Lars Jung
11 years ago
parent
2b106ad642
commit
672549f4ac
@ -0,0 +1,30 @@
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# editorconfig.org
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root = true
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[*]
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charset = utf-8
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indent_style = space
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indent_size = 4
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end_of_line = lf
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insert_final_newline = true
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trim_trailing_whitespace = true
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[package.json]
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indent_style = space
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indent_size = 2
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[.travis.yml]
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indent_style = space
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indent_size = 2
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[*.md]
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trim_trailing_whitespace = false
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[*.jade]
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trim_trailing_whitespace = false
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File diff suppressed because it is too large
Load Diff
File diff suppressed because one or more lines are too long
@ -1,92 +0,0 @@
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/*jshint node: true */
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'use strict';
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module.exports = function (make) {
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var path = require('path'),
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pkg = require('./package.json'),
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$ = make.fQuery,
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root = path.resolve(__dirname),
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src = path.join(root, 'src'),
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dist = path.join(root, 'dist'),
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build = path.join(root, 'build');
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make.version('=0.11.0');
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make.defaults('release');
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make.target('clean', [], 'delete build folder').sync(function () {
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$.DELETE(build);
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$.DELETE(dist);
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});
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make.target('lint', [], 'lint all JavaScript files with JSHint').sync(function () {
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var options = {
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// Enforcing Options
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bitwise: true,
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curly: true,
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eqeqeq: true,
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forin: true,
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latedef: true,
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newcap: true,
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noempty: true,
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plusplus: true,
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trailing: true,
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undef: true,
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// Environments
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browser: true
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},
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global = {
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'jQuery': true,
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'qrcode': true
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};
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$(src + ': jquery.qrcode.js, demo/scripts.js').log(-3)
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.jshint(options, global);
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});
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make.target('build', ['clean', 'lint'], 'build all files').sync(function () {
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var header = '/* ' + pkg.displayName + ' ' + pkg.version + ' - ' + pkg.homepage + ' - uses //github.com/kazuhikoarase/qrcode-generator (MIT) */\n';
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var env = {pkg: pkg};
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$(src + ': jquery.qrcode.js')
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.includify()
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.handlebars(env)
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.wrap(header)
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.WRITE($.map.p(src, dist))
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.WRITE($.map.p(src, build).s('.js', '-' + pkg.version + '.js'))
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.uglifyjs()
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.wrap(header)
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.WRITE($.map.p(src, dist).s('.js', '.min.js'))
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.WRITE($.map.p(src, build).s('.js', '-' + pkg.version + '.min.js'));
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$(src + ': **, ! *.js')
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.handlebars(env)
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.WRITE($.map.p(src, build));
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$(root + ': *.md')
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.handlebars(env)
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.WRITE($.map.p(root, build));
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});
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make.target('release', ['build'], 'create a zipball').async(function (done, fail) {
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$(build + ': **').shzip({
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target: path.join(build, pkg.name + '-' + pkg.version + '.zip'),
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dir: build,
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callback: done
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});
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});
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};
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@ -0,0 +1,87 @@
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/*jshint node: true */
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'use strict';
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module.exports = function (suite) {
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var path = require('path');
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var root = path.resolve(__dirname);
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var src = path.join(root, 'src');
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var dist = path.join(root, 'dist');
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var build = path.join(root, 'build');
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var $ = require('fquery');
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$.plugin('fquery-handlebars');
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$.plugin('fquery-includeit');
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$.plugin('fquery-jshint');
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$.plugin('fquery-jszip');
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$.plugin('fquery-uglifyjs');
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suite.defaults('release');
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suite.target('clean', [], 'delete build folder').task(function () {
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$([build, dist], {dirs: true}).delete();
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});
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suite.target('lint', [], 'lint all JavaScript files with JSHint').task(function () {
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var options = {
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// Enforcing Options
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bitwise: true,
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curly: true,
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eqeqeq: true,
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forin: true,
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latedef: true,
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newcap: true,
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noempty: true,
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plusplus: true,
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trailing: true,
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undef: true,
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// Environments
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browser: true
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};
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var global = {
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'jQuery': true,
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'qrcode': true
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};
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$(src + ': jquery.qrcode.js, demo/scripts.js')
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.jshint(options, global);
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});
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suite.target('release', ['clean', 'lint'], 'build all files and create a zipball').task(function () {
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var pkg = require('./package.json');
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var header = '/* ' + pkg.displayName + ' ' + pkg.version + ' - ' + pkg.homepage + ' - uses //github.com/kazuhikoarase/qrcode-generator (MIT) */\n';
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var target = path.join(build, pkg.name + '-' + pkg.version + '.zip');
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var env = {pkg: pkg};
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$(src + ': jquery.qrcode.js')
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.includeit()
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.wrap(header)
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.write($.map.p(src, dist), true)
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.write($.map.p(src, build).s('.js', '-' + pkg.version + '.js'), true)
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.uglifyjs()
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.wrap(header)
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.write($.map.p(src, dist).s('.js', '.min.js'), true)
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.write($.map.p(src, build).s('.js', '-' + pkg.version + '.min.js'), true);
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$(src + ': **, ! *.js')
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.handlebars(env)
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.write($.map.p(src, build), true);
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$(root + ': *.md')
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.write($.map.p(root, build), true);
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$(build + ': **')
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.jszip({dir: build})
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.write(target, true);
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});
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};
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@ -1,103 +1,104 @@
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(function () {
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'use strict';
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(function ($) {
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'use strict';
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var $ = jQuery;
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var isOpera = Object.prototype.toString.call(window.opera) === '[object Opera]',
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var isOpera = Object.prototype.toString.call(window.opera) === '[object Opera]',
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guiValuePairs = [
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["size", "px"],
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["minversion", ""],
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["quiet", " modules"],
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["radius", "%"],
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["msize", "%"],
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["mposx", "%"],
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["mposy", "%"]
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],
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guiValuePairs = [
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["size", "px"],
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["minversion", ""],
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["quiet", " modules"],
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["radius", "%"],
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["msize", "%"],
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["mposx", "%"],
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["mposy", "%"]
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],
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updateGui = function () {
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updateGui = function () {
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$.each(guiValuePairs, function (idx, pair) {
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$.each(guiValuePairs, function (idx, pair) {
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var $label = $('label[for="' + pair[0] + '"]');
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var $label = $('label[for="' + pair[0] + '"]');
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$label.text($label.text().replace(/:.*/, ': ' + $('#' + pair[0]).val() + pair[1]));
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});
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},
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$label.text($label.text().replace(/:.*/, ': ' + $('#' + pair[0]).val() + pair[1]));
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});
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},
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updateQrCode = function () {
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updateQrCode = function () {
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var options = {
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render: $("#render").val(),
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ecLevel: $("#eclevel").val(),
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minVersion: parseInt($("#minversion").val(), 10),
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var options = {
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render: $("#render").val(),
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ecLevel: $("#eclevel").val(),
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minVersion: parseInt($("#minversion").val(), 10),
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fill: $("#fill").val(),
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background: $("#background").val(),
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// fill: $("#img-buffer")[0],
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fill: $("#fill").val(),
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background: $("#background").val(),
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// fill: $("#img-buffer")[0],
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text: $("#text").val(),
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size: parseInt($("#size").val(), 10),
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radius: parseInt($("#radius").val(), 10) * 0.01,
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quiet: parseInt($("#quiet").val(), 10),
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text: $("#text").val(),
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size: parseInt($("#size").val(), 10),
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radius: parseInt($("#radius").val(), 10) * 0.01,
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quiet: parseInt($("#quiet").val(), 10),
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mode: parseInt($("#mode").val(), 10),
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mode: parseInt($("#mode").val(), 10),
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mSize: parseInt($("#msize").val(), 10) * 0.01,
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mPosX: parseInt($("#mposx").val(), 10) * 0.01,
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mPosY: parseInt($("#mposy").val(), 10) * 0.01,
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mSize: parseInt($("#msize").val(), 10) * 0.01,
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mPosX: parseInt($("#mposx").val(), 10) * 0.01,
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mPosY: parseInt($("#mposy").val(), 10) * 0.01,
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label: $("#label").val(),
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fontname: $("#font").val(),
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fontcolor: $("#fontcolor").val(),
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label: $("#label").val(),
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fontname: $("#font").val(),
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fontcolor: $("#fontcolor").val(),
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image: $("#img-buffer")[0]
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};
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image: $("#img-buffer")[0]
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};
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$("#container").empty().qrcode(options);
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},
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$("#container").empty().qrcode(options);
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},
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update = function () {
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update = function () {
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updateGui();
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updateQrCode();
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},
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updateGui();
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updateQrCode();
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},
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onImageInput = function () {
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onImageInput = function () {
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var input = $("#image")[0];
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var input = $("#image")[0];
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if (input.files && input.files[0]) {
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if (input.files && input.files[0]) {
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var reader = new FileReader();
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var reader = new FileReader();
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reader.onload = function (event) {
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$("#img-buffer").attr("src", event.target.result);
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$("#mode").val("4");
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setTimeout(update, 250);
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};
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reader.readAsDataURL(input.files[0]);
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}
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},
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reader.onload = function (event) {
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$("#img-buffer").attr("src", event.target.result);
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$("#mode").val("4");
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setTimeout(update, 250);
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};
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reader.readAsDataURL(input.files[0]);
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}
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},
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download = function (event) {
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download = function (event) {
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var data = $("#container canvas")[0].toDataURL('image/png');
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$("#download").attr("href", data);
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};
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var data = $("#container canvas")[0].toDataURL('image/png');
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$("#download").attr("href", data);
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};
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$(function () {
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$(function () {
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if (isOpera) {
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$('html').addClass('opera');
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$('#radius').prop('disabled', true);
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}
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if (isOpera) {
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$('html').addClass('opera');
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$('#radius').prop('disabled', true);
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}
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$("#download").on("click", download);
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$("#image").on('change', onImageInput);
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$("input, textarea, select").on("input change", update);
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$(window).load(update);
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update();
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});
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$("#download").on("click", download);
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$("#image").on('change', onImageInput);
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$("input, textarea, select").on("input change", update);
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$(window).load(update);
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update();
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});
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}(jQuery));
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}());
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@ -1,112 +1,111 @@
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body {
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font-family: Ubuntu;
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margin: 0;
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padding: 0;
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text-align: center;
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background: repeat url("back.png");
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font-family: Ubuntu;
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margin: 0;
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padding: 0;
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text-align: center;
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background: repeat url("back.png");
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}
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#banner {
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display: block;
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text-decoration: none;
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color: rgb(29, 119, 194);
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padding: 12px 0 0;
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text-align: center;
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display: block;
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text-decoration: none;
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color: rgb(29, 119, 194);
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padding: 12px 0 0;
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text-align: center;
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}
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#banner:hover {
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color: #333;
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color: #333;
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}
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#container {
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display: inline-block;
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margin: 20px auto;
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box-shadow: 0 0 16px rgba(0,0,0,0.5);
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display: inline-block;
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margin: 20px auto;
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box-shadow: 0 0 16px rgba(0,0,0,0.5);
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}
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#container > * {
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display: block;
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display: block;
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}
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.control {
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position: absolute;
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background-color: #f8f8f8;
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top: 0;
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width: 190px;
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box-shadow: 0 0 32px rgba(0,0,0,0.5);
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overflow: hidden;
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text-align: left;
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position: absolute;
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background-color: #f8f8f8;
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top: 0;
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width: 190px;
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box-shadow: 0 0 32px rgba(0,0,0,0.5);
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overflow: hidden;
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text-align: left;
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}
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.control.left {
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left: 0;
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left: 0;
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}
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.control.right {
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right: 0;
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right: 0;
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}
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hr {
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margin: 12px 0 0;
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padding: 0;
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border: none;
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height: 1px;
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background-color: rgba(0,0,0,0.1);
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margin: 12px 0 0;
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padding: 0;
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border: none;
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height: 1px;
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background-color: rgba(0,0,0,0.1);
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}
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label {
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font-size: 10px;
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color: #bbb;
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padding: 12px 4px 0 4px;
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font-size: 10px;
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color: #bbb;
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padding: 12px 4px 0 4px;
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}
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html.opera label[for="radius"] {
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color: #e55;
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color: #e55;
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}
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#download {
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text-align: center;
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font-weight: bold;
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text-decoration: none;
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display: block;
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color: #555;
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background-color: #ddd;
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margin: 4px;
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padding: 8px 0;
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border: 1px solid #ddd;
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cursor: pointer;
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text-align: center;
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font-weight: bold;
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text-decoration: none;
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display: block;
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color: #555;
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background-color: #ddd;
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margin: 4px;
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padding: 8px 0;
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border: 1px solid #ddd;
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cursor: pointer;
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}
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input, textarea, select {
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font-family: Ubuntu;
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display: block;
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background-color: #fff;
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margin: 2px;
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padding: 0 2px;
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border: 1px solid #ddd;
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width: 180px;
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height: 22px;
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font-family: Ubuntu;
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display: block;
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background-color: #fff;
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margin: 2px;
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padding: 0 2px;
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border: 1px solid #ddd;
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width: 180px;
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height: 22px;
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}
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#text {
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height: 48px;
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height: 48px;
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}
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#img-buffer {
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display: none;
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display: none;
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}
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input[type="range"] {
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-webkit-appearance: none;
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cursor: pointer;
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||||
-webkit-appearance: none;
|
||||
cursor: pointer;
|
||||
}
|
||||
input::-webkit-slider-thumb {
|
||||
-webkit-appearance: none;
|
||||
width: 16px;
|
||||
height: 16px;
|
||||
border-radius: 3px;
|
||||
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #aaa), color-stop(1, #aaa) );
|
||||
-webkit-appearance: none;
|
||||
width: 16px;
|
||||
height: 16px;
|
||||
border-radius: 3px;
|
||||
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #aaa), color-stop(1, #aaa) );
|
||||
}
|
||||
|
||||
@ -1,469 +1,471 @@
|
||||
(function ($) {
|
||||
'use strict';
|
||||
|
||||
|
||||
// Wrapper for the original QR code generator.
|
||||
var QRCode = function (text, level, version, quiet) {
|
||||
(function () {
|
||||
'use strict';
|
||||
|
||||
var $ = jQuery;
|
||||
|
||||
// Wrapper for the original QR code generator.
|
||||
var QRCode = function (text, level, version, quiet) {
|
||||
|
||||
// `qrcode` is the single public function that will be defined by the `QR Code Generator`
|
||||
// at the end of the file.
|
||||
var qr = qrcode(version, level);
|
||||
qr.addData(text);
|
||||
qr.make();
|
||||
|
||||
quiet = quiet || 0;
|
||||
|
||||
var qrModuleCount = qr.getModuleCount(),
|
||||
quietModuleCount = qr.getModuleCount() + 2*quiet,
|
||||
isDark = function (row, col) {
|
||||
|
||||
row -= quiet;
|
||||
col -= quiet;
|
||||
|
||||
if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return qr.isDark(row, col);
|
||||
},
|
||||
addBlank = function (l, t, r, b) {
|
||||
|
||||
var prevIsDark = this.isDark,
|
||||
moduleSize = 1 / quietModuleCount;
|
||||
|
||||
this.isDark = function (row, col) {
|
||||
|
||||
var ml = col * moduleSize,
|
||||
mt = row * moduleSize,
|
||||
mr = ml + moduleSize,
|
||||
mb = mt + moduleSize;
|
||||
|
||||
return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b);
|
||||
};
|
||||
};
|
||||
|
||||
this.text = text;
|
||||
this.level = level;
|
||||
this.version = version;
|
||||
this.moduleCount = quietModuleCount;
|
||||
this.isDark = isDark;
|
||||
this.addBlank = addBlank;
|
||||
},
|
||||
|
||||
// Check if canvas is available in the browser (as Modernizr does)
|
||||
canvasAvailable = (function () {
|
||||
|
||||
var elem = document.createElement('canvas');
|
||||
return !!(elem.getContext && elem.getContext('2d'));
|
||||
}()),
|
||||
|
||||
arcToAvailable = Object.prototype.toString.call(window.opera) !== '[object Opera]',
|
||||
|
||||
// Returns a minimal QR code for the given text starting with version `minVersion`.
|
||||
// Returns `null` if `text` is too long to be encoded in `maxVersion`.
|
||||
createQRCode = function (text, level, minVersion, maxVersion, quiet) {
|
||||
|
||||
minVersion = Math.max(1, minVersion || 1);
|
||||
maxVersion = Math.min(40, maxVersion || 40);
|
||||
for (var version = minVersion; version <= maxVersion; version += 1) {
|
||||
try {
|
||||
return new QRCode(text, level, version, quiet);
|
||||
} catch (err) {}
|
||||
}
|
||||
},
|
||||
|
||||
drawBackgroundLabel = function (qr, context, settings) {
|
||||
|
||||
var size = settings.size,
|
||||
font = "bold " + (settings.mSize * size) + "px " + settings.fontname,
|
||||
ctx = $('<canvas/>')[0].getContext("2d");
|
||||
|
||||
ctx.font = font;
|
||||
|
||||
var w = ctx.measureText(settings.label).width,
|
||||
sh = settings.mSize,
|
||||
sw = w / size,
|
||||
sl = (1 - sw) * settings.mPosX,
|
||||
st = (1 - sh) * settings.mPosY,
|
||||
sr = sl + sw,
|
||||
sb = st + sh,
|
||||
pad = 0.01;
|
||||
|
||||
if (settings.mode === 1) {
|
||||
// Strip
|
||||
qr.addBlank(0, st - pad, size, sb + pad);
|
||||
} else {
|
||||
// Box
|
||||
qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
|
||||
}
|
||||
|
||||
context.fillStyle = settings.fontcolor;
|
||||
context.font = font;
|
||||
context.fillText(settings.label, sl*size, st*size + 0.75 * settings.mSize * size);
|
||||
},
|
||||
|
||||
drawBackgroundImage = function (qr, context, settings) {
|
||||
|
||||
var size = settings.size,
|
||||
w = settings.image.naturalWidth || 1,
|
||||
h = settings.image.naturalHeight || 1,
|
||||
sh = settings.mSize,
|
||||
sw = sh * w / h,
|
||||
sl = (1 - sw) * settings.mPosX,
|
||||
st = (1 - sh) * settings.mPosY,
|
||||
sr = sl + sw,
|
||||
sb = st + sh,
|
||||
pad = 0.01;
|
||||
|
||||
if (settings.mode === 3) {
|
||||
// Strip
|
||||
qr.addBlank(0, st - pad, size, sb + pad);
|
||||
} else {
|
||||
// Box
|
||||
qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
|
||||
}
|
||||
|
||||
context.drawImage(settings.image, sl*size, st*size, sw*size, sh*size);
|
||||
},
|
||||
|
||||
drawBackground = function (qr, context, settings) {
|
||||
|
||||
if ($(settings.background).is('img')) {
|
||||
context.drawImage(settings.background, 0, 0, settings.size, settings.size);
|
||||
} else if (settings.background) {
|
||||
context.fillStyle = settings.background;
|
||||
context.fillRect(settings.left, settings.top, settings.size, settings.size);
|
||||
}
|
||||
|
||||
var mode = settings.mode;
|
||||
if (mode === 1 || mode === 2) {
|
||||
drawBackgroundLabel(qr, context, settings);
|
||||
} else if (mode === 3 || mode === 4) {
|
||||
drawBackgroundImage(qr, context, settings);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleDefault = function (qr, context, settings, left, top, width, row, col) {
|
||||
|
||||
if (qr.isDark(row, col)) {
|
||||
context.rect(left, top, width, width);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleRoundedDark = function (ctx, l, t, r, b, rad, nw, ne, se, sw) {
|
||||
|
||||
if (nw) {
|
||||
ctx.moveTo(l + rad, t);
|
||||
} else {
|
||||
ctx.moveTo(l, t);
|
||||
}
|
||||
|
||||
if (ne) {
|
||||
ctx.lineTo(r - rad, t);
|
||||
ctx.arcTo(r, t, r, b, rad);
|
||||
} else {
|
||||
ctx.lineTo(r, t);
|
||||
}
|
||||
|
||||
if (se) {
|
||||
ctx.lineTo(r, b - rad);
|
||||
ctx.arcTo(r, b, l, b, rad);
|
||||
} else {
|
||||
ctx.lineTo(r, b);
|
||||
}
|
||||
|
||||
if (sw) {
|
||||
ctx.lineTo(l + rad, b);
|
||||
ctx.arcTo(l, b, l, t, rad);
|
||||
} else {
|
||||
ctx.lineTo(l, b);
|
||||
}
|
||||
|
||||
if (nw) {
|
||||
ctx.lineTo(l, t + rad);
|
||||
ctx.arcTo(l, t, r, t, rad);
|
||||
} else {
|
||||
ctx.lineTo(l, t);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleRoundendLight = function (ctx, l, t, r, b, rad, nw, ne, se, sw) {
|
||||
|
||||
if (nw) {
|
||||
ctx.moveTo(l + rad, t);
|
||||
ctx.lineTo(l, t);
|
||||
ctx.lineTo(l, t + rad);
|
||||
ctx.arcTo(l, t, l + rad, t, rad);
|
||||
}
|
||||
|
||||
if (ne) {
|
||||
ctx.moveTo(r - rad, t);
|
||||
ctx.lineTo(r, t);
|
||||
ctx.lineTo(r, t + rad);
|
||||
ctx.arcTo(r, t, r - rad, t, rad);
|
||||
}
|
||||
|
||||
if (se) {
|
||||
ctx.moveTo(r - rad, b);
|
||||
ctx.lineTo(r, b);
|
||||
ctx.lineTo(r, b - rad);
|
||||
ctx.arcTo(r, b, r - rad, b, rad);
|
||||
}
|
||||
|
||||
if (sw) {
|
||||
ctx.moveTo(l + rad, b);
|
||||
ctx.lineTo(l, b);
|
||||
ctx.lineTo(l, b - rad);
|
||||
ctx.arcTo(l, b, l + rad, b, rad);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleRounded = function (qr, context, settings, left, top, width, row, col) {
|
||||
|
||||
var isDark = qr.isDark,
|
||||
right = left + width,
|
||||
bottom = top + width,
|
||||
radius = settings.radius * width,
|
||||
rowT = row - 1,
|
||||
rowB = row + 1,
|
||||
colL = col - 1,
|
||||
colR = col + 1,
|
||||
center = isDark(row, col),
|
||||
northwest = isDark(rowT, colL),
|
||||
north = isDark(rowT, col),
|
||||
northeast = isDark(rowT, colR),
|
||||
east = isDark(row, colR),
|
||||
southeast = isDark(rowB, colR),
|
||||
south = isDark(rowB, col),
|
||||
southwest = isDark(rowB, colL),
|
||||
west = isDark(row, colL);
|
||||
|
||||
if (center) {
|
||||
drawModuleRoundedDark(context, left, top, right, bottom, radius, !north && !west, !north && !east, !south && !east, !south && !west);
|
||||
} else {
|
||||
drawModuleRoundendLight(context, left, top, right, bottom, radius, north && west && northwest, north && east && northeast, south && east && southeast, south && west && southwest);
|
||||
}
|
||||
},
|
||||
|
||||
drawModules = function (qr, context, settings) {
|
||||
|
||||
var moduleCount = qr.moduleCount,
|
||||
moduleSize = settings.size / moduleCount,
|
||||
fn = drawModuleDefault,
|
||||
row, col;
|
||||
|
||||
if (arcToAvailable && settings.radius > 0 && settings.radius <= 0.5) {
|
||||
fn = drawModuleRounded;
|
||||
}
|
||||
|
||||
context.beginPath();
|
||||
for (row = 0; row < moduleCount; row += 1) {
|
||||
for (col = 0; col < moduleCount; col += 1) {
|
||||
|
||||
var l = settings.left + col * moduleSize,
|
||||
t = settings.top + row * moduleSize,
|
||||
w = moduleSize;
|
||||
|
||||
fn(qr, context, settings, l, t, w, row, col);
|
||||
}
|
||||
}
|
||||
if ($(settings.fill).is('img')) {
|
||||
context.strokeStyle = 'rgba(0,0,0,0.5)';
|
||||
context.lineWidth = 2;
|
||||
context.stroke();
|
||||
var prev = context.globalCompositeOperation;
|
||||
context.globalCompositeOperation = "destination-out";
|
||||
context.fill();
|
||||
context.globalCompositeOperation = prev;
|
||||
|
||||
context.clip();
|
||||
context.drawImage(settings.fill, 0, 0, settings.size, settings.size);
|
||||
context.restore();
|
||||
} else {
|
||||
context.fillStyle = settings.fill;
|
||||
context.fill();
|
||||
}
|
||||
},
|
||||
|
||||
// Draws QR code to the given `canvas` and returns it.
|
||||
drawOnCanvas = function (canvas, settings) {
|
||||
|
||||
var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
|
||||
if (!qr) {
|
||||
return null;
|
||||
}
|
||||
|
||||
var $canvas = $(canvas).data('qrcode', qr),
|
||||
context = $canvas[0].getContext('2d');
|
||||
|
||||
drawBackground(qr, context, settings);
|
||||
drawModules(qr, context, settings);
|
||||
|
||||
return $canvas;
|
||||
},
|
||||
|
||||
// Returns a `canvas` element representing the QR code for the given settings.
|
||||
createCanvas = function (settings) {
|
||||
|
||||
var $canvas = $('<canvas/>').attr('width', settings.size).attr('height', settings.size);
|
||||
return drawOnCanvas($canvas, settings);
|
||||
},
|
||||
|
||||
// Returns an `image` element representing the QR code for the given settings.
|
||||
createImage = function (settings) {
|
||||
|
||||
return $('<img/>').attr('src', createCanvas(settings)[0].toDataURL('image/png'));
|
||||
},
|
||||
|
||||
// Returns a `div` element representing the QR code for the given settings.
|
||||
createDiv = function (settings) {
|
||||
|
||||
var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
|
||||
if (!qr) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// some shortcuts to improve compression
|
||||
var settings_size = settings.size,
|
||||
settings_bgColor = settings.background,
|
||||
math_floor = Math.floor,
|
||||
|
||||
moduleCount = qr.moduleCount,
|
||||
moduleSize = math_floor(settings_size / moduleCount),
|
||||
offset = math_floor(0.5 * (settings_size - moduleSize * moduleCount)),
|
||||
|
||||
row, col,
|
||||
|
||||
containerCSS = {
|
||||
position: 'relative',
|
||||
left: 0,
|
||||
top: 0,
|
||||
padding: 0,
|
||||
margin: 0,
|
||||
width: settings_size,
|
||||
height: settings_size
|
||||
},
|
||||
darkCSS = {
|
||||
position: 'absolute',
|
||||
padding: 0,
|
||||
margin: 0,
|
||||
width: moduleSize,
|
||||
height: moduleSize,
|
||||
'background-color': settings.fill
|
||||
},
|
||||
|
||||
$div = $('<div/>').data('qrcode', qr).css(containerCSS);
|
||||
|
||||
if (settings_bgColor) {
|
||||
$div.css('background-color', settings_bgColor);
|
||||
}
|
||||
|
||||
for (row = 0; row < moduleCount; row += 1) {
|
||||
for (col = 0; col < moduleCount; col += 1) {
|
||||
if (qr.isDark(row, col)) {
|
||||
$('<div/>')
|
||||
.css(darkCSS)
|
||||
.css({
|
||||
left: offset + col * moduleSize,
|
||||
top: offset + row * moduleSize
|
||||
})
|
||||
.appendTo($div);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $div;
|
||||
},
|
||||
|
||||
createHTML = function (settings) {
|
||||
|
||||
if (canvasAvailable && settings.render === 'canvas') {
|
||||
return createCanvas(settings);
|
||||
} else if (canvasAvailable && settings.render === 'image') {
|
||||
return createImage(settings);
|
||||
}
|
||||
|
||||
// `qrcode` is the single public function that will be defined by the `QR Code Generator`
|
||||
// at the end of the file.
|
||||
var qr = qrcode(version, level);
|
||||
qr.addData(text);
|
||||
qr.make();
|
||||
|
||||
quiet = quiet || 0;
|
||||
|
||||
var qrModuleCount = qr.getModuleCount(),
|
||||
quietModuleCount = qr.getModuleCount() + 2*quiet,
|
||||
isDark = function (row, col) {
|
||||
|
||||
row -= quiet;
|
||||
col -= quiet;
|
||||
|
||||
if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return qr.isDark(row, col);
|
||||
},
|
||||
addBlank = function (l, t, r, b) {
|
||||
|
||||
var prevIsDark = this.isDark,
|
||||
moduleSize = 1 / quietModuleCount;
|
||||
|
||||
this.isDark = function (row, col) {
|
||||
|
||||
var ml = col * moduleSize,
|
||||
mt = row * moduleSize,
|
||||
mr = ml + moduleSize,
|
||||
mb = mt + moduleSize;
|
||||
|
||||
return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b);
|
||||
};
|
||||
};
|
||||
|
||||
this.text = text;
|
||||
this.level = level;
|
||||
this.version = version;
|
||||
this.moduleCount = quietModuleCount;
|
||||
this.isDark = isDark;
|
||||
this.addBlank = addBlank;
|
||||
},
|
||||
|
||||
// Check if canvas is available in the browser (as Modernizr does)
|
||||
canvasAvailable = (function () {
|
||||
|
||||
var elem = document.createElement('canvas');
|
||||
return !!(elem.getContext && elem.getContext('2d'));
|
||||
}()),
|
||||
|
||||
arcToAvailable = Object.prototype.toString.call(window.opera) !== '[object Opera]',
|
||||
|
||||
// Returns a minimal QR code for the given text starting with version `minVersion`.
|
||||
// Returns `null` if `text` is too long to be encoded in `maxVersion`.
|
||||
createQRCode = function (text, level, minVersion, maxVersion, quiet) {
|
||||
|
||||
minVersion = Math.max(1, minVersion || 1);
|
||||
maxVersion = Math.min(40, maxVersion || 40);
|
||||
for (var version = minVersion; version <= maxVersion; version += 1) {
|
||||
try {
|
||||
return new QRCode(text, level, version, quiet);
|
||||
} catch (err) {}
|
||||
}
|
||||
},
|
||||
|
||||
drawBackgroundLabel = function (qr, context, settings) {
|
||||
|
||||
var size = settings.size,
|
||||
font = "bold " + (settings.mSize * size) + "px " + settings.fontname,
|
||||
ctx = $('<canvas/>')[0].getContext("2d");
|
||||
|
||||
ctx.font = font;
|
||||
|
||||
var w = ctx.measureText(settings.label).width,
|
||||
sh = settings.mSize,
|
||||
sw = w / size,
|
||||
sl = (1 - sw) * settings.mPosX,
|
||||
st = (1 - sh) * settings.mPosY,
|
||||
sr = sl + sw,
|
||||
sb = st + sh,
|
||||
pad = 0.01;
|
||||
|
||||
if (settings.mode === 1) {
|
||||
// Strip
|
||||
qr.addBlank(0, st - pad, size, sb + pad);
|
||||
} else {
|
||||
// Box
|
||||
qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
|
||||
}
|
||||
|
||||
context.fillStyle = settings.fontcolor;
|
||||
context.font = font;
|
||||
context.fillText(settings.label, sl*size, st*size + 0.75 * settings.mSize * size);
|
||||
},
|
||||
|
||||
drawBackgroundImage = function (qr, context, settings) {
|
||||
|
||||
var size = settings.size,
|
||||
w = settings.image.naturalWidth || 1,
|
||||
h = settings.image.naturalHeight || 1,
|
||||
sh = settings.mSize,
|
||||
sw = sh * w / h,
|
||||
sl = (1 - sw) * settings.mPosX,
|
||||
st = (1 - sh) * settings.mPosY,
|
||||
sr = sl + sw,
|
||||
sb = st + sh,
|
||||
pad = 0.01;
|
||||
|
||||
if (settings.mode === 3) {
|
||||
// Strip
|
||||
qr.addBlank(0, st - pad, size, sb + pad);
|
||||
} else {
|
||||
// Box
|
||||
qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
|
||||
}
|
||||
|
||||
context.drawImage(settings.image, sl*size, st*size, sw*size, sh*size);
|
||||
},
|
||||
|
||||
drawBackground = function (qr, context, settings) {
|
||||
|
||||
if ($(settings.background).is('img')) {
|
||||
context.drawImage(settings.background, 0, 0, settings.size, settings.size);
|
||||
} else if (settings.background) {
|
||||
context.fillStyle = settings.background;
|
||||
context.fillRect(settings.left, settings.top, settings.size, settings.size);
|
||||
}
|
||||
|
||||
var mode = settings.mode;
|
||||
if (mode === 1 || mode === 2) {
|
||||
drawBackgroundLabel(qr, context, settings);
|
||||
} else if (mode === 3 || mode === 4) {
|
||||
drawBackgroundImage(qr, context, settings);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleDefault = function (qr, context, settings, left, top, width, row, col) {
|
||||
|
||||
if (qr.isDark(row, col)) {
|
||||
context.rect(left, top, width, width);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleRoundedDark = function (ctx, l, t, r, b, rad, nw, ne, se, sw) {
|
||||
|
||||
if (nw) {
|
||||
ctx.moveTo(l + rad, t);
|
||||
} else {
|
||||
ctx.moveTo(l, t);
|
||||
}
|
||||
|
||||
if (ne) {
|
||||
ctx.lineTo(r - rad, t);
|
||||
ctx.arcTo(r, t, r, b, rad);
|
||||
} else {
|
||||
ctx.lineTo(r, t);
|
||||
}
|
||||
|
||||
if (se) {
|
||||
ctx.lineTo(r, b - rad);
|
||||
ctx.arcTo(r, b, l, b, rad);
|
||||
} else {
|
||||
ctx.lineTo(r, b);
|
||||
}
|
||||
|
||||
if (sw) {
|
||||
ctx.lineTo(l + rad, b);
|
||||
ctx.arcTo(l, b, l, t, rad);
|
||||
} else {
|
||||
ctx.lineTo(l, b);
|
||||
}
|
||||
|
||||
if (nw) {
|
||||
ctx.lineTo(l, t + rad);
|
||||
ctx.arcTo(l, t, r, t, rad);
|
||||
} else {
|
||||
ctx.lineTo(l, t);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleRoundendLight = function (ctx, l, t, r, b, rad, nw, ne, se, sw) {
|
||||
|
||||
if (nw) {
|
||||
ctx.moveTo(l + rad, t);
|
||||
ctx.lineTo(l, t);
|
||||
ctx.lineTo(l, t + rad);
|
||||
ctx.arcTo(l, t, l + rad, t, rad);
|
||||
}
|
||||
|
||||
if (ne) {
|
||||
ctx.moveTo(r - rad, t);
|
||||
ctx.lineTo(r, t);
|
||||
ctx.lineTo(r, t + rad);
|
||||
ctx.arcTo(r, t, r - rad, t, rad);
|
||||
}
|
||||
|
||||
if (se) {
|
||||
ctx.moveTo(r - rad, b);
|
||||
ctx.lineTo(r, b);
|
||||
ctx.lineTo(r, b - rad);
|
||||
ctx.arcTo(r, b, r - rad, b, rad);
|
||||
}
|
||||
|
||||
if (sw) {
|
||||
ctx.moveTo(l + rad, b);
|
||||
ctx.lineTo(l, b);
|
||||
ctx.lineTo(l, b - rad);
|
||||
ctx.arcTo(l, b, l + rad, b, rad);
|
||||
}
|
||||
},
|
||||
|
||||
drawModuleRounded = function (qr, context, settings, left, top, width, row, col) {
|
||||
|
||||
var isDark = qr.isDark,
|
||||
right = left + width,
|
||||
bottom = top + width,
|
||||
radius = settings.radius * width,
|
||||
rowT = row - 1,
|
||||
rowB = row + 1,
|
||||
colL = col - 1,
|
||||
colR = col + 1,
|
||||
center = isDark(row, col),
|
||||
northwest = isDark(rowT, colL),
|
||||
north = isDark(rowT, col),
|
||||
northeast = isDark(rowT, colR),
|
||||
east = isDark(row, colR),
|
||||
southeast = isDark(rowB, colR),
|
||||
south = isDark(rowB, col),
|
||||
southwest = isDark(rowB, colL),
|
||||
west = isDark(row, colL);
|
||||
|
||||
if (center) {
|
||||
drawModuleRoundedDark(context, left, top, right, bottom, radius, !north && !west, !north && !east, !south && !east, !south && !west);
|
||||
} else {
|
||||
drawModuleRoundendLight(context, left, top, right, bottom, radius, north && west && northwest, north && east && northeast, south && east && southeast, south && west && southwest);
|
||||
}
|
||||
},
|
||||
|
||||
drawModules = function (qr, context, settings) {
|
||||
|
||||
var moduleCount = qr.moduleCount,
|
||||
moduleSize = settings.size / moduleCount,
|
||||
fn = drawModuleDefault,
|
||||
row, col;
|
||||
|
||||
if (arcToAvailable && settings.radius > 0 && settings.radius <= 0.5) {
|
||||
fn = drawModuleRounded;
|
||||
}
|
||||
|
||||
context.beginPath();
|
||||
for (row = 0; row < moduleCount; row += 1) {
|
||||
for (col = 0; col < moduleCount; col += 1) {
|
||||
|
||||
var l = settings.left + col * moduleSize,
|
||||
t = settings.top + row * moduleSize,
|
||||
w = moduleSize;
|
||||
|
||||
fn(qr, context, settings, l, t, w, row, col);
|
||||
}
|
||||
}
|
||||
if ($(settings.fill).is('img')) {
|
||||
context.strokeStyle = 'rgba(0,0,0,0.5)';
|
||||
context.lineWidth = 2;
|
||||
context.stroke();
|
||||
var prev = context.globalCompositeOperation;
|
||||
context.globalCompositeOperation = "destination-out";
|
||||
context.fill();
|
||||
context.globalCompositeOperation = prev;
|
||||
|
||||
context.clip();
|
||||
context.drawImage(settings.fill, 0, 0, settings.size, settings.size);
|
||||
context.restore();
|
||||
} else {
|
||||
context.fillStyle = settings.fill;
|
||||
context.fill();
|
||||
}
|
||||
},
|
||||
|
||||
// Draws QR code to the given `canvas` and returns it.
|
||||
drawOnCanvas = function (canvas, settings) {
|
||||
|
||||
var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
|
||||
if (!qr) {
|
||||
return null;
|
||||
}
|
||||
|
||||
var $canvas = $(canvas).data('qrcode', qr),
|
||||
context = $canvas[0].getContext('2d');
|
||||
|
||||
drawBackground(qr, context, settings);
|
||||
drawModules(qr, context, settings);
|
||||
|
||||
return $canvas;
|
||||
},
|
||||
|
||||
// Returns a `canvas` element representing the QR code for the given settings.
|
||||
createCanvas = function (settings) {
|
||||
|
||||
var $canvas = $('<canvas/>').attr('width', settings.size).attr('height', settings.size);
|
||||
return drawOnCanvas($canvas, settings);
|
||||
},
|
||||
|
||||
// Returns an `image` element representing the QR code for the given settings.
|
||||
createImage = function (settings) {
|
||||
|
||||
return $('<img/>').attr('src', createCanvas(settings)[0].toDataURL('image/png'));
|
||||
},
|
||||
|
||||
// Returns a `div` element representing the QR code for the given settings.
|
||||
createDiv = function (settings) {
|
||||
|
||||
var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
|
||||
if (!qr) {
|
||||
return null;
|
||||
}
|
||||
|
||||
// some shortcuts to improve compression
|
||||
var settings_size = settings.size,
|
||||
settings_bgColor = settings.background,
|
||||
math_floor = Math.floor,
|
||||
|
||||
moduleCount = qr.moduleCount,
|
||||
moduleSize = math_floor(settings_size / moduleCount),
|
||||
offset = math_floor(0.5 * (settings_size - moduleSize * moduleCount)),
|
||||
|
||||
row, col,
|
||||
|
||||
containerCSS = {
|
||||
position: 'relative',
|
||||
left: 0,
|
||||
top: 0,
|
||||
padding: 0,
|
||||
margin: 0,
|
||||
width: settings_size,
|
||||
height: settings_size
|
||||
},
|
||||
darkCSS = {
|
||||
position: 'absolute',
|
||||
padding: 0,
|
||||
margin: 0,
|
||||
width: moduleSize,
|
||||
height: moduleSize,
|
||||
'background-color': settings.fill
|
||||
},
|
||||
|
||||
$div = $('<div/>').data('qrcode', qr).css(containerCSS);
|
||||
|
||||
if (settings_bgColor) {
|
||||
$div.css('background-color', settings_bgColor);
|
||||
}
|
||||
|
||||
for (row = 0; row < moduleCount; row += 1) {
|
||||
for (col = 0; col < moduleCount; col += 1) {
|
||||
if (qr.isDark(row, col)) {
|
||||
$('<div/>')
|
||||
.css(darkCSS)
|
||||
.css({
|
||||
left: offset + col * moduleSize,
|
||||
top: offset + row * moduleSize
|
||||
})
|
||||
.appendTo($div);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $div;
|
||||
},
|
||||
|
||||
createHTML = function (settings) {
|
||||
|
||||
if (canvasAvailable && settings.render === 'canvas') {
|
||||
return createCanvas(settings);
|
||||
} else if (canvasAvailable && settings.render === 'image') {
|
||||
return createImage(settings);
|
||||
}
|
||||
|
||||
return createDiv(settings);
|
||||
},
|
||||
|
||||
// Plugin
|
||||
// ======
|
||||
|
||||
// Default settings
|
||||
// ----------------
|
||||
defaults = {
|
||||
return createDiv(settings);
|
||||
},
|
||||
|
||||
// render method: `'canvas'`, `'image'` or `'div'`
|
||||
render: 'canvas',
|
||||
|
||||
// version range somewhere in 1 .. 40
|
||||
minVersion: 1,
|
||||
maxVersion: 40,
|
||||
|
||||
// error correction level: `'L'`, `'M'`, `'Q'` or `'H'`
|
||||
ecLevel: 'L',
|
||||
|
||||
// offset in pixel if drawn onto existing canvas
|
||||
left: 0,
|
||||
top: 0,
|
||||
|
||||
// size in pixel
|
||||
size: 200,
|
||||
|
||||
// code color or image element
|
||||
fill: '#000',
|
||||
|
||||
// background color or image element, `null` for transparent background
|
||||
background: null,
|
||||
|
||||
// content
|
||||
text: 'no text',
|
||||
|
||||
// corner radius relative to module width: 0.0 .. 0.5
|
||||
radius: 0,
|
||||
|
||||
// quiet zone in modules
|
||||
quiet: 0,
|
||||
|
||||
// modes
|
||||
// 0: normal
|
||||
// 1: label strip
|
||||
// 2: label box
|
||||
// 3: image strip
|
||||
// 4: image box
|
||||
mode: 0,
|
||||
|
||||
mSize: 0.1,
|
||||
mPosX: 0.5,
|
||||
mPosY: 0.5,
|
||||
|
||||
label: 'no label',
|
||||
fontname: 'sans',
|
||||
fontcolor: '#000',
|
||||
|
||||
image: null
|
||||
};
|
||||
|
||||
// Register the plugin
|
||||
// -------------------
|
||||
$.fn.qrcode = function(options) {
|
||||
// Plugin
|
||||
// ======
|
||||
|
||||
// Default settings
|
||||
// ----------------
|
||||
defaults = {
|
||||
|
||||
var settings = $.extend({}, defaults, options);
|
||||
// render method: `'canvas'`, `'image'` or `'div'`
|
||||
render: 'canvas',
|
||||
|
||||
return this.each(function () {
|
||||
// version range somewhere in 1 .. 40
|
||||
minVersion: 1,
|
||||
maxVersion: 40,
|
||||
|
||||
// error correction level: `'L'`, `'M'`, `'Q'` or `'H'`
|
||||
ecLevel: 'L',
|
||||
|
||||
// offset in pixel if drawn onto existing canvas
|
||||
left: 0,
|
||||
top: 0,
|
||||
|
||||
// size in pixel
|
||||
size: 200,
|
||||
|
||||
// code color or image element
|
||||
fill: '#000',
|
||||
|
||||
// background color or image element, `null` for transparent background
|
||||
background: null,
|
||||
|
||||
// content
|
||||
text: 'no text',
|
||||
|
||||
// corner radius relative to module width: 0.0 .. 0.5
|
||||
radius: 0,
|
||||
|
||||
// quiet zone in modules
|
||||
quiet: 0,
|
||||
|
||||
// modes
|
||||
// 0: normal
|
||||
// 1: label strip
|
||||
// 2: label box
|
||||
// 3: image strip
|
||||
// 4: image box
|
||||
mode: 0,
|
||||
|
||||
mSize: 0.1,
|
||||
mPosX: 0.5,
|
||||
mPosY: 0.5,
|
||||
|
||||
label: 'no label',
|
||||
fontname: 'sans',
|
||||
fontcolor: '#000',
|
||||
|
||||
image: null
|
||||
};
|
||||
|
||||
if (this.nodeName.toLowerCase() === 'canvas') {
|
||||
drawOnCanvas(this, settings);
|
||||
} else {
|
||||
$(this).append(createHTML(settings));
|
||||
}
|
||||
});
|
||||
};
|
||||
// Register the plugin
|
||||
// -------------------
|
||||
$.fn.qrcode = function(options) {
|
||||
|
||||
// jQuery.qrcode plug in code ends here
|
||||
var settings = $.extend({}, defaults, options);
|
||||
|
||||
// QR Code Generator
|
||||
// =================
|
||||
// @include "qrcode.js"
|
||||
return this.each(function () {
|
||||
|
||||
}(jQuery));
|
||||
if (this.nodeName.toLowerCase() === 'canvas') {
|
||||
drawOnCanvas(this, settings);
|
||||
} else {
|
||||
$(this).append(createHTML(settings));
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
// jQuery.qrcode plug in code ends here
|
||||
|
||||
|
||||
// QR Code Generator
|
||||
// =================
|
||||
// @include "qrcode.js"
|
||||
|
||||
}());
|
||||
|
||||
File diff suppressed because it is too large
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Reference in New Issue