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quaggaJS
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Updated to 0.6.9

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gh-pages
Christoph Oberhofer 10 years ago
parent 6e4f93fb26
commit 350c80551c
3 changed files with 87 additions and 99 deletions
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169
examples/js/quagga.js
Unescape Escape View File

@ -437,7 +437,7 @@ define("almond", function(){});
define( define(
'barcode_reader',[],function() { 'barcode_reader',[],function() {
"use strict";
function BarcodeReader() { function BarcodeReader() {
this._row = []; this._row = [];
@ -600,6 +600,9 @@ define(
} else { } else {
result.direction = BarcodeReader.DIRECTION.FORWARD; result.direction = BarcodeReader.DIRECTION.FORWARD;
} }
if (result) {
result.format = self.FORMAT;
}
return result; return result;
}; };
@ -614,6 +617,11 @@ define(
} }
return true; return true;
}; };
Object.defineProperty(BarcodeReader.prototype, "FORMAT", {
value: 'unknown',
writeable: false
});
BarcodeReader.DIRECTION = { BarcodeReader.DIRECTION = {
FORWARD : 1, FORWARD : 1,
@ -638,7 +646,7 @@ define(
"./barcode_reader" "./barcode_reader"
], ],
function(BarcodeReader) { function(BarcodeReader) {
"use strict";
function Code128Reader() { function Code128Reader() {
BarcodeReader.call(this); BarcodeReader.call(this);
@ -764,7 +772,8 @@ define(
[2, 3, 3, 1, 1, 1, 2] [2, 3, 3, 1, 1, 1, 2]
]}, ]},
SINGLE_CODE_ERROR: {value: 1}, SINGLE_CODE_ERROR: {value: 1},
AVG_CODE_ERROR: {value: 0.5} AVG_CODE_ERROR: {value: 0.5},
FORMAT: {value: "code_128", writeable: false}
}; };
Code128Reader.prototype = Object.create(BarcodeReader.prototype, properties); Code128Reader.prototype = Object.create(BarcodeReader.prototype, properties);
@ -811,58 +820,6 @@ define(
} }
return null; return null;
}; };
Code128Reader.prototype._findEnd = function() {
var counter = [0, 0, 0, 0, 0, 0, 0],
i,
self = this,
offset = self._nextSet(self._row),
isWhite = !self._row[offset],
counterPos = 0,
bestMatch = {
error : Number.MAX_VALUE,
code : -1,
start : 0,
end : 0
},
error,
j,
sum,
normalized;
for ( i = offset; i < self._row.length; i++) {
if (self._row[i] ^ isWhite) {
counter[counterPos]++;
} else {
if (counterPos === counter.length - 1) {
sum = 0;
for ( j = 0; j < counter.length; j++) {
sum += counter[j];
}
normalized = self._normalize(counter, 13);
error = self._matchPattern(normalized, self.CODE_PATTERN[self.STOP_CODE]);
if (error < self.AVG_CODE_ERROR) {
bestMatch.error = error;
bestMatch.start = i - sum;
bestMatch.end = i;
return bestMatch;
}
for ( j = 0; j < 5; j++) {
counter[j] = counter[j + 2];
}
counter[5] = 0;
counter[6] = 0;
counterPos--;
} else {
counterPos++;
}
counter[counterPos] = 1;
isWhite = !isWhite;
}
}
return null;
};
Code128Reader.prototype._findStart = function() { Code128Reader.prototype._findStart = function() {
var counter = [0, 0, 0, 0, 0, 0], var counter = [0, 0, 0, 0, 0, 0],
@ -1052,7 +1009,7 @@ define(
// find end bar // find end bar
code.end = self._nextUnset(self._row, code.end); code.end = self._nextUnset(self._row, code.end);
if (code.end === self._row.length) { if(!self._verifyTrailingWhitespace(code)){
return null; return null;
} }
@ -1063,9 +1020,15 @@ define(
return null; return null;
} }
if (!result.length) {
return null;
}
// remove last code from result (checksum) // remove last code from result (checksum)
result.splice(result.length - 1, 1); result.splice(result.length - 1, 1);
return { return {
code : result.join(""), code : result.join(""),
start : startInfo.start, start : startInfo.start,
@ -1076,6 +1039,20 @@ define(
endInfo : code endInfo : code
}; };
}; };
BarcodeReader.prototype._verifyTrailingWhitespace = function(endInfo) {
var self = this,
trailingWhitespaceEnd;
trailingWhitespaceEnd = endInfo.end + ((endInfo.end - endInfo.start) / 2);
if (trailingWhitespaceEnd < self._row.length) {
if (self._matchRange(endInfo.end, trailingWhitespaceEnd, 0)) {
return endInfo;
}
}
return null;
};
return (Code128Reader); return (Code128Reader);
} }
@ -1088,7 +1065,7 @@ define(
"./barcode_reader" "./barcode_reader"
], ],
function(BarcodeReader) { function(BarcodeReader) {
"use strict";
function EANReader(opts) { function EANReader(opts) {
BarcodeReader.call(this, opts); BarcodeReader.call(this, opts);
@ -1125,7 +1102,8 @@ define(
]}, ]},
CODE_FREQUENCY : {value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26]}, CODE_FREQUENCY : {value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26]},
SINGLE_CODE_ERROR: {value: 0.7}, SINGLE_CODE_ERROR: {value: 0.7},
AVG_CODE_ERROR: {value: 0.3} AVG_CODE_ERROR: {value: 0.3},
FORMAT: {value: "ean_13", writeable: false}
}; };
EANReader.prototype = Object.create(BarcodeReader.prototype, properties); EANReader.prototype = Object.create(BarcodeReader.prototype, properties);
@ -1416,7 +1394,7 @@ define(
/* global define */ /* global define */
define('image_loader',[],function() { define('image_loader',[],function() {
"use strict";
var ImageLoader = {}; var ImageLoader = {};
ImageLoader.load = function(directory, callback, offset, size, sequence) { ImageLoader.load = function(directory, callback, offset, size, sequence) {
@ -1480,7 +1458,7 @@ define('image_loader',[],function() {
/* global define */ /* global define */
define('input_stream',["image_loader"], function(ImageLoader) { define('input_stream',["image_loader"], function(ImageLoader) {
"use strict";
var InputStream = {}; var InputStream = {};
InputStream.createVideoStream = function(video) { InputStream.createVideoStream = function(video) {
@ -1827,7 +1805,7 @@ define("typedefs", (function (global) {
/* global define */ /* global define */
define('subImage',["typedefs"], function() { define('subImage',["typedefs"], function() {
"use strict";
/** /**
* Construct representing a part of another {ImageWrapper}. Shares data * Construct representing a part of another {ImageWrapper}. Shares data
@ -1924,7 +1902,7 @@ define('subImage',["typedefs"], function() {
/* global define, vec2 */ /* global define, vec2 */
define('cluster',[],function() { define('cluster',[],function() {
"use strict";
/** /**
* Creates a cluster for grouping similar orientations of datapoints * Creates a cluster for grouping similar orientations of datapoints
@ -4269,7 +4247,7 @@ define("glMatrixAddon", ["glMatrix"], (function (global) {
/* global define */ /* global define */
define('array_helper',[],function() { define('array_helper',[],function() {
"use strict";
return { return {
init : function(arr, val) { init : function(arr, val) {
@ -4356,7 +4334,7 @@ define('array_helper',[],function() {
define('cv_utils',['cluster', 'glMatrixAddon', "array_helper"], function(Cluster2, glMatrixAddon, ArrayHelper) { define('cv_utils',['cluster', 'glMatrixAddon', "array_helper"], function(Cluster2, glMatrixAddon, ArrayHelper) {
"use strict";
/* /*
* cv_utils.js * cv_utils.js
* Collection of CV functions and libraries * Collection of CV functions and libraries
@ -5073,7 +5051,7 @@ define('image_wrapper',[
], ],
function(SubImage, CVUtils, ArrayHelper) { function(SubImage, CVUtils, ArrayHelper) {
'use strict';
/** /**
* Represents a basic image combining the data and size. * Represents a basic image combining the data and size.
@ -5494,7 +5472,7 @@ define('image_wrapper',[
* http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization
*/ */
define('tracer',[],function() { define('tracer',[],function() {
"use strict";
var Tracer = { var Tracer = {
searchDirections : [[0, 1], [1, 1], [1, 0], [1, -1], [0, -1], [-1, -1], [-1, 0], [-1, 1]], searchDirections : [[0, 1], [1, 1], [1, 0], [1, -1], [0, -1], [-1, -1], [-1, 0], [-1, 1]],
@ -5603,7 +5581,7 @@ define('tracer',[],function() {
* http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization * http://www.codeproject.com/Tips/407172/Connected-Component-Labeling-and-Vectorization
*/ */
define('rasterizer',["tracer"], function(Tracer) { define('rasterizer',["tracer"], function(Tracer) {
"use strict";
var Rasterizer = { var Rasterizer = {
createContour2D : function() { createContour2D : function() {
@ -5799,7 +5777,7 @@ define('rasterizer',["tracer"], function(Tracer) {
/* global define */ /* global define */
define('skeletonizer',[],function() { define('skeletonizer',[],function() {
"use strict";
/* @preserve ASM BEGIN */ /* @preserve ASM BEGIN */
function Skeletonizer(stdlib, foreign, buffer) { function Skeletonizer(stdlib, foreign, buffer) {
@ -6004,7 +5982,7 @@ define('skeletonizer',[],function() {
/* global define */ /* global define */
define('image_debug',[],function() { define('image_debug',[],function() {
"use strict";
return { return {
drawRect: function(pos, size, ctx, style){ drawRect: function(pos, size, ctx, style){
@ -6595,7 +6573,7 @@ function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, I
/* global define */ /* global define */
define('bresenham',["cv_utils", "image_wrapper"], function(CVUtils, ImageWrapper) { define('bresenham',["cv_utils", "image_wrapper"], function(CVUtils, ImageWrapper) {
"use strict";
var Bresenham = {}; var Bresenham = {};
var Slope = { var Slope = {
@ -6815,7 +6793,7 @@ define(
"./array_helper" "./array_helper"
], ],
function(BarcodeReader, ArrayHelper) { function(BarcodeReader, ArrayHelper) {
"use strict";
function Code39Reader() { function Code39Reader() {
BarcodeReader.call(this); BarcodeReader.call(this);
@ -6825,7 +6803,8 @@ define(
ALPHABETH_STRING: {value: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%"}, ALPHABETH_STRING: {value: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%"},
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]}, 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: [0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A]}, CHARACTER_ENCODINGS: {value: [0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124, 0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C, 0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007, 0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0, 0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A]},
ASTERISK: {value: 0x094} ASTERISK: {value: 0x094},
FORMAT: {value: "code_39", writeable: false}
}; };
Code39Reader.prototype = Object.create(BarcodeReader.prototype, properties); Code39Reader.prototype = Object.create(BarcodeReader.prototype, properties);
@ -7034,7 +7013,7 @@ define(
"./code_39_reader" "./code_39_reader"
], ],
function(Code39Reader) { function(Code39Reader) {
"use strict";
function Code39VINReader() { function Code39VINReader() {
Code39Reader.call(this); Code39Reader.call(this);
@ -7094,7 +7073,7 @@ define(
"./barcode_reader" "./barcode_reader"
], ],
function(BarcodeReader) { function(BarcodeReader) {
"use strict";
function CodabarReader() { function CodabarReader() {
BarcodeReader.call(this); BarcodeReader.call(this);
@ -7108,7 +7087,8 @@ define(
START_END: {value: [0x01A, 0x029, 0x00B, 0x00E]}, START_END: {value: [0x01A, 0x029, 0x00B, 0x00E]},
MIN_ENCODED_CHARS: {value: 4}, MIN_ENCODED_CHARS: {value: 4},
MAX_ACCEPTABLE: {value: 2.0}, MAX_ACCEPTABLE: {value: 2.0},
PADDING: {value: 1.5} PADDING: {value: 1.5},
FORMAT: {value: "codabar", writeable: false}
}; };
CodabarReader.prototype = Object.create(BarcodeReader.prototype, properties); CodabarReader.prototype = Object.create(BarcodeReader.prototype, properties);
@ -7407,13 +7387,17 @@ define(
"./ean_reader" "./ean_reader"
], ],
function(EANReader) { function(EANReader) {
"use strict";
function UPCReader() { function UPCReader() {
EANReader.call(this); EANReader.call(this);
} }
UPCReader.prototype = Object.create(EANReader.prototype); var properties = {
FORMAT: {value: "upc_a", writeable: false}
};
UPCReader.prototype = Object.create(EANReader.prototype, properties);
UPCReader.prototype.constructor = UPCReader; UPCReader.prototype.constructor = UPCReader;
UPCReader.prototype._decode = function() { UPCReader.prototype._decode = function() {
@ -7438,13 +7422,17 @@ define(
"./ean_reader" "./ean_reader"
], ],
function(EANReader) { function(EANReader) {
"use strict";
function EAN8Reader() { function EAN8Reader() {
EANReader.call(this); EANReader.call(this);
} }
EAN8Reader.prototype = Object.create(EANReader.prototype); var properties = {
FORMAT: {value: "ean_8", writeable: false}
};
EAN8Reader.prototype = Object.create(EANReader.prototype, properties);
EAN8Reader.prototype.constructor = EAN8Reader; EAN8Reader.prototype.constructor = EAN8Reader;
EAN8Reader.prototype._decodePayload = function(code, result, decodedCodes) { EAN8Reader.prototype._decodePayload = function(code, result, decodedCodes) {
@ -7489,7 +7477,7 @@ define(
"./ean_reader" "./ean_reader"
], ],
function(EANReader) { function(EANReader) {
"use strict";
function UPCEReader() { function UPCEReader() {
EANReader.call(this); EANReader.call(this);
@ -7499,7 +7487,8 @@ define(
CODE_FREQUENCY : {value: [ CODE_FREQUENCY : {value: [
[ 56, 52, 50, 49, 44, 38, 35, 42, 41, 37 ], [ 56, 52, 50, 49, 44, 38, 35, 42, 41, 37 ],
[7, 11, 13, 14, 19, 25, 28, 21, 22, 26]]}, [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]} 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: false}
}; };
UPCEReader.prototype = Object.create(EANReader.prototype, properties); UPCEReader.prototype = Object.create(EANReader.prototype, properties);
@ -7618,7 +7607,7 @@ define('barcode_decoder',[
UPCReader, UPCReader,
EAN8Reader, EAN8Reader,
UPCEReader) { UPCEReader) {
"use strict";
var readers = { var readers = {
code_128_reader: Code128Reader, code_128_reader: Code128Reader,
@ -7644,8 +7633,7 @@ define('barcode_decoder',[
overlay : null overlay : null
} }
}, },
_barcodeReaders = [], _barcodeReaders = [];
_barcodeReader = null;
initCanvas(); initCanvas();
initReaders(); initReaders();
@ -7766,9 +7754,6 @@ define('barcode_decoder',[
for ( i = 0; i < _barcodeReaders.length && result === null; i++) { for ( i = 0; i < _barcodeReaders.length && result === null; i++) {
result = _barcodeReaders[i].decodePattern(barcodeLine.line); result = _barcodeReaders[i].decodePattern(barcodeLine.line);
if (result !== null) {
_barcodeReader = _barcodeReaders[i];
}
} }
if(result === null){ if(result === null){
return null; return null;
@ -7897,7 +7882,7 @@ define('barcode_decoder',[
/* global define */ /* global define */
define('frame_grabber',["cv_utils"], function(CVUtils) { define('frame_grabber',["cv_utils"], function(CVUtils) {
"use strict";
var FrameGrabber = {}; var FrameGrabber = {};
@ -7976,7 +7961,7 @@ define('frame_grabber',["cv_utils"], function(CVUtils) {
/* global define */ /* global define */
define('html_utils',[], function() { define('html_utils',[], function() {
"use strict";
function createNode(htmlStr) { function createNode(htmlStr) {
var temp = document.createElement('div'); var temp = document.createElement('div');
@ -8076,7 +8061,7 @@ define('config',[],function(){
/* global define */ /* global define */
define('events',[],function() { define('events',[],function() {
"use strict";
var _events = function() { var _events = function() {
var events = {}; var events = {};
@ -8167,7 +8152,7 @@ define('events',[],function() {
/* global define, MediaStreamTrack */ /* global define, MediaStreamTrack */
define('camera_access',["html_utils"], function(HtmlUtils) { define('camera_access',["html_utils"], function(HtmlUtils) {
"use strict";
var streamRef, var streamRef,
loadedDataHandler; loadedDataHandler;
@ -8332,7 +8317,7 @@ function(Code128Reader,
Events, Events,
CameraAccess, CameraAccess,
ImageDebug) { ImageDebug) {
"use strict";
var _inputStream, var _inputStream,
_framegrabber, _framegrabber,

8
examples/js/quagga.min.js vendored
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File diff suppressed because one or more lines are too long

9
index.md
Unescape Escape View File

@ -7,7 +7,7 @@ showInMenu: true
quaggaJS quaggaJS
======== ========
- [Changelog](#changelog) (2015-06-13) - [Changelog](#changelog) (2015-06-14)
## What is QuaggaJS? ## What is QuaggaJS?
@ -149,8 +149,8 @@ empty.
```javascript ```javascript
{ {
"codeResult": { "codeResult": {
"code": "FANAVF1461710", "code": "FANAVF1461710", // the decoded code as a string
"start": 355, "format": "code_128", // or code_39, codabar, ean_13, ean_8, upc_a, upc_e
"end": 26, "end": 26,
"codeset": 100, "codeset": 100,
"startInfo": { "startInfo": {
@ -299,6 +299,9 @@ work.
## <a name="changelog">Changelog</a> ## <a name="changelog">Changelog</a>
### 2015-06-14
- Improvements
- Added ``format`` property to ``codeResult`` (in [result](#resultobject))
### 2015-06-13 ### 2015-06-13
- Improvements - Improvements

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