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96 lines
2.8 KiB
HTML
96 lines
2.8 KiB
HTML
<!DOCTYPE HTML>
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<title>Test ImageBitmap : StructuredClone main window to main window</title>
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<meta charset="utf-8">
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<body>
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<script type="text/javascript">
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var gImage1;
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var gImage2;
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var gImageBitmap1;
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var gImageBitmap2;
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function isPixel(ctx1, ctx2, x, y) {
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var pixel1 = ctx1.getImageData(x, y, 1, 1);
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var pixel2 = ctx2.getImageData(x, y, 1, 1);
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ok(pixel1.data[0] == pixel2.data[0] &&
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pixel1.data[1] == pixel2.data[1] &&
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pixel1.data[2] == pixel2.data[2] &&
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pixel1.data[3] == pixel2.data[3],
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"Color(" + pixel1.data[0] + ", " + pixel1.data[1] + ", " + pixel1.data[2] + ", " + pixel1.data[3] + ") should qual to Color(" + pixel2.data[0] + ", " + pixel2.data[1] + ", " + pixel2.data[2] + ", " + pixel2.data[3] + ")");
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}
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function compareImageBitmapWithImageElement(imageBitmap, imageElement) {
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var canvas1 = document.createElement('canvas');
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var canvas2 = document.createElement('canvas');
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canvas1.width = imageElement.naturalWidth;
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canvas1.height = imageElement.naturalHeight;
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canvas2.width = imageElement.naturalWidth;
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canvas2.height = imageElement.naturalHeight;
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var ctx1 = canvas1.getContext('2d');
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var ctx2 = canvas2.getContext('2d');
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ctx1.drawImage(imageElement, 0, 0);
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ctx2.drawImage(imageBitmap, 0, 0);
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document.body.appendChild(canvas1);
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document.body.appendChild(canvas2);
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for (var t = 0; t < 20; ++t) {
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// check one random pixel
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var randomX = Math.floor(Math.random() * imageElement.naturalWidth);
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var randomY = Math.floor(Math.random() * imageElement.naturalHeight);
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isPixel(ctx1, ctx2, randomX, randomY);
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}
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}
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window.onmessage = function(event) {
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compareImageBitmapWithImageElement(event.data.bitmap1, gImage1);
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compareImageBitmapWithImageElement(event.data.bitmap2, gImage2);
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SimpleTest.finish();
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}
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function prepareTwoImageBitmap() {
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gImage1 = document.createElement('img');
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gImage2 = document.createElement('img');
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gImage1.src = "image_rgrg-256x256.png";
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gImage2.src = "image_yellow.png";
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var p1 = new Promise(function(resolve, reject) {
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gImage1.onload = function() {
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var promise = createImageBitmap(gImage1);
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promise.then(function(bitmap) {
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gImageBitmap1 = bitmap;
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resolve(true);
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});
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}
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});
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var p2 = new Promise(function(resolve, reject) {
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gImage2.onload = function() {
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var promise = createImageBitmap(gImage2);
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promise.then(function(bitmap) {
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gImageBitmap2 = bitmap;
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resolve(true);
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});
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}
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});
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return Promise.all([p1, p2]);
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}
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function runTests() {
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prepareTwoImageBitmap().then(function(){
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window.postMessage({"bitmap1":gImageBitmap1, "bitmap2":gImageBitmap2}, "*");
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});
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}
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(runTests);
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</script>
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</body>
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