out[8] = xz + wy;
- out[9] = yz - wx;
- out[10] = 1 - (xx + yy);
- out[11] = 0;
-
- out[12] = 0;
- out[13] = 0;
- out[14] = 0;
- out[15] = 1;
-
- return out;
-};
-
-/**
- * Generates a frustum matrix with the given bounds
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {Number} left Left bound of the frustum
- * @param {Number} right Right bound of the frustum
- * @param {Number} bottom Bottom bound of the frustum
- * @param {Number} top Top bound of the frustum
- * @param {Number} near Near bound of the frustum
- * @param {Number} far Far bound of the frustum
- * @returns {mat4} out
- */
-mat4.frustum = function (out, left, right, bottom, top, near, far) {
- var rl = 1 / (right - left),
- tb = 1 / (top - bottom),
- nf = 1 / (near - far);
- out[0] = (near * 2) * rl;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = (near * 2) * tb;
- out[6] = 0;
- out[7] = 0;
- out[8] = (right + left) * rl;
- out[9] = (top + bottom) * tb;
- out[10] = (far + near) * nf;
- out[11] = -1;
- out[12] = 0;
- out[13] = 0;
- out[14] = (far * near * 2) * nf;
- out[15] = 0;
- return out;
-};
-
-/**
- * Generates a perspective projection matrix with the given bounds
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {number} fovy Vertical field of view in radians
- * @param {number} aspect Aspect ratio. typically viewport width/height
- * @param {number} near Near bound of the frustum
- * @param {number} far Far bound of the frustum
- * @returns {mat4} out
- */
-mat4.perspective = function (out, fovy, aspect, near, far) {
- var f = 1.0 / Math.tan(fovy / 2),
- nf = 1 / (near - far);
- out[0] = f / aspect;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = f;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = (far + near) * nf;
- out[11] = -1;
- out[12] = 0;
- out[13] = 0;
- out[14] = (2 * far * near) * nf;
- out[15] = 0;
- return out;
-};
-
-/**
- * Generates a orthogonal projection matrix with the given bounds
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {number} left Left bound of the frustum
- * @param {number} right Right bound of the frustum
- * @param {number} bottom Bottom bound of the frustum
- * @param {number} top Top bound of the frustum
- * @param {number} near Near bound of the frustum
- * @param {number} far Far bound of the frustum
- * @returns {mat4} out
- */
-mat4.ortho = function (out, left, right, bottom, top, near, far) {
- var lr = 1 / (left - right),
- bt = 1 / (bottom - top),
- nf = 1 / (near - far);
- out[0] = -2 * lr;
- out[1] = 0;
- out[2] = 0;
- out[3] = 0;
- out[4] = 0;
- out[5] = -2 * bt;
- out[6] = 0;
- out[7] = 0;
- out[8] = 0;
- out[9] = 0;
- out[10] = 2 * nf;
- out[11] = 0;
- out[12] = (left + right) * lr;
- out[13] = (top + bottom) * bt;
- out[14] = (far + near) * nf;
- out[15] = 1;
- return out;
-};
-
-/**
- * Generates a look-at matrix with the given eye position, focal point, and up axis
- *
- * @param {mat4} out mat4 frustum matrix will be written into
- * @param {vec3} eye Position of the viewer
- * @param {vec3} center Point the viewer is looking at
- * @param {vec3} up vec3 pointing up
- * @returns {mat4} out
- */
-mat4.lookAt = function (out, eye, center, up) {
- var x0, x1, x2, y0, y1, y2, z0, z1, z2, len,
- eyex = eye[0],
- eyey = eye[1],
- eyez = eye[2],
- upx = up[0],
- upy = up[1],
- upz = up[2],
- centerx = center[0],
- centery = center[1],
- centerz = center[2];
-
- if (Math.abs(eyex - centerx) < GLMAT_EPSILON &&
- Math.abs(eyey - centery) < GLMAT_EPSILON &&
- Math.abs(eyez - centerz) < GLMAT_EPSILON) {
- return mat4.identity(out);
- }
-
- z0 = eyex - centerx;
- z1 = eyey - centery;
- z2 = eyez - centerz;
-
- len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2);
- z0 *= len;
- z1 *= len;
- z2 *= len;
-
- x0 = upy * z2 - upz * z1;
- x1 = upz * z0 - upx * z2;
- x2 = upx * z1 - upy * z0;
- len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2);
- if (!len) {
- x0 = 0;
- x1 = 0;
- x2 = 0;
- } else {
- len = 1 / len;
- x0 *= len;
- x1 *= len;
- x2 *= len;
- }
-
- y0 = z1 * x2 - z2 * x1;
- y1 = z2 * x0 - z0 * x2;
- y2 = z0 * x1 - z1 * x0;
-
- len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2);
- if (!len) {
- y0 = 0;
- y1 = 0;
- y2 = 0;
- } else {
- len = 1 / len;
- y0 *= len;
- y1 *= len;
- y2 *= len;
- }
-
- out[0] = x0;
- out[1] = y0;
- out[2] = z0;
- out[3] = 0;
- out[4] = x1;
- out[5] = y1;
- out[6] = z1;
- out[7] = 0;
- out[8] = x2;
- out[9] = y2;
- out[10] = z2;
- out[11] = 0;
- out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez);
- out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez);
- out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez);
- out[15] = 1;
-
- return out;
-};
-
-/**
- * Returns a string representation of a mat4
- *
- * @param {mat4} mat matrix to represent as a string
- * @returns {String} string representation of the matrix
- */
-mat4.str = function (a) {
- return 'mat4(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ', ' +
- a[4] + ', ' + a[5] + ', ' + a[6] + ', ' + a[7] + ', ' +
- a[8] + ', ' + a[9] + ', ' + a[10] + ', ' + a[11] + ', ' +
- a[12] + ', ' + a[13] + ', ' + a[14] + ', ' + a[15] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.mat4 = mat4;
-}
-;
-/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/**
- * @class Quaternion
- * @name quat
- */
-
-var quat = {};
-
-var quatIdentity = new Float32Array([0, 0, 0, 1]);
-
-/**
- * Creates a new identity quat
- *
- * @returns {quat} a new quaternion
- */
-quat.create = function() {
- var out = new GLMAT_ARRAY_TYPE(4);
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Creates a new quat initialized with values from an existing quaternion
- *
- * @param {quat} a quaternion to clone
- * @returns {quat} a new quaternion
- * @function
- */
-quat.clone = vec4.clone;
-
-/**
- * Creates a new quat initialized with the given values
- *
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {quat} a new quaternion
- * @function
- */
-quat.fromValues = vec4.fromValues;
-
-/**
- * Copy the values from one quat to another
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the source quaternion
- * @returns {quat} out
- * @function
- */
-quat.copy = vec4.copy;
-
-/**
- * Set the components of a quat to the given values
- *
- * @param {quat} out the receiving quaternion
- * @param {Number} x X component
- * @param {Number} y Y component
- * @param {Number} z Z component
- * @param {Number} w W component
- * @returns {quat} out
- * @function
- */
-quat.set = vec4.set;
-
-/**
- * Set a quat to the identity quaternion
- *
- * @param {quat} out the receiving quaternion
- * @returns {quat} out
- */
-quat.identity = function(out) {
- out[0] = 0;
- out[1] = 0;
- out[2] = 0;
- out[3] = 1;
- return out;
-};
-
-/**
- * Sets a quat from the given angle and rotation axis,
- * then returns it.
- *
- * @param {quat} out the receiving quaternion
- * @param {vec3} axis the axis around which to rotate
- * @param {Number} rad the angle in radians
- * @returns {quat} out
- **/
-quat.setAxisAngle = function(out, axis, rad) {
- rad = rad * 0.5;
- var s = Math.sin(rad);
- out[0] = s * axis[0];
- out[1] = s * axis[1];
- out[2] = s * axis[2];
- out[3] = Math.cos(rad);
- return out;
-=======
-mat3.identity = function(dest) {
- dest[0] = 1;
- dest[1] = 0;
- dest[2] = 0;
- dest[3] = 0;
- dest[4] = 1;
- dest[5] = 0;
- dest[6] = 0;
- dest[7] = 0;
- dest[8] = 1;
- return dest;
-};
-
-/*
- * mat4.transpose
- * Transposes a mat3 (flips the values over the diagonal)
- *
- * Params:
- * mat - mat3 to transpose
- * dest - Optional, mat3 receiving transposed values. If not specified result is written to mat
- *
- * Returns:
- * dest is specified, mat otherwise
- */
-mat3.transpose = function(mat, dest) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if(!dest || mat == dest) {
- var a01 = mat[1], a02 = mat[2];
- var a12 = mat[5];
-
- mat[1] = mat[3];
- mat[2] = mat[6];
- mat[3] = a01;
- mat[5] = mat[7];
- mat[6] = a02;
- mat[7] = a12;
- return mat;
- }
-
- dest[0] = mat[0];
- dest[1] = mat[3];
- dest[2] = mat[6];
- dest[3] = mat[1];
- dest[4] = mat[4];
- dest[5] = mat[7];
- dest[6] = mat[2];
- dest[7] = mat[5];
- dest[8] = mat[8];
- return dest;
-};
-
-/*
- * mat3.toMat4
- * Copies the elements of a mat3 into the upper 3x3 elements of a mat4
- *
- * Params:
- * mat - mat3 containing values to copy
- * dest - Optional, mat4 receiving copied values
- *
- * Returns:
- * dest if specified, a new mat4 otherwise
- */
-mat3.toMat4 = function(mat, dest) {
- if(!dest) { dest = mat4.create(); }
-
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = 0;
-
- dest[4] = mat[3];
- dest[5] = mat[4];
- dest[6] = mat[5];
- dest[7] = 0;
-
- dest[8] = mat[6];
- dest[9] = mat[7];
- dest[10] = mat[8];
- dest[11] = 0;
-
- dest[12] = 0;
- dest[13] = 0;
- dest[14] = 0;
- dest[15] = 1;
-
- return dest;
-};
-
-/*
- * mat3.str
- * Returns a string representation of a mat3
- *
- * Params:
- * mat - mat3 to represent as a string
- *
- * Returns:
- * string representation of mat
- */
-mat3.str = function(mat) {
- return '[' + mat[0] + ', ' + mat[1] + ', ' + mat[2] +
- ', ' + mat[3] + ', '+ mat[4] + ', ' + mat[5] +
- ', ' + mat[6] + ', ' + mat[7] + ', '+ mat[8] + ']';
-};
-
-/*
- * mat4 - 4x4 Matrix
- */
-var mat4 = {};
-
-/*
- * mat4.create
- * Creates a new instance of a mat4 using the default array type
- * Any javascript array containing at least 16 numeric elements can serve as a mat4
- *
- * Params:
- * mat - Optional, mat4 containing values to initialize with
- *
- * Returns:
- * New mat4
- */
-mat4.create = function(mat) {
- var dest;
-
- if(mat) {
- dest = new glMatrixArrayType(16);
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[3];
- dest[4] = mat[4];
- dest[5] = mat[5];
- dest[6] = mat[6];
- dest[7] = mat[7];
- dest[8] = mat[8];
- dest[9] = mat[9];
- dest[10] = mat[10];
- dest[11] = mat[11];
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- } else {
- if(glMatrixArrayType === Array)
- dest = new glMatrixArrayType([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]);
- else
- dest = new glMatrixArrayType(16);
- }
-
- return dest;
-};
-
-/*
- * mat4.set
- * Copies the values of one mat4 to another
- *
- * Params:
- * mat - mat4 containing values to copy
- * dest - mat4 receiving copied values
- *
- * Returns:
- * dest
- */
-mat4.set = function(mat, dest) {
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[3];
- dest[4] = mat[4];
- dest[5] = mat[5];
- dest[6] = mat[6];
- dest[7] = mat[7];
- dest[8] = mat[8];
- dest[9] = mat[9];
- dest[10] = mat[10];
- dest[11] = mat[11];
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- return dest;
-};
-
-/*
- * mat4.identity
- * Sets a mat4 to an identity matrix
- *
- * Params:
- * dest - mat4 to set
- *
- * Returns:
- * dest
- */
-mat4.identity = function(dest) {
- dest[0] = 1;
- dest[1] = 0;
- dest[2] = 0;
- dest[3] = 0;
- dest[4] = 0;
- dest[5] = 1;
- dest[6] = 0;
- dest[7] = 0;
- dest[8] = 0;
- dest[9] = 0;
- dest[10] = 1;
- dest[11] = 0;
- dest[12] = 0;
- dest[13] = 0;
- dest[14] = 0;
- dest[15] = 1;
- return dest;
-};
-
-/*
- * mat4.transpose
- * Transposes a mat4 (flips the values over the diagonal)
- *
- * Params:
- * mat - mat4 to transpose
- * dest - Optional, mat4 receiving transposed values. If not specified result is written to mat
- *
- * Returns:
- * dest is specified, mat otherwise
- */
-mat4.transpose = function(mat, dest) {
- // If we are transposing ourselves we can skip a few steps but have to cache some values
- if(!dest || mat == dest) {
- var a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a12 = mat[6], a13 = mat[7];
- var a23 = mat[11];
-
- mat[1] = mat[4];
- mat[2] = mat[8];
- mat[3] = mat[12];
- mat[4] = a01;
- mat[6] = mat[9];
- mat[7] = mat[13];
- mat[8] = a02;
- mat[9] = a12;
- mat[11] = mat[14];
- mat[12] = a03;
- mat[13] = a13;
- mat[14] = a23;
- return mat;
- }
-
- dest[0] = mat[0];
- dest[1] = mat[4];
- dest[2] = mat[8];
- dest[3] = mat[12];
- dest[4] = mat[1];
- dest[5] = mat[5];
- dest[6] = mat[9];
- dest[7] = mat[13];
- dest[8] = mat[2];
- dest[9] = mat[6];
- dest[10] = mat[10];
- dest[11] = mat[14];
- dest[12] = mat[3];
- dest[13] = mat[7];
- dest[14] = mat[11];
- dest[15] = mat[15];
- return dest;
-};
-
-/*
- * mat4.determinant
- * Calculates the determinant of a mat4
- *
- * Params:
- * mat - mat4 to calculate determinant of
- *
- * Returns:
- * determinant of mat
- */
-mat4.determinant = function(mat) {
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
- var a30 = mat[12], a31 = mat[13], a32 = mat[14], a33 = mat[15];
-
- return a30*a21*a12*a03 - a20*a31*a12*a03 - a30*a11*a22*a03 + a10*a31*a22*a03 +
- a20*a11*a32*a03 - a10*a21*a32*a03 - a30*a21*a02*a13 + a20*a31*a02*a13 +
- a30*a01*a22*a13 - a00*a31*a22*a13 - a20*a01*a32*a13 + a00*a21*a32*a13 +
- a30*a11*a02*a23 - a10*a31*a02*a23 - a30*a01*a12*a23 + a00*a31*a12*a23 +
- a10*a01*a32*a23 - a00*a11*a32*a23 - a20*a11*a02*a33 + a10*a21*a02*a33 +
- a20*a01*a12*a33 - a00*a21*a12*a33 - a10*a01*a22*a33 + a00*a11*a22*a33;
-};
-
-/*
- * mat4.inverse
- * Calculates the inverse matrix of a mat4
- *
- * Params:
- * mat - mat4 to calculate inverse of
- * dest - Optional, mat4 receiving inverse matrix. If not specified result is written to mat
- *
- * Returns:
- * dest is specified, mat otherwise
- */
-mat4.inverse = function(mat, dest) {
- if(!dest) { dest = mat; }
-
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
- var a30 = mat[12], a31 = mat[13], a32 = mat[14], a33 = mat[15];
-
- var b00 = a00*a11 - a01*a10;
- var b01 = a00*a12 - a02*a10;
- var b02 = a00*a13 - a03*a10;
- var b03 = a01*a12 - a02*a11;
- var b04 = a01*a13 - a03*a11;
- var b05 = a02*a13 - a03*a12;
- var b06 = a20*a31 - a21*a30;
- var b07 = a20*a32 - a22*a30;
- var b08 = a20*a33 - a23*a30;
- var b09 = a21*a32 - a22*a31;
- var b10 = a21*a33 - a23*a31;
- var b11 = a22*a33 - a23*a32;
-
- // Calculate the determinant (inlined to avoid double-caching)
- var invDet = 1/(b00*b11 - b01*b10 + b02*b09 + b03*b08 - b04*b07 + b05*b06);
-
- dest[0] = (a11*b11 - a12*b10 + a13*b09)*invDet;
- dest[1] = (-a01*b11 + a02*b10 - a03*b09)*invDet;
- dest[2] = (a31*b05 - a32*b04 + a33*b03)*invDet;
- dest[3] = (-a21*b05 + a22*b04 - a23*b03)*invDet;
- dest[4] = (-a10*b11 + a12*b08 - a13*b07)*invDet;
- dest[5] = (a00*b11 - a02*b08 + a03*b07)*invDet;
- dest[6] = (-a30*b05 + a32*b02 - a33*b01)*invDet;
- dest[7] = (a20*b05 - a22*b02 + a23*b01)*invDet;
- dest[8] = (a10*b10 - a11*b08 + a13*b06)*invDet;
- dest[9] = (-a00*b10 + a01*b08 - a03*b06)*invDet;
- dest[10] = (a30*b04 - a31*b02 + a33*b00)*invDet;
- dest[11] = (-a20*b04 + a21*b02 - a23*b00)*invDet;
- dest[12] = (-a10*b09 + a11*b07 - a12*b06)*invDet;
- dest[13] = (a00*b09 - a01*b07 + a02*b06)*invDet;
- dest[14] = (-a30*b03 + a31*b01 - a32*b00)*invDet;
- dest[15] = (a20*b03 - a21*b01 + a22*b00)*invDet;
-
- return dest;
-};
-
-/*
- * mat4.toRotationMat
- * Copies the upper 3x3 elements of a mat4 into another mat4
- *
- * Params:
- * mat - mat4 containing values to copy
- * dest - Optional, mat4 receiving copied values
- *
- * Returns:
- * dest is specified, a new mat4 otherwise
- */
-mat4.toRotationMat = function(mat, dest) {
- if(!dest) { dest = mat4.create(); }
-
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[3];
- dest[4] = mat[4];
- dest[5] = mat[5];
- dest[6] = mat[6];
- dest[7] = mat[7];
- dest[8] = mat[8];
- dest[9] = mat[9];
- dest[10] = mat[10];
- dest[11] = mat[11];
- dest[12] = 0;
- dest[13] = 0;
- dest[14] = 0;
- dest[15] = 1;
-
- return dest;
-};
-
-/*
- * mat4.toMat3
- * Copies the upper 3x3 elements of a mat4 into a mat3
- *
- * Params:
- * mat - mat4 containing values to copy
- * dest - Optional, mat3 receiving copied values
- *
- * Returns:
- * dest is specified, a new mat3 otherwise
- */
-mat4.toMat3 = function(mat, dest) {
- if(!dest) { dest = mat3.create(); }
-
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[4];
- dest[4] = mat[5];
- dest[5] = mat[6];
- dest[6] = mat[8];
- dest[7] = mat[9];
- dest[8] = mat[10];
-
- return dest;
-};
-
-/*
- * mat4.toInverseMat3
- * Calculates the inverse of the upper 3x3 elements of a mat4 and copies the result into a mat3
- * The resulting matrix is useful for calculating transformed normals
- *
- * Params:
- * mat - mat4 containing values to invert and copy
- * dest - Optional, mat3 receiving values
- *
- * Returns:
- * dest is specified, a new mat3 otherwise
- */
-mat4.toInverseMat3 = function(mat, dest) {
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10];
-
- var b01 = a22*a11-a12*a21;
- var b11 = -a22*a10+a12*a20;
- var b21 = a21*a10-a11*a20;
-
- var d = a00*b01 + a01*b11 + a02*b21;
- if (!d) { return null; }
- var id = 1/d;
-
- if(!dest) { dest = mat3.create(); }
-
- dest[0] = b01*id;
- dest[1] = (-a22*a01 + a02*a21)*id;
- dest[2] = (a12*a01 - a02*a11)*id;
- dest[3] = b11*id;
- dest[4] = (a22*a00 - a02*a20)*id;
- dest[5] = (-a12*a00 + a02*a10)*id;
- dest[6] = b21*id;
- dest[7] = (-a21*a00 + a01*a20)*id;
- dest[8] = (a11*a00 - a01*a10)*id;
-
- return dest;
-};
-
-/*
- * mat4.multiply
- * Performs a matrix multiplication
- *
- * Params:
- * mat - mat4, first operand
- * mat2 - mat4, second operand
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.multiply = function(mat, mat2, dest) {
- if(!dest) { dest = mat; }
-
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
- var a30 = mat[12], a31 = mat[13], a32 = mat[14], a33 = mat[15];
-
- var b00 = mat2[0], b01 = mat2[1], b02 = mat2[2], b03 = mat2[3];
- var b10 = mat2[4], b11 = mat2[5], b12 = mat2[6], b13 = mat2[7];
- var b20 = mat2[8], b21 = mat2[9], b22 = mat2[10], b23 = mat2[11];
- var b30 = mat2[12], b31 = mat2[13], b32 = mat2[14], b33 = mat2[15];
-
- dest[0] = b00*a00 + b01*a10 + b02*a20 + b03*a30;
- dest[1] = b00*a01 + b01*a11 + b02*a21 + b03*a31;
- dest[2] = b00*a02 + b01*a12 + b02*a22 + b03*a32;
- dest[3] = b00*a03 + b01*a13 + b02*a23 + b03*a33;
- dest[4] = b10*a00 + b11*a10 + b12*a20 + b13*a30;
- dest[5] = b10*a01 + b11*a11 + b12*a21 + b13*a31;
- dest[6] = b10*a02 + b11*a12 + b12*a22 + b13*a32;
- dest[7] = b10*a03 + b11*a13 + b12*a23 + b13*a33;
- dest[8] = b20*a00 + b21*a10 + b22*a20 + b23*a30;
- dest[9] = b20*a01 + b21*a11 + b22*a21 + b23*a31;
- dest[10] = b20*a02 + b21*a12 + b22*a22 + b23*a32;
- dest[11] = b20*a03 + b21*a13 + b22*a23 + b23*a33;
- dest[12] = b30*a00 + b31*a10 + b32*a20 + b33*a30;
- dest[13] = b30*a01 + b31*a11 + b32*a21 + b33*a31;
- dest[14] = b30*a02 + b31*a12 + b32*a22 + b33*a32;
- dest[15] = b30*a03 + b31*a13 + b32*a23 + b33*a33;
-
- return dest;
-};
-
-/*
- * mat4.multiplyVec3
- * Transforms a vec3 with the given matrix
- * 4th vector component is implicitly '1'
- *
- * Params:
- * mat - mat4 to transform the vector with
- * vec - vec3 to transform
- * dest - Optional, vec3 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-mat4.multiplyVec3 = function(mat, vec, dest) {
- if(!dest) { dest = vec; }
-
- var x = vec[0], y = vec[1], z = vec[2];
-
- dest[0] = mat[0]*x + mat[4]*y + mat[8]*z + mat[12];
- dest[1] = mat[1]*x + mat[5]*y + mat[9]*z + mat[13];
- dest[2] = mat[2]*x + mat[6]*y + mat[10]*z + mat[14];
-
- return dest;
-};
-
-/*
- * mat4.multiplyVec4
- * Transforms a vec4 with the given matrix
- *
- * Params:
- * mat - mat4 to transform the vector with
- * vec - vec4 to transform
- * dest - Optional, vec4 receiving operation result. If not specified result is written to vec
- *
- * Returns:
- * dest if specified, vec otherwise
- */
-mat4.multiplyVec4 = function(mat, vec, dest) {
- if(!dest) { dest = vec; }
-
- var x = vec[0], y = vec[1], z = vec[2], w = vec[3];
-
- dest[0] = mat[0]*x + mat[4]*y + mat[8]*z + mat[12]*w;
- dest[1] = mat[1]*x + mat[5]*y + mat[9]*z + mat[13]*w;
- dest[2] = mat[2]*x + mat[6]*y + mat[10]*z + mat[14]*w;
- dest[3] = mat[3]*x + mat[7]*y + mat[11]*z + mat[15]*w;
-
- return dest;
-};
-
-/*
- * mat4.translate
- * Translates a matrix by the given vector
- *
- * Params:
- * mat - mat4 to translate
- * vec - vec3 specifying the translation
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.translate = function(mat, vec, dest) {
- var x = vec[0], y = vec[1], z = vec[2];
-
- if(!dest || mat == dest) {
- mat[12] = mat[0]*x + mat[4]*y + mat[8]*z + mat[12];
- mat[13] = mat[1]*x + mat[5]*y + mat[9]*z + mat[13];
- mat[14] = mat[2]*x + mat[6]*y + mat[10]*z + mat[14];
- mat[15] = mat[3]*x + mat[7]*y + mat[11]*z + mat[15];
- return mat;
- }
-
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
-
- dest[0] = a00;
- dest[1] = a01;
- dest[2] = a02;
- dest[3] = a03;
- dest[4] = a10;
- dest[5] = a11;
- dest[6] = a12;
- dest[7] = a13;
- dest[8] = a20;
- dest[9] = a21;
- dest[10] = a22;
- dest[11] = a23;
-
- dest[12] = a00*x + a10*y + a20*z + mat[12];
- dest[13] = a01*x + a11*y + a21*z + mat[13];
- dest[14] = a02*x + a12*y + a22*z + mat[14];
- dest[15] = a03*x + a13*y + a23*z + mat[15];
- return dest;
-};
-
-/*
- * mat4.scale
- * Scales a matrix by the given vector
- *
- * Params:
- * mat - mat4 to scale
- * vec - vec3 specifying the scale for each axis
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.scale = function(mat, vec, dest) {
- var x = vec[0], y = vec[1], z = vec[2];
-
- if(!dest || mat == dest) {
- mat[0] *= x;
- mat[1] *= x;
- mat[2] *= x;
- mat[3] *= x;
- mat[4] *= y;
- mat[5] *= y;
- mat[6] *= y;
- mat[7] *= y;
- mat[8] *= z;
- mat[9] *= z;
- mat[10] *= z;
- mat[11] *= z;
- return mat;
- }
-
- dest[0] = mat[0]*x;
- dest[1] = mat[1]*x;
- dest[2] = mat[2]*x;
- dest[3] = mat[3]*x;
- dest[4] = mat[4]*y;
- dest[5] = mat[5]*y;
- dest[6] = mat[6]*y;
- dest[7] = mat[7]*y;
- dest[8] = mat[8]*z;
- dest[9] = mat[9]*z;
- dest[10] = mat[10]*z;
- dest[11] = mat[11]*z;
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- return dest;
-};
-
-/*
- * mat4.rotate
- * Rotates a matrix by the given angle around the specified axis
- * If rotating around a primary axis (X,Y,Z) one of the specialized rotation functions should be used instead for performance
- *
- * Params:
- * mat - mat4 to rotate
- * angle - angle (in radians) to rotate
- * axis - vec3 representing the axis to rotate around
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.rotate = function(mat, angle, axis, dest) {
- var x = axis[0], y = axis[1], z = axis[2];
- var len = Math.sqrt(x*x + y*y + z*z);
- if (!len) { return null; }
- if (len != 1) {
- len = 1 / len;
- x *= len;
- y *= len;
- z *= len;
- }
-
- var s = Math.sin(angle);
- var c = Math.cos(angle);
- var t = 1-c;
-
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
-
- // Construct the elements of the rotation matrix
- var b00 = x*x*t + c, b01 = y*x*t + z*s, b02 = z*x*t - y*s;
- var b10 = x*y*t - z*s, b11 = y*y*t + c, b12 = z*y*t + x*s;
- var b20 = x*z*t + y*s, b21 = y*z*t - x*s, b22 = z*z*t + c;
-
- if(!dest) {
- dest = mat;
- } else if(mat != dest) { // If the source and destination differ, copy the unchanged last row
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- }
-
- // Perform rotation-specific matrix multiplication
- dest[0] = a00*b00 + a10*b01 + a20*b02;
- dest[1] = a01*b00 + a11*b01 + a21*b02;
- dest[2] = a02*b00 + a12*b01 + a22*b02;
- dest[3] = a03*b00 + a13*b01 + a23*b02;
-
- dest[4] = a00*b10 + a10*b11 + a20*b12;
- dest[5] = a01*b10 + a11*b11 + a21*b12;
- dest[6] = a02*b10 + a12*b11 + a22*b12;
- dest[7] = a03*b10 + a13*b11 + a23*b12;
-
- dest[8] = a00*b20 + a10*b21 + a20*b22;
- dest[9] = a01*b20 + a11*b21 + a21*b22;
- dest[10] = a02*b20 + a12*b21 + a22*b22;
- dest[11] = a03*b20 + a13*b21 + a23*b22;
- return dest;
-};
-
-/*
- * mat4.rotateX
- * Rotates a matrix by the given angle around the X axis
- *
- * Params:
- * mat - mat4 to rotate
- * angle - angle (in radians) to rotate
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.rotateX = function(mat, angle, dest) {
- var s = Math.sin(angle);
- var c = Math.cos(angle);
-
- // Cache the matrix values (makes for huge speed increases!)
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
-
- if(!dest) {
- dest = mat;
- } else if(mat != dest) { // If the source and destination differ, copy the unchanged rows
- dest[0] = mat[0];
- dest[1] = mat[1];
- dest[2] = mat[2];
- dest[3] = mat[3];
-
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- }
-
- // Perform axis-specific matrix multiplication
- dest[4] = a10*c + a20*s;
- dest[5] = a11*c + a21*s;
- dest[6] = a12*c + a22*s;
- dest[7] = a13*c + a23*s;
-
- dest[8] = a10*-s + a20*c;
- dest[9] = a11*-s + a21*c;
- dest[10] = a12*-s + a22*c;
- dest[11] = a13*-s + a23*c;
- return dest;
-};
-
-/*
- * mat4.rotateY
- * Rotates a matrix by the given angle around the Y axis
- *
- * Params:
- * mat - mat4 to rotate
- * angle - angle (in radians) to rotate
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.rotateY = function(mat, angle, dest) {
- var s = Math.sin(angle);
- var c = Math.cos(angle);
-
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11];
-
- if(!dest) {
- dest = mat;
- } else if(mat != dest) { // If the source and destination differ, copy the unchanged rows
- dest[4] = mat[4];
- dest[5] = mat[5];
- dest[6] = mat[6];
- dest[7] = mat[7];
-
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- }
-
- // Perform axis-specific matrix multiplication
- dest[0] = a00*c + a20*-s;
- dest[1] = a01*c + a21*-s;
- dest[2] = a02*c + a22*-s;
- dest[3] = a03*c + a23*-s;
-
- dest[8] = a00*s + a20*c;
- dest[9] = a01*s + a21*c;
- dest[10] = a02*s + a22*c;
- dest[11] = a03*s + a23*c;
- return dest;
-};
-
-/*
- * mat4.rotateZ
- * Rotates a matrix by the given angle around the Z axis
- *
- * Params:
- * mat - mat4 to rotate
- * angle - angle (in radians) to rotate
- * dest - Optional, mat4 receiving operation result. If not specified result is written to mat
- *
- * Returns:
- * dest if specified, mat otherwise
- */
-mat4.rotateZ = function(mat, angle, dest) {
- var s = Math.sin(angle);
- var c = Math.cos(angle);
-
- // Cache the matrix values (makes for huge speed increases!)
- var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3];
- var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7];
-
- if(!dest) {
- dest = mat;
- } else if(mat != dest) { // If the source and destination differ, copy the unchanged last row
- dest[8] = mat[8];
- dest[9] = mat[9];
- dest[10] = mat[10];
- dest[11] = mat[11];
-
- dest[12] = mat[12];
- dest[13] = mat[13];
- dest[14] = mat[14];
- dest[15] = mat[15];
- }
-
- // Perform axis-specific matrix multiplication
- dest[0] = a00*c + a10*s;
- dest[1] = a01*c + a11*s;
- dest[2] = a02*c + a12*s;
- dest[3] = a03*c + a13*s;
-
- dest[4] = a00*-s + a10*c;
- dest[5] = a01*-s + a11*c;
- dest[6] = a02*-s + a12*c;
- dest[7] = a03*-s + a13*c;
-
- return dest;
-};
-
-/*
- * mat4.frustum
- * Generates a frustum matrix with the given bounds
- *
- * Params:
- * left, right - scalar, left and right bounds of the frustum
- * bottom, top - scalar, bottom and top bounds of the frustum
- * near, far - scalar, near and far bounds of the frustum
- * dest - Optional, mat4 frustum matrix will be written into
- *
- * Returns:
- * dest if specified, a new mat4 otherwise
- */
-mat4.frustum = function(left, right, bottom, top, near, far, dest) {
- if(!dest) { dest = mat4.create(); }
- var rl = (right - left);
- var tb = (top - bottom);
- var fn = (far - near);
- dest[0] = (near*2) / rl;
- dest[1] = 0;
- dest[2] = 0;
- dest[3] = 0;
- dest[4] = 0;
- dest[5] = (near*2) / tb;
- dest[6] = 0;
- dest[7] = 0;
- dest[8] = (right + left) / rl;
- dest[9] = (top + bottom) / tb;
- dest[10] = -(far + near) / fn;
- dest[11] = -1;
- dest[12] = 0;
- dest[13] = 0;
- dest[14] = -(far*near*2) / fn;
- dest[15] = 0;
- return dest;
-};
-
-/*
- * mat4.perspective
- * Generates a perspective projection matrix with the given bounds
- *
- * Params:
- * fovy - scalar, vertical field of view
- * aspect - scalar, aspect ratio. typically viewport width/height
- * near, far - scalar, near and far bounds of the frustum
- * dest - Optional, mat4 frustum matrix will be written into
- *
- * Returns:
- * dest if specified, a new mat4 otherwise
- */
-mat4.perspective = function(fovy, aspect, near, far, dest) {
- var top = near*Math.tan(fovy*Math.PI / 360.0);
- var right = top*aspect;
- return mat4.frustum(-right, right, -top, top, near, far, dest);
-};
-
-/*
- * mat4.ortho
- * Generates a orthogonal projection matrix with the given bounds
- *
- * Params:
- * left, right - scalar, left and right bounds of the frustum
- * bottom, top - scalar, bottom and top bounds of the frustum
- * near, far - scalar, near and far bounds of the frustum
- * dest - Optional, mat4 frustum matrix will be written into
- *
- * Returns:
- * dest if specified, a new mat4 otherwise
- */
-mat4.ortho = function(left, right, bottom, top, near, far, dest) {
- if(!dest) { dest = mat4.create(); }
- var rl = (right - left);
- var tb = (top - bottom);
- var fn = (far - near);
- dest[0] = 2 / rl;
- dest[1] = 0;
- dest[2] = 0;
- dest[3] = 0;
- dest[4] = 0;
- dest[5] = 2 / tb;
- dest[6] = 0;
- dest[7] = 0;
- dest[8] = 0;
- dest[9] = 0;
- dest[10] = -2 / fn;
- dest[11] = 0;
- dest[12] = -(left + right) / rl;
- dest[13] = -(top + bottom) / tb;
- dest[14] = -(far + near) / fn;
- dest[15] = 1;
- return dest;
-};
-
-/*
- * mat4.ortho
- * Generates a look-at matrix with the given eye position, focal point, and up axis
- *
- * Params:
- * eye - vec3, position of the viewer
- * center - vec3, point the viewer is looking at
- * up - vec3 pointing "up"
- * dest - Optional, mat4 frustum matrix will be written into
- *
- * Returns:
- * dest if specified, a new mat4 otherwise
- */
-mat4.lookAt = function(eye, center, up, dest) {
- if(!dest) { dest = mat4.create(); }
-
- var eyex = eye[0],
- eyey = eye[1],
- eyez = eye[2],
- upx = up[0],
- upy = up[1],
- upz = up[2],
- centerx = center[0],
- centery = center[1],
- centerz = center[2];
-
- if (eyex == centerx && eyey == centery && eyez == centerz) {
- return mat4.identity(dest);
- }
-
- var z0,z1,z2,x0,x1,x2,y0,y1,y2,len;
-
- //vec3.direction(eye, center, z);
- z0 = eyex - center[0];
- z1 = eyey - center[1];
- z2 = eyez - center[2];
-
- // normalize (no check needed for 0 because of early return)
- len = 1/Math.sqrt(z0*z0 + z1*z1 + z2*z2);
- z0 *= len;
- z1 *= len;
- z2 *= len;
-
- //vec3.normalize(vec3.cross(up, z, x));
- x0 = upy*z2 - upz*z1;
- x1 = upz*z0 - upx*z2;
- x2 = upx*z1 - upy*z0;
- len = Math.sqrt(x0*x0 + x1*x1 + x2*x2);
- if (!len) {
- x0 = 0;
- x1 = 0;
- x2 = 0;
- } else {
- len = 1/len;
- x0 *= len;
- x1 *= len;
- x2 *= len;
- };
-
- //vec3.normalize(vec3.cross(z, x, y));
- y0 = z1*x2 - z2*x1;
- y1 = z2*x0 - z0*x2;
- y2 = z0*x1 - z1*x0;
-
- len = Math.sqrt(y0*y0 + y1*y1 + y2*y2);
- if (!len) {
- y0 = 0;
- y1 = 0;
- y2 = 0;
- } else {
- len = 1/len;
- y0 *= len;
- y1 *= len;
- y2 *= len;
- }
-
- dest[0] = x0;
- dest[1] = y0;
- dest[2] = z0;
- dest[3] = 0;
- dest[4] = x1;
- dest[5] = y1;
- dest[6] = z1;
- dest[7] = 0;
- dest[8] = x2;
- dest[9] = y2;
- dest[10] = z2;
- dest[11] = 0;
- dest[12] = -(x0*eyex + x1*eyey + x2*eyez);
- dest[13] = -(y0*eyex + y1*eyey + y2*eyez);
- dest[14] = -(z0*eyex + z1*eyey + z2*eyez);
- dest[15] = 1;
-
- return dest;
-};
-
-/*
- * mat4.str
- * Returns a string representation of a mat4
- *
- * Params:
- * mat - mat4 to represent as a string
- *
- * Returns:
- * string representation of mat
- */
-mat4.str = function(mat) {
- return '[' + mat[0] + ', ' + mat[1] + ', ' + mat[2] + ', ' + mat[3] +
- ',\n '+ mat[4] + ', ' + mat[5] + ', ' + mat[6] + ', ' + mat[7] +
- ',\n '+ mat[8] + ', ' + mat[9] + ', ' + mat[10] + ', ' + mat[11] +
- ',\n '+ mat[12] + ', ' + mat[13] + ', ' + mat[14] + ', ' + mat[15] + ']';
-};
-
-/*
- * quat4 - Quaternions
- */
-quat4 = {};
-
-/*
- * quat4.create
- * Creates a new instance of a quat4 using the default array type
- * Any javascript array containing at least 4 numeric elements can serve as a quat4
- *
- * Params:
- * quat - Optional, quat4 containing values to initialize with
- *
- * Returns:
- * New quat4
- */
-quat4.create = function(quat) {
- var dest;
-
- if(quat) {
- dest = new glMatrixArrayType(4);
- dest[0] = quat[0];
- dest[1] = quat[1];
- dest[2] = quat[2];
- dest[3] = quat[3];
- } else {
- if(glMatrixArrayType === Array)
- dest = new glMatrixArrayType([0,0,0,0]);
- else
- dest = new glMatrixArrayType(4);
- }
-
- return dest;
-};
-
-/*
- * quat4.set
- * Copies the values of one quat4 to another
- *
- * Params:
- * quat - quat4 containing values to copy
- * dest - quat4 receiving copied values
- *
- * Returns:
- * dest
- */
-quat4.set = function(quat, dest) {
- dest[0] = quat[0];
- dest[1] = quat[1];
- dest[2] = quat[2];
- dest[3] = quat[3];
-
- return dest;
-};
-
-/*
- * quat4.calculateW
- * Calculates the W component of a quat4 from the X, Y, and Z components.
- * Assumes that quaternion is 1 unit in length.
- * Any existing W component will be ignored.
- *
- * Params:
- * quat - quat4 to calculate W component of
- * dest - Optional, quat4 receiving calculated values. If not specified result is written to quat
- *
- * Returns:
- * dest if specified, quat otherwise
- */
-quat4.calculateW = function(quat, dest) {
- var x = quat[0], y = quat[1], z = quat[2];
-
- if(!dest || quat == dest) {
- quat[3] = -Math.sqrt(Math.abs(1.0 - x*x - y*y - z*z));
- return quat;
- }
- dest[0] = x;
- dest[1] = y;
- dest[2] = z;
- dest[3] = -Math.sqrt(Math.abs(1.0 - x*x - y*y - z*z));
- return dest;
-};
-
-/*
- * quat4.inverse
- * Calculates the inverse of a quat4
- *
- * Params:
- * quat - quat4 to calculate inverse of
- * dest - Optional, quat4 receiving inverse values. If not specified result is written to quat
- *
- * Returns:
- * dest if specified, quat otherwise
- */
-quat4.inverse = function(quat, dest) {
- if(!dest || quat == dest) {
- quat[0] *= -1;
- quat[1] *= -1;
- quat[2] *= -1;
- return quat;
- }
- dest[0] = -quat[0];
- dest[1] = -quat[1];
- dest[2] = -quat[2];
- dest[3] = quat[3];
- return dest;
-};
-
-/*
- * quat4.length
- * Calculates the length of a quat4
- *
- * Params:
- * quat - quat4 to calculate length of
- *
- * Returns:
- * Length of quat
- */
-quat4.length = function(quat) {
- var x = quat[0], y = quat[1], z = quat[2], w = quat[3];
- return Math.sqrt(x*x + y*y + z*z + w*w);
-};
-
-/*
- * quat4.normalize
- * Generates a unit quaternion of the same direction as the provided quat4
- * If quaternion length is 0, returns [0, 0, 0, 0]
- *
- * Params:
- * quat - quat4 to normalize
- * dest - Optional, quat4 receiving operation result. If not specified result is written to quat
- *
- * Returns:
- * dest if specified, quat otherwise
- */
-quat4.normalize = function(quat, dest) {
- if(!dest) { dest = quat; }
-
- var x = quat[0], y = quat[1], z = quat[2], w = quat[3];
- var len = Math.sqrt(x*x + y*y + z*z + w*w);
- if(len == 0) {
- dest[0] = 0;
- dest[1] = 0;
- dest[2] = 0;
- dest[3] = 0;
- return dest;
- }
- len = 1/len;
- dest[0] = x * len;
- dest[1] = y * len;
- dest[2] = z * len;
- dest[3] = w * len;
-
- return dest;
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
-};
-
-/**
- * Adds two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {quat} out
- * @function
- */
-quat.add = vec4.add;
-
-/**
- * Multiplies two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {quat} out
- */
-quat.multiply = function(out, a, b) {
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bx = b[0], by = b[1], bz = b[2], bw = b[3];
-
- out[0] = ax * bw + aw * bx + ay * bz - az * by;
- out[1] = ay * bw + aw * by + az * bx - ax * bz;
- out[2] = az * bw + aw * bz + ax * by - ay * bx;
- out[3] = aw * bw - ax * bx - ay * by - az * bz;
- return out;
-};
-
-/**
- * Alias for {@link quat.multiply}
- * @function
- */
-quat.mul = quat.multiply;
-
-/**
- * Scales a quat by a scalar number
- *
- * @param {quat} out the receiving vector
- * @param {quat} a the vector to scale
- * @param {Number} b amount to scale the vector by
- * @returns {quat} out
- * @function
- */
-quat.scale = vec4.scale;
-
-/**
- * Rotates a quaternion by the given angle around the X axis
- *
- * @param {quat} out quat receiving operation result
- * @param {quat} a quat to rotate
- * @param {number} rad angle (in radians) to rotate
- * @returns {quat} out
- */
-quat.rotateX = function (out, a, rad) {
- rad *= 0.5;
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bx = Math.sin(rad), bw = Math.cos(rad);
-
- out[0] = ax * bw + aw * bx;
- out[1] = ay * bw + az * bx;
- out[2] = az * bw - ay * bx;
- out[3] = aw * bw - ax * bx;
- return out;
-};
-
-/**
- * Rotates a quaternion by the given angle around the Y axis
- *
- * @param {quat} out quat receiving operation result
- * @param {quat} a quat to rotate
- * @param {number} rad angle (in radians) to rotate
- * @returns {quat} out
- */
-quat.rotateY = function (out, a, rad) {
- rad *= 0.5;
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- by = Math.sin(rad), bw = Math.cos(rad);
-
- out[0] = ax * bw - az * by;
- out[1] = ay * bw + aw * by;
- out[2] = az * bw + ax * by;
- out[3] = aw * bw - ay * by;
- return out;
-};
-
-/**
- * Rotates a quaternion by the given angle around the Z axis
- *
- * @param {quat} out quat receiving operation result
- * @param {quat} a quat to rotate
- * @param {number} rad angle (in radians) to rotate
- * @returns {quat} out
- */
-quat.rotateZ = function (out, a, rad) {
- rad *= 0.5;
-
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bz = Math.sin(rad), bw = Math.cos(rad);
-
- out[0] = ax * bw + ay * bz;
- out[1] = ay * bw - ax * bz;
- out[2] = az * bw + aw * bz;
- out[3] = aw * bw - az * bz;
- return out;
-};
-
-/**
- * Calculates the W component of a quat from the X, Y, and Z components.
- * Assumes that quaternion is 1 unit in length.
- * Any existing W component will be ignored.
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quat to calculate W component of
- * @returns {quat} out
- */
-quat.calculateW = function (out, a) {
- var x = a[0], y = a[1], z = a[2];
-
- out[0] = x;
- out[1] = y;
- out[2] = z;
- out[3] = -Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z));
- return out;
-};
-
-/**
- * Calculates the dot product of two quat's
- *
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @returns {Number} dot product of a and b
- * @function
- */
-quat.dot = vec4.dot;
-
-/**
- * Performs a linear interpolation between two quat's
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {quat} out
- * @function
- */
-quat.lerp = vec4.lerp;
-
-/**
- * Performs a spherical linear interpolation between two quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a the first operand
- * @param {quat} b the second operand
- * @param {Number} t interpolation amount between the two inputs
- * @returns {quat} out
- */
-quat.slerp = function (out, a, b, t) {
- var ax = a[0], ay = a[1], az = a[2], aw = a[3],
- bx = b[0], by = b[1], bz = b[2], bw = b[3];
-
- var cosHalfTheta = ax * bx + ay * by + az * bz + aw * bw,
- halfTheta,
- sinHalfTheta,
- ratioA,
- ratioB;
-
- if (Math.abs(cosHalfTheta) >= 1.0) {
- if (out !== a) {
- out[0] = ax;
- out[1] = ay;
- out[2] = az;
- out[3] = aw;
- }
- return out;
- }
-
- halfTheta = Math.acos(cosHalfTheta);
- sinHalfTheta = Math.sqrt(1.0 - cosHalfTheta * cosHalfTheta);
-
- if (Math.abs(sinHalfTheta) < 0.001) {
- out[0] = (ax * 0.5 + bx * 0.5);
- out[1] = (ay * 0.5 + by * 0.5);
- out[2] = (az * 0.5 + bz * 0.5);
- out[3] = (aw * 0.5 + bw * 0.5);
- return out;
- }
-
- ratioA = Math.sin((1 - t) * halfTheta) / sinHalfTheta;
- ratioB = Math.sin(t * halfTheta) / sinHalfTheta;
-
- out[0] = (ax * ratioA + bx * ratioB);
- out[1] = (ay * ratioA + by * ratioB);
- out[2] = (az * ratioA + bz * ratioB);
- out[3] = (aw * ratioA + bw * ratioB);
-
- return out;
-};
-
-/**
- * Calculates the inverse of a quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quat to calculate inverse of
- * @returns {quat} out
- */
-quat.invert = function(out, a) {
- var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],
- dot = a0*a0 + a1*a1 + a2*a2 + a3*a3,
- invDot = dot ? 1.0/dot : 0;
-
- // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0
-
- out[0] = -a0*invDot;
- out[1] = -a1*invDot;
- out[2] = -a2*invDot;
- out[3] = a3*invDot;
- return out;
-};
-
-/**
- * Calculates the conjugate of a quat
- * If the quaternion is normalized, this function is faster than quat.inverse and produces the same result.
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quat to calculate conjugate of
- * @returns {quat} out
- */
-quat.conjugate = function (out, a) {
- out[0] = -a[0];
- out[1] = -a[1];
- out[2] = -a[2];
- out[3] = a[3];
- return out;
+Math.imul = Math.imul || function(a, b) {
+ var ah = (a >>> 16) & 0xffff,
+ al = a & 0xffff,
+ bh = (b >>> 16) & 0xffff,
+ bl = b & 0xffff;
+ // the shift by 0 fixes the sign on the high part
+ // the final |0 converts the unsigned value into a signed value
+ return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0)|0);
};
+define("typedefs", (function (global) {
+ return function () {
+ var ret, fn;
+ return ret || global.typedefs;
+ };
+}(this)));
-/**
- * Calculates the length of a quat
- *
- * @param {quat} a vector to calculate length of
- * @returns {Number} length of a
- * @function
- */
-quat.length = vec4.length;
-
-/**
- * Alias for {@link quat.length}
- * @function
- */
-quat.len = quat.length;
+/* jshint undef: true, unused: true, browser:true, devel: true */
+/* global define */
-/**
- * Calculates the squared length of a quat
- *
- * @param {quat} a vector to calculate squared length of
- * @returns {Number} squared length of a
- * @function
- */
-quat.squaredLength = vec4.squaredLength;
+define('subImage',["typedefs"], function() {
+ "use strict";
-/**
- * Alias for {@link quat.squaredLength}
- * @function
- */
-quat.sqrLen = quat.squaredLength;
+ /**
+ * Construct representing a part of another {ImageWrapper}. Shares data
+ * between the parent and the child.
+ * @param from {ImageRef} The position where to start the {SubImage} from. (top-left corner)
+ * @param size {ImageRef} The size of the resulting image
+ * @param I {ImageWrapper} The {ImageWrapper} to share from
+ * @returns {SubImage} A shared part of the original image
+ */
+ function SubImage(from, size, I) {
+ if (!I) {
+ I = {
+ data : null,
+ size : size
+ };
+ }
+ this.data = I.data;
+ this.originalSize = I.size;
+ this.I = I;
-/**
- * Normalize a quat
- *
- * @param {quat} out the receiving quaternion
- * @param {quat} a quaternion to normalize
- * @returns {quat} out
- * @function
- */
-quat.normalize = vec4.normalize;
+ this.from = from;
+ this.size = size;
+ }
-/**
- * Creates a quaternion from the given 3x3 rotation matrix.
- *
- * @param {quat} out the receiving quaternion
- * @param {mat3} m rotation matrix
- * @returns {quat} out
- * @function
- */
-quat.fromMat3 = (function() {
- var s_iNext = [1,2,0];
- return function(out, m) {
- // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes
- // article "Quaternion Calculus and Fast Animation".
- var fTrace = m[0] + m[4] + m[8];
- var fRoot;
-
- if ( fTrace > 0.0 ) {
- // |w| > 1/2, may as well choose w > 1/2
- fRoot = Math.sqrt(fTrace + 1.0); // 2w
- out[3] = 0.5 * fRoot;
- fRoot = 0.5/fRoot; // 1/(4w)
- out[0] = (m[7]-m[5])*fRoot;
- out[1] = (m[2]-m[6])*fRoot;
- out[2] = (m[3]-m[1])*fRoot;
- } else {
- // |w| <= 1/2
- var i = 0;
- if ( m[4] > m[0] )
- i = 1;
- if ( m[8] > m[i*3+i] )
- i = 2;
- var j = s_iNext[i];
- var k = s_iNext[j];
+ /**
+ * Displays the {SubImage} in a given canvas
+ * @param canvas {Canvas} The canvas element to write to
+ * @param scale {Number} Scale which is applied to each pixel-value
+ */
+ SubImage.prototype.show = function(canvas, scale) {
+ var ctx,
+ frame,
+ data,
+ current,
+ y,
+ x,
+ pixel;
- fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0);
- out[i] = 0.5 * fRoot;
- fRoot = 0.5 / fRoot;
- out[3] = (m[k*3+j] - m[j*3+k]) * fRoot;
- out[j] = (m[j*3+i] + m[i*3+j]) * fRoot;
- out[k] = (m[k*3+i] + m[i*3+k]) * fRoot;
+ if (!scale) {
+ scale = 1.0;
}
-
- return out;
+ ctx = canvas.getContext('2d');
+ canvas.width = this.size.x;
+ canvas.height = this.size.y;
+ frame = ctx.getImageData(0, 0, canvas.width, canvas.height);
+ data = frame.data;
+ current = 0;
+ for (y = 0; y < this.size.y; y++) {
+ for (x = 0; x < this.size.x; x++) {
+ pixel = y * this.size.x + x;
+ current = this.get(x, y) * scale;
+ data[pixel * 4 + 0] = current;
+ data[pixel * 4 + 1] = current;
+ data[pixel * 4 + 2] = current;
+ data[pixel * 4 + 3] = 255;
+ }
+ }
+ frame.data = data;
+ ctx.putImageData(frame, 0, 0);
};
-})();
-
-/**
- * Returns a string representation of a quatenion
- *
- * @param {quat} vec vector to represent as a string
- * @returns {String} string representation of the vector
- */
-quat.str = function (a) {
- return 'quat(' + a[0] + ', ' + a[1] + ', ' + a[2] + ', ' + a[3] + ')';
-};
-
-if(typeof(exports) !== 'undefined') {
- exports.quat = quat;
-}
-;
-
-
-
-
-
-
+ /**
+ * Retrieves a given pixel position from the {SubImage}
+ * @param x {Number} The x-position
+ * @param y {Number} The y-position
+ * @returns {Number} The grayscale value at the pixel-position
+ */
+ SubImage.prototype.get = function(x, y) {
+ return this.data[(this.from.y + y) * this.originalSize.x + this.from.x + x];
+ };
+ /**
+ * Updates the underlying data from a given {ImageWrapper}
+ * @param image {ImageWrapper} The updated image
+ */
+ SubImage.prototype.updateData = function(image) {
+ this.originalSize = image.size;
+ this.data = image.data;
+ };
+ /**
+ * Updates the position of the shared area
+ * @param from {x,y} The new location
+ * @returns {SubImage} returns {this} for possible chaining
+ */
+ SubImage.prototype.updateFrom = function(from) {
+ this.from = from;
+ return this;
+ };
+
+ return (SubImage);
+});
+/**
+ * @fileoverview gl-matrix - High performance matrix and vector operations
+ * @author Brandon Jones
+ * @author Colin MacKenzie IV
+ * @version 2.3.0
+ */
+/* Copyright (c) 2015, Brandon Jones, Colin MacKenzie IV.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
- })(shim.exports);
-})();
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. */
+!function(t,n){if("object"==typeof exports&&"object"==typeof module)module.exports=n();else if("function"==typeof define&&define.amd)define('gl-matrix',n);else{var r=n();for(var a in r)("object"==typeof exports?exports:t)[a]=r[a]}}(this,function(){return function(t){function n(a){if(r[a])return r[a].exports;var e=r[a]={exports:{},id:a,loaded:!1};return t[a].call(e.exports,e,e.exports,n),e.loaded=!0,e.exports}var r={};return n.m=t,n.c=r,n.p="",n(0)}([function(t,n,r){n.glMatrix=r(1),n.mat2=r(2),n.mat2d=r(3),n.mat3=r(4),n.mat4=r(5),n.quat=r(6),n.vec2=r(9),n.vec3=r(7),n.vec4=r(8)},function(t,n){var r={};r.EPSILON=1e-6,r.ARRAY_TYPE="undefined"!=typeof Float32Array?Float32Array:Array,r.RANDOM=Math.random,r.setMatrixArrayType=function(t){GLMAT_ARRAY_TYPE=t};var a=Math.PI/180;r.toRadian=function(t){return t*a},t.exports=r},function(t,n,r){var a=r(1),e={};e.create=function(){var t=new a.ARRAY_TYPE(4);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},e.clone=function(t){var n=new a.ARRAY_TYPE(4);return 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t[0]=n[0],t[1]=0,t[2]=0,t[3]=n[1],t[4]=0,t[5]=0,t},e.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=n[0],t[5]=n[1],t},e.str=function(t){return"mat2d("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+")"},e.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+1)},t.exports=e},function(t,n,r){var a=r(1),e={};e.create=function(){var t=new a.ARRAY_TYPE(9);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},e.fromMat4=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[4],t[4]=n[5],t[5]=n[6],t[6]=n[8],t[7]=n[9],t[8]=n[10],t},e.clone=function(t){var n=new a.ARRAY_TYPE(9);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n[4]=t[4],n[5]=t[5],n[6]=t[6],n[7]=t[7],n[8]=t[8],n},e.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},e.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},e.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[5];t[1]=n[3],t[2]=n[6],t[3]=r,t[5]=n[7],t[6]=a,t[7]=e}else t[0]=n[0],t[1]=n[3],t[2]=n[6],t[3]=n[1],t[4]=n[4],t[5]=n[7],t[6]=n[2],t[7]=n[5],t[8]=n[8];return t},e.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],c=n[6],f=n[7],s=n[8],h=s*o-i*f,M=-s*u+i*c,l=f*u-o*c,v=r*h+a*M+e*l;return v?(v=1/v,t[0]=h*v,t[1]=(-s*a+e*f)*v,t[2]=(i*a-e*o)*v,t[3]=M*v,t[4]=(s*r-e*c)*v,t[5]=(-i*r+e*u)*v,t[6]=l*v,t[7]=(-f*r+a*c)*v,t[8]=(o*r-a*u)*v,t):null},e.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],c=n[6],f=n[7],s=n[8];return t[0]=o*s-i*f,t[1]=e*f-a*s,t[2]=a*i-e*o,t[3]=i*c-u*s,t[4]=r*s-e*c,t[5]=e*u-r*i,t[6]=u*f-o*c,t[7]=a*c-r*f,t[8]=r*o-a*u,t},e.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],c=t[7],f=t[8];return n*(f*u-o*c)+r*(-f*e+o*i)+a*(c*e-u*i)},e.multiply=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],c=n[5],f=n[6],s=n[7],h=n[8],M=r[0],l=r[1],v=r[2],m=r[3],p=r[4],d=r[5],A=r[6],R=r[7],w=r[8];return t[0]=M*a+l*o+v*f,t[1]=M*e+l*i+v*s,t[2]=M*u+l*c+v*h,t[3]=m*a+p*o+d*f,t[4]=m*e+p*i+d*s,t[5]=m*u+p*c+d*h,t[6]=A*a+R*o+w*f,t[7]=A*e+R*i+w*s,t[8]=A*u+R*c+w*h,t},e.mul=e.multiply,e.translate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],c=n[5],f=n[6],s=n[7],h=n[8],M=r[0],l=r[1];return t[0]=a,t[1]=e,t[2]=u,t[3]=o,t[4]=i,t[5]=c,t[6]=M*a+l*o+f,t[7]=M*e+l*i+s,t[8]=M*u+l*c+h,t},e.rotate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],c=n[5],f=n[6],s=n[7],h=n[8],M=Math.sin(r),l=Math.cos(r);return t[0]=l*a+M*o,t[1]=l*e+M*i,t[2]=l*u+M*c,t[3]=l*o-M*a,t[4]=l*i-M*e,t[5]=l*c-M*u,t[6]=f,t[7]=s,t[8]=h,t},e.scale=function(t,n,r){var a=r[0],e=r[1];return t[0]=a*n[0],t[1]=a*n[1],t[2]=a*n[2],t[3]=e*n[3],t[4]=e*n[4],t[5]=e*n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},e.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=n[0],t[7]=n[1],t[8]=1,t},e.fromRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=r,t[2]=0,t[3]=-r,t[4]=a,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},e.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=n[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},e.fromMat2d=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=0,t[3]=n[2],t[4]=n[3],t[5]=0,t[6]=n[4],t[7]=n[5],t[8]=1,t},e.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,c=e+e,f=r*o,s=a*o,h=a*i,M=e*o,l=e*i,v=e*c,m=u*o,p=u*i,d=u*c;return t[0]=1-h-v,t[3]=s-d,t[6]=M+p,t[1]=s+d,t[4]=1-f-v,t[7]=l-m,t[2]=M-p,t[5]=l+m,t[8]=1-f-h,t},e.normalFromMat4=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],c=n[6],f=n[7],s=n[8],h=n[9],M=n[10],l=n[11],v=n[12],m=n[13],p=n[14],d=n[15],A=r*i-a*o,R=r*c-e*o,w=r*f-u*o,q=a*c-e*i,Y=a*f-u*i,g=e*f-u*c,y=s*m-h*v,x=s*p-M*v,P=s*d-l*v,E=h*p-M*m,T=h*d-l*m,b=M*d-l*p,D=A*b-R*T+w*E+q*P-Y*x+g*y;return D?(D=1/D,t[0]=(i*b-c*T+f*E)*D,t[1]=(c*P-o*b-f*x)*D,t[2]=(o*T-i*P+f*y)*D,t[3]=(e*T-a*b-u*E)*D,t[4]=(r*b-e*P+u*x)*D,t[5]=(a*P-r*T-u*y)*D,t[6]=(m*g-p*Y+d*q)*D,t[7]=(p*w-v*g-d*R)*D,t[8]=(v*Y-m*w+d*A)*D,t):null},e.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},e.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},t.exports=e},function(t,n,r){var a=r(1),e={};e.create=function(){var t=new a.ARRAY_TYPE(16);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.clone=function(t){var n=new a.ARRAY_TYPE(16);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n[4]=t[4],n[5]=t[5],n[6]=t[6],n[7]=t[7],n[8]=t[8],n[9]=t[9],n[10]=t[10],n[11]=t[11],n[12]=t[12],n[13]=t[13],n[14]=t[14],n[15]=t[15],n},e.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},e.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[3],u=n[6],o=n[7],i=n[11];t[1]=n[4],t[2]=n[8],t[3]=n[12],t[4]=r,t[6]=n[9],t[7]=n[13],t[8]=a,t[9]=u,t[11]=n[14],t[12]=e,t[13]=o,t[14]=i}else t[0]=n[0],t[1]=n[4],t[2]=n[8],t[3]=n[12],t[4]=n[1],t[5]=n[5],t[6]=n[9],t[7]=n[13],t[8]=n[2],t[9]=n[6],t[10]=n[10],t[11]=n[14],t[12]=n[3],t[13]=n[7],t[14]=n[11],t[15]=n[15];return t},e.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],c=n[6],f=n[7],s=n[8],h=n[9],M=n[10],l=n[11],v=n[12],m=n[13],p=n[14],d=n[15],A=r*i-a*o,R=r*c-e*o,w=r*f-u*o,q=a*c-e*i,Y=a*f-u*i,g=e*f-u*c,y=s*m-h*v,x=s*p-M*v,P=s*d-l*v,E=h*p-M*m,T=h*d-l*m,b=M*d-l*p,D=A*b-R*T+w*E+q*P-Y*x+g*y;return D?(D=1/D,t[0]=(i*b-c*T+f*E)*D,t[1]=(e*T-a*b-u*E)*D,t[2]=(m*g-p*Y+d*q)*D,t[3]=(M*Y-h*g-l*q)*D,t[4]=(c*P-o*b-f*x)*D,t[5]=(r*b-e*P+u*x)*D,t[6]=(p*w-v*g-d*R)*D,t[7]=(s*g-M*w+l*R)*D,t[8]=(o*T-i*P+f*y)*D,t[9]=(a*P-r*T-u*y)*D,t[10]=(v*Y-m*w+d*A)*D,t[11]=(h*w-s*Y-l*A)*D,t[12]=(i*x-o*E-c*y)*D,t[13]=(r*E-a*x+e*y)*D,t[14]=(m*R-v*q-p*A)*D,t[15]=(s*q-h*R+M*A)*D,t):null},e.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],c=n[6],f=n[7],s=n[8],h=n[9],M=n[10],l=n[11],v=n[12],m=n[13],p=n[14],d=n[15];return t[0]=i*(M*d-l*p)-h*(c*d-f*p)+m*(c*l-f*M),t[1]=-(a*(M*d-l*p)-h*(e*d-u*p)+m*(e*l-u*M)),t[2]=a*(c*d-f*p)-i*(e*d-u*p)+m*(e*f-u*c),t[3]=-(a*(c*l-f*M)-i*(e*l-u*M)+h*(e*f-u*c)),t[4]=-(o*(M*d-l*p)-s*(c*d-f*p)+v*(c*l-f*M)),t[5]=r*(M*d-l*p)-s*(e*d-u*p)+v*(e*l-u*M),t[6]=-(r*(c*d-f*p)-o*(e*d-u*p)+v*(e*f-u*c)),t[7]=r*(c*l-f*M)-o*(e*l-u*M)+s*(e*f-u*c),t[8]=o*(h*d-l*m)-s*(i*d-f*m)+v*(i*l-f*h),t[9]=-(r*(h*d-l*m)-s*(a*d-u*m)+v*(a*l-u*h)),t[10]=r*(i*d-f*m)-o*(a*d-u*m)+v*(a*f-u*i),t[11]=-(r*(i*l-f*h)-o*(a*l-u*h)+s*(a*f-u*i)),t[12]=-(o*(h*p-M*m)-s*(i*p-c*m)+v*(i*M-c*h)),t[13]=r*(h*p-M*m)-s*(a*p-e*m)+v*(a*M-e*h),t[14]=-(r*(i*p-c*m)-o*(a*p-e*m)+v*(a*c-e*i)),t[15]=r*(i*M-c*h)-o*(a*M-e*h)+s*(a*c-e*i),t},e.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],c=t[7],f=t[8],s=t[9],h=t[10],M=t[11],l=t[12],v=t[13],m=t[14],p=t[15],d=n*o-r*u,A=n*i-a*u,R=n*c-e*u,w=r*i-a*o,q=r*c-e*o,Y=a*c-e*i,g=f*v-s*l,y=f*m-h*l,x=f*p-M*l,P=s*m-h*v,E=s*p-M*v,T=h*p-M*m;return d*T-A*E+R*P+w*x-q*y+Y*g},e.multiply=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],c=n[5],f=n[6],s=n[7],h=n[8],M=n[9],l=n[10],v=n[11],m=n[12],p=n[13],d=n[14],A=n[15],R=r[0],w=r[1],q=r[2],Y=r[3];return t[0]=R*a+w*i+q*h+Y*m,t[1]=R*e+w*c+q*M+Y*p,t[2]=R*u+w*f+q*l+Y*d,t[3]=R*o+w*s+q*v+Y*A,R=r[4],w=r[5],q=r[6],Y=r[7],t[4]=R*a+w*i+q*h+Y*m,t[5]=R*e+w*c+q*M+Y*p,t[6]=R*u+w*f+q*l+Y*d,t[7]=R*o+w*s+q*v+Y*A,R=r[8],w=r[9],q=r[10],Y=r[11],t[8]=R*a+w*i+q*h+Y*m,t[9]=R*e+w*c+q*M+Y*p,t[10]=R*u+w*f+q*l+Y*d,t[11]=R*o+w*s+q*v+Y*A,R=r[12],w=r[13],q=r[14],Y=r[15],t[12]=R*a+w*i+q*h+Y*m,t[13]=R*e+w*c+q*M+Y*p,t[14]=R*u+w*f+q*l+Y*d,t[15]=R*o+w*s+q*v+Y*A,t},e.mul=e.multiply,e.translate=function(t,n,r){var a,e,u,o,i,c,f,s,h,M,l,v,m=r[0],p=r[1],d=r[2];return n===t?(t[12]=n[0]*m+n[4]*p+n[8]*d+n[12],t[13]=n[1]*m+n[5]*p+n[9]*d+n[13],t[14]=n[2]*m+n[6]*p+n[10]*d+n[14],t[15]=n[3]*m+n[7]*p+n[11]*d+n[15]):(a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],c=n[5],f=n[6],s=n[7],h=n[8],M=n[9],l=n[10],v=n[11],t[0]=a,t[1]=e,t[2]=u,t[3]=o,t[4]=i,t[5]=c,t[6]=f,t[7]=s,t[8]=h,t[9]=M,t[10]=l,t[11]=v,t[12]=a*m+i*p+h*d+n[12],t[13]=e*m+c*p+M*d+n[13],t[14]=u*m+f*p+l*d+n[14],t[15]=o*m+s*p+v*d+n[15]),t},e.scale=function(t,n,r){var a=r[0],e=r[1],u=r[2];return t[0]=n[0]*a,t[1]=n[1]*a,t[2]=n[2]*a,t[3]=n[3]*a,t[4]=n[4]*e,t[5]=n[5]*e,t[6]=n[6]*e,t[7]=n[7]*e,t[8]=n[8]*u,t[9]=n[9]*u,t[10]=n[10]*u,t[11]=n[11]*u,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},e.rotate=function(t,n,r,e){var u,o,i,c,f,s,h,M,l,v,m,p,d,A,R,w,q,Y,g,y,x,P,E,T,b=e[0],D=e[1],L=e[2],_=Math.sqrt(b*b+D*D+L*L);return Math.abs(_)c?(u.cross(t,n,e),u.length(t)<1e-6&&u.cross(t,r,e),u.normalize(t,t),i.setAxisAngle(a,t,Math.PI),a):c>.999999?(a[0]=0,a[1]=0,a[2]=0,a[3]=1,a):(u.cross(t,e,o),a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=1+c,i.normalize(a,a))}}(),i.setAxes=function(){var t=e.create();return function(n,r,a,e){return t[0]=a[0],t[3]=a[1],t[6]=a[2],t[1]=e[0],t[4]=e[1],t[7]=e[2],t[2]=-r[0],t[5]=-r[1],t[8]=-r[2],i.normalize(n,i.fromMat3(n,t))}}(),i.clone=o.clone,i.fromValues=o.fromValues,i.copy=o.copy,i.set=o.set,i.identity=function(t){return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},i.setAxisAngle=function(t,n,r){r=.5*r;var a=Math.sin(r);return t[0]=a*n[0],t[1]=a*n[1],t[2]=a*n[2],t[3]=Math.cos(r),t},i.add=o.add,i.multiply=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=r[0],c=r[1],f=r[2],s=r[3];return t[0]=a*s+o*i+e*f-u*c,t[1]=e*s+o*c+u*i-a*f,t[2]=u*s+o*f+a*c-e*i,t[3]=o*s-a*i-e*c-u*f,t},i.mul=i.multiply,i.scale=o.scale,i.rotateX=function(t,n,r){r*=.5;var a=n[0],e=n[1],u=n[2],o=n[3],i=Math.sin(r),c=Math.cos(r);return 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/* jshint undef: true, unused: true, browser:true, devel: true */
/* global define */
@@ -8250,6 +2597,16 @@ define('rasterizer',["tracer"], function(Tracer) {
define('skeletonizer',[],function() {
"use strict";
+ Math.imul = Math.imul || function(a, b) {
+ var ah = (a >>> 16) & 0xffff;
+ var al = a & 0xffff;
+ var bh = (b >>> 16) & 0xffff;
+ var bl = b & 0xffff;
+ // the shift by 0 fixes the sign on the high part
+ // the final |0 converts the unsigned value into a signed value
+ return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0)|0);
+ };
+
/* @preserve ASM BEGIN */
function Skeletonizer(stdlib, foreign, buffer) {
"use asm";
@@ -8500,10 +2857,10 @@ define('image_debug',[],function() {
});
/* jshint undef: true, unused: true, browser:true, devel: true */
-/* global define, mat2, vec2 */
+/* global define */
-define("barcode_locator", ["image_wrapper", "cv_utils", "rasterizer", "tracer", "skeletonizer", "array_helper", "image_debug"],
-function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, ImageDebug) {
+define("barcode_locator", ["image_wrapper", "cv_utils", "rasterizer", "tracer", "skeletonizer", "array_helper", "image_debug", "gl-matrix"],
+function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, ImageDebug, glMatrix) {
var _config,
_currentImageWrapper,
@@ -8526,6 +2883,8 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
_numPatches = {x: 0, y: 0},
_inputImageWrapper,
_skeletonizer,
+ vec2 = glMatrix.vec2,
+ mat2 = glMatrix.mat2,
self = this;
function initBuffers() {
@@ -8601,15 +2960,14 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
overAvg += 180;
}
- //console.log(overAvg);
overAvg = (180 - overAvg) * Math.PI / 180;
- transMat = mat2.create([Math.cos(overAvg), -Math.sin(overAvg), Math.sin(overAvg), Math.cos(overAvg)]);
+ transMat = mat2.clone([Math.cos(overAvg), Math.sin(overAvg), -Math.sin(overAvg), Math.cos(overAvg)]);
// iterate over patches and rotate by angle
for ( i = 0; i < patches.length; i++) {
patch = patches[i];
for ( j = 0; j < 4; j++) {
- mat2.xVec2(transMat, patch.box[j]);
+ vec2.transformMat2(patch.box[j], patch.box[j], transMat);
}
if (_config.boxFromPatches.showTransformed) {
@@ -8644,9 +3002,9 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
scale = _config.halfSample ? 2 : 1;
// reverse rotation;
- transMat = mat2.inverse(transMat);
+ transMat = mat2.invert(transMat, transMat);
for ( j = 0; j < 4; j++) {
- mat2.xVec2(transMat, box[j]);
+ vec2.transformMat2(box[j], box[j], transMat);
}
if (_config.boxFromPatches.showBB) {
@@ -8654,7 +3012,7 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
}
for ( j = 0; j < 4; j++) {
- vec2.scale(box[j], scale);
+ vec2.scale(box[j], box[j], scale);
}
return box;
@@ -8878,10 +3236,10 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
x : x,
y : y
},
- box : [vec2.create([x, y]), vec2.create([x + _subImageWrapper.size.x, y]), vec2.create([x + _subImageWrapper.size.x, y + _subImageWrapper.size.y]), vec2.create([x, y + _subImageWrapper.size.y])],
+ box : [vec2.clone([x, y]), vec2.clone([x + _subImageWrapper.size.x, y]), vec2.clone([x + _subImageWrapper.size.x, y + _subImageWrapper.size.y]), vec2.clone([x, y + _subImageWrapper.size.y])],
moments : matchingMoments,
rad : avg,
- vec : vec2.create([Math.cos(avg), Math.sin(avg)])
+ vec : vec2.clone([Math.cos(avg), Math.sin(avg)])
};
patchesFound.push(patch);
}
@@ -8928,27 +3286,11 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
x = current.x + Tracer.searchDirections[dir][1];
idx = y * _patchLabelGrid.size.x + x;
-<<<<<<< HEAD
- Math.imul = Math.imul || function(a, b) {
- var ah = (a >>> 16) & 0xffff;
- var al = a & 0xffff;
- var bh = (b >>> 16) & 0xffff;
- var bl = b & 0xffff;
- // the shift by 0 fixes the sign on the high part
- // the final |0 converts the unsigned value into a signed value
- return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0)|0);
- };
-
- /* @preserve ASM BEGIN */
- function Skeletonizer(stdlib, foreign, buffer) {
- "use asm";
-=======
// continue if patch empty
if (_patchGrid.data[idx] === 0) {
_patchLabelGrid.data[idx] = Number.MAX_VALUE;
continue;
}
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
patch = _imageToPatchGrid.data[idx];
if (_patchLabelGrid.data[idx] === 0) {
@@ -9295,37 +3637,6 @@ define('bresenham',["cv_utils", "image_wrapper"], function(CVUtils, ImageWrapper
});
/* jshint undef: true, unused: true, browser:true, devel: true */
/* global define */
-<<<<<<< HEAD
-
-define("barcode_locator", ["image_wrapper", "cv_utils", "rasterizer", "tracer", "skeletonizer", "array_helper", "image_debug", "gl-matrix"],
-function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, ImageDebug, glMatrix) {
-
- var _config,
- _currentImageWrapper,
- _skelImageWrapper,
- _subImageWrapper,
- _labelImageWrapper,
- _patchGrid,
- _patchLabelGrid,
- _imageToPatchGrid,
- _binaryImageWrapper,
- _patchSize,
- _canvasContainer = {
- ctx : {
- binary : null
- },
- dom : {
- binary : null
- }
- },
- _numPatches = {x: 0, y: 0},
- _inputImageWrapper,
- _skeletonizer,
- vec2 = glMatrix.vec2,
- mat2 = glMatrix.mat2,
- self = this;
-=======
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
define(
'barcode_reader',[],function() {
@@ -9468,24 +3779,6 @@ define(
}
}
}
-<<<<<<< HEAD
- }
-
- overAvg /= patches.length;
- overAvg = (overAvg * 180 / Math.PI + 90) % 180 - 90;
- if (overAvg < 0) {
- overAvg += 180;
- }
-
- overAvg = (180 - overAvg) * Math.PI / 180;
- transMat = mat2.clone([Math.cos(overAvg), Math.sin(overAvg), -Math.sin(overAvg), Math.cos(overAvg)]);
-
- // iterate over patches and rotate by angle
- for ( i = 0; i < patches.length; i++) {
- patch = patches[i];
- for ( j = 0; j < 4; j++) {
- vec2.transformMat2(patch.box[j], patch.box[j], transMat);
-=======
// if cmpCounter was not given
bestMatch.start = offset;
@@ -9510,7 +3803,6 @@ define(
}
} else {
result.direction = BarcodeReader.DIRECTION.FORWARD;
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
}
if (result) {
result.format = self.FORMAT;
@@ -9540,14 +3832,6 @@ define(
offset = (typeof offset !== 'undefined') ? offset : self._nextUnset(self._row);
end = end || self._row.length;
-<<<<<<< HEAD
- scale = _config.halfSample ? 2 : 1;
- // reverse rotation;
- transMat = mat2.invert(transMat, transMat);
- for ( j = 0; j < 4; j++) {
- vec2.transformMat2(box[j], box[j], transMat);
- }
-=======
counters[counterPos] = 0;
for (i = offset; i < end; i++) {
if (self._row[i] ^ isWhite) {
@@ -9560,18 +3844,12 @@ define(
}
return counters;
};
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
Object.defineProperty(BarcodeReader.prototype, "FORMAT", {
value: 'unknown',
writeable: false
});
-<<<<<<< HEAD
- for ( j = 0; j < 4; j++) {
- vec2.scale(box[j], box[j], scale);
- }
-=======
BarcodeReader.DIRECTION = {
FORWARD : 1,
REVERSE : -1
@@ -9582,7 +3860,6 @@ define(
CodeNotFoundException : "Code could not be found!",
PatternNotFoundException : "Pattern could not be found!"
};
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
BarcodeReader.CONFIG_KEYS = {};
@@ -9996,30 +4273,6 @@ define(
};
};
-<<<<<<< HEAD
- // Only two of the moments are allowed not to fit into the equation
- // add the patch to the set
- if (matchingMoments.length > 1 && matchingMoments.length >= (eligibleMoments.length / 4) * 3 && matchingMoments.length > moments.length / 4) {
- avg /= matchingMoments.length;
- patch = {
- index : patchPos[1] * _numPatches.x + patchPos[0],
- pos : {
- x : x,
- y : y
- },
- box : [vec2.clone([x, y]), vec2.clone([x + _subImageWrapper.size.x, y]), vec2.clone([x + _subImageWrapper.size.x, y + _subImageWrapper.size.y]), vec2.clone([x, y + _subImageWrapper.size.y])],
- moments : matchingMoments,
- rad : avg,
- vec : vec2.clone([Math.cos(avg), Math.sin(avg)])
- };
- patchesFound.push(patch);
- }
- }
- }
- return patchesFound;
- }
-=======
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
BarcodeReader.prototype._verifyTrailingWhitespace = function(endInfo) {
var self = this,
@@ -12613,10 +6866,10 @@ function(InputStream,
blobURL = generateWorkerBlob();
workerThread.worker = new Worker(blobURL);
- URL.revokeObjectURL(blobURL);
workerThread.worker.onmessage = function(e) {
if (e.data.event === 'initialized') {
+ URL.revokeObjectURL(blobURL);
workerThread.busy = false;
workerThread.imageData = new Uint8Array(e.data.imageData);
console.log("Worker initialized");
@@ -12625,6 +6878,8 @@ function(InputStream,
workerThread.imageData = new Uint8Array(e.data.imageData);
workerThread.busy = false;
publishResult(e.data.result, workerThread.imageData);
+ } else if (e.data.event === 'error') {
+ console.log("Worker error: " + e.data.message);
}
};
@@ -12639,10 +6894,13 @@ function(InputStream,
function workerInterface(factory) {
if (factory) {
+ /* jshint ignore:start */
var Quagga = factory();
if (!Quagga) {
+ self.postMessage({'event': 'error', message: 'Quagga could not be created'});
return;
}
+ /* jshint ignore:end */
}
/* jshint ignore:start */
var imageWrapper;
diff --git a/dist/quagga.min.js b/dist/quagga.min.js
index 50565b5..a41119b 100644
--- a/dist/quagga.min.js
+++ b/dist/quagga.min.js
@@ -1,20 +1,10 @@
-<<<<<<< HEAD
-/*! quagga 2015-07-10 */
-=======
-/*! quagga 2015-08-13 */
->>>>>>> bc7283003570f6aa9b9930de2e1208cd18656951
+/*! quagga 2015-09-13 */
!function(a,b){var c=b.toString();"undefined"!=typeof module?module.exports=b(c):a.Quagga=b(c)}(this,function(a){/**
* @license almond 0.2.9 Copyright (c) 2011-2014, The Dojo Foundation All Rights Reserved.
* Available via the MIT or new BSD license.
* see: http://github.com/jrburke/almond for details
*/
-<<<<<<< HEAD
-var b,c,d;return function(a){function e(a,b){return u.call(a,b)}function f(a,b){var c,d,e,f,g,h,i,j,k,l,m,n=b&&b.split("/"),o=s.map,p=o&&o["*"]||{};if(a&&"."===a.charAt(0))if(b){for(n=n.slice(0,n.length-1),a=a.split("/"),g=a.length-1,s.nodeIdCompat&&w.test(a[g])&&(a[g]=a[g].replace(w,"")),a=n.concat(a),k=0;k0&&(a.splice(k-1,2),k-=2)}a=a.join("/")}else 0===a.indexOf("./")&&(a=a.substring(2));if((n||p)&&o){for(c=a.split("/"),k=c.length;k>0;k-=1){if(d=c.slice(0,k).join("/"),n)for(l=n.length;l>0;l-=1)if(e=o[n.slice(0,l).join("/")],e&&(e=e[d])){f=e,h=k;break}if(f)break;!i&&p&&p[d]&&(i=p[d],j=k)}!f&&i&&(f=i,h=j),f&&(c.splice(0,h,f),a=c.join("/"))}return a}function g(b,c){return function(){return n.apply(a,v.call(arguments,0).concat([b,c]))}}function h(a){return function(b){return f(b,a)}}function i(a){return function(b){q[a]=b}}function j(b){if(e(r,b)){var c=r[b];delete r[b],t[b]=!0,m.apply(a,c)}if(!e(q,b)&&!e(t,b))throw new Error("No "+b);return q[b]}function k(a){var b,c=a?a.indexOf("!"):-1;return c>-1&&(b=a.substring(0,c),a=a.substring(c+1,a.length)),[b,a]}function l(a){return function(){return s&&s.config&&s.config[a]||{}}}var m,n,o,p,q={},r={},s={},t={},u=Object.prototype.hasOwnProperty,v=[].slice,w=/\.js$/;o=function(a,b){var c,d=k(a),e=d[0];return a=d[1],e&&(e=f(e,b),c=j(e)),e?a=c&&c.normalize?c.normalize(a,h(b)):f(a,b):(a=f(a,b),d=k(a),e=d[0],a=d[1],e&&(c=j(e))),{f:e?e+"!"+a:a,n:a,pr:e,p:c}},p={require:function(a){return g(a)},exports:function(a){var b=q[a];return"undefined"!=typeof b?b:q[a]={}},module:function(a){return{id:a,uri:"",exports:q[a],config:l(a)}}},m=function(b,c,d,f){var h,k,l,m,n,s,u=[],v=typeof d;if(f=f||b,"undefined"===v||"function"===v){for(c=!c.length&&d.length?["require","exports","module"]:c,n=0;ng)return Number.MAX_VALUE;d+=e}return d/f},a.prototype._nextSet=function(a,b){var c;for(b=b||0,c=b;c1)for(c=0;cd?(j.start=c-g,j.end=c,j.counter=e,j):null;i++,e[i]=1,h=!h}}else for(e.push(0),c=g;ca?0:a,d=a;b>d;d++)if(this._row[d]!==c)return!1;return!0},Object.defineProperty(a.prototype,"FORMAT",{value:"unknown",writeable:!1}),a.DIRECTION={FORWARD:1,REVERSE:-1},a.Exception={StartNotFoundException:"Start-Info was not found!",CodeNotFoundException:"Code could not be found!",PatternNotFoundException:"Pattern could not be found!"},a}),d("code_128_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_SHIFT:{value:98},CODE_C:{value:99},CODE_B:{value:100},CODE_A:{value:101},START_CODE_A:{value:103},START_CODE_B:{value:104},START_CODE_C:{value:105},STOP_CODE:{value:106},MODULO:{value:11},CODE_PATTERN:{value:[[2,1,2,2,2,2],[2,2,2,1,2,2],[2,2,2,2,2,1],[1,2,1,2,2,3],[1,2,1,3,2,2],[1,3,1,2,2,2],[1,2,2,2,1,3],[1,2,2,3,1,2],[1,3,2,2,1,2],[2,2,1,2,1,3],[2,2,1,3,1,2],[2,3,1,2,1,2],[1,1,2,2,3,2],[1,2,2,1,3,2],[1,2,2,2,3,1],[1,1,3,2,2,2],[1,2,3,1,2,2],[1,2,3,2,2,1],[2,2,3,2,1,1],[2,2,1,1,3,2],[2,2,1,2,3,1],[2,1,3,2,1,2],[2,2,3,1,1,2],[3,1,2,1,3,1],[3,1,1,2,2,2],[3,2,1,1,2,2],[3,2,1,2,2,1],[3,1,2,2,1,2],[3,2,2,1,1,2],[3,2,2,2,1,1],[2,1,2,1,2,3],[2,1,2,3,2,1],[2,3,2,1,2,1],[1,1,1,3,2,3],[1,3,1,1,2,3],[1,3,1,3,2,1],[1,1,2,3,1,3],[1,3,2,1,1,3],[1,3,2,3,1,1],[2,1,1,3,1,3],[2,3,1,1,1,3],[2,3,1,3,1,1],[1,1,2,1,3,3],[1,1,2,3,3,1],[1,3,2,1,3,1],[1,1,3,1,2,3],[1,1,3,3,2,1],[1,3,3,1,2,1],[3,1,3,1,2,1],[2,1,1,3,3,1],[2,3,1,1,3,1],[2,1,3,1,1,3],[2,1,3,3,1,1],[2,1,3,1,3,1],[3,1,1,1,2,3],[3,1,1,3,2,1],[3,3,1,1,2,1],[3,1,2,1,1,3],[3,1,2,3,1,1],[3,3,2,1,1,1],[3,1,4,1,1,1],[2,2,1,4,1,1],[4,3,1,1,1,1],[1,1,1,2,2,4],[1,1,1,4,2,2],[1,2,1,1,2,4],[1,2,1,4,2,1],[1,4,1,1,2,2],[1,4,1,2,2,1],[1,1,2,2,1,4],[1,1,2,4,1,2],[1,2,2,1,1,4],[1,2,2,4,1,1],[1,4,2,1,1,2],[1,4,2,2,1,1],[2,4,1,2,1,1],[2,2,1,1,1,4],[4,1,3,1,1,1],[2,4,1,1,1,2],[1,3,4,1,1,1],[1,1,1,2,4,2],[1,2,1,1,4,2],[1,2,1,2,4,1],[1,1,4,2,1,2],[1,2,4,1,1,2],[1,2,4,2,1,1],[4,1,1,2,1,2],[4,2,1,1,1,2],[4,2,1,2,1,1],[2,1,2,1,4,1],[2,1,4,1,2,1],[4,1,2,1,2,1],[1,1,1,1,4,3],[1,1,1,3,4,1],[1,3,1,1,4,1],[1,1,4,1,1,3],[1,1,4,3,1,1],[4,1,1,1,1,3],[4,1,1,3,1,1],[1,1,3,1,4,1],[1,1,4,1,3,1],[3,1,1,1,4,1],[4,1,1,1,3,1],[2,1,1,4,1,2],[2,1,1,2,1,4],[2,1,1,2,3,2],[2,3,3,1,1,1,2]]},SINGLE_CODE_ERROR:{value:1},AVG_CODE_ERROR:{value:.5},FORMAT:{value:"code_128",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodeCode=function(a){var b,c,d,e,f=[0,0,0,0,0,0],g=this,h=a,i=!g._row[h],j=0,k={error:Number.MAX_VALUE,code:-1,start:a,end:a};for(b=h;bd;d++)g[d]=g[d+2];g[4]=0,g[5]=0,k--}else k++;g[k]=1,j=!j}return null},b.prototype._decode=function(){var a,b,c,d=this,e=d._findStart(),f=null,g=!1,h=[],i=0,j=0,k=[],l=[],m=!1;if(null===e)return null;switch(f={code:e.code,start:e.start,end:e.end},l.push(f),j=f.code,f.code){case d.START_CODE_A:a=d.CODE_A;break;case d.START_CODE_B:a=d.CODE_B;break;case d.START_CODE_C:a=d.CODE_C;break;default:return null}for(;!g;){if(b=m,m=!1,f=d._decodeCode(f.end),null!==f)switch(f.code!==d.STOP_CODE&&(k.push(f.code),i++,j+=i*f.code),l.push(f),a){case d.CODE_A:if(f.code<64)h.push(String.fromCharCode(32+f.code));else if(f.code<96)h.push(String.fromCharCode(f.code-64));else switch(f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_B;break;case d.CODE_B:a=d.CODE_B;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_B:if(f.code<96)h.push(String.fromCharCode(32+f.code));else switch(f.code!=d.STOP_CODE&&(c=!1),f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_A;break;case d.CODE_A:a=d.CODE_A;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_C:switch(f.code<100&&h.push(f.code<10?"0"+f.code:f.code),f.code){case d.CODE_A:a=d.CODE_A;break;case d.CODE_B:a=d.CODE_B;break;case d.STOP_CODE:g=!0}}else g=!0;b&&(a=a==d.CODE_A?d.CODE_B:d.CODE_A)}return null===f?null:(f.end=d._nextUnset(d._row,f.end),d._verifyTrailingWhitespace(f)?(j-=i*k[k.length-1],j%103!=k[k.length-1]?null:h.length?(h.splice(h.length-1,1),{code:h.join(""),start:e.start,end:f.end,codeset:a,startInfo:e,decodedCodes:l,endInfo:f}):null):null)},a.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bd;d++)e=h._matchPattern(f,h.CODE_PATTERN[d]),eh.AVG_CODE_ERROR?null:l}}else k++;g[k]=1,j=!j}return null},b.prototype._findPattern=function(a,b,c,d,e){var f,g,h,i,j,k=[],l=this,m=0,n={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(b||(b=l._nextSet(l._row)),void 0===c&&(c=!1),void 0===d&&(d=!0),void 0===e&&(e=l.AVG_CODE_ERROR),f=0;fg))return n.error=g,n.start=f-i,n.end=f,n;if(!d)return null;for(h=0;h=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start),bd;d++){if(a=f._decodeCode(a.end),!a)return null;a.code>=f.CODE_G_START?(a.code=a.code-f.CODE_G_START,g|=1<<5-d):g|=0<<5-d,b.push(a.code),c.push(a)}if(e=f._calculateFirstDigit(g),null===e)return null;if(b.unshift(e),a=f._findPattern(f.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;6>d;d++){if(a=f._decodeCode(a.end,f.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b.prototype._decode=function(){var a,b,c=this,d=[],e=[];return(a=c._findStart())?(b={code:a.code,start:a.start,end:a.end},e.push(b),(b=c._decodePayload(b,d,e))&&(b=c._findEnd(b.end,!1))?(e.push(b),c._checksum(d)?{code:d.join(""),start:a.start,end:b.end,codeset:"",startInfo:a,decodedCodes:e}:null):null):null},b.prototype._checksum=function(a){var b,c=0;for(b=a.length-2;b>=0;b-=2)c+=a[b];for(c*=3,b=a.length-1;b>=0;b-=2)c+=a[b];return c%10===0},b}),d("image_loader",[],function(){"use strict";function a(a,b){a.onload=function(){b.loaded(this)}}var b={};return b.load=function(b,c,d,e,f){var g,h,i,j=new Array(e),k=new Array(j.length);if(f===!1)j[0]=b;else for(g=0;g1?f.size:Math.floor(b/e*f.size):b,d=f.size?b/e>1?Math.floor(e/b*f.size):f.size:e,j.x=c,j.y=d}var c,d,e={},f=null,g=["canrecord","ended"],h={},i={x:0,y:0},j={x:0,y:0};return e.getRealWidth=function(){return a.videoWidth},e.getRealHeight=function(){return a.videoHeight},e.getWidth=function(){return c},e.getHeight=function(){return 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b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],i=a[7],j=a[8];return b*(j*f-g*i)+c*(-j*e+g*h)+d*(i*e-f*h)},j.multiply=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=c[0],n=c[1],o=c[2],p=c[3],q=c[4],r=c[5],s=c[6],t=c[7],u=c[8];return a[0]=m*d+n*g+o*j,a[1]=m*e+n*h+o*k,a[2]=m*f+n*i+o*l,a[3]=p*d+q*g+r*j,a[4]=p*e+q*h+r*k,a[5]=p*f+q*i+r*l,a[6]=s*d+t*g+u*j,a[7]=s*e+t*h+u*k,a[8]=s*f+t*i+u*l,a},j.mul=j.multiply,j.translate=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=c[0],n=c[1];return a[0]=d,a[1]=e,a[2]=f,a[3]=g,a[4]=h,a[5]=i,a[6]=m*d+n*g+j,a[7]=m*e+n*h+k,a[8]=m*f+n*i+l,a},j.rotate=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=Math.sin(c),n=Math.cos(c);return a[0]=n*d+m*g,a[1]=n*e+m*h,a[2]=n*f+m*i,a[3]=n*g-m*d,a[4]=n*h-m*e,a[5]=n*i-m*f,a[6]=j,a[7]=k,a[8]=l,a},j.scale=function(a,b,c){var d=c[0],e=c[2];return a[0]=d*b[0],a[1]=d*b[1],a[2]=d*b[2],a[3]=e*b[3],a[4]=e*b[4],a[5]=e*b[5],a[6]=b[6],a[7]=b[7],a[8]=b[8],a},j.fromMat2d=function(a,b){return a[0]=b[0],a[1]=b[1],a[2]=0,a[3]=b[2],a[4]=b[3],a[5]=0,a[6]=b[4],a[7]=b[5],a[8]=1,a},j.fromQuat=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=c+c,h=d+d,i=e+e,j=c*g,k=c*h,l=c*i,m=d*h,n=d*i,o=e*i,p=f*g,q=f*h,r=f*i;return a[0]=1-(m+o),a[1]=k+r,a[2]=l-q,a[3]=k-r,a[4]=1-(j+o),a[5]=n+p,a[6]=l+q,a[7]=n-p,a[8]=1-(j+m),a},j.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"},"undefined"!=typeof a&&(a.mat3=j);{var k={};new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1])}k.create=function(){var a=new c(16);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},k.clone=function(a){var b=new c(16);return b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3],b[4]=a[4],b[5]=a[5],b[6]=a[6],b[7]=a[7],b[8]=a[8],b[9]=a[9],b[10]=a[10],b[11]=a[11],b[12]=a[12],b[13]=a[13],b[14]=a[14],b[15]=a[15],b},k.copy=function(a,b){return a[0]=b[0],a[1]=b[1],a[2]=b[2],a[3]=b[3],a[4]=b[4],a[5]=b[5],a[6]=b[6],a[7]=b[7],a[8]=b[8],a[9]=b[9],a[10]=b[10],a[11]=b[11],a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15],a},k.identity=function(a){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},k.transpose=function(a,b){if(a===b){var c=b[1],d=b[2],e=b[3],f=b[6],g=b[7],h=b[11];a[1]=b[4],a[2]=b[8],a[3]=b[12],a[4]=c,a[6]=b[9],a[7]=b[13],a[8]=d,a[9]=f,a[11]=b[14],a[12]=e,a[13]=g,a[14]=h
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a[0]=h*(m*r-n*q)-l*(i*r-j*q)+p*(i*n-j*m),a[1]=-(d*(m*r-n*q)-l*(e*r-f*q)+p*(e*n-f*m)),a[2]=d*(i*r-j*q)-h*(e*r-f*q)+p*(e*j-f*i),a[3]=-(d*(i*n-j*m)-h*(e*n-f*m)+l*(e*j-f*i)),a[4]=-(g*(m*r-n*q)-k*(i*r-j*q)+o*(i*n-j*m)),a[5]=c*(m*r-n*q)-k*(e*r-f*q)+o*(e*n-f*m),a[6]=-(c*(i*r-j*q)-g*(e*r-f*q)+o*(e*j-f*i)),a[7]=c*(i*n-j*m)-g*(e*n-f*m)+k*(e*j-f*i),a[8]=g*(l*r-n*p)-k*(h*r-j*p)+o*(h*n-j*l),a[9]=-(c*(l*r-n*p)-k*(d*r-f*p)+o*(d*n-f*l)),a[10]=c*(h*r-j*p)-g*(d*r-f*p)+o*(d*j-f*h),a[11]=-(c*(h*n-j*l)-g*(d*n-f*l)+k*(d*j-f*h)),a[12]=-(g*(l*q-m*p)-k*(h*q-i*p)+o*(h*m-i*l)),a[13]=c*(l*q-m*p)-k*(d*q-e*p)+o*(d*m-e*l),a[14]=-(c*(h*q-i*p)-g*(d*q-e*p)+o*(d*i-e*h)),a[15]=c*(h*m-i*l)-g*(d*m-e*l)+k*(d*i-e*h),a},k.determinant=function(a){var b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],i=a[7],j=a[8],k=a[9],l=a[10],m=a[11],n=a[12],o=a[13],p=a[14],q=a[15],r=b*g-c*f,s=b*h-d*f,t=b*i-e*f,u=c*h-d*g,v=c*i-e*g,w=d*i-e*h,x=j*o-k*n,y=j*p-l*n,z=j*q-m*n,A=k*p-l*o,B=k*q-m*o,C=l*q-m*p;return r*C-s*B+t*A+u*z-v*y+w*x},k.multiply=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=b[9],n=b[10],o=b[11],p=b[12],q=b[13],r=b[14],s=b[15],t=c[0],u=c[1],v=c[2],w=c[3];return a[0]=t*d+u*h+v*l+w*p,a[1]=t*e+u*i+v*m+w*q,a[2]=t*f+u*j+v*n+w*r,a[3]=t*g+u*k+v*o+w*s,t=c[4],u=c[5],v=c[6],w=c[7],a[4]=t*d+u*h+v*l+w*p,a[5]=t*e+u*i+v*m+w*q,a[6]=t*f+u*j+v*n+w*r,a[7]=t*g+u*k+v*o+w*s,t=c[8],u=c[9],v=c[10],w=c[11],a[8]=t*d+u*h+v*l+w*p,a[9]=t*e+u*i+v*m+w*q,a[10]=t*f+u*j+v*n+w*r,a[11]=t*g+u*k+v*o+w*s,t=c[12],u=c[13],v=c[14],w=c[15],a[12]=t*d+u*h+v*l+w*p,a[13]=t*e+u*i+v*m+w*q,a[14]=t*f+u*j+v*n+w*r,a[15]=t*g+u*k+v*o+w*s,a},k.mul=k.multiply,k.translate=function(a,b,c){var d,e,f,g,h,i,j,k,l,m,n,o,p=c[0],q=c[1],r=c[2];return b===a?(a[12]=b[0]*p+b[4]*q+b[8]*r+b[12],a[13]=b[1]*p+b[5]*q+b[9]*r+b[13],a[14]=b[2]*p+b[6]*q+b[10]*r+b[14],a[15]=b[3]*p+b[7]*q+b[11]*r+b[15]):(d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=b[9],n=b[10],o=b[11],a[0]=d,a[1]=e,a[2]=f,a[3]=g,a[4]=h,a[5]=i,a[6]=j,a[7]=k,a[8]=l,a[9]=m,a[10]=n,a[11]=o,a[12]=d*p+h*q+l*r+b[12],a[13]=e*p+i*q+m*r+b[13],a[14]=f*p+j*q+n*r+b[14],a[15]=g*p+k*q+o*r+b[15]),a},k.scale=function(a,b,c){var d=c[0],e=c[1],f=c[2];return a[0]=b[0]*d,a[1]=b[1]*d,a[2]=b[2]*d,a[3]=b[3]*d,a[4]=b[4]*e,a[5]=b[5]*e,a[6]=b[6]*e,a[7]=b[7]*e,a[8]=b[8]*f,a[9]=b[9]*f,a[10]=b[10]*f,a[11]=b[11]*f,a[12]=b[12],a[13]=b[13],a[14]=b[14],a[15]=b[15],a},k.rotate=function(a,c,d,e){var f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D=e[0],E=e[1],F=e[2],G=Math.sqrt(D*D+E*E+F*F);return Math.abs(G)=1?(a!==b&&(a[0]=i,a[1]=j,a[2]=k,a[3]=l),a):(e=Math.acos(q),f=Math.sqrt(1-q*q),Math.abs(f)<.001?(a[0]=.5*i+.5*m,a[1]=.5*j+.5*n,a[2]=.5*k+.5*o,a[3]=.5*l+.5*p,a):(g=Math.sin((1-d)*e)/f,h=Math.sin(d*e)/f,a[0]=i*g+m*h,a[1]=j*g+n*h,a[2]=k*g+o*h,a[3]=l*g+p*h,a))},l.invert=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=c*c+d*d+e*e+f*f,h=g?1/g:0;return a[0]=-c*h,a[1]=-d*h,a[2]=-e*h,a[3]=f*h,a},l.conjugate=function(a,b){return a[0]=-b[0],a[1]=-b[1],a[2]=-b[2],a[3]=b[3],a},l.length=g.length,l.len=l.length,l.squaredLength=g.squaredLength,l.sqrLen=l.squaredLength,l.normalize=g.normalize,l.fromMat3=function(){var a=[1,2,0];return function(b,c){var d,e=c[0]+c[4]+c[8];if(e>0)d=Math.sqrt(e+1),b[3]=.5*d,d=.5/d,b[0]=(c[7]-c[5])*d,b[1]=(c[2]-c[6])*d,b[2]=(c[3]-c[1])*d;else{var f=0;c[4]>c[0]&&(f=1),c[8]>c[3*f+f]&&(f=2);var g=a[f],h=a[g];d=Math.sqrt(c[3*f+f]-c[3*g+g]-c[3*h+h]+1),b[f]=.5*d,d=.5/d,b[3]=(c[3*h+g]-c[3*g+h])*d,b[g]=(c[3*g+f]+c[3*f+g])*d,b[h]=(c[3*h+f]+c[3*f+h])*d}return b}}(),l.str=function(a){return"quat("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"},"undefined"!=typeof a&&(a.quat=l)}(a.exports)}(),d("cluster",["gl-matrix"],function(a){"use strict";var b=a.vec2,c={create:function(a,c){function d(){e(a),f()}function e(a){i[a.id]=a,g.push(a)}function f(){var a,c=0;for(a=0;ac?!0:!1},getPoints:function(){return g},getCenter:function(){return h}}},createPoint:function(a,b,c){return{rad:a[c],point:a,id:b}}};return c}),d("array_helper",[],function(){"use strict";return{init:function(a,b){for(var c=a.length;c--;)a[c]=b},shuffle:function(a){var b,c,d=a.length-1;for(d;d>=0;d--)b=Math.floor(Math.random()*d),c=a[d],a[d]=a[b],a[b]=c;return a},toPointList:function(a){var b,c,d=[],e=[];for(b=0;b=b&&e.push(a[d]);return e},maxIndex:function(a){var b,c=0;for(b=0;ba[c]&&(c=b);return c},max:function(a){var b,c=0;for(b=0;bc&&(c=a[b]);return c},sum:function(a){for(var b=a.length,c=0;b--;)c+=a[b];return c}}}),d("cv_utils",["cluster","array_helper","gl-matrix"],function(a,b,c){"use strict";var d={},e=c.vec2,f=c.vec3;return d.imageRef=function(a,b){var c={x:a,y:b,toVec2:function(){return e.clone([this.x,this.y])},toVec3:function(){return f.clone([this.x,this.y,1])},round:function(){return this.x=Math.floor(this.x>0?this.x+.5:this.x-.5),this.y=Math.floor(this.y>0?this.y+.5:this.y-.5),this}};return c},d.computeIntegralImage2=function(a,b){var c,d,e=a.data,f=a.size.x,g=a.size.y,h=b.data,i=0,j=0,k=0,l=0,m=0;for(k=f,i=0,d=1;g>d;d++)i+=e[j],h[k]+=i,j+=f,k+=f;for(j=0,k=1,i=0,c=1;f>c;c++)i+=e[j],h[k]+=i,j++,k++;for(d=1;g>d;d++)for(j=d*f+1,k=(d-1)*f+1,l=d*f,m=(d-1)*f,c=1;f>c;c++)h[j]+=e[j]+h[k]+h[l]-h[m],j++,k++,l++,m++},d.computeIntegralImage=function(a,b){for(var c=a.data,d=a.size.x,e=a.size.y,f=b.data,g=0,h=0;d>h;h++)g+=c[h],f[h]=g;for(var i=1;e>i;i++){g=0;for(var j=0;d>j;j++)g+=c[i*d+j],f[i*d+j]=g+f[(i-1)*d+j]}},d.thresholdImage=function(a,b,c){c||(c=a);for(var d=a.data,e=d.length,f=c.data;e--;)f[e]=d[e]>e]++;return g},d.sharpenLine=function(a){var b,c,d=a.length,e=a[0],f=a[1];for(b=1;d-1>b;b++)c=a[b+1],a[b-1]=2*f-e-c&255,e=f,f=c;return a},d.determineOtsuThreshold=function(a,c){function e(a,b){var c,d=0;for(c=a;b>=c;c++)d+=h[c];return d}function f(a,b){var c,d=0;for(c=a;b>=c;c++)d+=c*h[c];return d}function g(){var g,i,j,k,l,m,n,o=[0],p=(1<k;k++)g=e(0,k),i=e(k+1,p),j=g*i,0===j&&(j=1),l=f(0,k)*i,m=f(k+1,p)*g,n=l-m,o[k]=n*n/j;return b.maxIndex(o)}c||(c=8);var h,i,j=8-c;return i=g(),i<=e;e++)for(f=0;n>f;f++)m[e*n+f]=0,m[(o-1-e)*n+f]=0;for(e=r;o-r>e;e++)for(f=0;r>=f;f++)m[e*n+f]=0,m[e*n+(n-1-f)]=0;for(e=r+1;o-r-1>e;e++)for(f=r+1;n-r>f;f++)g=p[(e-r-1)*n+(f-r-1)],h=p[(e-r-1)*n+(f+r)],i=p[(e+r)*n+(f-r-1)],j=p[(e+r)*n+(f+r)],q=j-i-h+g,k=q/s,m[e*n+f]=l[e*n+f]>k+5?0:1},d.cluster=function(b,c,d){function e(a){var b=!1;for(g=0;gb.x-j&&a.xb.y-k&&a.yd;d++){for(h=Math.floor(Math.random()*a.length),f=[],i=h,f.push(a[i]);null!==(i=c(i,!0));)f.push(a[i]);if(h>0)for(i=h;null!==(i=c(i,!1));)f.push(a[i]);f.length>g.length&&(g=f)}return g}},d.DILATE=1,d.ERODE=2,d.dilate=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=e>0?1:0},d.erode=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=5===e?1:0},d.subtract=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]-f[d]},d.bitwiseOr=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]||f[d]},d.countNonZero=function(a){for(var b=a.data.length,c=a.data,d=0;b--;)d+=c[b];return d},d.topGeneric=function(a,b,c){var d,e,f,g,h=0,i=0,j=[];for(d=0;b>d;d++)j[d]={score:0,item:null};for(d=0;di)for(f=j[h],f.score=e,f.item=a[d],i=Number.MAX_VALUE,g=0;b>g;g++)j[g].scoref;){for(d=0;h>d;d++)c[i]=Math.floor((.299*a[4*e+0]+.587*a[4*e+1]+.114*a[4*e+2]+(.299*a[4*(e+1)+0]+.587*a[4*(e+1)+1]+.114*a[4*(e+1)+2])+(.299*a[4*f+0]+.587*a[4*f+1]+.114*a[4*f+2])+(.299*a[4*(f+1)+0]+.587*a[4*(f+1)+1]+.114*a[4*(f+1)+2]))/4),i++,e+=2,f+=2;e+=j,f+=j}},d.computeGray=function(a,b,c){var d,e=a.length/4|0,f=c&&c.singleChannel===!0;if(f)for(d=0;e>d;d++)b[d]=a[4*d+0];else for(d=0;e>d;d++)b[d]=Math.floor(.299*a[4*d+0]+.587*a[4*d+1]+.114*a[4*d+2])},d.loadImageArray=function(a,b,c){c||(c=document.createElement("canvas"));var e=new Image;e.callback=b,e.onload=function(){c.width=this.width,c.height=this.height;var a=c.getContext("2d");a.drawImage(this,0,0);var b=new Uint8Array(this.width*this.height);a.drawImage(this,0,0);var e=a.getImageData(0,0,this.width,this.height).data;d.computeGray(e,b),this.callback(b,{x:this.width,y:this.height},this)},e.src=a},d.halfSample=function(a,b){for(var c=a.data,d=a.size.x,e=b.data,f=0,g=d,h=c.length,i=d/2,j=0;h>g;){for(var k=0;i>k;k++)e[j]=Math.floor((c[f]+c[f+1]+c[g]+c[g+1])/4),j++,f+=2,g+=2;f+=d,g+=d}},d.hsv2rgb=function(a,b){var c=a[0],d=a[1],e=a[2],f=e*d,g=f*(1-Math.abs(c/60%2-1)),h=e-f,i=0,j=0,k=0;return b=b||[0,0,0],60>c?(i=f,j=g):120>c?(i=g,j=f):180>c?(j=f,k=g):240>c?(j=g,k=f):300>c?(i=g,k=f):360>c&&(i=f,k=g),b[0]=255*(i+h)|0,b[1]=255*(j+h)|0,b[2]=255*(k+h)|0,b},d._computeDivisors=function(a){var b,c=[],d=[];for(b=1;bb[d]?d++:c++;return e},d.calculatePatchSize=function(a,b){function c(a){for(var b=0,c=a[Math.floor(a.length/2)];b0&&(c=Math.abs(a[b]-m)>Math.abs(a[b-1]-m)?a[b-1]:a[b]),m/ci[k-1]/i[k]?{x:c,y:c}:null}var d,e=this._computeDivisors(b.x),f=this._computeDivisors(b.y),g=Math.max(b.x,b.y),h=this._computeIntersection(e,f),i=[8,10,15,20,32,60,80],j={"x-small":5,small:4,medium:3,large:2,"x-large":1},k=j[a]||j.medium,l=i[k],m=Math.floor(g/l);return d=c(h),d||(d=c(this._computeDivisors(g)),d||(d=c(this._computeDivisors(m*l)))),d},d._parseCSSDimensionValues=function(a){var b={value:parseFloat(a),unit:a.indexOf("%")===a.length-1?"%":"%"};return b},d._dimensionsConverters={top:function(a,b){return"%"===a.unit?Math.floor(b.height*(a.value/100)):void 0},right:function(a,b){return"%"===a.unit?Math.floor(b.width-b.width*(a.value/100)):void 0},bottom:function(a,b){return"%"===a.unit?Math.floor(b.height-b.height*(a.value/100)):void 0},left:function(a,b){return"%"===a.unit?Math.floor(b.width*(a.value/100)):void 0}},d.computeImageArea=function(a,b,c){var e={width:a,height:b},f=Object.keys(c).reduce(function(a,b){var f=c[b],g=d._parseCSSDimensionValues(f),h=d._dimensionsConverters[b](g,e);return a[b]=h,a},{});return{sx:f.left,sy:f.top,sw:f.right-f.left,sh:f.bottom-f.top}},d}),d("image_wrapper",["subImage","cv_utils","array_helper","gl-matrix"],function(a,b,c,d){"use strict";function e(a,b,d,e){b?this.data=b:d?(this.data=new d(a.x*a.y),d===Array&&e&&c.init(this.data,0)):(this.data=new Uint8Array(a.x*a.y),Uint8Array===Array&&e&&c.init(this.data,0)),this.size=a}var f=d.vec2,g=d.mat2;return e.prototype.inImageWithBorder=function(a,b){return a.x>=b&&a.y>=b&&a.x=0&&u>=0&&n-1>v&&o-1>w){for(i=s,j=0;m>j;++j,f.add(i,y))for(k=0;l>k;++k,f.add(i,p))b.set(k,j,x(a,i[0],i[1]));return 0}var z=n-1,A=o-1,B=0;for(i=s,j=0;m>j;++j,f.add(i,y))for(k=0;l>k;++k,f.add(i,p))0<=i[0]&&0<=i[1]&&i[0]c;c++)for(d=0;e>d;d++)a.data[d*f+c]=this.data[(b.y+d)*this.size.x+b.x+c]},e.prototype.copyTo=function(a){for(var b=this.data.length,c=this.data,d=a.data;b--;)d[b]=c[b]},e.prototype.get=function(a,b){return this.data[b*this.size.x+a]},e.prototype.getSafe=function(a,b){var c;if(!this.indexMapping){for(this.indexMapping={x:[],y:[]},c=0;ca;a++)d[a]=d[(c-1)*b+a]=0;for(a=1;c-1>a;a++)d[a*b]=d[a*b+(b-1)]=0},e.prototype.invert=function(){for(var a=this.data,b=a.length;b--;)a[b]=a[b]?0:1},e.prototype.convolve=function(a){var b,c,d,e,f=a.length/2|0,g=0;for(c=0;c=e;e++)for(d=-f;f>=d;d++)g+=a[e+f][d+f]*this.getSafe(b+d,c+e);this.data[c*this.size.x+b]=g}},e.prototype.moments=function(a){var b,c,d,e,g,h,i,j,k,l,m,n,o=this.data,p=this.size.y,q=this.size.x,r=[],s=[],t=Math.PI,u=t/4;if(0>=a)return s;for(g=0;a>g;g++)r[g]={m00:0,m01:0,m10:0,m11:0,m02:0,m20:0,theta:0,rad:0};for(c=0;p>c;c++)for(e=c*c,b=0;q>b;b++)d=o[c*q+b],d>0&&(h=r[d-1],h.m00+=1,h.m01+=c,h.m10+=b,h.m11+=b*c,h.m02+=e,h.m20+=b*b);for(g=0;a>g;g++)h=r[g],isNaN(h.m00)||0===h.m00||(l=h.m10/h.m00,m=h.m01/h.m00,i=h.m11/h.m00-l*m,j=h.m02/h.m00-m*m,k=h.m20/h.m00-l*l,n=(j-k)/(2*i),n=.5*Math.atan(n)+(i>=0?u:-u)+t,h.theta=(180*n/t+90)%180-90,h.theta<0&&(h.theta+=180),h.rad=n>t?n-t:n,h.vec=f.clone([Math.cos(n),Math.sin(n)]),s.push(h));return s},e.prototype.show=function(a,b){var c,d,e,f,g,h,i;for(b||(b=1),c=a.getContext("2d"),a.width=this.size.x,a.height=this.size.y,d=c.getImageData(0,0,a.width,a.height),e=d.data,f=0,i=0;ic||c>360)&&(c=360);for(var e=[0,1,1],f=[0,0,0],g=[255,255,255],h=[0,0,0],i=[],j=a.getContext("2d"),k=j.getImageData(d.x,d.y,this.size.x,this.size.y),l=k.data,m=this.data.length;m--;)e[0]=this.data[m]*c,i=e[0]<=0?g:e[0]>=360?h:b.hsv2rgb(e,f),l[4*m+0]=i[0],l[4*m+1]=i[1],l[4*m+2]=i[2],l[4*m+3]=255;j.putImageData(k,d.x,d.y)},e}),d("tracer",[],function(){"use strict";var a={searchDirections:[[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1],[-1,0],[-1,1]],create:function(a,b){function c(a,b,c,d){var e,k,l;for(e=0;7>e;e++){if(k=a.cy+i[a.dir][0],l=a.cx+i[a.dir][1],f=k*j+l,g[f]===b&&(0===h[f]||h[f]===c))return h[f]=c,a.cy=k,a.cx=l,!0;0===h[f]&&(h[f]=d),a.dir=(a.dir+1)%8}return!1}function d(a,b,c){return{dir:c,x:a,y:b,next:null,prev:null}}function e(a,b,e,f,g){var h,i,j,k=null,l={cx:b,cy:a,dir:0};if(c(l,f,e,g)){k=d(b,a,l.dir),h=k,j=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i;do l.dir=(l.dir+6)%8,c(l,f,e,g),j!=l.dir?(h.dir=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i):(h.dir=j,h.x=l.cx,h.y=l.cy),j=l.dir;while(l.cx!=b||l.cy!=a);k.prev=h.prev,h.prev.next=k}return k}var f,g=a.data,h=b.data,i=this.searchDirections,j=a.size.x;return{trace:function(a,b,d,e){return c(a,b,d,e)},contourTracing:function(a,b,c,d,f){return e(a,b,c,d,f)}}}};return a}),d("rasterizer",["tracer"],function(a){"use strict";var b={createContour2D:function(){return{dir:null,index:null,firstVertex:null,insideContours:null,nextpeer:null,prevpeer:null}},CONTOUR_DIR:{CW_DIR:0,CCW_DIR:1,UNKNOWN_DIR:2},DIR:{OUTSIDE_EDGE:-32767,INSIDE_EDGE:-32766},create:function(c,d){var e=c.data,f=d.data,g=c.size.x,h=c.size.y,i=a.create(c,d);return{rasterize:function(a){var c,d,j,k,l,m,n,o,p,q,r,s,t=[],u=0;for(s=0;400>s;s++)t[s]=0;for(t[0]=e[0],p=null,m=1;h-1>m;m++)for(k=0,d=t[0],l=1;g-1>l;l++)if(r=m*g+l,0===f[r])if(c=e[r],c!==d){if(0===k)j=u+1,t[j]=c,d=c,n=i.contourTracing(m,l,j,c,b.DIR.OUTSIDE_EDGE),null!==n&&(u++,k=j,o=b.createContour2D(),o.dir=b.CONTOUR_DIR.CW_DIR,o.index=k,o.firstVertex=n,o.nextpeer=p,o.insideContours=null,null!==p&&(p.prevpeer=o),p=o);else if(n=i.contourTracing(m,l,b.DIR.INSIDE_EDGE,c,k),null!==n){for(o=b.createContour2D(),o.firstVertex=n,o.insideContours=null,o.dir=0===a?b.CONTOUR_DIR.CCW_DIR:b.CONTOUR_DIR.CW_DIR,o.index=a,q=p;null!==q&&q.index!==k;)q=q.nextpeer;null!==q&&(o.nextpeer=q.insideContours,null!==q.insideContours&&(q.insideContours.prevpeer=o),q.insideContours=o)}}else f[r]=k;else f[r]===b.DIR.OUTSIDE_EDGE||f[r]===b.DIR.INSIDE_EDGE?(k=0,d=f[r]===b.DIR.INSIDE_EDGE?e[r]:t[0]):(k=f[r],d=t[k]);for(q=p;null!==q;)q.index=a,q=q.nextpeer;return{cc:p,count:u}},debug:{drawContour:function(a,c){var d,e,f,g=a.getContext("2d"),h=c;for(g.strokeStyle="red",g.fillStyle="red",g.lineWidth=1,d=null!==h?h.insideContours:null;null!==h;){switch(null!==d?(e=d,d=d.nextpeer):(e=h,h=h.nextpeer,d=null!==h?h.insideContours:null),e.dir){case b.CONTOUR_DIR.CW_DIR:g.strokeStyle="red";break;case b.CONTOUR_DIR.CCW_DIR:g.strokeStyle="blue";break;case b.CONTOUR_DIR.UNKNOWN_DIR:g.strokeStyle="green"}f=e.firstVertex,g.beginPath(),g.moveTo(f.x,f.y);do f=f.next,g.lineTo(f.x,f.y);while(f!==e.firstVertex);g.stroke()}}}}}};return b}),d("skeletonizer",[],function(){"use strict";function a(stdlib, foreign, buffer) {"use asm";var images=new stdlib.Uint8Array(buffer),size=foreign.size|0,imul=stdlib.Math.imul;function erode(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0) == (5|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function subtract(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0) - (images[(bImagePtr+length)|0]|0))|0;}}function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0)|(images[(bImagePtr+length)|0]|0))|0;}}function countNonZero(imagePtr) {imagePtr=imagePtr|0;var sum=0,length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;sum=((sum|0)+(images[(imagePtr+length)|0]|0))|0;}return (sum|0);}function init(imagePtr, value) {imagePtr=imagePtr|0;value=value|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(imagePtr+length)|0]=value;}}function dilate(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0)>(0|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function memcpy(srcImagePtr, dstImagePtr) {srcImagePtr=srcImagePtr|0;dstImagePtr=dstImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(dstImagePtr+length)|0]=(images[(srcImagePtr+length)|0]|0);}}function zeroBorder(imagePtr) {imagePtr=imagePtr|0;var x=0,y=0;for ( x=0; (x|0)<((size - 1)|0); x=(x+1)|0) {images[(imagePtr+x)|0]=0;images[(imagePtr+y)|0]=0;y=((y+size) - 1)|0;images[(imagePtr+y)|0]=0;y=(y+1)|0;}for ( x=0; (x|0)<(size|0); x=(x+1)|0) {images[(imagePtr+y)|0]=0;y=(y+1)|0;}}function skeletonize() {var subImagePtr=0,erodedImagePtr=0,tempImagePtr=0,skelImagePtr=0,sum=0,done=0;erodedImagePtr=imul(size, size)|0;tempImagePtr=(erodedImagePtr+erodedImagePtr)|0;skelImagePtr=(tempImagePtr+erodedImagePtr)|0;init(skelImagePtr, 0);zeroBorder(subImagePtr);do {erode(subImagePtr, erodedImagePtr);dilate(erodedImagePtr, tempImagePtr);subtract(subImagePtr, tempImagePtr, tempImagePtr);bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr);memcpy(erodedImagePtr, subImagePtr);sum=countNonZero(subImagePtr)|0;done=((sum|0) == 0|0);} while(!done);}return {skeletonize : skeletonize};}
-return Math.imul=Math.imul||function(a,b){var c=a>>>16&65535,d=65535&a,e=b>>>16&65535,f=65535&b;return d*f+(c*f+d*e<<16>>>0)|0},a}),d("image_debug",[],function(){"use strict";return{drawRect:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=1,c.beginPath(),c.strokeRect(a.x,a.y,b.x,b.y)},drawPath:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=d.lineWidth,c.beginPath(),c.moveTo(a[0][b.x],a[0][b.y]);for(var e=1;eb&&(b+=180),b=(180-b)*Math.PI/180,f=I.clone([Math.cos(b),Math.sin(b),-Math.sin(b),Math.cos(b)]),c=0;cd;d++)H.transformMat2(e.box[d],e.box[d],f);t.boxFromPatches.showTransformed&&g.drawPath(e.box,{x:0,y:1},F.ctx.binary,{color:"#99ff00",lineWidth:2})}for(c=0;cd;d++)e.box[d][0]l&&(l=e.box[d][0]),e.box[d][1]m&&(m=e.box[d][1]);for(h=[[j,k],[l,k],[l,m],[j,m]],t.boxFromPatches.showTransformedBox&&g.drawPath(h,{x:0,y:1},F.ctx.binary,{color:"#ff0000",lineWidth:2}),i=t.halfSample?2:1,f=I.invert(f,f),d=0;4>d;d++)H.transformMat2(h[d],h[d],f);for(t.boxFromPatches.showBB&&g.drawPath(h,{x:0,y:1},F.ctx.binary,{color:"#ff0000",lineWidth:2}),d=0;4>d;d++)H.scale(h[d],h[d],i);return h}function l(){b.otsuThreshold(u,B),B.zeroBorder(),t.showCanvas&&B.show(F.dom.binary,255)}function m(){var a,b,d,e,h,i,j,k,l=[];for(a=0;ab;b++)d.push(0);for(c=z.data.length;c--;)z.data[c]>0&&d[z.data[c]-1]++;return d=d.map(function(a,b){return{val:a,label:b+1}}),d.sort(function(a,b){return b.val-a.val}),e=d.filter(function(a){return a.val>=5})}function o(a,c){var d,e,f,h,i,j=[],l=[],m=[0,1,1],n=[0,0,0];for(d=0;d=2){for(e=0;el&&j.push(a[e]);if(j.length>=2){for(i=j.length,g=p(j),f=0,e=0;e1&&g.length>=j.length/4*3&&g.length>a.length/4&&(f/=g.length,h={index:b[1]*G.x+b[0],pos:{x:c,y:d},box:[H.clone([c,d]),H.clone([c+w.size.x,d]),H.clone([c+w.size.x,d+w.size.y]),H.clone([c,d+w.size.y])],moments:g,rad:f,vec:H.clone([Math.cos(f),Math.sin(f)])},k.push(h))}}return k}function s(a){function c(){var a;for(a=0;ak&&e(h))):z.data[h]=Number.MAX_VALUE}var h,i,j=0,k=.95,l=0,m=[0,1,1],n=[0,0,0];for(f.init(y.data,0),f.init(z.data,0),f.init(A.data,null),h=0;h0&&z.data[h]<=j&&(i=A.data[h],m[0]=z.data[h]/(j+1)*360,b.hsv2rgb(m,n),g.drawRect(i.pos,w.size,F.ctx.binary,{color:"rgb("+n.join(",")+")",lineWidth:2}));return j}var t,u,v,w,x,y,z,A,B,C,D,E,F={ctx:{binary:null},dom:{binary:null}},G={x:0,y:0},H=h.vec2,I=h.mat2,J=this;return{init:function(a,b){t=b,D=a,i(),j()},locate:function(){var a,c,d;if(t.halfSample&&b.halfSample(D,u),l(),a=m(),a.lengthe?null:(c=n(e),0===c.length?null:d=o(c,e))},checkImageConstraints:function(a,c){var d,e,f,g=a.getWidth(),h=a.getHeight(),i=c.halfSample?.5:1;if(a.getConfig().area&&(f=b.computeImageArea(g,h,a.getConfig().area),a.setTopRight({x:f.sx,y:f.sy}),a.setCanvasSize({x:g,y:h}),g=f.sw,h=f.sh),e={x:Math.floor(g*i),y:Math.floor(h*i)},d=b.calculatePatchSize(c.patchSize,e),console.log("Patch-Size: "+JSON.stringify(d)),a.setWidth(Math.floor(Math.floor(e.x/d.x)*(1/i)*d.x)),a.setHeight(Math.floor(Math.floor(e.y/d.y)*(1/i)*d.y)),a.getWidth()%d.x===0&&a.getHeight()%d.y===0)return!0;throw new Error("Image dimensions do not comply with the current settings: Width ("+g+" )and height ("+h+") must a multiple of "+d.x)}}}),d("bresenham",["cv_utils","image_wrapper"],function(a,b){"use strict";var c={},d={DIR:{UP:1,DOWN:-1}};return c.getBarcodeLine=function(a,b,c){function d(a,b){l=s[b*t+a],u+=l,v=v>l?l:v,w=l>w?l:w,r.push(l)}var e,f,g,h,i,j,k,l,m=0|b.x,n=0|b.y,o=0|c.x,p=0|c.y,q=Math.abs(p-n)>Math.abs(o-m),r=[],s=a.data,t=a.size.x,u=0,v=255,w=0;for(q&&(j=m,m=n,n=j,j=o,o=p,p=j),m>o&&(j=m,m=o,o=j,j=n,n=p,p=j),e=o-m,f=Math.abs(p-n),g=e/2|0,i=n,h=p>n?1:-1,k=m;o>k;k++)q?d(i,k):d(k,i),g-=f,0>g&&(i+=h,g+=e);return{line:r,min:v,max:w}},c.toOtsuBinaryLine=function(c){var d=c.line,e=new b({x:d.length-1,y:1},d),f=a.determineOtsuThreshold(e,5);return d=a.sharpenLine(d),a.thresholdImage(e,f),{line:d,threshold:f}},c.toBinaryLine=function(a){var b,c,e,f,g,h,i=a.min,j=a.max,k=a.line,l=i+(j-i)/2,m=[],n=(j-i)/12,o=-n;for(e=k[0]>l?d.DIR.UP:d.DIR.DOWN,m.push({pos:0,val:k[0]}),g=0;gb+c&&k[g+1]<1.5*l?d.DIR.DOWN:b+c>n&&k[g+1]>.5*l?d.DIR.UP:e,e!==f&&(m.push({pos:g,val:k[g]}),e=f);for(m.push({pos:k.length,val:k[k.length-1]}),h=m[0].pos;hl?0:1;for(g=1;gm[g].val?m[g].val+(m[g+1].val-m[g].val)/3*2|0:m[g+1].val+(m[g].val-m[g+1].val)/3|0,h=m[g].pos;hn?0:1;return{line:k,threshold:n}},c.debug={printFrequency:function(a,b){var c,d=b.getContext("2d");for(b.width=a.length,b.height=256,d.beginPath(),d.strokeStyle="blue",c=0;cd;d++)if(e._row[d]^h)c[i]++;else{if(i++,i===f)break;c[i]=1,h=!h}return c},c.prototype._decode=function(){var a,c,d,e,f=this,g=[0,0,0,0,0,0,0,0,0],h=[],i=f._findStart();if(!i)return null;e=f._nextSet(f._row,i.end);do{if(g=f._toCounters(e,g),d=f._toPattern(g),0>d)return null;if(a=f._patternToChar(d),0>a)return null;h.push(a),c=e,e+=b.sum(g),e=f._nextSet(f._row,e)}while("*"!==a);return h.pop(),h.length&&f._verifyTrailingWhitespace(c,e,g)?{code:h.join(""),start:i.start,end:e,startInfo:i,decodedCodes:h}:null},c.prototype._verifyTrailingWhitespace=function(a,c,d){var e,f=b.sum(d);return e=c-a-f,3*e>=f?!0:!1},c.prototype._patternToChar=function(a){var b,c=this;for(b=0;bb&&(d=a[c]);return d},c.prototype._toPattern=function(a){for(var b,c,d=a.length,e=0,f=d,g=0,h=this;f>3;){for(e=h._findNextWidth(a,e),f=0,b=0,c=0;d>c;c++)a[c]>e&&(b|=1<c&&f>0;c++)if(a[c]>e&&(f--,2*a[c]>=g))return-1;return b}}return-1},c.prototype._findStart=function(){var a,b,c,d=this,e=d._nextSet(d._row),f=e,g=[0,0,0,0,0,0,0,0,0],h=0,i=!1;for(a=e;ab;b++)g[b]=g[b+2];g[7]=0,g[8]=0,h--}else h++;g[h]=1,i=!i}return null},c}),d("code_39_vin_reader",["./code_39_reader"],function(a){"use strict";function b(){a.call(this)}var c={IOQ:/[IOQ]/g,AZ09:/[A-Z0-9]{17}/};return b.prototype=Object.create(a.prototype),b.prototype.constructor=b,b.prototype._decode=function(){var b=a.prototype._decode.apply(this);if(!b)return null;var d=b.code;if(d)return d=d.replace(c.IOQ,""),d.match(c.AZ09)?this._checkChecksum(d)?(b.code=d,b):null:(console.log("Failed AZ09 pattern code:",d),null)},b.prototype._checkChecksum=function(a){return!!a},b}),d("codabar_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this),this._counters=[]}var c={ALPHABETH_STRING:{value:"0123456789-$:/.+ABCD"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,45,36,58,47,46,43,65,66,67,68]},CHARACTER_ENCODINGS:{value:[3,6,9,96,18,66,33,36,48,72,12,24,69,81,84,21,26,41,11,14]},START_END:{value:[26,41,11,14]},MIN_ENCODED_CHARS:{value:4},MAX_ACCEPTABLE:{value:2},PADDING:{value:1.5},FORMAT:{value:"codabar",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decode=function(){var a,b,c,d,e,f=this,g=[];if(f._fillCounters(),a=f._findStart(),!a)return null;d=a.startCounter;do{if(c=f._toPattern(d),0>c)return null;if(b=f._patternToChar(c),0>b)return null;if(g.push(b),d+=8,g.length>1&&f._isStartEnd(c))break}while(df._counters.length?f._counters.length:d,e=a.start+f._sumCounters(a.startCounter,d-8),{code:g.join(""),start:a.start,end:e,startInfo:a,decodedCodes:g}):null},b.prototype._verifyWhitespace=function(a,b){return(0>=a-1||this._counters[a-1]>=this._calculatePatternLength(a)/2)&&(b+8>=this._counters.length||this._counters[b+7]>=this._calculatePatternLength(b)/2)?!0:!1},b.prototype._calculatePatternLength=function(a){var b,c=0;for(b=a;a+7>b;b++)c+=this._counters[b];return c},b.prototype._thresholdResultPattern=function(a,b){var c,d,e,f,g,h=this,i={space:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}},bar:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}}},j=b;for(e=0;e=0;f--)c=2===(1&f)?i.bar:i.space,d=1===(1&g)?c.wide:c.narrow,d.size+=h._counters[j+f],d.counts++,g>>=1;j+=8}return["space","bar"].forEach(function(a){var b=i[a];b.wide.min=Math.floor((b.narrow.size/b.narrow.counts+b.wide.size/b.wide.counts)/2),b.narrow.max=Math.ceil(b.wide.min),b.wide.max=Math.ceil((b.wide.size*h.MAX_ACCEPTABLE+h.PADDING)/b.wide.counts)}),i},b.prototype._charToPattern=function(a){var b,c=this,d=a.charCodeAt(0);for(b=0;b=0;d--){if(e=0===(1&d)?j.bar:j.space,f=1===(1&h)?e.wide:e.narrow,g=i._counters[k+d],gf.max)return!1;h>>=1}k+=8}return!0},b.prototype._fillCounters=function(){var a,b=this,c=0,d=!0,e=b._nextUnset(b._row);for(b._counters.length=0,b._counters[c]=0,a=e;ac;c+=2)d=this._counters[c],d>f&&(f=d),e>d&&(e=d);return(e+f)/2|0},b.prototype._toPattern=function(a){var b,c,d,e,f=7,g=a+f,h=1<this._counters.length)return-1;for(b=this._computeAlternatingThreshold(a,g),c=this._computeAlternatingThreshold(a+1,g),d=0;f>d;d++)e=0===(1&d)?b:c,this._counters[a+d]>e&&(i|=h),h>>=1;return i},b.prototype._isStartEnd=function(a){var b;for(b=0;bc;c++)d+=this._counters[c];return d},b.prototype._findStart=function(){var a,b,c,d=this,e=d._nextUnset(d._row);for(a=1;ad;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;b.push(a.code),c.push(a)}if(a=e._findPattern(e.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;4>d;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b}),d("upc_e_reader",["./ean_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_FREQUENCY:{value:[[56,52,50,49,44,38,35,42,41,37],[7,11,13,14,19,25,28,21,22,26]]},STOP_PATTERN:{value:[1/6*7,1/6*7,1/6*7,1/6*7,1/6*7,1/6*7]},FORMAT:{value:"upc_e",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodePayload=function(a,b,c){var d,e=this,f=0;for(d=0;6>d;d++){if(a=e._decodeCode(a.end),!a)return null;a.code>=e.CODE_G_START&&(a.code=a.code-e.CODE_G_START,f|=1<<5-d),b.push(a.code),c.push(a)}return e._determineParity(f,b)?a:null},b.prototype._determineParity=function(a,b){var c,d,e=this;for(d=0;d=c?b.concat(a.slice(1,3)).concat([c,0,0,0,0]).concat(a.slice(3,6)):3===c?b.concat(a.slice(1,4)).concat([0,0,0,0,0]).concat(a.slice(4,6)):4===c?b.concat(a.slice(1,5)).concat([0,0,0,0,0,a[5]]):b.concat(a.slice(1,6)).concat([0,0,0,0,c]),b.push(a[a.length-1]),b},b.prototype._checksum=function(b){return a.prototype._checksum.call(this,this._convertToUPCA(b))},b.prototype._findEnd=function(b,c){return c=!0,a.prototype._findEnd.call(this,b,c)},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,b1&&(!d.inImageWithBorder(a[0],0)||!d.inImageWithBorder(a[1],0));)c-=Math.ceil(c/2),e(-c);return a}function i(a){return[{x:(a[1][0]-a[0][0])/2+a[0][0],y:(a[1][1]-a[0][1])/2+a[0][1]},{x:(a[3][0]-a[2][0])/2+a[2][0],y:(a[3][1]-a[2][1])/2+a[2][1]}]}function j(e){var f,g=null,h=a.getBarcodeLine(d,e[0],e[1]);for(c.showFrequency&&(b.drawPath(e,{x:"x",y:"y"},o.ctx.overlay,{color:"red",lineWidth:3}),a.debug.printFrequency(h.line,o.dom.frequency)),a.toBinaryLine(h),c.showPattern&&a.debug.printPattern(h.line,o.dom.pattern),f=0;fd&&null===i;d++)e=g/h*d*(d%2===0?-1:1),f={y:e*k,x:e*l},b[0].y+=f.x,b[0].x-=f.y,b[1].y+=f.x,b[1].x-=f.y,i=j(b);return i}function m(a){return Math.sqrt(Math.pow(Math.abs(a[1].y-a[0].y),2)+Math.pow(Math.abs(a[1].x-a[0].x),2))}function n(a){var d,e,f,g,k=o.ctx.overlay;return c.drawBoundingBox&&k&&b.drawPath(a,{x:0,y:1},k,{color:"blue",lineWidth:2}),d=i(a),g=m(d),e=Math.atan2(d[1].y-d[0].y,d[1].x-d[0].x),d=h(d,e,Math.floor(.1*g)),null===d?null:(f=j(d),null===f&&(f=l(a,d,e)),null===f?null:(f&&c.drawScanline&&k&&b.drawPath(d,{x:"x",y:"y"},k,{color:"red",lineWidth:3}),{codeResult:f.codeResult,line:d,angle:e,pattern:f.barcodeLine.line,threshold:f.barcodeLine.threshold}))}var o={ctx:{frequency:null,pattern:null,overlay:null},dom:{frequency:null,pattern:null,overlay:null}},p=[];return e(),f(),g(),{decodeFromBoundingBox:function(a){return n(a)},decodeFromBoundingBoxes:function(a){var b,c;for(b=0;b0?a.videoWidth>0&&a.videoHeight>0?(console.log(a.videoWidth+"px x "+a.videoHeight+"px"),b()):window.setTimeout(c,500):b("Unable to play video stream. 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b[0]=(h*D-i*C+j*B)*E,b[1]=(-d*D+e*C-f*B)*E,b[2]=(p*x-q*w+r*v)*E,b[3]=(-l*x+m*w-n*v)*E,b[4]=(-g*D+i*A-j*z)*E,b[5]=(c*D-e*A+f*z)*E,b[6]=(-o*x+q*u-r*t)*E,b[7]=(k*x-m*u+n*t)*E,b[8]=(g*C-h*A+j*y)*E,b[9]=(-c*C+d*A-f*y)*E,b[10]=(o*w-p*u+r*s)*E,b[11]=(-k*w+l*u-n*s)*E,b[12]=(-g*B+h*z-i*y)*E,b[13]=(c*B-d*z+e*y)*E,b[14]=(-o*v+p*t-q*s)*E,b[15]=(k*v-l*t+m*s)*E,b},g.toRotationMat=function(a,b){return b||(b=g.create()),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3],b[4]=a[4],b[5]=a[5],b[6]=a[6],b[7]=a[7],b[8]=a[8],b[9]=a[9],b[10]=a[10],b[11]=a[11],b[12]=0,b[13]=0,b[14]=0,b[15]=1,b},g.toMat3=function(a,b){return b||(b=f.create()),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[4],b[4]=a[5],b[5]=a[6],b[6]=a[8],b[7]=a[9],b[8]=a[10],b},g.toInverseMat3=function(a,b){var c=a[0],d=a[1],e=a[2],g=a[4],h=a[5],i=a[6],j=a[8],k=a[9],l=a[10],m=l*h-i*k,n=-l*g+i*j,o=k*g-h*j,p=c*m+d*n+e*o;if(!p)return null;var q=1/p;return b||(b=f.create()),b[0]=m*q,b[1]=(-l*d+e*k)*q,b[2]=(i*d-e*h)*q,b[3]=n*q,b[4]=(l*c-e*j)*q,b[5]=(-i*c+e*g)*q,b[6]=o*q,b[7]=(-k*c+d*j)*q,b[8]=(h*c-d*g)*q,b},g.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3],h=a[4],i=a[5],j=a[6],k=a[7],l=a[8],m=a[9],n=a[10],o=a[11],p=a[12],q=a[13],r=a[14],s=a[15],t=b[0],u=b[1],v=b[2],w=b[3],x=b[4],y=b[5],z=b[6],A=b[7],B=b[8],C=b[9],D=b[10],E=b[11],F=b[12],G=b[13],H=b[14],I=b[15];return c[0]=t*d+u*h+v*l+w*p,c[1]=t*e+u*i+v*m+w*q,c[2]=t*f+u*j+v*n+w*r,c[3]=t*g+u*k+v*o+w*s,c[4]=x*d+y*h+z*l+A*p,c[5]=x*e+y*i+z*m+A*q,c[6]=x*f+y*j+z*n+A*r,c[7]=x*g+y*k+z*o+A*s,c[8]=B*d+C*h+D*l+E*p,c[9]=B*e+C*i+D*m+E*q,c[10]=B*f+C*j+D*n+E*r,c[11]=B*g+C*k+D*o+E*s,c[12]=F*d+G*h+H*l+I*p,c[13]=F*e+G*i+H*m+I*q,c[14]=F*f+G*j+H*n+I*r,c[15]=F*g+G*k+H*o+I*s,c},g.multiplyVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2];return c[0]=a[0]*d+a[4]*e+a[8]*f+a[12],c[1]=a[1]*d+a[5]*e+a[9]*f+a[13],c[2]=a[2]*d+a[6]*e+a[10]*f+a[14],c},g.multiplyVec4=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=b[3];return c[0]=a[0]*d+a[4]*e+a[8]*f+a[12]*g,c[1]=a[1]*d+a[5]*e+a[9]*f+a[13]*g,c[2]=a[2]*d+a[6]*e+a[10]*f+a[14]*g,c[3]=a[3]*d+a[7]*e+a[11]*f+a[15]*g,c},g.translate=function(a,b,c){var d=b[0],e=b[1],f=b[2];if(!c||a==c)return a[12]=a[0]*d+a[4]*e+a[8]*f+a[12],a[13]=a[1]*d+a[5]*e+a[9]*f+a[13],a[14]=a[2]*d+a[6]*e+a[10]*f+a[14],a[15]=a[3]*d+a[7]*e+a[11]*f+a[15],a;var g=a[0],h=a[1],i=a[2],j=a[3],k=a[4],l=a[5],m=a[6],n=a[7],o=a[8],p=a[9],q=a[10],r=a[11];return c[0]=g,c[1]=h,c[2]=i,c[3]=j,c[4]=k,c[5]=l,c[6]=m,c[7]=n,c[8]=o,c[9]=p,c[10]=q,c[11]=r,c[12]=g*d+k*e+o*f+a[12],c[13]=h*d+l*e+p*f+a[13],c[14]=i*d+m*e+q*f+a[14],c[15]=j*d+n*e+r*f+a[15],c},g.scale=function(a,b,c){var d=b[0],e=b[1],f=b[2];return c&&a!=c?(c[0]=a[0]*d,c[1]=a[1]*d,c[2]=a[2]*d,c[3]=a[3]*d,c[4]=a[4]*e,c[5]=a[5]*e,c[6]=a[6]*e,c[7]=a[7]*e,c[8]=a[8]*f,c[9]=a[9]*f,c[10]=a[10]*f,c[11]=a[11]*f,c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15],c):(a[0]*=d,a[1]*=d,a[2]*=d,a[3]*=d,a[4]*=e,a[5]*=e,a[6]*=e,a[7]*=e,a[8]*=f,a[9]*=f,a[10]*=f,a[11]*=f,a)},g.rotate=function(a,b,c,d){var e=c[0],f=c[1],g=c[2],h=Math.sqrt(e*e+f*f+g*g);if(!h)return null;1!=h&&(h=1/h,e*=h,f*=h,g*=h);var i=Math.sin(b),j=Math.cos(b),k=1-j,l=a[0],m=a[1],n=a[2],o=a[3],p=a[4],q=a[5],r=a[6],s=a[7],t=a[8],u=a[9],v=a[10],w=a[11],x=e*e*k+j,y=f*e*k+g*i,z=g*e*k-f*i,A=e*f*k-g*i,B=f*f*k+j,C=g*f*k+e*i,D=e*g*k+f*i,E=f*g*k-e*i,F=g*g*k+j;return d?a!=d&&(d[12]=a[12],d[13]=a[13],d[14]=a[14],d[15]=a[15]):d=a,d[0]=l*x+p*y+t*z,d[1]=m*x+q*y+u*z,d[2]=n*x+r*y+v*z,d[3]=o*x+s*y+w*z,d[4]=l*A+p*B+t*C,d[5]=m*A+q*B+u*C,d[6]=n*A+r*B+v*C,d[7]=o*A+s*B+w*C,d[8]=l*D+p*E+t*F,d[9]=m*D+q*E+u*F,d[10]=n*D+r*E+v*F,d[11]=o*D+s*E+w*F,d},g.rotateX=function(a,b,c){var d=Math.sin(b),e=Math.cos(b),f=a[4],g=a[5],h=a[6],i=a[7],j=a[8],k=a[9],l=a[10],m=a[11];return c?a!=c&&(c[0]=a[0],c[1]=a[1],c[2]=a[2],c[3]=a[3],c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15]):c=a,c[4]=f*e+j*d,c[5]=g*e+k*d,c[6]=h*e+l*d,c[7]=i*e+m*d,c[8]=f*-d+j*e,c[9]=g*-d+k*e,c[10]=h*-d+l*e,c[11]=i*-d+m*e,c},g.rotateY=function(a,b,c){var d=Math.sin(b),e=Math.cos(b),f=a[0],g=a[1],h=a[2],i=a[3],j=a[8],k=a[9],l=a[10],m=a[11];return c?a!=c&&(c[4]=a[4],c[5]=a[5],c[6]=a[6],c[7]=a[7],c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15]):c=a,c[0]=f*e+j*-d,c[1]=g*e+k*-d,c[2]=h*e+l*-d,c[3]=i*e+m*-d,c[8]=f*d+j*e,c[9]=g*d+k*e,c[10]=h*d+l*e,c[11]=i*d+m*e,c},g.rotateZ=function(a,b,c){var d=Math.sin(b),e=Math.cos(b),f=a[0],g=a[1],h=a[2],i=a[3],j=a[4],k=a[5],l=a[6],m=a[7];return c?a!=c&&(c[8]=a[8],c[9]=a[9],c[10]=a[10],c[11]=a[11],c[12]=a[12],c[13]=a[13],c[14]=a[14],c[15]=a[15]):c=a,c[0]=f*e+j*d,c[1]=g*e+k*d,c[2]=h*e+l*d,c[3]=i*e+m*d,c[4]=f*-d+j*e,c[5]=g*-d+k*e,c[6]=h*-d+l*e,c[7]=i*-d+m*e,c},g.frustum=function(a,b,c,d,e,f,h){h||(h=g.create());var i=b-a,j=d-c,k=f-e;return h[0]=2*e/i,h[1]=0,h[2]=0,h[3]=0,h[4]=0,h[5]=2*e/j,h[6]=0,h[7]=0,h[8]=(b+a)/i,h[9]=(d+c)/j,h[10]=-(f+e)/k,h[11]=-1,h[12]=0,h[13]=0,h[14]=-(f*e*2)/k,h[15]=0,h},g.perspective=function(a,b,c,d,e){var f=c*Math.tan(a*Math.PI/360),h=f*b;return g.frustum(-h,h,-f,f,c,d,e)},g.ortho=function(a,b,c,d,e,f,h){h||(h=g.create());var i=b-a,j=d-c,k=f-e;return h[0]=2/i,h[1]=0,h[2]=0,h[3]=0,h[4]=0,h[5]=2/j,h[6]=0,h[7]=0,h[8]=0,h[9]=0,h[10]=-2/k,h[11]=0,h[12]=-(a+b)/i,h[13]=-(d+c)/j,h[14]=-(f+e)/k,h[15]=1,h},g.lookAt=function(a,b,c,d){d||(d=g.create());var e=a[0],f=a[1],h=a[2],i=c[0],j=c[1],k=c[2],l=b[0],m=b[1],n=b[2];if(e==l&&f==m&&h==n)return g.identity(d);var o,p,q,r,s,t,u,v,w,x;return o=e-b[0],p=f-b[1],q=h-b[2],x=1/Math.sqrt(o*o+p*p+q*q),o*=x,p*=x,q*=x,r=j*q-k*p,s=k*o-i*q,t=i*p-j*o,x=Math.sqrt(r*r+s*s+t*t),x?(x=1/x,r*=x,s*=x,t*=x):(r=0,s=0,t=0),u=p*t-q*s,v=q*r-o*t,w=o*s-p*r,x=Math.sqrt(u*u+v*v+w*w),x?(x=1/x,u*=x,v*=x,w*=x):(u=0,v=0,w=0),d[0]=r,d[1]=u,d[2]=o,d[3]=0,d[4]=s,d[5]=v,d[6]=p,d[7]=0,d[8]=t,d[9]=w,d[10]=q,d[11]=0,d[12]=-(r*e+s*f+t*h),d[13]=-(u*e+v*f+w*h),d[14]=-(o*e+p*f+q*h),d[15]=1,d},g.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+",\n "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+",\n "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+",\n "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+"]"},quat4={},quat4.create=function(a){var b;return a?(b=new glMatrixArrayType(4),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3]):b=glMatrixArrayType===Array?new glMatrixArrayType([0,0,0,0]):new glMatrixArrayType(4),b},quat4.set=function(a,b){return b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3],b},quat4.calculateW=function(a,b){var c=a[0],d=a[1],e=a[2];return b&&a!=b?(b[0]=c,b[1]=d,b[2]=e,b[3]=-Math.sqrt(Math.abs(1-c*c-d*d-e*e)),b):(a[3]=-Math.sqrt(Math.abs(1-c*c-d*d-e*e)),a)},quat4.inverse=function(a,b){return b&&a!=b?(b[0]=-a[0],b[1]=-a[1],b[2]=-a[2],b[3]=a[3],b):(a[0]*=-1,a[1]*=-1,a[2]*=-1,a)},quat4.length=function(a){var b=a[0],c=a[1],d=a[2],e=a[3];return Math.sqrt(b*b+c*c+d*d+e*e)},quat4.normalize=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],f=a[3],g=Math.sqrt(c*c+d*d+e*e+f*f);return 0==g?(b[0]=0,b[1]=0,b[2]=0,b[3]=0,b):(g=1/g,b[0]=c*g,b[1]=d*g,b[2]=e*g,b[3]=f*g,b)},quat4.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3],h=b[0],i=b[1],j=b[2],k=b[3];return c[0]=d*k+g*h+e*j-f*i,c[1]=e*k+g*i+f*h-d*j,c[2]=f*k+g*j+d*i-e*h,c[3]=g*k-d*h-e*i-f*j,c},quat4.multiplyVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=a[0],h=a[1],i=a[2],j=a[3],k=j*d+h*f-i*e,l=j*e+i*d-g*f,m=j*f+g*e-h*d,n=-g*d-h*e-i*f;return c[0]=k*j+n*-g+l*-i-m*-h,c[1]=l*j+n*-h+m*-g-k*-i,c[2]=m*j+n*-i+k*-h-l*-g,c},quat4.toMat3=function(a,b){b||(b=f.create());var c=a[0],d=a[1],e=a[2],g=a[3],h=c+c,i=d+d,j=e+e,k=c*h,l=c*i,m=c*j,n=d*i,o=d*j,p=e*j,q=g*h,r=g*i,s=g*j;return b[0]=1-(n+p),b[1]=l-s,b[2]=m+r,b[3]=l+s,b[4]=1-(k+p),b[5]=o-q,b[6]=m-r,b[7]=o+q,b[8]=1-(k+n),b},quat4.toMat4=function(a,b){b||(b=g.create());var c=a[0],d=a[1],e=a[2],f=a[3],h=c+c,i=d+d,j=e+e,k=c*h,l=c*i,m=c*j,n=d*i,o=d*j,p=e*j,q=f*h,r=f*i,s=f*j;return b[0]=1-(n+p),b[1]=l-s,b[2]=m+r,b[3]=0,b[4]=l+s,b[5]=1-(k+p),b[6]=o-q,b[7]=0,b[8]=m-r,b[9]=o+q,b[10]=1-(k+n),b[11]=0,b[12]=0,b[13]=0,b[14]=0,b[15]=1,b},quat4.slerp=function(a,b,c,d){d||(d=a);var e=a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3];if(Math.abs(e)>=1)return d!=a&&(d[0]=a[0],d[1]=a[1],d[2]=a[2],d[3]=a[3]),d;var f=Math.acos(e),g=Math.sqrt(1-e*e);if(Math.abs(g)<.001)return d[0]=.5*a[0]+.5*b[0],d[1]=.5*a[1]+.5*b[1],d[2]=.5*a[2]+.5*b[2],d[3]=.5*a[3]+.5*b[3],d;var h=Math.sin((1-c)*f)/g,i=Math.sin(c*f)/g;return d[0]=a[0]*h+b[0]*i,d[1]=a[1]*h+b[1]*i,d[2]=a[2]*h+b[2]*i,d[3]=a[3]*h+b[3]*i,d},quat4.str=function(a){return"["+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+"]"},d("glMatrix",["typedefs"],function(a){return function(){var b;return b||a.glMatrix}}(this)),g.xVec4=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=b[3];return c[0]=a[0]*d+a[1]*e+a[2]*f+a[3]*g,c[1]=a[4]*d+a[5]*e+a[6]*f+a[7]*g,c[2]=a[8]*d+a[9]*e+a[10]*f+a[11]*g,c[3]=a[12]*d+a[13]*e+a[14]*f+a[15]*g,c},f.scale=function(a,b,c){return c&&a!=c?(c=f.create(),c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c[4]=a[4]*b,c[5]=a[5]*b,c[6]=a[6]*b,c[7]=a[7]*b,c[8]=a[8]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[3]*=b,a[4]*=b,a[5]*=b,a[6]*=b,a[7]*=b,a[8]*=b,a)},f.inverse=function(a,b){b||(b=a);var c=a[0],d=a[1],e=a[2],f=a[3],g=a[4],h=a[5],i=a[6],j=a[7],k=a[8],l=1/(c*g*k+d*h*i+e*f*j-e*g*i-d*f*k-c*h*j);return b[0]=(g*k-h*j)*l,b[1]=(e*j-d*k)*l,b[2]=(d*h-e*g)*l,b[3]=(h*i-f*k)*l,b[4]=(c*k-e*i)*l,b[5]=(e*f-c*h)*l,b[6]=(f*j-g*i)*l,b[7]=(d*i-c*j)*l,b[8]=(c*g-d*f)*l,b},f.multiply=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3],h=a[4],i=a[5],j=a[6],k=a[7],l=a[8],m=b[0],n=b[1],o=b[2],p=b[3],q=b[4],r=b[5],s=b[6],t=b[7],u=b[8];return c[0]=d*m+e*p+f*s,c[1]=d*n+e*q+f*t,c[2]=d*o+e*r+f*u,c[3]=g*m+h*p+i*s,c[4]=g*n+h*q+i*t,c[5]=g*o+h*r+i*u,c[6]=j*m+k*p+l*s,c[7]=j*n+k*q+l*t,c[8]=j*o+k*r+l*u,c},f.xVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2];return c[0]=a[0]*d+a[1]*e+a[2]*f,c[1]=a[3]*d+a[4]*e+a[5]*f,c[2]=a[6]*d+a[7]*e+a[8]*f,c};var h={};h.create=function(a){var b;return a?(b=new glMatrixArrayType(4),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3]):b=glMatrixArrayType===Array?new glMatrixArrayType([0,0,0,0]):new glMatrixArrayType(4),b},h.project=function(a,b){return b||(b=a),b[0]=a[0]/a[3],b[1]=a[1]/a[3],b[2]=a[2]/a[3],b},h.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[4]*=b,a)},h.xMat4=function(a,b,c){c||(c=a);var d=a[0],e=a[1],f=a[2],g=a[3];return c[0]=b[0]*d+b[4]*e+b[8]*f+b[12]*g,c[1]=b[1]*d+b[5]*e+b[9]*f+b[13]*g,c[2]=b[2]*d+b[6]*e+b[10]*f+b[14]*g,c[3]=b[3]*d+b[7]*e+b[11]*f+b[15]*g,c};var i={};i.create=function(a){var b;return a?(b=new glMatrixArrayType(4),b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3]):b=glMatrixArrayType===Array?new glMatrixArrayType([0,0,0,0]):new glMatrixArrayType(4),b},i.xVec2=function(a,b,c){c||(c=b);var d=b[0],e=b[1];return c[0]=a[0]*d+a[1]*e,c[1]=a[2]*d+a[3]*e,c},i.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[3]*=b,a)},i.determinant=function(a){return a[0]*a[3]-a[1]*a[2]},i.inverse=function(a){var b=1/i.determinant(a),c=a[3]*b,d=-a[1]*b,e=-a[2]*b,f=a[0];return a[0]=c,a[1]=d,a[2]=e,a[3]=f,a};var j={};j.create=function(a){var b;return a?(b=new glMatrixArrayType(2),b[0]=a[0],b[1]=a[1]):b=glMatrixArrayType===Array?new glMatrixArrayType([0,0]):new glMatrixArrayType(2),b},j.subtract=function(a,b,c){return c&&a!=c?(c[0]=a[0]-b[0],c[1]=a[1]-b[1],c):(a[0]-=b[0],a[1]-=b[1],a)},j.add=function(a,b,c){return c&&a!=c?(c[0]=a[0]+b[0],c[1]=a[1]+b[1],c):(a[0]+=b[0],a[1]+=b[1],a)},j.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c):(a[0]*=b,a[1]*=b,a)},j.normalize=function(a,b){b||(b=a);var c=a[0],d=a[1],e=Math.sqrt(c*c+d*d);return e?1==e?(b[0]=c,b[1]=d,b):(e=1/e,b[0]=c*e,b[1]=d*e,b):(b[0]=0,b[1]=0,b)},j.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]},j.multiply=function(a,b,c){return c||(c=a),c[0]=a[0]*b[0],c[1]=a[1]*b[1],c},j.unproject=function(a){return e.create([a[0],a[1],1])},j.length=function(a){return Math.sqrt(a[0]*a[0]+a[1]*a[1])},j.perspectiveProject=function(a){var b=j.create(a);return j.scale(b,1/a[2])},e.project=function(a){return j.scale(j.create(a),1/a[2])};var k={};k.scale=function(a,b,c){return c&&a!=c?(c[0]=a[0]*b,c[1]=a[1]*b,c[2]=a[2]*b,c[3]=a[3]*b,c[4]=a[4]*b,c[5]=a[5]*b,c):(a[0]*=b,a[1]*=b,a[2]*=b,a[3]*=b,a[4]*=b,a[5]*=b,a)},k.subtract=function(a,b,c){return c&&a!=c?(c[0]=a[0]-b[0],c[1]=a[1]-b[1],c[2]=a[2]-b[2],c[3]=a[3]-b[3],c[4]=a[4]-b[4],c[5]=a[5]-b[5],c):(a[0]-=b[0],a[1]-=b[1],a[2]-=b[2],a[3]-=b[3],a[4]-=b[4],a[5]-=b[5],a)},k.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]+a[4]*b[4]+a[5]*b[5]};var l={};return l.xVec6=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5];return c[0]=a[0]*d+a[1]*e+a[2]*f+a[3]*g+a[4]*h+a[5]*i,c[1]=a[6]*d+a[7]*e+a[8]*f+a[9]*g+a[10]*h+a[11]*i,c[2]=a[12]*d+a[13]*e+a[14]*f+a[15]*g+a[16]*h+a[17]*i,c[3]=a[18]*d+a[19]*e+a[20]*f+a[21]*g+a[22]*h+a[23]*i,c[4]=a[24]*d+a[25]*e+a[26]*f+a[27]*g+a[28]*h+a[29]*i,c[5]=a[30]*d+a[31]*e+a[32]*f+a[33]*g+a[34]*h+a[35]*i,c},f.xVec3=function(a,b,c){c||(c=b);var d=b[0],e=b[1],f=b[2];return c[0]=a[0]*d+a[1]*e+a[2]*f,c[1]=a[3]*d+a[4]*e+a[5]*f,c[2]=a[6]*d+a[7]*e+a[8]*f,c},d("glMatrixAddon",["glMatrix"],function(a){return function(){var b;return b||a.glMatrixAddon}}(this)),d("array_helper",[],function(){"use strict";return{init:function(a,b){for(var c=a.length;c--;)a[c]=b},shuffle:function(a){var b,c,d=a.length-1;for(d;d>=0;d--)b=Math.floor(Math.random()*d),c=a[d],a[d]=a[b],a[b]=c;return a},toPointList:function(a){var b,c,d=[],e=[];for(b=0;b=b&&e.push(a[d]);return e},maxIndex:function(a){var b,c=0;for(b=0;ba[c]&&(c=b);return c},max:function(a){var b,c=0;for(b=0;bc&&(c=a[b]);return c},sum:function(a){for(var b=a.length,c=0;b--;)c+=a[b];return c}}}),d("cv_utils",["cluster","glMatrixAddon","array_helper"],function(a,b,c){"use strict";var d={};return d.imageRef=function(a,b){var c={x:a,y:b,toVec2:function(){return j.create([this.x,this.y])},toVec3:function(){return e.create([this.x,this.y,1])},round:function(){return this.x=this.x>0?Math.floor(this.x+.5):Math.floor(this.x-.5),this.y=this.y>0?Math.floor(this.y+.5):Math.floor(this.y-.5),this}};return c},d.computeIntegralImage2=function(a,b){var c,d,e=a.data,f=a.size.x,g=a.size.y,h=b.data,i=0,j=0,k=0,l=0,m=0;for(k=f,i=0,d=1;g>d;d++)i+=e[j],h[k]+=i,j+=f,k+=f;for(j=0,k=1,i=0,c=1;f>c;c++)i+=e[j],h[k]+=i,j++,k++;for(d=1;g>d;d++)for(j=d*f+1,k=(d-1)*f+1,l=d*f,m=(d-1)*f,c=1;f>c;c++)h[j]+=e[j]+h[k]+h[l]-h[m],j++,k++,l++,m++},d.computeIntegralImage=function(a,b){for(var c=a.data,d=a.size.x,e=a.size.y,f=b.data,g=0,h=0;d>h;h++)g+=c[h],f[h]=g;for(var i=1;e>i;i++){g=0;for(var j=0;d>j;j++)g+=c[i*d+j],f[i*d+j]=g+f[(i-1)*d+j]}},d.thresholdImage=function(a,b,c){c||(c=a);for(var d=a.data,e=d.length,f=c.data;e--;)f[e]=d[e]>e]++;return g},d.sharpenLine=function(a){var b,c,d=a.length,e=a[0],f=a[1];for(b=1;d-1>b;b++)c=a[b+1],a[b-1]=2*f-e-c&255,e=f,f=c;return a},d.determineOtsuThreshold=function(a,b){function e(a,b){var c,d=0;for(c=a;b>=c;c++)d+=h[c];return d}function f(a,b){var c,d=0;for(c=a;b>=c;c++)d+=c*h[c];return d}function g(){var g,i,j,k,l,m,n,o=[0],p=(1<k;k++)g=e(0,k),i=e(k+1,p),j=g*i,0===j&&(j=1),l=f(0,k)*i,m=f(k+1,p)*g,n=l-m,o[k]=n*n/j;return c.maxIndex(o)}b||(b=8);var h,i,j=8-b;return i=g(),i<=e;e++)for(f=0;n>f;f++)m[e*n+f]=0,m[(o-1-e)*n+f]=0;for(e=r;o-r>e;e++)for(f=0;r>=f;f++)m[e*n+f]=0,m[e*n+(n-1-f)]=0;for(e=r+1;o-r-1>e;e++)for(f=r+1;n-r>f;f++)g=p[(e-r-1)*n+(f-r-1)],h=p[(e-r-1)*n+(f+r)],i=p[(e+r)*n+(f-r-1)],j=p[(e+r)*n+(f+r)],q=j-i-h+g,k=q/s,m[e*n+f]=l[e*n+f]>k+5?0:1},d.cluster=function(b,c,d){function e(a){var b=!1;for(g=0;gb.x-j&&a.xb.y-k&&a.yd;d++){for(h=Math.floor(Math.random()*a.length),f=[],i=h,f.push(a[i]);null!==(i=c(i,!0));)f.push(a[i]);if(h>0)for(i=h;null!==(i=c(i,!1));)f.push(a[i]);f.length>g.length&&(g=f)}return g}},d.DILATE=1,d.ERODE=2,d.dilate=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=e>0?1:0},d.erode=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=5===e?1:0},d.subtract=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]-f[d]},d.bitwiseOr=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]||f[d]},d.countNonZero=function(a){for(var b=a.data.length,c=a.data,d=0;b--;)d+=c[b];return d},d.topGeneric=function(a,b,c){var d,e,f,g,h=0,i=0,j=[];for(d=0;b>d;d++)j[d]={score:0,item:null};for(d=0;di)for(f=j[h],f.score=e,f.item=a[d],i=Number.MAX_VALUE,g=0;b>g;g++)j[g].scoref;){for(d=0;h>d;d++)c[i]=Math.floor((.299*a[4*e+0]+.587*a[4*e+1]+.114*a[4*e+2]+(.299*a[4*(e+1)+0]+.587*a[4*(e+1)+1]+.114*a[4*(e+1)+2])+(.299*a[4*f+0]+.587*a[4*f+1]+.114*a[4*f+2])+(.299*a[4*(f+1)+0]+.587*a[4*(f+1)+1]+.114*a[4*(f+1)+2]))/4),i++,e+=2,f+=2;e+=j,f+=j}},d.computeGray=function(a,b,c){var d,e=a.length/4|0,f=c&&c.singleChannel===!0;if(f)for(d=0;e>d;d++)b[d]=a[4*d+0];else for(d=0;e>d;d++)b[d]=Math.floor(.299*a[4*d+0]+.587*a[4*d+1]+.114*a[4*d+2])},d.loadImageArray=function(a,b,c){c||(c=document.createElement("canvas"));var e=new Image;e.callback=b,e.onload=function(){c.width=this.width,c.height=this.height;var a=c.getContext("2d");a.drawImage(this,0,0);var b=new Uint8Array(this.width*this.height);a.drawImage(this,0,0);var e=a.getImageData(0,0,this.width,this.height).data;d.computeGray(e,b),this.callback(b,{x:this.width,y:this.height},this)},e.src=a},d.halfSample=function(a,b){for(var c=a.data,d=a.size.x,e=b.data,f=0,g=d,h=c.length,i=d/2,j=0;h>g;){for(var k=0;i>k;k++)e[j]=Math.floor((c[f]+c[f+1]+c[g]+c[g+1])/4),j++,f+=2,g+=2;f+=d,g+=d}},d.hsv2rgb=function(a,b){var c=a[0],d=a[1],e=a[2],f=e*d,g=f*(1-Math.abs(c/60%2-1)),h=e-f,i=0,j=0,k=0;return b=b||[0,0,0],60>c?(i=f,j=g):120>c?(i=g,j=f):180>c?(j=f,k=g):240>c?(j=g,k=f):300>c?(i=g,k=f):360>c&&(i=f,k=g),b[0]=255*(i+h)|0,b[1]=255*(j+h)|0,b[2]=255*(k+h)|0,b},d._computeDivisors=function(a){var b,c=[],d=[];for(b=1;bb[d]?d++:c++;return e},d.calculatePatchSize=function(a,b){function c(a){for(var b=0,c=a[Math.floor(a.length/2)];b0&&(c=Math.abs(a[b]-m)>Math.abs(a[b-1]-m)?a[b-1]:a[b]),m/ci[k-1]/i[k]?{x:c,y:c}:null}var d,e=this._computeDivisors(b.x),f=this._computeDivisors(b.y),g=Math.max(b.x,b.y),h=this._computeIntersection(e,f),i=[8,10,15,20,32,60,80],j={"x-small":5,small:4,medium:3,large:2,"x-large":1},k=j[a]||j.medium,l=i[k],m=Math.floor(g/l);return d=c(h),d||(d=c(this._computeDivisors(g)),d||(d=c(this._computeDivisors(m*l)))),d},d._parseCSSDimensionValues=function(a){var b={value:parseFloat(a),unit:(a.indexOf("%")===a.length-1,"%")};return b},d._dimensionsConverters={top:function(a,b){return"%"===a.unit?Math.floor(b.height*(a.value/100)):void 0},right:function(a,b){return"%"===a.unit?Math.floor(b.width-b.width*(a.value/100)):void 0},bottom:function(a,b){return"%"===a.unit?Math.floor(b.height-b.height*(a.value/100)):void 0},left:function(a,b){return"%"===a.unit?Math.floor(b.width*(a.value/100)):void 0}},d.computeImageArea=function(a,b,c){var e={width:a,height:b},f=Object.keys(c).reduce(function(a,b){var f=c[b],g=d._parseCSSDimensionValues(f),h=d._dimensionsConverters[b](g,e);return a[b]=h,a},{});return{sx:f.left,sy:f.top,sw:f.right-f.left,sh:f.bottom-f.top}},d}),d("image_wrapper",["subImage","cv_utils","array_helper"],function(a,b,c){"use strict";function d(a,b,d,e){b?this.data=b:d?(this.data=new d(a.x*a.y),d===Array&&e&&c.init(this.data,0)):(this.data=new Uint8Array(a.x*a.y),Uint8Array===Array&&e&&c.init(this.data,0)),this.size=a}return d.prototype.inImageWithBorder=function(a,b){return a.x>=b&&a.y>=b&&a.x=0&&u>=0&&n-1>v&&o-1>w){for(g=s,h=0;m>h;++h,j.add(g,y))for(k=0;l>k;++k,j.add(g,p))b.set(k,h,x(a,g[0],g[1]));return 0}var z=n-1,A=o-1,B=0;for(g=s,h=0;m>h;++h,j.add(g,y))for(k=0;l>k;++k,j.add(g,p))0<=g[0]&&0<=g[1]&&g[0]c;c++)for(d=0;e>d;d++)a.data[d*f+c]=this.data[(b.y+d)*this.size.x+b.x+c]},d.prototype.copyTo=function(a){for(var b=this.data.length,c=this.data,d=a.data;b--;)d[b]=c[b]},d.prototype.get=function(a,b){return this.data[b*this.size.x+a]},d.prototype.getSafe=function(a,b){var c;if(!this.indexMapping){for(this.indexMapping={x:[],y:[]},c=0;ca;a++)d[a]=d[(c-1)*b+a]=0;for(a=1;c-1>a;a++)d[a*b]=d[a*b+(b-1)]=0},d.prototype.invert=function(){for(var a=this.data,b=a.length;b--;)a[b]=a[b]?0:1},d.prototype.convolve=function(a){var b,c,d,e,f=a.length/2|0,g=0;for(c=0;c=e;e++)for(d=-f;f>=d;d++)g+=a[e+f][d+f]*this.getSafe(b+d,c+e);this.data[c*this.size.x+b]=g}},d.prototype.moments=function(a){var b,c,d,e,f,g,h,i,k,l,m,n,o=this.data,p=this.size.y,q=this.size.x,r=[],s=[],t=Math.PI,u=t/4;if(0>=a)return s;for(f=0;a>f;f++)r[f]={m00:0,m01:0,m10:0,m11:0,m02:0,m20:0,theta:0,rad:0};for(c=0;p>c;c++)for(e=c*c,b=0;q>b;b++)d=o[c*q+b],d>0&&(g=r[d-1],g.m00+=1,g.m01+=c,g.m10+=b,g.m11+=b*c,g.m02+=e,g.m20+=b*b);for(f=0;a>f;f++)g=r[f],isNaN(g.m00)||0===g.m00||(l=g.m10/g.m00,m=g.m01/g.m00,h=g.m11/g.m00-l*m,i=g.m02/g.m00-m*m,k=g.m20/g.m00-l*l,n=(i-k)/(2*h),n=.5*Math.atan(n)+(h>=0?u:-u)+t,g.theta=(180*n/t+90)%180-90,g.theta<0&&(g.theta+=180),g.rad=n>t?n-t:n,g.vec=j.create([Math.cos(n),Math.sin(n)]),s.push(g));return s},d.prototype.show=function(a,b){var c,d,e,f,g,h,i;for(b||(b=1),c=a.getContext("2d"),a.width=this.size.x,a.height=this.size.y,d=c.getImageData(0,0,a.width,a.height),e=d.data,f=0,i=0;ic||c>360)&&(c=360);for(var e=[0,1,1],f=[0,0,0],g=[255,255,255],h=[0,0,0],i=[],j=a.getContext("2d"),k=j.getImageData(d.x,d.y,this.size.x,this.size.y),l=k.data,m=this.data.length;m--;)e[0]=this.data[m]*c,i=e[0]<=0?g:e[0]>=360?h:b.hsv2rgb(e,f),l[4*m+0]=i[0],l[4*m+1]=i[1],l[4*m+2]=i[2],l[4*m+3]=255;j.putImageData(k,d.x,d.y)},d}),d("tracer",[],function(){"use strict";var a={searchDirections:[[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1],[-1,0],[-1,1]],create:function(a,b){function c(a,b,c,d){var e,k,l;for(e=0;7>e;e++){if(k=a.cy+i[a.dir][0],l=a.cx+i[a.dir][1],f=k*j+l,g[f]===b&&(0===h[f]||h[f]===c))return h[f]=c,a.cy=k,a.cx=l,!0;0===h[f]&&(h[f]=d),a.dir=(a.dir+1)%8}return!1}function d(a,b,c){return{dir:c,x:a,y:b,next:null,prev:null}}function e(a,b,e,f,g){var h,i,j,k=null,l={cx:b,cy:a,dir:0};if(c(l,f,e,g)){k=d(b,a,l.dir),h=k,j=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i;do l.dir=(l.dir+6)%8,c(l,f,e,g),j!=l.dir?(h.dir=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i):(h.dir=j,h.x=l.cx,h.y=l.cy),j=l.dir;while(l.cx!=b||l.cy!=a);k.prev=h.prev,h.prev.next=k}return k}var f,g=a.data,h=b.data,i=this.searchDirections,j=a.size.x;return{trace:function(a,b,d,e){return c(a,b,d,e)},contourTracing:function(a,b,c,d,f){return e(a,b,c,d,f)}}}};return a}),d("rasterizer",["tracer"],function(a){"use strict";var b={createContour2D:function(){return{dir:null,index:null,firstVertex:null,insideContours:null,nextpeer:null,prevpeer:null}},CONTOUR_DIR:{CW_DIR:0,CCW_DIR:1,UNKNOWN_DIR:2},DIR:{OUTSIDE_EDGE:-32767,INSIDE_EDGE:-32766},create:function(c,d){var e=c.data,f=d.data,g=c.size.x,h=c.size.y,i=a.create(c,d);return{rasterize:function(a){var c,d,j,k,l,m,n,o,p,q,r,s,t=[],u=0;for(s=0;400>s;s++)t[s]=0;for(t[0]=e[0],p=null,m=1;h-1>m;m++)for(k=0,d=t[0],l=1;g-1>l;l++)if(r=m*g+l,0===f[r])if(c=e[r],c!==d){if(0===k)j=u+1,t[j]=c,d=c,n=i.contourTracing(m,l,j,c,b.DIR.OUTSIDE_EDGE),null!==n&&(u++,k=j,o=b.createContour2D(),o.dir=b.CONTOUR_DIR.CW_DIR,o.index=k,o.firstVertex=n,o.nextpeer=p,o.insideContours=null,null!==p&&(p.prevpeer=o),p=o);else if(n=i.contourTracing(m,l,b.DIR.INSIDE_EDGE,c,k),null!==n){for(o=b.createContour2D(),o.firstVertex=n,o.insideContours=null,0===a?o.dir=b.CONTOUR_DIR.CCW_DIR:o.dir=b.CONTOUR_DIR.CW_DIR,o.index=a,q=p;null!==q&&q.index!==k;)q=q.nextpeer;null!==q&&(o.nextpeer=q.insideContours,null!==q.insideContours&&(q.insideContours.prevpeer=o),q.insideContours=o)}}else f[r]=k;else f[r]===b.DIR.OUTSIDE_EDGE||f[r]===b.DIR.INSIDE_EDGE?(k=0,d=f[r]===b.DIR.INSIDE_EDGE?e[r]:t[0]):(k=f[r],d=t[k]);for(q=p;null!==q;)q.index=a,q=q.nextpeer;return{cc:p,count:u}},debug:{drawContour:function(a,c){var d,e,f,g=a.getContext("2d"),h=c;for(g.strokeStyle="red",g.fillStyle="red",g.lineWidth=1,d=null!==h?h.insideContours:null;null!==h;){switch(null!==d?(e=d,d=d.nextpeer):(e=h,h=h.nextpeer,d=null!==h?h.insideContours:null),e.dir){case b.CONTOUR_DIR.CW_DIR:g.strokeStyle="red";break;case b.CONTOUR_DIR.CCW_DIR:g.strokeStyle="blue";break;case b.CONTOUR_DIR.UNKNOWN_DIR:g.strokeStyle="green"}f=e.firstVertex,g.beginPath(),g.moveTo(f.x,f.y);do f=f.next,g.lineTo(f.x,f.y);while(f!==e.firstVertex);g.stroke()}}}}}};return b}),d("skeletonizer",[],function(){"use strict";function a(stdlib, foreign, buffer) {"use asm";var images=new stdlib.Uint8Array(buffer),size=foreign.size|0,imul=stdlib.Math.imul;function erode(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0) == (5|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function subtract(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0) - (images[(bImagePtr+length)|0]|0))|0;}}function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0)|(images[(bImagePtr+length)|0]|0))|0;}}function countNonZero(imagePtr) {imagePtr=imagePtr|0;var sum=0,length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;sum=((sum|0)+(images[(imagePtr+length)|0]|0))|0;}return (sum|0);}function init(imagePtr, value) {imagePtr=imagePtr|0;value=value|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(imagePtr+length)|0]=value;}}function dilate(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0)>(0|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function memcpy(srcImagePtr, dstImagePtr) {srcImagePtr=srcImagePtr|0;dstImagePtr=dstImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(dstImagePtr+length)|0]=(images[(srcImagePtr+length)|0]|0);}}function zeroBorder(imagePtr) {imagePtr=imagePtr|0;var x=0,y=0;for ( x=0; (x|0)<((size - 1)|0); x=(x+1)|0) {images[(imagePtr+x)|0]=0;images[(imagePtr+y)|0]=0;y=((y+size) - 1)|0;images[(imagePtr+y)|0]=0;y=(y+1)|0;}for ( x=0; (x|0)<(size|0); x=(x+1)|0) {images[(imagePtr+y)|0]=0;y=(y+1)|0;}}function skeletonize() {var subImagePtr=0,erodedImagePtr=0,tempImagePtr=0,skelImagePtr=0,sum=0,done=0;erodedImagePtr=imul(size, size)|0;tempImagePtr=(erodedImagePtr+erodedImagePtr)|0;skelImagePtr=(tempImagePtr+erodedImagePtr)|0;init(skelImagePtr, 0);zeroBorder(subImagePtr);do {erode(subImagePtr, erodedImagePtr);dilate(erodedImagePtr, tempImagePtr);subtract(subImagePtr, tempImagePtr, tempImagePtr);bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr);memcpy(erodedImagePtr, subImagePtr);sum=countNonZero(subImagePtr)|0;done=((sum|0) == 0|0);} while(!done);}return {skeletonize : skeletonize};}
-return a}),d("image_debug",[],function(){"use strict";return{drawRect:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=1,c.beginPath(),c.strokeRect(a.x,a.y,b.x,b.y)},drawPath:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=d.lineWidth,c.beginPath(),c.moveTo(a[0][b.x],a[0][b.y]);for(var e=1;eb&&(b+=180),b=(180-b)*Math.PI/180,f=i.create([Math.cos(b),-Math.sin(b),Math.sin(b),Math.cos(b)]),c=0;cd;d++)i.xVec2(f,e.box[d]);u.boxFromPatches.showTransformed&&g.drawPath(e.box,{x:0,y:1},G.ctx.binary,{color:"#99ff00",lineWidth:2})}for(c=0;cd;d++)e.box[d][0]n&&(n=e.box[d][0]),e.box[d][1]o&&(o=e.box[d][1]);for(h=[[l,m],[n,m],[n,o],[l,o]],u.boxFromPatches.showTransformedBox&&g.drawPath(h,{x:0,y:1},G.ctx.binary,{color:"#ff0000",lineWidth:2}),k=u.halfSample?2:1,f=i.inverse(f),d=0;4>d;d++)i.xVec2(f,h[d]);for(u.boxFromPatches.showBB&&g.drawPath(h,{x:0,y:1},G.ctx.binary,{color:"#ff0000",lineWidth:2}),d=0;4>d;d++)j.scale(h[d],k);return h}function m(){b.otsuThreshold(v,C),C.zeroBorder(),u.showCanvas&&C.show(G.dom.binary,255)}function n(){var a,b,d,e,h,i,j,k,l=[];for(a=0;ab;b++)d.push(0);for(c=A.data.length;c--;)A.data[c]>0&&d[A.data[c]-1]++;return d=d.map(function(a,b){return{val:a,label:b+1}}),d.sort(function(a,b){return b.val-a.val}),e=d.filter(function(a){return a.val>=5})}function p(a,c){var d,e,f,h,i,j=[],k=[],m=[0,1,1],n=[0,0,0];for(d=0;d=2){for(e=0;em&&k.push(a[e]);if(k.length>=2){for(i=k.length,g=q(k),f=0,e=0;e1&&g.length>=k.length/4*3&&g.length>a.length/4&&(f/=g.length,h={index:b[1]*H.x+b[0],pos:{x:c,y:d},box:[j.create([c,d]),j.create([c+x.size.x,d]),j.create([c+x.size.x,d+x.size.y]),j.create([c,d+x.size.y])],moments:g,rad:f,vec:j.create([Math.cos(f),Math.sin(f)])},l.push(h))}}return l}function t(a){function c(){var a;for(a=0;al&&e(h))):A.data[h]=Number.MAX_VALUE}var h,i,k=0,l=.95,m=0,n=[0,1,1],o=[0,0,0];for(f.init(z.data,0),f.init(A.data,0),f.init(B.data,null),h=0;h0&&A.data[h]<=k&&(i=B.data[h],n[0]=A.data[h]/(k+1)*360,b.hsv2rgb(n,o),g.drawRect(i.pos,x.size,G.ctx.binary,{color:"rgb("+o.join(",")+")",lineWidth:2}));return k}var u,v,w,x,y,z,A,B,C,D,E,F,G={ctx:{binary:null},dom:{binary:null}},H={x:0,y:0},I=this;return{init:function(a,b){u=b,E=a,h(),k()},locate:function(){var a,c,d;if(u.halfSample&&b.halfSample(E,v),m(),a=n(),a.lengthe?null:(c=o(e),0===c.length?null:d=p(c,e))},checkImageConstraints:function(a,c){var d,e,f,g=a.getWidth(),h=a.getHeight(),i=c.halfSample?.5:1;if(a.getConfig().area&&(f=b.computeImageArea(g,h,a.getConfig().area),a.setTopRight({x:f.sx,y:f.sy}),a.setCanvasSize({x:g,y:h}),g=f.sw,h=f.sh),e={x:Math.floor(g*i),y:Math.floor(h*i)},d=b.calculatePatchSize(c.patchSize,e),console.log("Patch-Size: "+JSON.stringify(d)),a.setWidth(Math.floor(Math.floor(e.x/d.x)*(1/i)*d.x)),a.setHeight(Math.floor(Math.floor(e.y/d.y)*(1/i)*d.y)),a.getWidth()%d.x===0&&a.getHeight()%d.y===0)return!0;throw new Error("Image dimensions do not comply with the current settings: Width ("+g+" )and height ("+h+") must a multiple of "+d.x)}}}),d("bresenham",["cv_utils","image_wrapper"],function(a,b){"use strict";var c={},d={DIR:{UP:1,DOWN:-1}};return c.getBarcodeLine=function(a,b,c){function d(a,b){l=s[b*t+a],u+=l,v=v>l?l:v,w=l>w?l:w,r.push(l)}var e,f,g,h,i,j,k,l,m=0|b.x,n=0|b.y,o=0|c.x,p=0|c.y,q=Math.abs(p-n)>Math.abs(o-m),r=[],s=a.data,t=a.size.x,u=0,v=255,w=0;for(q&&(j=m,m=n,n=j,j=o,o=p,p=j),m>o&&(j=m,m=o,o=j,j=n,n=p,p=j),e=o-m,f=Math.abs(p-n),g=e/2|0,i=n,h=p>n?1:-1,k=m;o>k;k++)q?d(i,k):d(k,i),g-=f,0>g&&(i+=h,g+=e);return{line:r,min:v,max:w}},c.toOtsuBinaryLine=function(c){var d=c.line,e=new b({x:d.length-1,y:1},d),f=a.determineOtsuThreshold(e,5);return d=a.sharpenLine(d),a.thresholdImage(e,f),{line:d,threshold:f}},c.toBinaryLine=function(a){var b,c,e,f,g,h,i=a.min,j=a.max,k=a.line,l=i+(j-i)/2,m=[],n=(j-i)/12,o=-n;for(e=k[0]>l?d.DIR.UP:d.DIR.DOWN,m.push({pos:0,val:k[0]}),g=0;gb+c&&k[g+1]<1.5*l?d.DIR.DOWN:b+c>n&&k[g+1]>.5*l?d.DIR.UP:e,e!==f&&(m.push({pos:g,val:k[g]}),e=f);for(m.push({pos:k.length,val:k[k.length-1]}),h=m[0].pos;hl?0:1;for(g=1;gm[g].val?m[g].val+(m[g+1].val-m[g].val)/3*2|0:m[g+1].val+(m[g].val-m[g+1].val)/3|0,h=m[g].pos;hn?0:1;return{line:k,threshold:n}},c.debug={printFrequency:function(a,b){var c,d=b.getContext("2d");for(b.width=a.length,b.height=256,d.beginPath(),d.strokeStyle="blue",c=0;cg)return Number.MAX_VALUE;d+=e}return d/f},a.prototype._nextSet=function(a,b){var c;for(b=b||0,c=b;c1)for(c=0;cd?(j.start=c-g,j.end=c,j.counter=e,j):null;i++,e[i]=1,h=!h}}else for(e.push(0),c=g;ca?0:a,d=a;b>d;d++)if(this._row[d]!==c)return!1;return!0},a.prototype._fillCounters=function(a,b,c){var d,e=this,f=0,g=[];for(c="undefined"!=typeof c?c:!0,a="undefined"!=typeof a?a:e._nextUnset(e._row),b=b||e._row.length,g[f]=0,d=a;b>d;d++)e._row[d]^c?g[f]++:(f++,g[f]=1,c=!c);return g},Object.defineProperty(a.prototype,"FORMAT",{value:"unknown",writeable:!1}),a.DIRECTION={FORWARD:1,REVERSE:-1},a.Exception={StartNotFoundException:"Start-Info was not found!",CodeNotFoundException:"Code could not be found!",PatternNotFoundException:"Pattern could not be found!"},a.CONFIG_KEYS={},a}),d("code_128_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_SHIFT:{value:98},CODE_C:{value:99},CODE_B:{value:100},CODE_A:{value:101},START_CODE_A:{value:103},START_CODE_B:{value:104},START_CODE_C:{value:105},STOP_CODE:{value:106},MODULO:{value:11},CODE_PATTERN:{value:[[2,1,2,2,2,2],[2,2,2,1,2,2],[2,2,2,2,2,1],[1,2,1,2,2,3],[1,2,1,3,2,2],[1,3,1,2,2,2],[1,2,2,2,1,3],[1,2,2,3,1,2],[1,3,2,2,1,2],[2,2,1,2,1,3],[2,2,1,3,1,2],[2,3,1,2,1,2],[1,1,2,2,3,2],[1,2,2,1,3,2],[1,2,2,2,3,1],[1,1,3,2,2,2],[1,2,3,1,2,2],[1,2,3,2,2,1],[2,2,3,2,1,1],[2,2,1,1,3,2],[2,2,1,2,3,1],[2,1,3,2,1,2],[2,2,3,1,1,2],[3,1,2,1,3,1],[3,1,1,2,2,2],[3,2,1,1,2,2],[3,2,1,2,2,1],[3,1,2,2,1,2],[3,2,2,1,1,2],[3,2,2,2,1,1],[2,1,2,1,2,3],[2,1,2,3,2,1],[2,3,2,1,2,1],[1,1,1,3,2,3],[1,3,1,1,2,3],[1,3,1,3,2,1],[1,1,2,3,1,3],[1,3,2,1,1,3],[1,3,2,3,1,1],[2,1,1,3,1,3],[2,3,1,1,1,3],[2,3,1,3,1,1],[1,1,2,1,3,3],[1,1,2,3,3,1],[1,3,2,1,3,1],[1,1,3,1,2,3],[1,1,3,3,2,1],[1,3,3,1,2,1],[3,1,3,1,2,1],[2,1,1,3,3,1],[2,3,1,1,3,1],[2,1,3,1,1,3],[2,1,3,3,1,1],[2,1,3,1,3,1],[3,1,1,1,2,3],[3,1,1,3,2,1],[3,3,1,1,2,1],[3,1,2,1,1,3],[3,1,2,3,1,1],[3,3,2,1,1,1],[3,1,4,1,1,1],[2,2,1,4,1,1],[4,3,1,1,1,1],[1,1,1,2,2,4],[1,1,1,4,2,2],[1,2,1,1,2,4],[1,2,1,4,2,1],[1,4,1,1,2,2],[1,4,1,2,2,1],[1,1,2,2,1,4],[1,1,2,4,1,2],[1,2,2,1,1,4],[1,2,2,4,1,1],[1,4,2,1,1,2],[1,4,2,2,1,1],[2,4,1,2,1,1],[2,2,1,1,1,4],[4,1,3,1,1,1],[2,4,1,1,1,2],[1,3,4,1,1,1],[1,1,1,2,4,2],[1,2,1,1,4,2],[1,2,1,2,4,1],[1,1,4,2,1,2],[1,2,4,1,1,2],[1,2,4,2,1,1],[4,1,1,2,1,2],[4,2,1,1,1,2],[4,2,1,2,1,1],[2,1,2,1,4,1],[2,1,4,1,2,1],[4,1,2,1,2,1],[1,1,1,1,4,3],[1,1,1,3,4,1],[1,3,1,1,4,1],[1,1,4,1,1,3],[1,1,4,3,1,1],[4,1,1,1,1,3],[4,1,1,3,1,1],[1,1,3,1,4,1],[1,1,4,1,3,1],[3,1,1,1,4,1],[4,1,1,1,3,1],[2,1,1,4,1,2],[2,1,1,2,1,4],[2,1,1,2,3,2],[2,3,3,1,1,1,2]]},SINGLE_CODE_ERROR:{value:1},AVG_CODE_ERROR:{value:.5},FORMAT:{value:"code_128",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodeCode=function(a){var b,c,d,e,f=[0,0,0,0,0,0],g=this,h=a,i=!g._row[h],j=0,k={error:Number.MAX_VALUE,code:-1,start:a,end:a};for(b=h;bd;d++)g[d]=g[d+2];g[4]=0,g[5]=0,k--}else k++;g[k]=1,j=!j}return null},b.prototype._decode=function(){var a,b,c,d=this,e=d._findStart(),f=null,g=!1,h=[],i=0,j=0,k=[],l=[],m=!1;if(null===e)return null;switch(f={code:e.code,start:e.start,end:e.end},l.push(f),j=f.code,f.code){case d.START_CODE_A:a=d.CODE_A;break;case d.START_CODE_B:a=d.CODE_B;break;case d.START_CODE_C:a=d.CODE_C;break;default:return null}for(;!g;){if(b=m,m=!1,f=d._decodeCode(f.end),null!==f)switch(f.code!==d.STOP_CODE&&(k.push(f.code),i++,j+=i*f.code),l.push(f),a){case d.CODE_A:if(f.code<64)h.push(String.fromCharCode(32+f.code));else if(f.code<96)h.push(String.fromCharCode(f.code-64));else switch(f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_B;break;case d.CODE_B:a=d.CODE_B;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_B:if(f.code<96)h.push(String.fromCharCode(32+f.code));else switch(f.code!=d.STOP_CODE&&(c=!1),f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_A;break;case d.CODE_A:a=d.CODE_A;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_C:switch(f.code<100&&h.push(f.code<10?"0"+f.code:f.code),f.code){case d.CODE_A:a=d.CODE_A;break;case d.CODE_B:a=d.CODE_B;break;case d.STOP_CODE:g=!0}}else g=!0;b&&(a=a==d.CODE_A?d.CODE_B:d.CODE_A)}return null===f?null:(f.end=d._nextUnset(d._row,f.end),d._verifyTrailingWhitespace(f)?(j-=i*k[k.length-1],j%103!=k[k.length-1]?null:h.length?(h.splice(h.length-1,1),{code:h.join(""),start:e.start,end:f.end,codeset:a,startInfo:e,decodedCodes:l,endInfo:f}):null):null)},a.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bd;d++)e=h._matchPattern(f,h.CODE_PATTERN[d]),eh.AVG_CODE_ERROR?null:l}}else k++;g[k]=1,j=!j}return null},b.prototype._findPattern=function(a,b,c,d,e){var f,g,h,i,j,k=[],l=this,m=0,n={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(b||(b=l._nextSet(l._row)),void 0===c&&(c=!1),void 0===d&&(d=!0),void 0===e&&(e=l.AVG_CODE_ERROR),f=0;fg))return n.error=g,n.start=f-i,n.end=f,n;if(!d)return null;for(h=0;h=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start),bd;d++){if(a=f._decodeCode(a.end),!a)return null;a.code>=f.CODE_G_START?(a.code=a.code-f.CODE_G_START,g|=1<<5-d):g|=0<<5-d,b.push(a.code),c.push(a)}if(e=f._calculateFirstDigit(g),null===e)return null;if(b.unshift(e),a=f._findPattern(f.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;6>d;d++){if(a=f._decodeCode(a.end,f.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b.prototype._decode=function(){var a,b,c=this,d=[],e=[];return(a=c._findStart())?(b={code:a.code,start:a.start,end:a.end},e.push(b),(b=c._decodePayload(b,d,e))&&(b=c._findEnd(b.end,!1))?(e.push(b),c._checksum(d)?{code:d.join(""),start:a.start,end:b.end,codeset:"",startInfo:a,decodedCodes:e}:null):null):null},b.prototype._checksum=function(a){var b,c=0;for(b=a.length-2;b>=0;b-=2)c+=a[b];for(c*=3,b=a.length-1;b>=0;b-=2)c+=a[b];return c%10===0},b}),d("code_39_reader",["./barcode_reader","./array_helper"],function(a,b){"use strict";function c(){a.call(this)}var d={ALPHABETH_STRING:{value:"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,45,46,32,42,36,47,43,37]},CHARACTER_ENCODINGS:{value:[52,289,97,352,49,304,112,37,292,100,265,73,328,25,280,88,13,268,76,28,259,67,322,19,274,82,7,262,70,22,385,193,448,145,400,208,133,388,196,148,168,162,138,42]},ASTERISK:{value:148},FORMAT:{value:"code_39",writeable:!1}};return c.prototype=Object.create(a.prototype,d),c.prototype.constructor=c,c.prototype._toCounters=function(a,c){var d,e=this,f=c.length,g=e._row.length,h=!e._row[a],i=0;for(b.init(c,0),d=a;g>d;d++)if(e._row[d]^h)c[i]++;else{if(i++,i===f)break;c[i]=1,h=!h}return c},c.prototype._decode=function(){var a,c,d,e,f=this,g=[0,0,0,0,0,0,0,0,0],h=[],i=f._findStart();if(!i)return null;e=f._nextSet(f._row,i.end);do{if(g=f._toCounters(e,g),d=f._toPattern(g),0>d)return null;if(a=f._patternToChar(d),0>a)return null;h.push(a),c=e,e+=b.sum(g),e=f._nextSet(f._row,e)}while("*"!==a);return h.pop(),h.length&&f._verifyTrailingWhitespace(c,e,g)?{code:h.join(""),start:i.start,end:e,startInfo:i,decodedCodes:h}:null},c.prototype._verifyTrailingWhitespace=function(a,c,d){var e,f=b.sum(d);return e=c-a-f,3*e>=f?!0:!1},c.prototype._patternToChar=function(a){var b,c=this;for(b=0;bb&&(d=a[c]);return d},c.prototype._toPattern=function(a){for(var b,c,d=a.length,e=0,f=d,g=0,h=this;f>3;){for(e=h._findNextWidth(a,e),f=0,b=0,c=0;d>c;c++)a[c]>e&&(b|=1<c&&f>0;c++)if(a[c]>e&&(f--,2*a[c]>=g))return-1;return b}}return-1},c.prototype._findStart=function(){var a,b,c,d=this,e=d._nextSet(d._row),f=e,g=[0,0,0,0,0,0,0,0,0],h=0,i=!1;for(a=e;ab;b++)g[b]=g[b+2];g[7]=0,g[8]=0,h--}else h++;g[h]=1,i=!i}return null},c}),d("code_39_vin_reader",["./code_39_reader"],function(a){"use strict";function b(){a.call(this)}var c={IOQ:/[IOQ]/g,AZ09:/[A-Z0-9]{17}/};return b.prototype=Object.create(a.prototype),b.prototype.constructor=b,b.prototype._decode=function(){var b=a.prototype._decode.apply(this);if(!b)return null;var d=b.code;if(d)return d=d.replace(c.IOQ,""),d.match(c.AZ09)?this._checkChecksum(d)?(b.code=d,b):null:(console.log("Failed AZ09 pattern code:",d),null)},b.prototype._checkChecksum=function(a){return!!a},b}),d("codabar_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this),this._counters=[]}var c={ALPHABETH_STRING:{value:"0123456789-$:/.+ABCD"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,45,36,58,47,46,43,65,66,67,68]},CHARACTER_ENCODINGS:{value:[3,6,9,96,18,66,33,36,48,72,12,24,69,81,84,21,26,41,11,14]},START_END:{value:[26,41,11,14]},MIN_ENCODED_CHARS:{value:4},MAX_ACCEPTABLE:{value:2},PADDING:{value:1.5},FORMAT:{value:"codabar",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decode=function(){var a,b,c,d,e,f=this,g=[];if(this._counters=f._fillCounters(),a=f._findStart(),!a)return null;d=a.startCounter;do{if(c=f._toPattern(d),0>c)return null;if(b=f._patternToChar(c),0>b)return null;if(g.push(b),d+=8,g.length>1&&f._isStartEnd(c))break}while(df._counters.length?f._counters.length:d,e=a.start+f._sumCounters(a.startCounter,d-8),{code:g.join(""),start:a.start,end:e,startInfo:a,decodedCodes:g}):null},b.prototype._verifyWhitespace=function(a,b){return(0>=a-1||this._counters[a-1]>=this._calculatePatternLength(a)/2)&&(b+8>=this._counters.length||this._counters[b+7]>=this._calculatePatternLength(b)/2)?!0:!1},b.prototype._calculatePatternLength=function(a){var b,c=0;for(b=a;a+7>b;b++)c+=this._counters[b];return c},b.prototype._thresholdResultPattern=function(a,b){var c,d,e,f,g,h=this,i={space:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}},bar:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}}},j=b;for(e=0;e=0;f--)c=2===(1&f)?i.bar:i.space,d=1===(1&g)?c.wide:c.narrow,d.size+=h._counters[j+f],d.counts++,g>>=1;j+=8}return["space","bar"].forEach(function(a){var b=i[a];b.wide.min=Math.floor((b.narrow.size/b.narrow.counts+b.wide.size/b.wide.counts)/2),b.narrow.max=Math.ceil(b.wide.min),b.wide.max=Math.ceil((b.wide.size*h.MAX_ACCEPTABLE+h.PADDING)/b.wide.counts)}),i},b.prototype._charToPattern=function(a){var b,c=this,d=a.charCodeAt(0);for(b=0;b=0;d--){if(e=0===(1&d)?j.bar:j.space,f=1===(1&h)?e.wide:e.narrow,g=i._counters[k+d],gf.max)return!1;h>>=1}k+=8}return!0},b.prototype._patternToChar=function(a){var b,c=this;for(b=0;bc;c+=2)d=this._counters[c],d>f&&(f=d),e>d&&(e=d);return(e+f)/2|0},b.prototype._toPattern=function(a){var b,c,d,e,f=7,g=a+f,h=1<this._counters.length)return-1;for(b=this._computeAlternatingThreshold(a,g),c=this._computeAlternatingThreshold(a+1,g),d=0;f>d;d++)e=0===(1&d)?b:c,this._counters[a+d]>e&&(i|=h),h>>=1;return i},b.prototype._isStartEnd=function(a){var b;for(b=0;bc;c++)d+=this._counters[c];return d},b.prototype._findStart=function(){var a,b,c,d=this,e=d._nextUnset(d._row);for(a=1;ad;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;b.push(a.code),c.push(a)}if(a=e._findPattern(e.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;4>d;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b}),d("upc_e_reader",["./ean_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_FREQUENCY:{value:[[56,52,50,49,44,38,35,42,41,37],[7,11,13,14,19,25,28,21,22,26]]},STOP_PATTERN:{value:[1/6*7,1/6*7,1/6*7,1/6*7,1/6*7,1/6*7]},FORMAT:{value:"upc_e",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodePayload=function(a,b,c){var d,e=this,f=0;for(d=0;6>d;d++){if(a=e._decodeCode(a.end),!a)return null;a.code>=e.CODE_G_START&&(a.code=a.code-e.CODE_G_START,f|=1<<5-d),b.push(a.code),c.push(a)}return e._determineParity(f,b)?a:null},b.prototype._determineParity=function(a,b){var c,d,e=this;for(d=0;d=c?b.concat(a.slice(1,3)).concat([c,0,0,0,0]).concat(a.slice(3,6)):3===c?b.concat(a.slice(1,4)).concat([0,0,0,0,0]).concat(a.slice(4,6)):4===c?b.concat(a.slice(1,5)).concat([0,0,0,0,0,a[5]]):b.concat(a.slice(1,6)).concat([0,0,0,0,c]),b.push(a[a.length-1]),b},b.prototype._checksum=function(b){return a.prototype._checksum.call(this,this._convertToUPCA(b))},b.prototype._findEnd=function(b,c){return c=!0,a.prototype._findEnd.call(this,b,c)},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bf))return m.error=f,m.start=e-h,m.end=e,m;if(!d)return null;for(g=0;g=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},c.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bg;){for(d=0;5>d;d++)i[0][d]=a[g]*this.barSpaceRatio[0],i[1][d]=a[g+1]*this.barSpaceRatio[1],g+=2;if(e=f._decodePair(i),!e)return 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c.drawBoundingBox&&l&&b.drawPath(a,{x:0,y:1},l,{color:"blue",lineWidth:2}),d=i(a),g=m(d),e=Math.atan2(d[1].y-d[0].y,d[1].x-d[0].x),d=h(d,e,Math.floor(.1*g)),null===d?null:(f=j(d),null===f&&(f=k(a,d,e)),null===f?null:(f&&c.drawScanline&&l&&b.drawPath(d,{x:"x",y:"y"},l,{color:"red",lineWidth:3}),{codeResult:f.codeResult,line:d,angle:e,pattern:f.barcodeLine.line,threshold:f.barcodeLine.threshold}))}var o={ctx:{frequency:null,pattern:null,overlay:null},dom:{frequency:null,pattern:null,overlay:null}},p=[];return e(),f(),g(),{decodeFromBoundingBox:function(a){return n(a)},decodeFromBoundingBoxes:function(a){var b,c;for(b=0;b0?a.videoWidth>0&&a.videoHeight>0?(console.log(a.videoWidth+"px x "+a.videoHeight+"px"),b()):window.setTimeout(c,500):b("Unable to play video stream. 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g,i,j,k,l,m,n,o=[0],p=(1<k;k++)g=e(0,k),i=e(k+1,p),j=g*i,0===j&&(j=1),l=f(0,k)*i,m=f(k+1,p)*g,n=l-m,o[k]=n*n/j;return b.maxIndex(o)}c||(c=8);var h,i,j=8-c;return i=g(),i<=e;e++)for(f=0;n>f;f++)m[e*n+f]=0,m[(o-1-e)*n+f]=0;for(e=r;o-r>e;e++)for(f=0;r>=f;f++)m[e*n+f]=0,m[e*n+(n-1-f)]=0;for(e=r+1;o-r-1>e;e++)for(f=r+1;n-r>f;f++)g=p[(e-r-1)*n+(f-r-1)],h=p[(e-r-1)*n+(f+r)],i=p[(e+r)*n+(f-r-1)],j=p[(e+r)*n+(f+r)],q=j-i-h+g,k=q/s,m[e*n+f]=l[e*n+f]>k+5?0:1},d.cluster=function(b,c,d){function e(a){var b=!1;for(g=0;gb.x-j&&a.xb.y-k&&a.yd;d++){for(h=Math.floor(Math.random()*a.length),f=[],i=h,f.push(a[i]);null!==(i=c(i,!0));)f.push(a[i]);if(h>0)for(i=h;null!==(i=c(i,!1));)f.push(a[i]);f.length>g.length&&(g=f)}return g}},d.DILATE=1,d.ERODE=2,d.dilate=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=e>0?1:0},d.erode=function(a,b){var c,d,e,f,g,h,i,j=a.data,k=b.data,l=a.size.y,m=a.size.x;for(c=1;l-1>c;c++)for(d=1;m-1>d;d++)f=c-1,g=c+1,h=d-1,i=d+1,e=j[f*m+h]+j[f*m+i]+j[c*m+d]+j[g*m+h]+j[g*m+i],k[c*m+d]=5===e?1:0},d.subtract=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]-f[d]},d.bitwiseOr=function(a,b,c){c||(c=a);for(var d=a.data.length,e=a.data,f=b.data,g=c.data;d--;)g[d]=e[d]||f[d]},d.countNonZero=function(a){for(var b=a.data.length,c=a.data,d=0;b--;)d+=c[b];return d},d.topGeneric=function(a,b,c){var d,e,f,g,h=0,i=0,j=[];for(d=0;b>d;d++)j[d]={score:0,item:null};for(d=0;di)for(f=j[h],f.score=e,f.item=a[d],i=Number.MAX_VALUE,g=0;b>g;g++)j[g].scoref;){for(d=0;h>d;d++)c[i]=Math.floor((.299*a[4*e+0]+.587*a[4*e+1]+.114*a[4*e+2]+(.299*a[4*(e+1)+0]+.587*a[4*(e+1)+1]+.114*a[4*(e+1)+2])+(.299*a[4*f+0]+.587*a[4*f+1]+.114*a[4*f+2])+(.299*a[4*(f+1)+0]+.587*a[4*(f+1)+1]+.114*a[4*(f+1)+2]))/4),i++,e+=2,f+=2;e+=j,f+=j}},d.computeGray=function(a,b,c){var d,e=a.length/4|0,f=c&&c.singleChannel===!0;if(f)for(d=0;e>d;d++)b[d]=a[4*d+0];else for(d=0;e>d;d++)b[d]=Math.floor(.299*a[4*d+0]+.587*a[4*d+1]+.114*a[4*d+2])},d.loadImageArray=function(a,b,c){c||(c=document.createElement("canvas"));var e=new Image;e.callback=b,e.onload=function(){c.width=this.width,c.height=this.height;var a=c.getContext("2d");a.drawImage(this,0,0);var b=new Uint8Array(this.width*this.height);a.drawImage(this,0,0);var e=a.getImageData(0,0,this.width,this.height).data;d.computeGray(e,b),this.callback(b,{x:this.width,y:this.height},this)},e.src=a},d.halfSample=function(a,b){for(var c=a.data,d=a.size.x,e=b.data,f=0,g=d,h=c.length,i=d/2,j=0;h>g;){for(var k=0;i>k;k++)e[j]=Math.floor((c[f]+c[f+1]+c[g]+c[g+1])/4),j++,f+=2,g+=2;f+=d,g+=d}},d.hsv2rgb=function(a,b){var c=a[0],d=a[1],e=a[2],f=e*d,g=f*(1-Math.abs(c/60%2-1)),h=e-f,i=0,j=0,k=0;return b=b||[0,0,0],60>c?(i=f,j=g):120>c?(i=g,j=f):180>c?(j=f,k=g):240>c?(j=g,k=f):300>c?(i=g,k=f):360>c&&(i=f,k=g),b[0]=255*(i+h)|0,b[1]=255*(j+h)|0,b[2]=255*(k+h)|0,b},d._computeDivisors=function(a){var b,c=[],d=[];for(b=1;bb[d]?d++:c++;return e},d.calculatePatchSize=function(a,b){function c(a){for(var b=0,c=a[Math.floor(a.length/2)];b0&&(c=Math.abs(a[b]-m)>Math.abs(a[b-1]-m)?a[b-1]:a[b]),m/ci[k-1]/i[k]?{x:c,y:c}:null}var d,e=this._computeDivisors(b.x),f=this._computeDivisors(b.y),g=Math.max(b.x,b.y),h=this._computeIntersection(e,f),i=[8,10,15,20,32,60,80],j={"x-small":5,small:4,medium:3,large:2,"x-large":1},k=j[a]||j.medium,l=i[k],m=Math.floor(g/l);return d=c(h),d||(d=c(this._computeDivisors(g)),d||(d=c(this._computeDivisors(m*l)))),d},d._parseCSSDimensionValues=function(a){var b={value:parseFloat(a),unit:(a.indexOf("%")===a.length-1,"%")};return b},d._dimensionsConverters={top:function(a,b){return"%"===a.unit?Math.floor(b.height*(a.value/100)):void 0},right:function(a,b){return"%"===a.unit?Math.floor(b.width-b.width*(a.value/100)):void 0},bottom:function(a,b){return"%"===a.unit?Math.floor(b.height-b.height*(a.value/100)):void 0},left:function(a,b){return"%"===a.unit?Math.floor(b.width*(a.value/100)):void 0}},d.computeImageArea=function(a,b,c){var e={width:a,height:b},f=Object.keys(c).reduce(function(a,b){var f=c[b],g=d._parseCSSDimensionValues(f),h=d._dimensionsConverters[b](g,e);return a[b]=h,a},{});return{sx:f.left,sy:f.top,sw:f.right-f.left,sh:f.bottom-f.top}},d}),d("image_wrapper",["subImage","cv_utils","array_helper","gl-matrix"],function(a,b,c,d){"use strict";function e(a,b,d,e){b?this.data=b:d?(this.data=new d(a.x*a.y),d===Array&&e&&c.init(this.data,0)):(this.data=new Uint8Array(a.x*a.y),Uint8Array===Array&&e&&c.init(this.data,0)),this.size=a}var f=d.vec2,g=d.mat2;return e.prototype.inImageWithBorder=function(a,b){return a.x>=b&&a.y>=b&&a.x=0&&u>=0&&n-1>v&&o-1>w){for(i=s,j=0;m>j;++j,f.add(i,y))for(k=0;l>k;++k,f.add(i,p))b.set(k,j,x(a,i[0],i[1]));return 0}var z=n-1,A=o-1,B=0;for(i=s,j=0;m>j;++j,f.add(i,y))for(k=0;l>k;++k,f.add(i,p))0<=i[0]&&0<=i[1]&&i[0]c;c++)for(d=0;e>d;d++)a.data[d*f+c]=this.data[(b.y+d)*this.size.x+b.x+c]},e.prototype.copyTo=function(a){for(var b=this.data.length,c=this.data,d=a.data;b--;)d[b]=c[b]},e.prototype.get=function(a,b){return this.data[b*this.size.x+a]},e.prototype.getSafe=function(a,b){var c;if(!this.indexMapping){for(this.indexMapping={x:[],y:[]},c=0;ca;a++)d[a]=d[(c-1)*b+a]=0;for(a=1;c-1>a;a++)d[a*b]=d[a*b+(b-1)]=0},e.prototype.invert=function(){for(var a=this.data,b=a.length;b--;)a[b]=a[b]?0:1},e.prototype.convolve=function(a){var b,c,d,e,f=a.length/2|0,g=0;for(c=0;c=e;e++)for(d=-f;f>=d;d++)g+=a[e+f][d+f]*this.getSafe(b+d,c+e);this.data[c*this.size.x+b]=g}},e.prototype.moments=function(a){var b,c,d,e,g,h,i,j,k,l,m,n,o=this.data,p=this.size.y,q=this.size.x,r=[],s=[],t=Math.PI,u=t/4;if(0>=a)return s;for(g=0;a>g;g++)r[g]={m00:0,m01:0,m10:0,m11:0,m02:0,m20:0,theta:0,rad:0};for(c=0;p>c;c++)for(e=c*c,b=0;q>b;b++)d=o[c*q+b],d>0&&(h=r[d-1],h.m00+=1,h.m01+=c,h.m10+=b,h.m11+=b*c,h.m02+=e,h.m20+=b*b);for(g=0;a>g;g++)h=r[g],isNaN(h.m00)||0===h.m00||(l=h.m10/h.m00,m=h.m01/h.m00,i=h.m11/h.m00-l*m,j=h.m02/h.m00-m*m,k=h.m20/h.m00-l*l,n=(j-k)/(2*i),n=.5*Math.atan(n)+(i>=0?u:-u)+t,h.theta=(180*n/t+90)%180-90,h.theta<0&&(h.theta+=180),h.rad=n>t?n-t:n,h.vec=f.clone([Math.cos(n),Math.sin(n)]),s.push(h));return s},e.prototype.show=function(a,b){var c,d,e,f,g,h,i;for(b||(b=1),c=a.getContext("2d"),a.width=this.size.x,a.height=this.size.y,d=c.getImageData(0,0,a.width,a.height),e=d.data,f=0,i=0;ic||c>360)&&(c=360);for(var e=[0,1,1],f=[0,0,0],g=[255,255,255],h=[0,0,0],i=[],j=a.getContext("2d"),k=j.getImageData(d.x,d.y,this.size.x,this.size.y),l=k.data,m=this.data.length;m--;)e[0]=this.data[m]*c,i=e[0]<=0?g:e[0]>=360?h:b.hsv2rgb(e,f),l[4*m+0]=i[0],l[4*m+1]=i[1],l[4*m+2]=i[2],l[4*m+3]=255;j.putImageData(k,d.x,d.y)},e}),d("tracer",[],function(){"use strict";var a={searchDirections:[[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1],[-1,0],[-1,1]],create:function(a,b){function c(a,b,c,d){var e,k,l;for(e=0;7>e;e++){if(k=a.cy+i[a.dir][0],l=a.cx+i[a.dir][1],f=k*j+l,g[f]===b&&(0===h[f]||h[f]===c))return h[f]=c,a.cy=k,a.cx=l,!0;0===h[f]&&(h[f]=d),a.dir=(a.dir+1)%8}return!1}function d(a,b,c){return{dir:c,x:a,y:b,next:null,prev:null}}function e(a,b,e,f,g){var h,i,j,k=null,l={cx:b,cy:a,dir:0};if(c(l,f,e,g)){k=d(b,a,l.dir),h=k,j=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i;do l.dir=(l.dir+6)%8,c(l,f,e,g),j!=l.dir?(h.dir=l.dir,i=d(l.cx,l.cy,0),i.prev=h,h.next=i,i.next=null,h=i):(h.dir=j,h.x=l.cx,h.y=l.cy),j=l.dir;while(l.cx!=b||l.cy!=a);k.prev=h.prev,h.prev.next=k}return k}var f,g=a.data,h=b.data,i=this.searchDirections,j=a.size.x;return{trace:function(a,b,d,e){return c(a,b,d,e)},contourTracing:function(a,b,c,d,f){return e(a,b,c,d,f)}}}};return a}),d("rasterizer",["tracer"],function(a){"use strict";var b={createContour2D:function(){return{dir:null,index:null,firstVertex:null,insideContours:null,nextpeer:null,prevpeer:null}},CONTOUR_DIR:{CW_DIR:0,CCW_DIR:1,UNKNOWN_DIR:2},DIR:{OUTSIDE_EDGE:-32767,INSIDE_EDGE:-32766},create:function(c,d){var e=c.data,f=d.data,g=c.size.x,h=c.size.y,i=a.create(c,d);return{rasterize:function(a){var c,d,j,k,l,m,n,o,p,q,r,s,t=[],u=0;for(s=0;400>s;s++)t[s]=0;for(t[0]=e[0],p=null,m=1;h-1>m;m++)for(k=0,d=t[0],l=1;g-1>l;l++)if(r=m*g+l,0===f[r])if(c=e[r],c!==d){if(0===k)j=u+1,t[j]=c,d=c,n=i.contourTracing(m,l,j,c,b.DIR.OUTSIDE_EDGE),null!==n&&(u++,k=j,o=b.createContour2D(),o.dir=b.CONTOUR_DIR.CW_DIR,o.index=k,o.firstVertex=n,o.nextpeer=p,o.insideContours=null,null!==p&&(p.prevpeer=o),p=o);else if(n=i.contourTracing(m,l,b.DIR.INSIDE_EDGE,c,k),null!==n){for(o=b.createContour2D(),o.firstVertex=n,o.insideContours=null,0===a?o.dir=b.CONTOUR_DIR.CCW_DIR:o.dir=b.CONTOUR_DIR.CW_DIR,o.index=a,q=p;null!==q&&q.index!==k;)q=q.nextpeer;null!==q&&(o.nextpeer=q.insideContours,null!==q.insideContours&&(q.insideContours.prevpeer=o),q.insideContours=o)}}else f[r]=k;else f[r]===b.DIR.OUTSIDE_EDGE||f[r]===b.DIR.INSIDE_EDGE?(k=0,d=f[r]===b.DIR.INSIDE_EDGE?e[r]:t[0]):(k=f[r],d=t[k]);for(q=p;null!==q;)q.index=a,q=q.nextpeer;return{cc:p,count:u}},debug:{drawContour:function(a,c){var d,e,f,g=a.getContext("2d"),h=c;for(g.strokeStyle="red",g.fillStyle="red",g.lineWidth=1,d=null!==h?h.insideContours:null;null!==h;){switch(null!==d?(e=d,d=d.nextpeer):(e=h,h=h.nextpeer,d=null!==h?h.insideContours:null),e.dir){case b.CONTOUR_DIR.CW_DIR:g.strokeStyle="red";break;case b.CONTOUR_DIR.CCW_DIR:g.strokeStyle="blue";break;case b.CONTOUR_DIR.UNKNOWN_DIR:g.strokeStyle="green"}f=e.firstVertex,g.beginPath(),g.moveTo(f.x,f.y);do f=f.next,g.lineTo(f.x,f.y);while(f!==e.firstVertex);g.stroke()}}}}}};return b}),d("skeletonizer",[],function(){"use strict";function a(stdlib, foreign, buffer) {"use asm";var images=new stdlib.Uint8Array(buffer),size=foreign.size|0,imul=stdlib.Math.imul;function erode(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0) == (5|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function subtract(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0) - (images[(bImagePtr+length)|0]|0))|0;}}function bitwiseOr(aImagePtr, bImagePtr, outImagePtr) {aImagePtr=aImagePtr|0;bImagePtr=bImagePtr|0;outImagePtr=outImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(outImagePtr+length)|0]=((images[(aImagePtr+length)|0]|0)|(images[(bImagePtr+length)|0]|0))|0;}}function countNonZero(imagePtr) {imagePtr=imagePtr|0;var sum=0,length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;sum=((sum|0)+(images[(imagePtr+length)|0]|0))|0;}return (sum|0);}function init(imagePtr, value) {imagePtr=imagePtr|0;value=value|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(imagePtr+length)|0]=value;}}function dilate(inImagePtr, outImagePtr) {inImagePtr=inImagePtr|0;outImagePtr=outImagePtr|0;var v=0,u=0,sum=0,yStart1=0,yStart2=0,xStart1=0,xStart2=0,offset=0;for ( v=1; (v|0)<((size - 1)|0); v=(v+1)|0) {offset=(offset+size)|0;for ( u=1; (u|0)<((size - 1)|0); u=(u+1)|0) {yStart1=(offset - size)|0;yStart2=(offset+size)|0;xStart1=(u - 1)|0;xStart2=(u+1)|0;sum=((images[(inImagePtr+yStart1+xStart1)|0]|0)+(images[(inImagePtr+yStart1+xStart2)|0]|0)+(images[(inImagePtr+offset+u)|0]|0)+(images[(inImagePtr+yStart2+xStart1)|0]|0)+(images[(inImagePtr+yStart2+xStart2)|0]|0))|0;if ((sum|0)>(0|0)) {images[(outImagePtr+offset+u)|0]=1;} else {images[(outImagePtr+offset+u)|0]=0;}}}return;}function memcpy(srcImagePtr, dstImagePtr) {srcImagePtr=srcImagePtr|0;dstImagePtr=dstImagePtr|0;var length=0;length=imul(size, size)|0;while ((length|0)>0) {length=(length - 1)|0;images[(dstImagePtr+length)|0]=(images[(srcImagePtr+length)|0]|0);}}function zeroBorder(imagePtr) {imagePtr=imagePtr|0;var x=0,y=0;for ( x=0; (x|0)<((size - 1)|0); x=(x+1)|0) {images[(imagePtr+x)|0]=0;images[(imagePtr+y)|0]=0;y=((y+size) - 1)|0;images[(imagePtr+y)|0]=0;y=(y+1)|0;}for ( x=0; (x|0)<(size|0); x=(x+1)|0) {images[(imagePtr+y)|0]=0;y=(y+1)|0;}}function skeletonize() {var subImagePtr=0,erodedImagePtr=0,tempImagePtr=0,skelImagePtr=0,sum=0,done=0;erodedImagePtr=imul(size, size)|0;tempImagePtr=(erodedImagePtr+erodedImagePtr)|0;skelImagePtr=(tempImagePtr+erodedImagePtr)|0;init(skelImagePtr, 0);zeroBorder(subImagePtr);do {erode(subImagePtr, erodedImagePtr);dilate(erodedImagePtr, tempImagePtr);subtract(subImagePtr, tempImagePtr, tempImagePtr);bitwiseOr(skelImagePtr, tempImagePtr, skelImagePtr);memcpy(erodedImagePtr, subImagePtr);sum=countNonZero(subImagePtr)|0;done=((sum|0) == 0|0);} while(!done);}return {skeletonize : skeletonize};}
+return Math.imul=Math.imul||function(a,b){var c=a>>>16&65535,d=65535&a,e=b>>>16&65535,f=65535&b;return d*f+(c*f+d*e<<16>>>0)|0},a}),d("image_debug",[],function(){"use strict";return{drawRect:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=1,c.beginPath(),c.strokeRect(a.x,a.y,b.x,b.y)},drawPath:function(a,b,c,d){c.strokeStyle=d.color,c.fillStyle=d.color,c.lineWidth=d.lineWidth,c.beginPath(),c.moveTo(a[0][b.x],a[0][b.y]);for(var e=1;eb&&(b+=180),b=(180-b)*Math.PI/180,f=I.clone([Math.cos(b),Math.sin(b),-Math.sin(b),Math.cos(b)]),c=0;cd;d++)H.transformMat2(e.box[d],e.box[d],f);t.boxFromPatches.showTransformed&&g.drawPath(e.box,{x:0,y:1},F.ctx.binary,{color:"#99ff00",lineWidth:2})}for(c=0;cd;d++)e.box[d][0]l&&(l=e.box[d][0]),e.box[d][1]m&&(m=e.box[d][1]);for(h=[[j,k],[l,k],[l,m],[j,m]],t.boxFromPatches.showTransformedBox&&g.drawPath(h,{x:0,y:1},F.ctx.binary,{color:"#ff0000",lineWidth:2}),i=t.halfSample?2:1,f=I.invert(f,f),d=0;4>d;d++)H.transformMat2(h[d],h[d],f);for(t.boxFromPatches.showBB&&g.drawPath(h,{x:0,y:1},F.ctx.binary,{color:"#ff0000",lineWidth:2}),d=0;4>d;d++)H.scale(h[d],h[d],i);return h}function l(){b.otsuThreshold(u,B),B.zeroBorder(),t.showCanvas&&B.show(F.dom.binary,255)}function m(){var a,b,d,e,h,i,j,k,l=[];for(a=0;ab;b++)d.push(0);for(c=z.data.length;c--;)z.data[c]>0&&d[z.data[c]-1]++;return d=d.map(function(a,b){return{val:a,label:b+1}}),d.sort(function(a,b){return b.val-a.val}),e=d.filter(function(a){return a.val>=5})}function o(a,c){var d,e,f,h,i,j=[],l=[],m=[0,1,1],n=[0,0,0];for(d=0;d=2){for(e=0;el&&j.push(a[e]);if(j.length>=2){for(i=j.length,g=p(j),f=0,e=0;e1&&g.length>=j.length/4*3&&g.length>a.length/4&&(f/=g.length,h={index:b[1]*G.x+b[0],pos:{x:c,y:d},box:[H.clone([c,d]),H.clone([c+w.size.x,d]),H.clone([c+w.size.x,d+w.size.y]),H.clone([c,d+w.size.y])],moments:g,rad:f,vec:H.clone([Math.cos(f),Math.sin(f)])},k.push(h))}}return k}function s(a){function c(){var a;for(a=0;ak&&e(h))):z.data[h]=Number.MAX_VALUE}var h,i,j=0,k=.95,l=0,m=[0,1,1],n=[0,0,0];for(f.init(y.data,0),f.init(z.data,0),f.init(A.data,null),h=0;h0&&z.data[h]<=j&&(i=A.data[h],m[0]=z.data[h]/(j+1)*360,b.hsv2rgb(m,n),g.drawRect(i.pos,w.size,F.ctx.binary,{color:"rgb("+n.join(",")+")",lineWidth:2}));return j}var t,u,v,w,x,y,z,A,B,C,D,E,F={ctx:{binary:null},dom:{binary:null}},G={x:0,y:0},H=h.vec2,I=h.mat2,J=this;return{init:function(a,b){t=b,D=a,i(),j()},locate:function(){var a,c,d;if(t.halfSample&&b.halfSample(D,u),l(),a=m(),a.lengthe?null:(c=n(e),0===c.length?null:d=o(c,e))},checkImageConstraints:function(a,c){var d,e,f,g=a.getWidth(),h=a.getHeight(),i=c.halfSample?.5:1;if(a.getConfig().area&&(f=b.computeImageArea(g,h,a.getConfig().area),a.setTopRight({x:f.sx,y:f.sy}),a.setCanvasSize({x:g,y:h}),g=f.sw,h=f.sh),e={x:Math.floor(g*i),y:Math.floor(h*i)},d=b.calculatePatchSize(c.patchSize,e),console.log("Patch-Size: "+JSON.stringify(d)),a.setWidth(Math.floor(Math.floor(e.x/d.x)*(1/i)*d.x)),a.setHeight(Math.floor(Math.floor(e.y/d.y)*(1/i)*d.y)),a.getWidth()%d.x===0&&a.getHeight()%d.y===0)return!0;throw new Error("Image dimensions do not comply with the current settings: Width ("+g+" )and height ("+h+") must a multiple of "+d.x)}}}),d("bresenham",["cv_utils","image_wrapper"],function(a,b){"use strict";var c={},d={DIR:{UP:1,DOWN:-1}};return c.getBarcodeLine=function(a,b,c){function d(a,b){l=s[b*t+a],u+=l,v=v>l?l:v,w=l>w?l:w,r.push(l)}var e,f,g,h,i,j,k,l,m=0|b.x,n=0|b.y,o=0|c.x,p=0|c.y,q=Math.abs(p-n)>Math.abs(o-m),r=[],s=a.data,t=a.size.x,u=0,v=255,w=0;for(q&&(j=m,m=n,n=j,j=o,o=p,p=j),m>o&&(j=m,m=o,o=j,j=n,n=p,p=j),e=o-m,f=Math.abs(p-n),g=e/2|0,i=n,h=p>n?1:-1,k=m;o>k;k++)q?d(i,k):d(k,i),g-=f,0>g&&(i+=h,g+=e);return{line:r,min:v,max:w}},c.toOtsuBinaryLine=function(c){var d=c.line,e=new b({x:d.length-1,y:1},d),f=a.determineOtsuThreshold(e,5);return d=a.sharpenLine(d),a.thresholdImage(e,f),{line:d,threshold:f}},c.toBinaryLine=function(a){var b,c,e,f,g,h,i=a.min,j=a.max,k=a.line,l=i+(j-i)/2,m=[],n=(j-i)/12,o=-n;for(e=k[0]>l?d.DIR.UP:d.DIR.DOWN,m.push({pos:0,val:k[0]}),g=0;gb+c&&k[g+1]<1.5*l?d.DIR.DOWN:b+c>n&&k[g+1]>.5*l?d.DIR.UP:e,e!==f&&(m.push({pos:g,val:k[g]}),e=f);for(m.push({pos:k.length,val:k[k.length-1]}),h=m[0].pos;hl?0:1;for(g=1;gm[g].val?m[g].val+(m[g+1].val-m[g].val)/3*2|0:m[g+1].val+(m[g].val-m[g+1].val)/3|0,h=m[g].pos;hn?0:1;return{line:k,threshold:n}},c.debug={printFrequency:function(a,b){var c,d=b.getContext("2d");for(b.width=a.length,b.height=256,d.beginPath(),d.strokeStyle="blue",c=0;cg)return Number.MAX_VALUE;d+=e}return d/f},a.prototype._nextSet=function(a,b){var c;for(b=b||0,c=b;c1)for(c=0;cd?(j.start=c-g,j.end=c,j.counter=e,j):null;i++,e[i]=1,h=!h}}else for(e.push(0),c=g;ca?0:a,d=a;b>d;d++)if(this._row[d]!==c)return!1;return!0},a.prototype._fillCounters=function(a,b,c){var d,e=this,f=0,g=[];for(c="undefined"!=typeof c?c:!0,a="undefined"!=typeof a?a:e._nextUnset(e._row),b=b||e._row.length,g[f]=0,d=a;b>d;d++)e._row[d]^c?g[f]++:(f++,g[f]=1,c=!c);return g},Object.defineProperty(a.prototype,"FORMAT",{value:"unknown",writeable:!1}),a.DIRECTION={FORWARD:1,REVERSE:-1},a.Exception={StartNotFoundException:"Start-Info was not found!",CodeNotFoundException:"Code could not be found!",PatternNotFoundException:"Pattern could not be found!"},a.CONFIG_KEYS={},a}),d("code_128_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_SHIFT:{value:98},CODE_C:{value:99},CODE_B:{value:100},CODE_A:{value:101},START_CODE_A:{value:103},START_CODE_B:{value:104},START_CODE_C:{value:105},STOP_CODE:{value:106},MODULO:{value:11},CODE_PATTERN:{value:[[2,1,2,2,2,2],[2,2,2,1,2,2],[2,2,2,2,2,1],[1,2,1,2,2,3],[1,2,1,3,2,2],[1,3,1,2,2,2],[1,2,2,2,1,3],[1,2,2,3,1,2],[1,3,2,2,1,2],[2,2,1,2,1,3],[2,2,1,3,1,2],[2,3,1,2,1,2],[1,1,2,2,3,2],[1,2,2,1,3,2],[1,2,2,2,3,1],[1,1,3,2,2,2],[1,2,3,1,2,2],[1,2,3,2,2,1],[2,2,3,2,1,1],[2,2,1,1,3,2],[2,2,1,2,3,1],[2,1,3,2,1,2],[2,2,3,1,1,2],[3,1,2,1,3,1],[3,1,1,2,2,2],[3,2,1,1,2,2],[3,2,1,2,2,1],[3,1,2,2,1,2],[3,2,2,1,1,2],[3,2,2,2,1,1],[2,1,2,1,2,3],[2,1,2,3,2,1],[2,3,2,1,2,1],[1,1,1,3,2,3],[1,3,1,1,2,3],[1,3,1,3,2,1],[1,1,2,3,1,3],[1,3,2,1,1,3],[1,3,2,3,1,1],[2,1,1,3,1,3],[2,3,1,1,1,3],[2,3,1,3,1,1],[1,1,2,1,3,3],[1,1,2,3,3,1],[1,3,2,1,3,1],[1,1,3,1,2,3],[1,1,3,3,2,1],[1,3,3,1,2,1],[3,1,3,1,2,1],[2,1,1,3,3,1],[2,3,1,1,3,1],[2,1,3,1,1,3],[2,1,3,3,1,1],[2,1,3,1,3,1],[3,1,1,1,2,3],[3,1,1,3,2,1],[3,3,1,1,2,1],[3,1,2,1,1,3],[3,1,2,3,1,1],[3,3,2,1,1,1],[3,1,4,1,1,1],[2,2,1,4,1,1],[4,3,1,1,1,1],[1,1,1,2,2,4],[1,1,1,4,2,2],[1,2,1,1,2,4],[1,2,1,4,2,1],[1,4,1,1,2,2],[1,4,1,2,2,1],[1,1,2,2,1,4],[1,1,2,4,1,2],[1,2,2,1,1,4],[1,2,2,4,1,1],[1,4,2,1,1,2],[1,4,2,2,1,1],[2,4,1,2,1,1],[2,2,1,1,1,4],[4,1,3,1,1,1],[2,4,1,1,1,2],[1,3,4,1,1,1],[1,1,1,2,4,2],[1,2,1,1,4,2],[1,2,1,2,4,1],[1,1,4,2,1,2],[1,2,4,1,1,2],[1,2,4,2,1,1],[4,1,1,2,1,2],[4,2,1,1,1,2],[4,2,1,2,1,1],[2,1,2,1,4,1],[2,1,4,1,2,1],[4,1,2,1,2,1],[1,1,1,1,4,3],[1,1,1,3,4,1],[1,3,1,1,4,1],[1,1,4,1,1,3],[1,1,4,3,1,1],[4,1,1,1,1,3],[4,1,1,3,1,1],[1,1,3,1,4,1],[1,1,4,1,3,1],[3,1,1,1,4,1],[4,1,1,1,3,1],[2,1,1,4,1,2],[2,1,1,2,1,4],[2,1,1,2,3,2],[2,3,3,1,1,1,2]]},SINGLE_CODE_ERROR:{value:1},AVG_CODE_ERROR:{value:.5},FORMAT:{value:"code_128",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodeCode=function(a){var b,c,d,e,f=[0,0,0,0,0,0],g=this,h=a,i=!g._row[h],j=0,k={error:Number.MAX_VALUE,code:-1,start:a,end:a};for(b=h;bd;d++)g[d]=g[d+2];g[4]=0,g[5]=0,k--}else k++;g[k]=1,j=!j}return null},b.prototype._decode=function(){var a,b,c,d=this,e=d._findStart(),f=null,g=!1,h=[],i=0,j=0,k=[],l=[],m=!1;if(null===e)return null;switch(f={code:e.code,start:e.start,end:e.end},l.push(f),j=f.code,f.code){case d.START_CODE_A:a=d.CODE_A;break;case d.START_CODE_B:a=d.CODE_B;break;case d.START_CODE_C:a=d.CODE_C;break;default:return null}for(;!g;){if(b=m,m=!1,f=d._decodeCode(f.end),null!==f)switch(f.code!==d.STOP_CODE&&(k.push(f.code),i++,j+=i*f.code),l.push(f),a){case d.CODE_A:if(f.code<64)h.push(String.fromCharCode(32+f.code));else if(f.code<96)h.push(String.fromCharCode(f.code-64));else switch(f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_B;break;case d.CODE_B:a=d.CODE_B;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_B:if(f.code<96)h.push(String.fromCharCode(32+f.code));else switch(f.code!=d.STOP_CODE&&(c=!1),f.code){case d.CODE_SHIFT:m=!0,a=d.CODE_A;break;case d.CODE_A:a=d.CODE_A;break;case d.CODE_C:a=d.CODE_C;break;case d.STOP_CODE:g=!0}break;case d.CODE_C:switch(f.code<100&&h.push(f.code<10?"0"+f.code:f.code),f.code){case d.CODE_A:a=d.CODE_A;break;case d.CODE_B:a=d.CODE_B;break;case d.STOP_CODE:g=!0}}else g=!0;b&&(a=a==d.CODE_A?d.CODE_B:d.CODE_A)}return null===f?null:(f.end=d._nextUnset(d._row,f.end),d._verifyTrailingWhitespace(f)?(j-=i*k[k.length-1],j%103!=k[k.length-1]?null:h.length?(h.splice(h.length-1,1),{code:h.join(""),start:e.start,end:f.end,codeset:a,startInfo:e,decodedCodes:l,endInfo:f}):null):null)},a.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bd;d++)e=h._matchPattern(f,h.CODE_PATTERN[d]),eh.AVG_CODE_ERROR?null:l}}else k++;g[k]=1,j=!j}return null},b.prototype._findPattern=function(a,b,c,d,e){var f,g,h,i,j,k=[],l=this,m=0,n={error:Number.MAX_VALUE,code:-1,start:0,end:0};for(b||(b=l._nextSet(l._row)),void 0===c&&(c=!1),void 0===d&&(d=!0),void 0===e&&(e=l.AVG_CODE_ERROR),f=0;fg))return n.error=g,n.start=f-i,n.end=f,n;if(!d)return null;for(h=0;h=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start),bd;d++){if(a=f._decodeCode(a.end),!a)return null;a.code>=f.CODE_G_START?(a.code=a.code-f.CODE_G_START,g|=1<<5-d):g|=0<<5-d,b.push(a.code),c.push(a)}if(e=f._calculateFirstDigit(g),null===e)return null;if(b.unshift(e),a=f._findPattern(f.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;6>d;d++){if(a=f._decodeCode(a.end,f.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b.prototype._decode=function(){var a,b,c=this,d=[],e=[];return(a=c._findStart())?(b={code:a.code,start:a.start,end:a.end},e.push(b),(b=c._decodePayload(b,d,e))&&(b=c._findEnd(b.end,!1))?(e.push(b),c._checksum(d)?{code:d.join(""),start:a.start,end:b.end,codeset:"",startInfo:a,decodedCodes:e}:null):null):null},b.prototype._checksum=function(a){var b,c=0;for(b=a.length-2;b>=0;b-=2)c+=a[b];for(c*=3,b=a.length-1;b>=0;b-=2)c+=a[b];return c%10===0},b}),d("code_39_reader",["./barcode_reader","./array_helper"],function(a,b){"use strict";function c(){a.call(this)}var d={ALPHABETH_STRING:{value:"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,45,46,32,42,36,47,43,37]},CHARACTER_ENCODINGS:{value:[52,289,97,352,49,304,112,37,292,100,265,73,328,25,280,88,13,268,76,28,259,67,322,19,274,82,7,262,70,22,385,193,448,145,400,208,133,388,196,148,168,162,138,42]},ASTERISK:{value:148},FORMAT:{value:"code_39",writeable:!1}};return c.prototype=Object.create(a.prototype,d),c.prototype.constructor=c,c.prototype._toCounters=function(a,c){var d,e=this,f=c.length,g=e._row.length,h=!e._row[a],i=0;for(b.init(c,0),d=a;g>d;d++)if(e._row[d]^h)c[i]++;else{if(i++,i===f)break;c[i]=1,h=!h}return c},c.prototype._decode=function(){var a,c,d,e,f=this,g=[0,0,0,0,0,0,0,0,0],h=[],i=f._findStart();if(!i)return null;e=f._nextSet(f._row,i.end);do{if(g=f._toCounters(e,g),d=f._toPattern(g),0>d)return null;if(a=f._patternToChar(d),0>a)return null;h.push(a),c=e,e+=b.sum(g),e=f._nextSet(f._row,e)}while("*"!==a);return h.pop(),h.length&&f._verifyTrailingWhitespace(c,e,g)?{code:h.join(""),start:i.start,end:e,startInfo:i,decodedCodes:h}:null},c.prototype._verifyTrailingWhitespace=function(a,c,d){var e,f=b.sum(d);return e=c-a-f,3*e>=f?!0:!1},c.prototype._patternToChar=function(a){var b,c=this;for(b=0;bb&&(d=a[c]);return d},c.prototype._toPattern=function(a){for(var b,c,d=a.length,e=0,f=d,g=0,h=this;f>3;){for(e=h._findNextWidth(a,e),f=0,b=0,c=0;d>c;c++)a[c]>e&&(b|=1<c&&f>0;c++)if(a[c]>e&&(f--,2*a[c]>=g))return-1;return b}}return-1},c.prototype._findStart=function(){var a,b,c,d=this,e=d._nextSet(d._row),f=e,g=[0,0,0,0,0,0,0,0,0],h=0,i=!1;for(a=e;ab;b++)g[b]=g[b+2];g[7]=0,g[8]=0,h--}else h++;g[h]=1,i=!i}return null},c}),d("code_39_vin_reader",["./code_39_reader"],function(a){"use strict";function b(){a.call(this)}var c={IOQ:/[IOQ]/g,AZ09:/[A-Z0-9]{17}/};return b.prototype=Object.create(a.prototype),b.prototype.constructor=b,b.prototype._decode=function(){var b=a.prototype._decode.apply(this);if(!b)return null;var d=b.code;if(d)return d=d.replace(c.IOQ,""),d.match(c.AZ09)?this._checkChecksum(d)?(b.code=d,b):null:(console.log("Failed AZ09 pattern code:",d),null)},b.prototype._checkChecksum=function(a){return!!a},b}),d("codabar_reader",["./barcode_reader"],function(a){"use strict";function b(){a.call(this),this._counters=[]}var c={ALPHABETH_STRING:{value:"0123456789-$:/.+ABCD"},ALPHABET:{value:[48,49,50,51,52,53,54,55,56,57,45,36,58,47,46,43,65,66,67,68]},CHARACTER_ENCODINGS:{value:[3,6,9,96,18,66,33,36,48,72,12,24,69,81,84,21,26,41,11,14]},START_END:{value:[26,41,11,14]},MIN_ENCODED_CHARS:{value:4},MAX_ACCEPTABLE:{value:2},PADDING:{value:1.5},FORMAT:{value:"codabar",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decode=function(){var a,b,c,d,e,f=this,g=[];if(this._counters=f._fillCounters(),a=f._findStart(),!a)return null;d=a.startCounter;do{if(c=f._toPattern(d),0>c)return null;if(b=f._patternToChar(c),0>b)return null;if(g.push(b),d+=8,g.length>1&&f._isStartEnd(c))break}while(df._counters.length?f._counters.length:d,e=a.start+f._sumCounters(a.startCounter,d-8),{code:g.join(""),start:a.start,end:e,startInfo:a,decodedCodes:g}):null},b.prototype._verifyWhitespace=function(a,b){return(0>=a-1||this._counters[a-1]>=this._calculatePatternLength(a)/2)&&(b+8>=this._counters.length||this._counters[b+7]>=this._calculatePatternLength(b)/2)?!0:!1},b.prototype._calculatePatternLength=function(a){var b,c=0;for(b=a;a+7>b;b++)c+=this._counters[b];return c},b.prototype._thresholdResultPattern=function(a,b){var c,d,e,f,g,h=this,i={space:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}},bar:{narrow:{size:0,counts:0,min:0,max:Number.MAX_VALUE},wide:{size:0,counts:0,min:0,max:Number.MAX_VALUE}}},j=b;for(e=0;e=0;f--)c=2===(1&f)?i.bar:i.space,d=1===(1&g)?c.wide:c.narrow,d.size+=h._counters[j+f],d.counts++,g>>=1;j+=8}return["space","bar"].forEach(function(a){var b=i[a];b.wide.min=Math.floor((b.narrow.size/b.narrow.counts+b.wide.size/b.wide.counts)/2),b.narrow.max=Math.ceil(b.wide.min),b.wide.max=Math.ceil((b.wide.size*h.MAX_ACCEPTABLE+h.PADDING)/b.wide.counts)}),i},b.prototype._charToPattern=function(a){var b,c=this,d=a.charCodeAt(0);for(b=0;b=0;d--){if(e=0===(1&d)?j.bar:j.space,f=1===(1&h)?e.wide:e.narrow,g=i._counters[k+d],gf.max)return!1;h>>=1}k+=8}return!0},b.prototype._patternToChar=function(a){var b,c=this;for(b=0;bc;c+=2)d=this._counters[c],d>f&&(f=d),e>d&&(e=d);return(e+f)/2|0},b.prototype._toPattern=function(a){var b,c,d,e,f=7,g=a+f,h=1<this._counters.length)return-1;for(b=this._computeAlternatingThreshold(a,g),c=this._computeAlternatingThreshold(a+1,g),d=0;f>d;d++)e=0===(1&d)?b:c,this._counters[a+d]>e&&(i|=h),h>>=1;return i},b.prototype._isStartEnd=function(a){var b;for(b=0;bc;c++)d+=this._counters[c];return d},b.prototype._findStart=function(){var a,b,c,d=this,e=d._nextUnset(d._row);for(a=1;ad;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;b.push(a.code),c.push(a)}if(a=e._findPattern(e.MIDDLE_PATTERN,a.end,!0,!1),null===a)return null;for(c.push(a),d=0;4>d;d++){if(a=e._decodeCode(a.end,e.CODE_G_START),!a)return null;c.push(a),b.push(a.code)}return a},b}),d("upc_e_reader",["./ean_reader"],function(a){"use strict";function b(){a.call(this)}var c={CODE_FREQUENCY:{value:[[56,52,50,49,44,38,35,42,41,37],[7,11,13,14,19,25,28,21,22,26]]},STOP_PATTERN:{value:[1/6*7,1/6*7,1/6*7,1/6*7,1/6*7,1/6*7]},FORMAT:{value:"upc_e",writeable:!1}};return b.prototype=Object.create(a.prototype,c),b.prototype.constructor=b,b.prototype._decodePayload=function(a,b,c){var d,e=this,f=0;for(d=0;6>d;d++){if(a=e._decodeCode(a.end),!a)return null;a.code>=e.CODE_G_START&&(a.code=a.code-e.CODE_G_START,f|=1<<5-d),b.push(a.code),c.push(a)}return e._determineParity(f,b)?a:null},b.prototype._determineParity=function(a,b){var c,d,e=this;for(d=0;d=c?b.concat(a.slice(1,3)).concat([c,0,0,0,0]).concat(a.slice(3,6)):3===c?b.concat(a.slice(1,4)).concat([0,0,0,0,0]).concat(a.slice(4,6)):4===c?b.concat(a.slice(1,5)).concat([0,0,0,0,0,a[5]]):b.concat(a.slice(1,6)).concat([0,0,0,0,c]),b.push(a[a.length-1]),b},b.prototype._checksum=function(b){return a.prototype._checksum.call(this,this._convertToUPCA(b))},b.prototype._findEnd=function(b,c){return c=!0,a.prototype._findEnd.call(this,b,c)},b.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bf))return m.error=f,m.start=e-h,m.end=e,m;if(!d)return null;for(g=0;g=0&&c._matchRange(a,b.start,0))return b;d=b.end,b=null}},c.prototype._verifyTrailingWhitespace=function(a){var b,c=this;return b=a.end+(a.end-a.start)/2,bg;){for(d=0;5>d;d++)i[0][d]=a[g]*this.barSpaceRatio[0],i[1][d]=a[g+1]*this.barSpaceRatio[1],g+=2;if(e=f._decodePair(i),!e)return null;for(d=0;d1&&(!d.inImageWithBorder(a[0],0)||!d.inImageWithBorder(a[1],0));)c-=Math.ceil(c/2),e(-c);return a}function i(a){return[{x:(a[1][0]-a[0][0])/2+a[0][0],y:(a[1][1]-a[0][1])/2+a[0][1]},{x:(a[3][0]-a[2][0])/2+a[2][0],y:(a[3][1]-a[2][1])/2+a[2][1]}]}function j(e){var f,g=null,h=a.getBarcodeLine(d,e[0],e[1]);for(c.showFrequency&&(b.drawPath(e,{x:"x",y:"y"},o.ctx.overlay,{color:"red",lineWidth:3}),a.debug.printFrequency(h.line,o.dom.frequency)),a.toBinaryLine(h),c.showPattern&&a.debug.printPattern(h.line,o.dom.pattern),f=0;fd&&null===i;d++)e=g/h*d*(d%2===0?-1:1),f={y:e*k,x:e*l},b[0].y+=f.x,b[0].x-=f.y,b[1].y+=f.x,b[1].x-=f.y,i=j(b);return i}function m(a){return Math.sqrt(Math.pow(Math.abs(a[1].y-a[0].y),2)+Math.pow(Math.abs(a[1].x-a[0].x),2))}function n(a){var d,e,f,g,l=o.ctx.overlay;return c.drawBoundingBox&&l&&b.drawPath(a,{x:0,y:1},l,{color:"blue",lineWidth:2}),d=i(a),g=m(d),e=Math.atan2(d[1].y-d[0].y,d[1].x-d[0].x),d=h(d,e,Math.floor(.1*g)),null===d?null:(f=j(d),null===f&&(f=k(a,d,e)),null===f?null:(f&&c.drawScanline&&l&&b.drawPath(d,{x:"x",y:"y"},l,{color:"red",lineWidth:3}),{codeResult:f.codeResult,line:d,angle:e,pattern:f.barcodeLine.line,threshold:f.barcodeLine.threshold}))}var o={ctx:{frequency:null,pattern:null,overlay:null},dom:{frequency:null,pattern:null,overlay:null}},p=[];return e(),f(),g(),{decodeFromBoundingBox:function(a){return n(a)},decodeFromBoundingBoxes:function(a){var b,c;for(b=0;b0?a.videoWidth>0&&a.videoHeight>0?(console.log(a.videoWidth+"px x "+a.videoHeight+"px"),b()):window.setTimeout(c,500):b("Unable to play video stream. Is webcam working?"),d--}var d=10;c()}function d(a,d,e){b(a,function(a){d.src=a,h&&d.removeEventListener("loadeddata",h,!1),h=c.bind(null,d,e),d.addEventListener("loadeddata",h,!1),d.play()},function(a){e(a)})}function e(b,c){var d={audio:!1,video:!0},e=a.mergeObjects({width:640,height:480,minAspectRatio:0,maxAspectRatio:100,facing:"environment"},b);return"undefined"==typeof MediaStreamTrack||"undefined"==typeof MediaStreamTrack.getSources?(d.video={mediaSource:"camera",width:{min:e.width,max:e.width},height:{min:e.height,max:e.height},require:["width","height"]},c(d)):void MediaStreamTrack.getSources(function(a){for(var b,f=0;f!=a.length;++f){var g=a[f];"video"==g.kind&&g.facing==e.facing&&(b=g.id)}return d.video={mandatory:{minWidth:e.width,minHeight:e.height,minAspectRatio:e.minAspectRatio,maxAspectRatio:e.maxAspectRatio},optional:[{sourceId:b}]},c(d)})}function f(a,b,c){e(b,function(b){d(b,a,c)})}var g,h;return{request:function(a,b,c){f(a,b,c)},release:function(){var a=g&&g.getVideoTracks();a.length&&a[0].stop(),g=null}}}),d("result_collector",["image_debug"],function(a){"use strict";function b(a,b){return b?b.some(function(b){return Object.keys(b).every(function(c){return b[c]===a[c]})}):!1}function c(a,b){return"function"==typeof b?b(a):!0}return{create:function(d){function e(a){return i&&a&&!b(a,d.blacklist)&&c(a,d.filter)}var f=document.createElement("canvas"),g=f.getContext("2d"),h=[],i=d.capacity||20,j=d.capture===!0;return{addResult:function(b,c,d){var k={};e(d)&&(i--,k.codeResult=d,j&&(f.width=c.x,f.height=c.y,a.drawImage(b,c,g),k.frame=f.toDataURL()),h.push(k))},getResults:function(){return h}}}}}),d("quagga",["input_stream","image_wrapper","barcode_locator","barcode_decoder","frame_grabber","html_utils","config","events","camera_access","image_debug","gl-matrix","result_collector"],function(b,c,d,e,f,g,h,i,j,k,l,m){"use strict";function n(a){t(a),K=e.create(h.decoder,I)}function o(){if("undefined"!=typeof document)for(var a=[{node:document.querySelector("div[data-controls]"),prop:h.controls},{node:M.dom.overlay,prop:h.visual.show}],b=0;b0?A(function(){console.log("Workers created"),r(a)}):(n(),r(a))}function r(a){F.play(),a()}function s(){if("undefined"!=typeof document){var a=document.querySelector("#interactive.viewport");if(M.dom.image=document.querySelector("canvas.imgBuffer"),M.dom.image||(M.dom.image=document.createElement("canvas"),M.dom.image.className="imgBuffer",a&&"ImageStream"==h.inputStream.type&&a.appendChild(M.dom.image)),M.ctx.image=M.dom.image.getContext("2d"),M.dom.image.width=F.getCanvasSize().x,M.dom.image.height=F.getCanvasSize().y,M.dom.overlay=document.querySelector("canvas.drawingBuffer"),!M.dom.overlay){M.dom.overlay=document.createElement("canvas"),M.dom.overlay.className="drawingBuffer",a&&a.appendChild(M.dom.overlay);var b=document.createElement("br");b.setAttribute("clear","all"),a&&a.appendChild(b)}M.ctx.overlay=M.dom.overlay.getContext("2d"),M.dom.overlay.width=F.getCanvasSize().x,M.dom.overlay.height=F.getCanvasSize().y}}function t(a){I=a?a:new c({x:F.getWidth(),y:F.getHeight()}),console.log(I.size),J=[P.clone([0,0]),P.clone([0,I.size.y]),P.clone([I.size.x,I.size.y]),P.clone([I.size.x,0])],d.init(I,h.locator)}function u(){return h.locate?d.locate():[[P.clone(J[0]),P.clone(J[1]),P.clone(J[2]),P.clone(J[3])]]}function v(a){function b(a){for(var b=a.length;b--;)a[b][0]+=f,a[b][1]+=g}function c(a){a[0].x+=f,a[0].y+=g,a[1].x+=f,a[1].y+=g}var d,e=F.getTopRight(),f=e.x,g=e.y;if(a&&(0!==f||0!==g)&&(a.line&&2===a.line.length&&c(a.line),a.boxes&&a.boxes.length>0))for(d=0;d0){if(a=N.filter(function(a){return!a.busy})[0],!a)return;G.attachData(a.imageData)}else G.attachData(I.data);G.grab()&&(a?(a.busy=!0,a.worker.postMessage({cmd:"process",imageData:a.imageData},[a.imageData.buffer])):x())}else x()}function z(){H=!1,function a(){H||(y(),O&&"LiveStream"==h.inputStream.type&&window.requestAnimFrame(a))}()}function A(a){function b(b){N.push(b),N.length>=h.numOfWorkers&&a()}var c;for(N=[],c=0;c0&&N.forEach(function(b){b.worker.postMessage({cmd:"setReaders",readers:a})})}var F,G,H,I,J,K,L,M={ctx:{image:null,overlay:null},dom:{image:null,overlay:null}},N=[],O=!0,P=l.vec2;return{init:function(a,b,c){return h=g.mergeObjects(h,a),c?(O=!1,n(c),b()):void p(b)},start:function(){z()},stop:function(){H=!0,N.forEach(function(a){a.worker.terminate(),console.log("Worker terminated!")}),N.length=0,"LiveStream"===h.inputStream.type&&(j.release(),F.clearEventHandlers())},pause:function(){H=!0},onDetected:function(a){i.subscribe("detected",a)},offDetected:function(a){i.unsubscribe("detected",a)},onProcessed:function(a){i.subscribe("processed",a)},offProcessed:function(a){i.unsubscribe("processed",a)},setReaders:function(a){E(a)},registerResultCollector:function(a){a&&"function"==typeof a.addResult&&(L=a)},canvas:M,decodeSingle:function(a,b){a=g.mergeObjects({inputStream:{type:"ImageStream",sequence:!1,size:800,src:a.src},numOfWorkers:1,locator:{halfSample:!1}},a),this.init(a,function(){i.once("processed",function(a){H=!0,b.call(null,a)},!0),z()})},ImageWrapper:c,ImageDebug:k,ResultCollector:m}}),c("quagga")});
\ No newline at end of file
diff --git a/karma-integration.conf.js b/karma-integration.conf.js
index 1874ff7..5a3151d 100644
--- a/karma-integration.conf.js
+++ b/karma-integration.conf.js
@@ -6,7 +6,7 @@ module.exports = function(config) {
'test-main.js',
'src/typedefs.js',
{pattern: 'node_modules/async/lib/async.js', included: false},
- {pattern: 'node_modules/gl-matrix/dist/gl-matrix.js', included: false},
+ {pattern: 'node_modules/gl-matrix/dist/gl-matrix-min.js', included: false},
{pattern: 'src/*.js', included: false},
{pattern: 'spec/**/*integration.spec.js', included: false},
{pattern: 'test/**/*.*', included: false}
diff --git a/karma.conf.js b/karma.conf.js
index 2da346f..1f91d3f 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -6,7 +6,7 @@ module.exports = function(config) {
'test-main.js',
'src/typedefs.js',
{pattern: 'node_modules/async/lib/async.js', included: false},
- {pattern: 'node_modules/gl-matrix/dist/gl-matrix.js', included: false},
+ {pattern: 'node_modules/gl-matrix/dist/gl-matrix-min.js', included: false},
{pattern: 'src/*.js', included: false},
{pattern: 'spec/**/*.js', included: false},
{pattern: 'test/**/*.*', included: false}
diff --git a/package.json b/package.json
index 445555e..8af349c 100644
--- a/package.json
+++ b/package.json
@@ -1,27 +1,30 @@
{
"name": "quagga",
- "version": "0.6.15",
+ "version": "0.6.16",
"description": "An advanced barcode-scanner written in JavaScript",
"main": "lib/quagga.js",
"browser": "dist/quagga.js",
"devDependencies": {
- "async": "^0.9.0",
- "grunt": "~0.4.5",
- "grunt-contrib-jshint": "~0.10.0",
- "grunt-contrib-nodeunit": "~0.4.1",
- "grunt-contrib-uglify": "~0.5.0",
- "grunt-karma": "^0.9.0",
+ "async": "^1.4.2",
+ "chai": "^3.2.0",
+ "grunt": "^0.4.5",
+ "grunt-contrib-jshint": "^0.11.3",
+ "grunt-contrib-nodeunit": "^0.4.1",
+ "grunt-contrib-uglify": "^0.9.2",
+ "grunt-karma": "^0.12.1",
"grunt-requirejs": "^0.4.2",
- "karma": "latest",
- "karma-chai": "latest",
- "karma-chrome-launcher": "^0.1.12",
- "karma-coverage": "^0.3.1",
- "karma-mocha": "latest",
- "karma-phantomjs-launcher": "^0.1.4",
- "karma-requirejs": "^0.2.2",
+ "karma": "^0.13.9",
+ "karma-chai": "0.1.0",
+ "karma-chrome-launcher": "^0.2.0",
+ "karma-coverage": "^0.5.2",
+ "karma-mocha": "~0.2.0",
+ "karma-phantomjs-launcher": "^0.2.1",
+ "karma-requirejs": "~0.2.2",
"karma-sinon": "^1.0.4",
- "karma-sinon-chai": "^0.2.0",
- "sinon": "^1.12.1"
+ "karma-sinon-chai": "~0.2.0",
+ "mocha": "^2.3.2",
+ "requirejs": "^2.1.20",
+ "sinon": "^1.16.1"
},
"directories": {
"doc": "doc"
@@ -52,7 +55,7 @@
"author": "Christoph Oberhofer ",
"license": "MIT",
"dependencies": {
- "get-pixels": "^3.2.2",
- "gl-matrix": "^2.1.0"
+ "get-pixels": "^3.2.3",
+ "gl-matrix": "^2.3.1"
}
}
diff --git a/src/quagga.js b/src/quagga.js
index b638828..9fc0be7 100644
--- a/src/quagga.js
+++ b/src/quagga.js
@@ -333,10 +333,10 @@ function(InputStream,
blobURL = generateWorkerBlob();
workerThread.worker = new Worker(blobURL);
- URL.revokeObjectURL(blobURL);
workerThread.worker.onmessage = function(e) {
if (e.data.event === 'initialized') {
+ URL.revokeObjectURL(blobURL);
workerThread.busy = false;
workerThread.imageData = new Uint8Array(e.data.imageData);
console.log("Worker initialized");
@@ -345,6 +345,8 @@ function(InputStream,
workerThread.imageData = new Uint8Array(e.data.imageData);
workerThread.busy = false;
publishResult(e.data.result, workerThread.imageData);
+ } else if (e.data.event === 'error') {
+ console.log("Worker error: " + e.data.message);
}
};
@@ -359,10 +361,13 @@ function(InputStream,
function workerInterface(factory) {
if (factory) {
+ /* jshint ignore:start */
var Quagga = factory();
if (!Quagga) {
+ self.postMessage({'event': 'error', message: 'Quagga could not be created'});
return;
}
+ /* jshint ignore:end */
}
/* jshint ignore:start */
var imageWrapper;
diff --git a/src/typedefs.js b/src/typedefs.js
index 585dfb6..dc13ab5 100644
--- a/src/typedefs.js
+++ b/src/typedefs.js
@@ -19,3 +19,12 @@ if (typeof window !== 'undefined') {
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
}
+Math.imul = Math.imul || function(a, b) {
+ var ah = (a >>> 16) & 0xffff,
+ al = a & 0xffff,
+ bh = (b >>> 16) & 0xffff,
+ bl = b & 0xffff;
+ // the shift by 0 fixes the sign on the high part
+ // the final |0 converts the unsigned value into a signed value
+ return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0)|0);
+};
\ No newline at end of file
diff --git a/test-main.js b/test-main.js
index a730c12..6665e6f 100644
--- a/test-main.js
+++ b/test-main.js
@@ -46,7 +46,7 @@ require.config({
'upc_e_reader': 'src/upc_e_reader',
'upc_reader': 'src/upc_reader',
'async': 'node_modules/async/lib/async',
- 'gl-matrix': 'node_modules/gl-matrix/dist/gl-matrix',
+ 'gl-matrix': 'node_modules/gl-matrix/dist/gl-matrix-min',
'result_collector': 'src/result_collector',
'i2of5_reader': 'src/i2of5_reader'
},