mirror of
https://github.com/niklasvh/html2canvas.git
synced 2023-08-10 21:13:10 +03:00
Added automated testing with selenium
This commit is contained in:
Niklas von Hertzen
parent
9df9426c91
commit
d6ddb7e29d
55
src/Parse.js
55
src/Parse.js
@ -1,4 +1,4 @@
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_html2canvas.Parse = function ( images, options ) {
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_html2canvas.Parse = function (images, options) {
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window.scroll(0,0);
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var support = {
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@ -96,16 +96,16 @@ _html2canvas.Parse = function ( images, options ) {
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}
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var getCSS = _html2canvas.Util.getCSS;
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function getCSSInt(element, attribute) {
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var val = parseInt(getCSS(element, attribute), 10);
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return (isNaN(val)) ? 0 : val; // borders in old IE are throwing 'medium' for demo.html
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}
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// Drawing a rectangle
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function renderRect (ctx, x, y, w, h, bgcolor) {
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if (bgcolor !== "transparent"){
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ctx.setVariable("fillStyle", bgcolor);
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ctx.fillRect (x, y, w, h);
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ctx.fillRect(x, y, w, h);
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numDraws+=1;
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}
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}
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@ -144,6 +144,7 @@ _html2canvas.Parse = function ( images, options ) {
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var container = doc.createElement('div'),
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img = doc.createElement('img'),
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span = doc.createElement('span'),
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sampleText = 'Hidden Text',
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baseline,
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middle,
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metricsObj;
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@ -170,13 +171,13 @@ _html2canvas.Parse = function ( images, options ) {
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span.style.margin = 0;
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span.style.padding = 0;
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span.appendChild(doc.createTextNode('Hidden Text'));
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span.appendChild(doc.createTextNode(sampleText));
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container.appendChild(span);
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container.appendChild(img);
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baseline = (img.offsetTop - span.offsetTop) + 1;
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container.removeChild(span);
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container.appendChild(doc.createTextNode('Hidden Text'));
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container.appendChild(doc.createTextNode(sampleText));
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container.style.lineHeight = "normal";
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img.style.verticalAlign = "super";
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@ -222,6 +223,7 @@ _html2canvas.Parse = function ( images, options ) {
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ctx.setVariable("fillStyle", color);
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ctx.setVariable("font", [font_style, font_variant, bold, size, family].join(" "));
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ctx.setVariable("textAlign", (align) ? "right" : "left");
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if (text_decoration !== "none"){
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return fontMetrics(family, size);
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}
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@ -327,8 +329,9 @@ _html2canvas.Parse = function ( images, options ) {
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}
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drawText(textValue, bounds.left, bounds.bottom, ctx);
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if (textValue !== null) {
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drawText(textValue, bounds.left, bounds.bottom, ctx);
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}
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renderTextDecoration(text_decoration, bounds, metrics, color);
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textOffset += renderList[c].length;
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@ -341,21 +344,21 @@ _html2canvas.Parse = function ( images, options ) {
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function listPosition (element, val) {
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var boundElement = doc.createElement( "boundelement" ),
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type,
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originalType,
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bounds;
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boundElement.style.display = "inline";
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type = element.style.listStyleType;
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originalType = element.style.listStyleType;
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element.style.listStyleType = "none";
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boundElement.appendChild( doc.createTextNode( val ) );
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boundElement.appendChild(doc.createTextNode(val));
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element.insertBefore(boundElement, element.firstChild);
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bounds = _html2canvas.Util.Bounds( boundElement );
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element.removeChild( boundElement );
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element.style.listStyleType = type;
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bounds = _html2canvas.Util.Bounds(boundElement);
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element.removeChild(boundElement);
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element.style.listStyleType = originalType;
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return bounds;
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}
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@ -406,9 +409,7 @@ _html2canvas.Parse = function ( images, options ) {
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}
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function renderListItem(element, stack, elBounds) {
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var position = getCSS(element, "listStylePosition"),
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x,
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y,
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var x,
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text,
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type = getCSS(element, "listStyleType"),
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listBounds;
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@ -418,16 +419,14 @@ _html2canvas.Parse = function ( images, options ) {
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listBounds = listPosition(element, text);
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setTextVariables(ctx, element, "none", getCSS(element, "color"));
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if (position === "inside") {
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if (getCSS(element, "listStylePosition") === "inside") {
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ctx.setVariable("textAlign", "left");
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x = elBounds.left;
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} else {
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return;
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}
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y = listBounds.bottom;
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drawText(text, x, y, ctx);
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drawText(text, x, listBounds.bottom, ctx);
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}
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}
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@ -731,15 +730,13 @@ _html2canvas.Parse = function ( images, options ) {
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height,
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add;
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// if (typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false && /^(-webkit|-moz|linear-gradient|-o-)/.test(background_image)===false){
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if ( !/data:image\/.*;base64,/i.test(background_image) && !/^(-webkit|-moz|linear-gradient|-o-)/.test(background_image) ) {
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background_image = background_image.split(",")[0];
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}
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if ( typeof background_image !== "undefined" && /^(1|none)$/.test( background_image ) === false ) {
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background_image = _html2canvas.Util.backgroundImage( background_image );
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image = loadImage( background_image );
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if ( typeof background_image !== "undefined" && /^(1|none)$/.test(background_image) === false ) {
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background_image = _html2canvas.Util.backgroundImage(background_image);
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image = loadImage(background_image);
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bgp = _html2canvas.Util.BackgroundPosition(el, bounds, image);
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@ -748,11 +745,11 @@ _html2canvas.Parse = function ( images, options ) {
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if ( image ){
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switch ( background_repeat ) {
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case "repeat-x":
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renderBackgroundRepeatX( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
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renderBackgroundRepeatX(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
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break;
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case "repeat-y":
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renderBackgroundRepeatY( ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height );
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renderBackgroundRepeatY(ctx, image, bgp, bounds.left, bounds.top, bounds.width, bounds.height);
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break;
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case "no-repeat":
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@ -890,18 +887,16 @@ _html2canvas.Parse = function ( images, options ) {
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ctx.setVariable("globalAlpha", stack.opacity);
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// draw element borders
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borders = renderBorders(el, ctx, bounds, false);
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stack.borders = borders;
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// let's modify clip area for child elements, so borders dont get overwritten
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if (ignoreElementsRegExp.test(el.nodeName) && options.iframeDefault !== "transparent"){
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bgcolor = (options.iframeDefault === "default") ? "#efefef" : options.iframeDefault;
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}
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// draw base element bgcolor
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bgbounds = {
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left: x + borders[3].width,
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@ -2,79 +2,83 @@
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* jQuery helper plugin for examples and tests
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*/
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(function( $ ){
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$.fn.html2canvas = function(options) {
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if (options && options.profile && window.console && window.console.profile) {
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console.profile();
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}
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var date = new Date(),
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html2obj,
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$message = null,
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timeoutTimer = false,
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timer = date.getTime();
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options = options || {};
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options.onrendered = options.onrendered || function( canvas ) {
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var $canvas = $(canvas),
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finishTime = new Date();
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if (options && options.profile && window.console && window.console.profileEnd) {
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console.profileEnd();
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}
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$canvas.css({
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position: 'absolute',
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left: 0,
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top: 0
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}).appendTo(document.body);
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$canvas.siblings().toggle();
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$(window).click(function(){
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$canvas.toggle().siblings().toggle();
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throwMessage("Canvas Render " + ($canvas.is(':visible') ? "visible" : "hidden"));
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});
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throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)) + " ms<br />",4000);
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// test if canvas is read-able
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try {
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$canvas[0].toDataURL();
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} catch(e) {
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if ($canvas[0].nodeName.toLowerCase() === "canvas") {
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// TODO, maybe add a bit less offensive way to present this, but still something that can easily be noticed
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alert("Canvas is tainted, unable to read data");
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}
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}
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};
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html2obj = html2canvas(this, options);
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function throwMessage(msg,duration){
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window.clearTimeout(timeoutTimer);
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timeoutTimer = window.setTimeout(function(){
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$message.fadeOut(function(){
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$message.remove();
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$message = null;
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});
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},duration || 2000);
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if ($message)
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$message.remove();
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$message = $('<div />').html(msg).css({
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margin:0,
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padding:10,
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background: "#000",
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opacity:0.7,
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position:"fixed",
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top:10,
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right:10,
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fontFamily: 'Tahoma',
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color:'#fff',
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fontSize:12,
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borderRadius:12,
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width:'auto',
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height:'auto',
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textAlign:'center',
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textDecoration:'none',
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display:'none'
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}).appendTo(document.body).fadeIn();
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html2obj.log(msg);
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$.fn.html2canvas = function(options) {
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if (options && options.profile && window.console && window.console.profile) {
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console.profile();
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}
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var date = new Date(),
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html2obj,
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$message = null,
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timeoutTimer = false,
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timer = date.getTime();
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options = options || {};
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options.onrendered = options.onrendered || function( canvas ) {
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var $canvas = $(canvas),
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finishTime = new Date();
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if (options && options.profile && window.console && window.console.profileEnd) {
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console.profileEnd();
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}
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$canvas.addClass("html2canvas")
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.css({
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position: 'absolute',
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left: 0,
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top: 0
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}).appendTo(document.body);
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if (window.location.search !== "?selenium") {
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$canvas.siblings().toggle();
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$(window).click(function(){
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$canvas.toggle().siblings().toggle();
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throwMessage("Canvas Render " + ($canvas.is(':visible') ? "visible" : "hidden"));
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});
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throwMessage('Screenshot created in '+ ((finishTime.getTime()-timer)) + " ms<br />",4000);
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} else {
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$canvas.css('display', 'none');
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}
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// test if canvas is read-able
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try {
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$canvas[0].toDataURL();
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} catch(e) {
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if ($canvas[0].nodeName.toLowerCase() === "canvas") {
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// TODO, maybe add a bit less offensive way to present this, but still something that can easily be noticed
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alert("Canvas is tainted, unable to read data");
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}
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}
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};
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html2obj = html2canvas(this, options);
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function throwMessage(msg,duration){
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window.clearTimeout(timeoutTimer);
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timeoutTimer = window.setTimeout(function(){
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$message.fadeOut(function(){
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$message.remove();
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$message = null;
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});
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},duration || 2000);
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if ($message)
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$message.remove();
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$message = $('<div />').html(msg).css({
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margin:0,
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padding:10,
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background: "#000",
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opacity:0.7,
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position:"fixed",
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top:10,
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right:10,
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fontFamily: 'Tahoma',
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color:'#fff',
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fontSize:12,
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borderRadius:12,
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width:'auto',
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height:'auto',
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textAlign:'center',
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textDecoration:'none',
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display:'none'
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}).appendTo(document.body).fadeIn();
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html2obj.log(msg);
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}
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};
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})( jQuery );
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@ -94,7 +94,7 @@ _html2canvas.Renderer.Canvas = function( options ) {
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canvas.height = canvas.style.height = (!usingFlashcanvas) ? options.height || zStack.ctx.height : Math.min(flashMaxSize, (options.height || zStack.ctx.height) );
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fstyle = ctx.fillStyle;
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ctx.fillStyle = zStack.backgroundColor;
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ctx.fillStyle = (zStack.backgroundColor === "transparent") ? "#fff" : zStack.backgroundColor;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = fstyle;
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@ -1,8 +1,3 @@
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<!--
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* @author Niklas von Hertzen <niklas at hertzen.com>
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* @created 15.7.2011
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* @website http://hertzen.com
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-->
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<!DOCTYPE html>
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<html>
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<head>
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@ -18,7 +13,7 @@
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}
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.small div{
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width:100px;
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height:100px;
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height:100px;
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float:left;
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margin:10px;
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border:1px solid #000;
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@ -26,7 +21,7 @@
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.medium div{
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width:200px;
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height:200px;
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height:200px;
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float:left;
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margin:10px;
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border:1px solid #000;
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@ -36,8 +31,8 @@
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clear:both;
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}
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div{
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display:block;
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div{
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display:block;
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}
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.encoded {
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@ -47,14 +42,14 @@
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.linearGradient {
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/*background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(rgb(255, 0, 0)), to(rgb(0, 0, 255)));*/
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background: -webkit-linear-gradient(top left, #f00, #00f, #BADA55, rgba(0, 0, 255,0.5));
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background: -webkit-linear-gradient(top left, #f00, #00f, #BADA55, rgba(0, 0, 255,0.5));
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background: -moz-linear-gradient(top right, #f00, #00f, #BADA55, rgba(0, 0, 255,0.5));
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}
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.linearGradient2 {
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background: -webkit-gradient(linear, 0% 0, 0% 100%, from(rgb(252, 252, 252)), to(rgb(232, 232, 232)));
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}
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.linearGradient3 {
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/* FF 3.6+ */
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background: -moz-linear-gradient(left, #ff0000, #ffff00, #00ff00);
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@ -69,7 +64,7 @@
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/* W3C */
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background: linear-gradient(left, #ff0000, #ffff00, #00ff00);
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}
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.linearGradient4 {
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/* FF 3.6+ */
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background: -moz-linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
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@ -84,7 +79,7 @@
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/* W3C */
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background: linear-gradient(left, #cedbe9 0%, #aac5de 17%, #6199c7 50%, #3a84c3 51%, #419ad6 59%, #4bb8f0 71%, #3a8bc2 84%, #26558b 100%);
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}
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.linearGradient5 {
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/* FF 3.6+ */
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background: -moz-linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
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@ -99,7 +94,7 @@
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/* W3C */
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background: linear-gradient(top, #f0b7a1 0%, #8c3310 50%, #752201 51%, #bf6e4e 100%);
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}
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.radialGradient {
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/* FF 3.6+ */
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background: -moz-radial-gradient(center, ellipse cover, #959595 0%, #0d0d0d 48%, #2f7bd8 50%, #0a0a0a 64%, #4e4e4e 80%, #383838 87%, #1b1b1b 100%);
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@ -114,32 +109,32 @@
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/* W3C */
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background: radial-gradient(center, ellipse cover, #959595 0%,#0d0d0d 48%,#2f7bd8 50%,#0a0a0a 64%,#4e4e4e 80%,#383838 87%,#1b1b1b 100%);
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}
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.radialGradient2 {
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/* thx to https://twitter.com/#!/markjmclaren/status/13067366701 */
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background-color: #FFF;
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background-image:
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-webkit-gradient(radial, 45 45, 10, 52 50, 30, from(#A7D30C), to(rgba(1,159,98,0)), color-stop(90%, #019F62)),
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-webkit-gradient(radial, 105 105, 20, 112 120, 50, from(#ff5f98), to(rgba(255,1,136,0)), color-stop(75%, #ff0188)),
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-webkit-gradient(radial, 95 15, 15, 102 20, 40, from(#00c9ff), to(rgba(0,201,255,0)), color-stop(80%, #00b5e2)),
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-webkit-gradient(radial, 0 150, 50, 0 140, 90, from(#f4f201), to(rgba(228, 199,0,0)), color-stop(80%, #e4c700));
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background-image:
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-moz-radial-gradient(42px 42px, circle farthest-corner, #A7D30C 0%, #A7D30C 3%, rgba(1,159,98,0) 11%),
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-moz-radial-gradient(45px 45px, circle farthest-corner, #019F62 0%, #019F62 13%, rgba(255,255,255,0) 16%, rgba(255,255,255,0) 100%),
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-moz-radial-gradient(102px 102px, circle farthest-corner, #ff5f98 0%, #ff5f98 15%, rgba(255,1,136,0) 27%),
|
||||
-moz-radial-gradient(105px 105px, circle farthest-corner, #FF0188 0%, #FF0188 28%, rgba(255,255,255,0) 32%, rgba(255,255,255,0) 100%),
|
||||
|
||||
|
||||
-moz-radial-gradient(92px 12px, circle farthest-corner, #00c9ff 0%, #00c9ff 10%, rgba(0,181,226,0) 26%),
|
||||
-moz-radial-gradient(95px 15px, circle farthest-corner, #00b5e2 0%, #00b5e2 28%, rgba(255,255,255,0) 31%, rgba(255,255,255,0) 100%),
|
||||
|
||||
|
||||
-moz-radial-gradient(0px 150px, circle farthest-corner, #f4f201 0%, #f4f201 25%, rgba(228,199,0,0) 45%),
|
||||
-moz-radial-gradient(0px 150px, circle farthest-corner, #e4c700 0%, #e4c700 47%, rgba(255,255,255,0) 50%, rgba(255,255,255,0) 100%);
|
||||
}
|
||||
|
||||
|
||||
.radialGradient3 {
|
||||
background: -moz-radial-gradient(75% 19%, ellipse closest-side, #ababab, #0000ff 33%,#991f1f 100%);
|
||||
background: -webkit-radial-gradient(75% 19%, ellipse closest-side, #ababab, #0000ff 33%,#991f1f 100%);
|
||||
|
||||
@ -1,14 +1,9 @@
|
||||
<!--
|
||||
* @author Niklas von Hertzen <niklas at hertzen.com>
|
||||
* @created 15.7.2011
|
||||
* @website http://hertzen.com
|
||||
-->
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<title>border tests</title>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
|
||||
<link href="#" type="text/css" rel="stylesheet">
|
||||
<link href="#" type="text/css" rel="stylesheet">
|
||||
<script type="text/javascript" src="test.js"></script>
|
||||
<style type="text/css">
|
||||
|
||||
@ -66,7 +61,7 @@
|
||||
margin-bottom:-15px;
|
||||
height:50px;
|
||||
margin-top:10px;
|
||||
|
||||
|
||||
}
|
||||
|
||||
#div6{
|
||||
@ -74,7 +69,7 @@
|
||||
background-color: #ddddff;
|
||||
text-align: left;
|
||||
padding-left: 10px;
|
||||
|
||||
|
||||
}
|
||||
|
||||
</style></head>
|
||||
|
||||
94
tests/selenium.js
Normal file
94
tests/selenium.js
Normal file
@ -0,0 +1,94 @@
|
||||
var webdriver = require("webdriver.js").webdriver,
|
||||
http = require("http"),
|
||||
url = require("url"),
|
||||
path = require("path"),
|
||||
base64_arraybuffer = require('base64-arraybuffer'),
|
||||
PNG = require('png-js'),
|
||||
fs = require("fs"),
|
||||
port = 5555;
|
||||
|
||||
var server = http.createServer(function(request, response) {
|
||||
var uri = url.parse(request.url).pathname,
|
||||
filename = path.join(process.cwd(), "../" + uri);
|
||||
|
||||
fs.exists(filename, function(exists) {
|
||||
if(!exists) {
|
||||
response.writeHead(404, {
|
||||
"Content-Type": "text/plain"
|
||||
});
|
||||
response.write("404 Not Found\n");
|
||||
response.end();
|
||||
return;
|
||||
}
|
||||
|
||||
if (fs.statSync(filename).isDirectory()) filename += '/index.html';
|
||||
|
||||
fs.readFile(filename, "binary", function(err, file) {
|
||||
if(err) {
|
||||
response.writeHead(500, {
|
||||
"Content-Type": "text/plain"
|
||||
});
|
||||
response.write(err + "\n");
|
||||
response.end();
|
||||
return;
|
||||
}
|
||||
|
||||
response.writeHead(200);
|
||||
response.write(file, "binary");
|
||||
response.end();
|
||||
});
|
||||
});
|
||||
|
||||
}).listen(port);
|
||||
|
||||
|
||||
function getPixelArray(base64, func) {
|
||||
var arraybuffer = base64_arraybuffer.decode(base64);
|
||||
(new PNG(arraybuffer)).decode(func);
|
||||
}
|
||||
|
||||
var browser = new webdriver({
|
||||
logging:false
|
||||
});
|
||||
|
||||
|
||||
function testPage(url, done) {
|
||||
browser.url("http://localhost:" + port + "/tests/" + url + "?selenium")
|
||||
.$(".html2canvas", 5000, function(){
|
||||
this.execute(function(){
|
||||
var canvas = $('.html2canvas')[0];
|
||||
return canvas.toDataURL("image/png").substring(22);
|
||||
},[], function(dataurl) {
|
||||
getPixelArray(dataurl, function(h2cPixels) {
|
||||
browser.screenshot(function(base64){
|
||||
getPixelArray(base64, function(screenPixels) {
|
||||
var len = h2cPixels.length, index = 0, diff = 0;
|
||||
for (; index < len; index++) {
|
||||
if (screenPixels[index] - h2cPixels[index] !== 0) {
|
||||
diff++;
|
||||
}
|
||||
}
|
||||
done(100 - (Math.round((diff/h2cPixels.length) * 10000) / 100));
|
||||
});
|
||||
})
|
||||
});
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
(function(pages) {
|
||||
|
||||
(function processPage(page) {
|
||||
testPage(page, function(result) {
|
||||
if (pages.length > 0) {
|
||||
processPage(pages.shift());
|
||||
} else {
|
||||
browser.close(function(){
|
||||
server.close();
|
||||
});
|
||||
}
|
||||
console.log(page, result);
|
||||
});
|
||||
})(pages.shift());
|
||||
|
||||
})(["overflow.html", "forms.html", "lists.html"]);
|
||||
Loading…
Reference in New Issue
Block a user