mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
Merge branch 'color-stops' of https://github.com/SunboX/html2canvas.git
This commit is contained in:
Niklas von Hertzen
commit
0d35571bbf
321
src/Generate.js
321
src/Generate.js
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@ -2,128 +2,241 @@
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html2canvas @VERSION@ <http://html2canvas.hertzen.com>
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Copyright (c) 2011 Niklas von Hertzen. All rights reserved.
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http://www.twitter.com/niklasvh
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Contributor(s):
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Niklas von Hertzen <http://www.twitter.com/niklasvh>
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André Fiedler <http://www.twitter.com/sonnenkiste>
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Released under MIT License
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*/
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(function(){
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_html2canvas.Generate = {};
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var reGradients = [
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/^(-webkit-linear-gradient)\(([a-z\s]+)([\w\d\.\s,%\(\)]+)\)$/,
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/^(-o-linear-gradient)\(([a-z\s]+)([\w\d\.\s,%\(\)]+)\)$/,
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/^(-webkit-gradient)\((linear|radial),\s((?:\d{1,3}%?)\s(?:\d{1,3}%?),\s(?:\d{1,3}%?)\s(?:\d{1,3}%?))([\w\d\.\s,%\(\)-]+)\)$/,
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/^(-moz-linear-gradient)\(((?:\d{1,3}%?)\s(?:\d{1,3}%?))([\w\d\.\s,%\(\)]+)\)$/
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];
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/*
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* TODO: Add IE10 vendor prefix (-ms) support
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* TODO: Add W3C gradient (linear-gradient) support
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* TODO: Add radial gradient parsing
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* TODO: Maybe some RegExp optimizations are possible ;o)
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*/
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_html2canvas.Generate.parseGradient = function(css, bounds) {
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var gradient, i, len = reGradients.length, m1, stop, m2, m2Len, step, m3;
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for(i = 0; i < len; i+=1){
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m1 = css.match(reGradients[i]);
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if(m1) break;
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}
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if(m1) {
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switch(m1[1]) {
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case '-webkit-linear-gradient':
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case '-o-linear-gradient':
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gradient = {
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type: 'linear',
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x0: null,
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y0: null,
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x1: null,
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y1: null,
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colorStops: []
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};
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// get coordinates
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m2 = m1[2].match(/\w+/g);
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if(m2){
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m2Len = m2.length;
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for(i = 0; i < m2Len; i+=1){
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switch(m2[i]) {
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case 'top':
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gradient.y0 = 0;
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gradient.y1 = bounds.height;
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break;
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case 'right':
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gradient.x0 = bounds.width;
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gradient.x1 = 0;
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break;
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case 'bottom':
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gradient.y0 = bounds.height;
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gradient.y1 = 0;
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break;
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case 'left':
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gradient.x0 = 0;
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gradient.x1 = bounds.width;
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break;
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}
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}
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}
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if(gradient.x0 === null && gradient.x1 === null){ // center
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gradient.x0 = gradient.x1 = bounds.width / 2;
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}
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if(gradient.y0 === null && gradient.y1 === null){ // center
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gradient.y0 = gradient.y1 = bounds.height / 2;
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}
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// get colors and stops
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m2 = m1[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}(?:%|px))?)+/g);
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if(m2){
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m2Len = m2.length;
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step = 1 / Math.max(m2Len - 1, 1);
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for(i = 0; i < m2Len; i+=1){
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m3 = m2[i].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%|px)?/);
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if(m3[2]){
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stop = parseFloat(m3[2]);
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if(m3[3] === '%'){
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stop /= 100;
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} else { // px - stupid opera
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stop /= bounds.width;
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}
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} else {
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stop = i * step;
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}
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gradient.colorStops.push({
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color: m3[1],
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stop: stop
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});
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}
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}
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break;
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case '-webkit-gradient':
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gradient = {
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type: m1[2],
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x0: 0,
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y0: 0,
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x1: 0,
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y1: 0,
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colorStops: []
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};
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// get coordinates
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m2 = m1[3].match(/(\d{1,3})%?\s(\d{1,3})%?,\s(\d{1,3})%?\s(\d{1,3})%?/);
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if(m2){
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gradient.x0 = (m2[1] * bounds.width) / 100;
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gradient.y0 = (m2[2] * bounds.height) / 100;
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gradient.x1 = (m2[3] * bounds.width) / 100;
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gradient.y1 = (m2[4] * bounds.height) / 100;
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}
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// get colors and stops
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m2 = m1[4].match(/((?:from|to|color-stop)\((?:[0-9\.]+,\s)?(?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)\))+/g);
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if(m2){
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m2Len = m2.length;
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for(i = 0; i < m2Len; i+=1){
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m3 = m2[i].match(/(from|to|color-stop)\(([0-9\.]+)?(?:,\s)?((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\)/);
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stop = parseFloat(m3[2]);
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if(m3[1] === 'from') stop = 0.0;
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if(m3[1] === 'to') stop = 1.0;
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gradient.colorStops.push({
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color: m3[3],
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stop: stop
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});
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}
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}
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break;
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case '-moz-linear-gradient':
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gradient = {
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type: 'linear',
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x0: 0,
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y0: 0,
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x1: 0,
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y1: 0,
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colorStops: []
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};
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// get coordinates
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m2 = m1[2].match(/(\d{1,3})%?\s(\d{1,3})%?/);
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// m2[1] == 0% -> left
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// m2[1] == 50% -> center
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// m2[1] == 100% -> right
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// m2[2] == 0% -> top
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// m2[2] == 50% -> center
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// m2[2] == 100% -> bottom
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if(m2){
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gradient.x0 = (m2[1] * bounds.width) / 100;
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gradient.y0 = (m2[2] * bounds.height) / 100;
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gradient.x1 = bounds.width - gradient.x0;
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gradient.y1 = bounds.height - gradient.y0;
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}
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// get colors and stops
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m2 = m1[3].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\)(?:\s\d{1,3}%)?)+/g);
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if(m2){
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m2Len = m2.length;
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step = 1 / Math.max(m2Len - 1, 1);
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for(i = 0; i < m2Len; i+=1){
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m3 = m2[i].match(/((?:rgb|rgba)\(\d{1,3},\s\d{1,3},\s\d{1,3}(?:,\s[0-9\.]+)?\))\s*(\d{1,3})?(%)?/);
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if(m3[2]){
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stop = parseFloat(m3[2]);
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if(m3[3]){ // percentage
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stop /= 100;
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}
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} else {
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stop = i * step;
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}
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gradient.colorStops.push({
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color: m3[1],
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stop: stop
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});
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}
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}
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break;
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}
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}
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return gradient;
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};
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_html2canvas.Generate.Gradient = function(src, bounds) {
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var canvas = document.createElement('canvas'),
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ctx = canvas.getContext('2d'),
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tmp,
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p0 = 0,
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p1 = 0,
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p2 = 0,
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p3 = 0,
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steps = [],
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position,
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i,
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len,
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lingrad,
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increment,
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p,
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img;
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gradient, lingrad, i, len, img;
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canvas.width = bounds.width;
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canvas.height = bounds.height;
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gradient = _html2canvas.Generate.parseGradient(src, bounds);
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function getColors(input) {
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var j = -1,
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color = '',
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chr;
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while( j++ < input.length ) {
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chr = input.charAt( j );
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if (chr === ')') {
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color += chr;
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steps.push( color );
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color = '';
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j = input.indexOf(",", j) + 1;
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if (j === 0) {
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break;
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}
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// while (j++ < input.length && input.charAt( j ) !== ',') {}
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} else {
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color += chr;
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}
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}
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}
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if ( (tmp = src.match(/-webkit-linear-gradient\((.*)\)/)) !== null ) {
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position = tmp[1].split( ",", 1 )[0];
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getColors( tmp[1].substr( position.length + 2 ) );
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position = position.split(' ');
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for ( p = 0, len = position.length; p < len; p+=1 ) {
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switch( position[ p ] ) {
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case 'top':
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p3 = bounds.height;
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break;
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case 'right':
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p0 = bounds.width;
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break;
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case 'bottom':
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p1 = bounds.height;
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break;
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case 'left':
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p2 = bounds.width;
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break;
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}
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}
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} else if ( (tmp = src.match(/-webkit-gradient\(linear, (\d+)[%]{0,1} (\d+)[%]{0,1}, (\d+)[%]{0,1} (\d+)[%]{0,1}, from\((.*)\), to\((.*)\)\)/)) !== null ) {
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p0 = (tmp[1] * bounds.width) / 100;
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p1 = (tmp[2] * bounds.height) / 100;
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p2 = (tmp[3] * bounds.width) / 100;
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p3 = (tmp[4] * bounds.height) / 100;
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steps.push(tmp[5]);
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steps.push(tmp[6]);
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} else if ( (tmp = src.match(/-moz-linear-gradient\((\d+)[%]{0,1} (\d+)[%]{0,1}, (.*)\)/)) !== null ) {
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p0 = (tmp[1] * bounds.width) / 100;
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p1 = (tmp[2] * bounds.width) / 100;
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p2 = bounds.width - p0;
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p3 = bounds.height - p1;
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getColors( tmp[3] );
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} else {
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return;
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}
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lingrad = ctx.createLinearGradient( p0, p1, p2, p3 );
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increment = 1 / (steps.length - 1);
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for (i = 0, len = steps.length; i < len; i+=1) {
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try {
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lingrad.addColorStop(increment * i, steps[i]);
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}
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catch(e) {
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h2clog(['failed to add color stop: ', e, '; tried to add: ', steps[i], '; stop: ', i, '; in: ', src]);
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}
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}
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ctx.fillStyle = lingrad;
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// draw shapes
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ctx.fillRect(0, 0, bounds.width,bounds.height);
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img = new Image();
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img.src = canvas.toDataURL();
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if(gradient && gradient.type === 'linear'){
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lingrad = ctx.createLinearGradient(gradient.x0, gradient.y0, gradient.x1, gradient.y1);
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for (i = 0, len = gradient.colorStops.length; i < len; i+=1) {
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try {
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lingrad.addColorStop(gradient.colorStops[i].stop, gradient.colorStops[i].color);
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}
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catch(e) {
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h2clog(['failed to add color stop: ', e, '; tried to add: ', gradient.colorStops[i], '; stop: ', i, '; in: ', src]);
|
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}
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}
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|
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ctx.fillStyle = lingrad;
|
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ctx.fillRect(0, 0, bounds.width, bounds.height);
|
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|
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img.src = canvas.toDataURL();
|
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} else if(gradient && gradient.type === 'radial'){
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// TODO: implement radial gradient generation
|
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h2clog('No radial gradient support implemented');
|
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}
|
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|
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return img;
|
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|
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};
|
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|
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_html2canvas.Generate.ListAlpha = function(number) {
|
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|
|
@ -160,3 +273,5 @@ _html2canvas.Generate.ListRoman = function(number) {
|
|||
return roman;
|
||||
|
||||
};
|
||||
|
||||
})();
|
||||
|
|
@ -54,6 +54,55 @@
|
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.linearGradient2 {
|
||||
background: -webkit-gradient(linear, 0% 0, 0% 100%, from(rgb(252, 252, 252)), to(rgb(232, 232, 232)));
|
||||
}
|
||||
|
||||
.linearGradient3 {
|
||||
/* FF 3.6+ */
|
||||
background: -moz-linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
/* Chrome,Safari4+ */
|
||||
background: -webkit-gradient(linear, left top, right top, color-stop(#ff0000), color-stop(#ffff00), color-stop(#00ff00));
|
||||
/* Chrome 10+, Safari 5.1+ */
|
||||
background: -webkit-linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
/* Opera 11.10+ */
|
||||
background: -o-linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
/* IE 10+ */
|
||||
background: -ms-linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
/* W3C */
|
||||
background: linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
}
|
||||
|
||||
.linearGradient4 {
|
||||
/* IE9 SVG */
|
||||
background: url(data:image/svg+xml;base64,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);
|
||||
/* FF 3.6+ */
|
||||
background: -moz-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
/* Chrome, Safari 4+ */
|
||||
background: -webkit-gradient(linear, left top, right top, color-stop(0%, #cedbe9), color-stop(17%, #aac5de), color-stop(50%, #6199c7), color-stop(51%, #3a84c3), color-stop(59%, #419ad6), color-stop(71%, #4bb8f0), color-stop(84%, #3a8bc2), color-stop(100%, #26558b));
|
||||
/* Chrome 10+, Safari 5.1+ */
|
||||
background: -webkit-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
/* Opera 11.10+ */
|
||||
background: -o-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
/* IE10+ */
|
||||
background: -ms-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
/* W3C */
|
||||
background: linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
}
|
||||
|
||||
.linearGradient5 {
|
||||
/* IE9 SVG */
|
||||
background: url(data:image/svg+xml;base64,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);
|
||||
/* FF 3.6+ */
|
||||
background: -moz-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* Chrome, Safari 4+ */
|
||||
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f0b7a1), color-stop(50%, #8c3310), color-stop(51%, #752201), color-stop(100%, #bf6e4e));
|
||||
/* Chrome 10+, Safari 5.1+ */
|
||||
background: -webkit-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* Opera 11.10+ */
|
||||
background: -o-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* IE 10+ */
|
||||
background: -ms-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* W3C */
|
||||
background: linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
}
|
||||
</style>
|
||||
|
||||
</head>
|
||||
|
|
@ -61,6 +110,9 @@
|
|||
<div class="medium">
|
||||
<div class="linearGradient"> </div>
|
||||
<div class="linearGradient2"> </div>
|
||||
<div class="linearGradient3"> </div>
|
||||
<div class="linearGradient4"> </div>
|
||||
<div class="linearGradient5"> </div>
|
||||
</div>
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -22,7 +22,8 @@
|
|||
<script type="text/javascript" src="../../src/renderers/Canvas.js"></script>
|
||||
|
||||
<script src="unit/css.js"></script>
|
||||
<!-- <script src="unit/utils.js"></script> -->
|
||||
<script src="unit/generate.js"></script>
|
||||
<!-- <script src="unit/utils.js"></script> -->
|
||||
|
||||
<style>
|
||||
#borders div {
|
||||
|
|
@ -94,7 +95,7 @@
|
|||
/* FF 3.6+ */
|
||||
background: -moz-linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
/* Chrome,Safari4+ */
|
||||
background: -webkit-gradient(linear, left top, right top, color-stop(#ff0000), color-stop(#ffff00), color-stop(#00ff00));
|
||||
background: -webkit-gradient(linear, left center, right center, color-stop(#ff0000), color-stop(#ffff00), color-stop(#00ff00));
|
||||
/* Chrome 10+, Safari 5.1+ */
|
||||
background: -webkit-linear-gradient(left, #ff0000, #ffff00, #00ff00);
|
||||
/* Opera 11.10+ */
|
||||
|
|
@ -110,7 +111,7 @@
|
|||
/* FF 3.6+ */
|
||||
background: -moz-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
/* Chrome, Safari 4+ */
|
||||
background: -webkit-gradient(linear, left top, right top, color-stop(0%, #cedbe9), color-stop(17%, #aac5de), color-stop(50%, #6199c7), color-stop(51%, #3a84c3), color-stop(59%, #419ad6), color-stop(71%, #4bb8f0), color-stop(84%, #3a8bc2), color-stop(100%, #26558b));
|
||||
background: -webkit-gradient(linear, left center, right center, color-stop(0%, #cedbe9), color-stop(17%, #aac5de), color-stop(50%, #6199c7), color-stop(51%, #3a84c3), color-stop(59%, #419ad6), color-stop(71%, #4bb8f0), color-stop(84%, #3a8bc2), color-stop(100%, #26558b));
|
||||
/* Chrome 10+, Safari 5.1+ */
|
||||
background: -webkit-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
/* Opera 11.10+ */
|
||||
|
|
@ -120,10 +121,25 @@
|
|||
/* W3C */
|
||||
background: linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
|
||||
}
|
||||
.linearGradient3 {
|
||||
/* IE9 SVG */
|
||||
background: url(data:image/svg+xml;base64,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);
|
||||
/* FF 3.6+ */
|
||||
background: -moz-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* Chrome, Safari 4+ */
|
||||
background: -webkit-gradient(linear, center top, center bottom, color-stop(0%, #f0b7a1), color-stop(50%, #8c3310), color-stop(51%, #752201), color-stop(100%, #bf6e4e));
|
||||
/* Opera 11.10+ */
|
||||
background: -o-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* IE 10+ */
|
||||
background: -ms-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
/* W3C */
|
||||
background: linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
|
||||
}
|
||||
</style>
|
||||
<div id="backgroundGradients">
|
||||
<div class="linearGradientSimple"></div>
|
||||
<div class="linearGradientWithStops"></div>
|
||||
<div class="linearGradient3"></div>
|
||||
</div>
|
||||
</div>
|
||||
<!--
|
||||
|
|
|
|||
|
|
@ -145,53 +145,6 @@ $(function() {
|
|||
});
|
||||
});
|
||||
|
||||
// TODO add backgroundPosition % tests
|
||||
|
||||
propsToTest['background-gradient'] = ["backgroundImage"];
|
||||
numDivs['background-gradient'] = $('#backgroundGradients div').length;
|
||||
// TODO add backgroundPosition % tests
|
||||
|
||||
test('background-gradient', propsToTest['background-gradient'].length * numDivs['background-gradient'], function() {
|
||||
|
||||
$('#backgroundGradients div').each(function(i, el) {
|
||||
$.each(propsToTest['background-gradient'], function(s, prop) {
|
||||
|
||||
var src, img, canvas, ctx, id, data, len, red, green, blue, overallColor = 0;
|
||||
|
||||
src = _html2canvas.Util.getCSS(el, prop);
|
||||
|
||||
if (!/^(-webkit|-o|-moz|-ms|linear)-/.test( src )) {
|
||||
ok(true);
|
||||
} else {
|
||||
|
||||
img = _html2canvas.Generate.Gradient(src, {
|
||||
width: 50,
|
||||
height: 50
|
||||
});
|
||||
|
||||
canvas = document.createElement('canvas');
|
||||
canvas.width = 50;
|
||||
canvas.height = 50;
|
||||
ctx = canvas.getContext('2d');
|
||||
ctx.drawImage(img, 0, 0);
|
||||
id = ctx.getImageData(0, 0, 50, 50);
|
||||
data = id.data;
|
||||
len = data.length;
|
||||
|
||||
//console.log(img);
|
||||
|
||||
for (var i = 0; i < len; i += 4) {
|
||||
red = data[i]; // red
|
||||
green = data[i + 1]; // green
|
||||
blue = data[i + 2]; // blue
|
||||
// i+3 is alpha (the fourth element)
|
||||
|
||||
overallColor += (red + green + blue) / 3;
|
||||
}
|
||||
overallColor /= (len / 4);
|
||||
|
||||
QUnit.notEqual(overallColor, 255, 'No Background Gradient - CSS was ' + src);
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
179
tests/qunit/unit/generate.js
Normal file
179
tests/qunit/unit/generate.js
Normal file
|
|
@ -0,0 +1,179 @@
|
|||
// declare vars (preventing JSHint messages)
|
||||
/* this breaks the testing for IE<9
|
||||
var test = test || function(){},
|
||||
QUnit = QUnit || {},
|
||||
_html2canvas = _html2canvas || {};
|
||||
*/
|
||||
|
||||
|
||||
//module("Generate"); // <- overwrites predefined CSS-module ?
|
||||
$(function() {
|
||||
|
||||
var propsToTest = {},
|
||||
numDivs = {},
|
||||
expected = {};
|
||||
|
||||
propsToTest['Generate.parseGradient'] = ["backgroundImage"];
|
||||
numDivs['Generate.parseGradient'] = $('#backgroundGradients div').length;
|
||||
expected['Generate.parseGradient'] = [
|
||||
{
|
||||
type: 'linear',
|
||||
x0: 0,
|
||||
y0: 35,
|
||||
x1: 50,
|
||||
y1: 35,
|
||||
colorStops: [
|
||||
{
|
||||
color: "rgb(255, 0, 0)",
|
||||
stop: 0
|
||||
},
|
||||
{
|
||||
color: "rgb(255, 255, 0)",
|
||||
stop: 0.5
|
||||
},
|
||||
{
|
||||
color: "rgb(0, 255, 0)",
|
||||
stop: 1
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
type: 'linear',
|
||||
x0: 0,
|
||||
y0: 35,
|
||||
x1: 50,
|
||||
y1: 35,
|
||||
colorStops: [
|
||||
{
|
||||
color: "rgb(206, 219, 233)",
|
||||
stop: 0
|
||||
},
|
||||
{
|
||||
color: "rgb(170, 197, 222)",
|
||||
stop: 0.17
|
||||
},
|
||||
{
|
||||
color: "rgb(97, 153, 199)",
|
||||
stop: 0.5
|
||||
},
|
||||
{
|
||||
color: "rgb(58, 132, 195)",
|
||||
stop: 0.51
|
||||
},
|
||||
{
|
||||
color: "rgb(65, 154, 214)",
|
||||
stop: 0.59
|
||||
},
|
||||
{
|
||||
color: "rgb(75, 184, 240)",
|
||||
stop: 0.71
|
||||
},
|
||||
{
|
||||
color: "rgb(58, 139, 194)",
|
||||
stop: 0.84
|
||||
},
|
||||
{
|
||||
color: "rgb(38, 85, 139)",
|
||||
stop: 1
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
type: "linear",
|
||||
x0: 25,
|
||||
y0: 0,
|
||||
x1: 25,
|
||||
y1: 70,
|
||||
colorStops: [
|
||||
{
|
||||
color: "rgb(240, 183, 161)",
|
||||
stop: 0
|
||||
},
|
||||
{
|
||||
color: "rgb(140, 51, 16)",
|
||||
stop: 0.5
|
||||
},
|
||||
{
|
||||
color: "rgb(117, 34, 1)",
|
||||
stop: 0.51
|
||||
},
|
||||
{
|
||||
color: "rgb(191, 110, 78)",
|
||||
stop: 1
|
||||
}
|
||||
]
|
||||
}
|
||||
];
|
||||
|
||||
test('Generate.parseGradient', propsToTest['Generate.parseGradient'].length * numDivs['Generate.parseGradient'], function() {
|
||||
|
||||
$('#backgroundGradients div').each(function(i, el) {
|
||||
$.each(propsToTest['Generate.parseGradient'], function(s, prop) {
|
||||
var src, gradient;
|
||||
|
||||
src = _html2canvas.Util.getCSS(el, prop);
|
||||
|
||||
if (/^(-webkit|-o|-moz|-ms|linear)-/.test(src)) {
|
||||
|
||||
gradient = _html2canvas.Generate.parseGradient(src, {
|
||||
width: 50,
|
||||
height: 70
|
||||
});
|
||||
|
||||
//QUnit.deepEqual(gradient, expected['Generate.parseGradient'][i], 'Parsed gradient; got: ' + JSON.stringify(gradient));
|
||||
QUnit.deepEqual(gradient, expected['Generate.parseGradient'][i], 'Parsed gradient with CSS: ' + src);
|
||||
} else {
|
||||
QUnit.ok(true, 'No CSS Background Gradient support');
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
|
||||
propsToTest['Generate.Gradient'] = ["backgroundImage"];
|
||||
numDivs['Generate.Gradient'] = $('#backgroundGradients div').length;
|
||||
|
||||
test('Generate.Gradient', propsToTest['Generate.Gradient'].length * numDivs['Generate.Gradient'], function() {
|
||||
|
||||
$('#backgroundGradients div').each(function(i, el) {
|
||||
$.each(propsToTest['Generate.Gradient'], function(s, prop) {
|
||||
var src, img, canvas, ctx, id, data, len, red, green, blue, overallColor = 0;
|
||||
|
||||
src = _html2canvas.Util.getCSS(el, prop);
|
||||
|
||||
if (/^(-webkit|-o|-moz|-ms|linear)-/.test(src)) {
|
||||
|
||||
img = _html2canvas.Generate.Gradient(src, {
|
||||
width: 50,
|
||||
height: 50
|
||||
});
|
||||
|
||||
canvas = document.createElement('canvas');
|
||||
canvas.width = 50;
|
||||
canvas.height = 50;
|
||||
ctx = canvas.getContext('2d');
|
||||
ctx.drawImage(img, 0, 0);
|
||||
id = ctx.getImageData(0, 0, 50, 50);
|
||||
data = id.data;
|
||||
len = data.length;
|
||||
|
||||
//console.log(img);
|
||||
|
||||
for (var i = 0; i < len; i += 4) {
|
||||
red = data[i]; // red
|
||||
green = data[i + 1]; // green
|
||||
blue = data[i + 2]; // blue
|
||||
// i+3 is alpha (the fourth element)
|
||||
|
||||
overallColor += (red + green + blue) / 3;
|
||||
}
|
||||
overallColor /= (len / 4);
|
||||
|
||||
QUnit.notEqual(overallColor, 255, 'Background Gradient drawn with CSS: ' + src);
|
||||
} else {
|
||||
QUnit.ok(true, 'No CSS Background Gradient support');
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
Loading…
Reference in New Issue
Block a user