| Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-blob-in-workers.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-blob-in-workers.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-blob-in-workers.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..ea845ef241c5b77a454a0d7bbc570013ca319658
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-createImageBitmap-blob-in-workers.html
|
| @@ -0,0 +1,78 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<script src="../../resources/js-test.js"></script>
|
| +</head>
|
| +<body>
|
| +<script>
|
| +jsTestIsAsync = true;
|
| +var worker = startWorker('./resources/canvas-createImageBitmap-blob-in-workers.js');
|
| +
|
| +description('Test createImageBitmap with blob in workers.');
|
| +
|
| +var imgWidth = 20;
|
| +var imgHeight = 20;
|
| +var imageData2;
|
| +var numOfBitmaps = 5;
|
| +var bitmapArray = [];
|
| +
|
| +var canvas1 = document.createElement("canvas");
|
| +var ctx1 = canvas1.getContext("2d");
|
| +ctx1.fillStyle = "#FF0000";
|
| +ctx1.fillRect(0, 0, imgWidth, imgHeight);
|
| +
|
| +function compareImageData(data1, data2)
|
| +{
|
| + if (data1.length != data2.length) {
|
| + testFailed("The two image have different dimensions");
|
| + finishJSTest();
|
| + }
|
| + for (var i = 0; i < data1.length; i++) {
|
| + if (data1[i] != data2[i]) {
|
| + testFailed("The two image have different pixel data");
|
| + finishJSTest();
|
| + }
|
| + }
|
| +}
|
| +
|
| +var newImg = new Image();
|
| +newImg.onload = function() {
|
| + var canvas2 = document.createElement("canvas");
|
| + var ctx2 = canvas2.getContext("2d");
|
| + ctx2.drawImage(newImg, 0, 0, imgWidth, imgHeight);
|
| + imageData2 = ctx2.getImageData(0, 0, imgWidth, imgHeight).data;
|
| +
|
| + var canvas3 = document.createElement("canvas");
|
| + var ctx3 = canvas3.getContext("2d");
|
| + for (var i = 0; i < numOfBitmaps; i++) {
|
| + ctx3.clearRect(0, 0, imgWidth, imgHeight);
|
| + ctx3.drawImage(bitmapArray[i], 0, 0, imgWidth, imgHeight);
|
| + var imageData = ctx3.getImageData(0, 0, imgWidth, imgHeight).data;
|
| + compareImageData(imageData, imageData2);
|
| + }
|
| +
|
| + worker.onmessage = function(e) {
|
| + var newImageBitmap = e.data.data;
|
| + ctx3.clearRect(0, 0, imgWidth, imgHeight);
|
| + ctx3.drawImage(newImageBitmap, 0, 0, imgWidth, imgHeight);
|
| + var imageData = ctx3.getImageData(0, 0, imgWidth, imgHeight).data;
|
| + compareImageData(imageData, imageData2);
|
| + testPassed("ImageBitmaps created from blob in worker and in main have the same pixel data");
|
| + finishJSTest();
|
| + }
|
| +}
|
| +
|
| +canvas1.toBlob(function(blob) {
|
| + worker.postMessage(blob);
|
| + for (var i = 0; i < numOfBitmaps; i++) {
|
| + createImageBitmap(blob).then(imageBitmap => {
|
| + bitmapArray.push(imageBitmap);
|
| + });
|
| + }
|
| + url = URL.createObjectURL(blob);
|
| + newImg.src = url;
|
| +});
|
| +
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1660993002:
Revert of Simplify CanvasAsyncBlobCreator by removing ContextObserver and related tests (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master