diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/canvas/offscreen/manual/convert-to-blob/offscreencanvas.convert.to.blob.html | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/manual/convert-to-blob/offscreencanvas.convert.to.blob.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/manual/convert-to-blob/offscreencanvas.convert.to.blob.html | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/convert-to-blob/offscreencanvas.convert.to.blob.html b/testing/web-platform/tests/html/canvas/offscreen/manual/convert-to-blob/offscreencanvas.convert.to.blob.html new file mode 100644 index 0000000000..1cc0e5bffd --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/convert-to-blob/offscreencanvas.convert.to.blob.html @@ -0,0 +1,165 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-offscreencanvas-converttoblob"> +<script id="myWorker" type="text/worker"> +self.onmessage = function(e) { +}; +</script> +<script> +function makeWorker(script) +{ + var blob = new Blob([script]); + return new Worker(URL.createObjectURL(blob)); +} + +function drawCanvas(ctx) +{ + ctx.fillStyle = "red"; + ctx.fillRect(0, 0, 5, 5); + ctx.fillStyle = "green"; + ctx.fillRect(5, 0, 5, 5); + ctx.fillStyle = "blue"; + ctx.fillRect(0, 5, 5, 5); + ctx.fillStyle = "black"; + ctx.fillRect(5, 5, 5, 5); +} + +function compareImages(image1, image2) +{ + var canvas1 = document.createElement('canvas'); + var canvas2 = document.createElement('canvas'); + canvas1.width = canvas1.height = 10; + canvas2.width = canvas2.height = 10; + var ctx1 = canvas1.getContext('2d'); + var ctx2 = canvas1.getContext('2d'); + ctx1.drawImage(image1, 0, 0); + ctx2.drawImage(image2, 0, 0); + var data1 = ctx1.getImageData(0, 0, 10, 10).data; + var data2 = ctx2.getImageData(0, 0, 10, 10).data; + assert_equals(data1.length, data2.length); + var imageMatched = true; + for (var i = 0; i < data1.length; i++) { + if (data1[i] != data2[i]) { + imageMatched = false; + break; + } + } + assert_true(imageMatched); +} + +function testConvertToBlob(t, typeVal, qualityVal) { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var oCtx = offscreenCanvas.getContext('2d'); + drawCanvas(oCtx); + var canvas = document.createElement('canvas'); + var ctx = canvas.getContext('2d'); + drawCanvas(ctx); + var imageLoadedCounter = 0; + + var image1 = new Image(); + var image2 = new Image(); + var promise; + if (typeVal == "empty" && qualityVal == "empty") + promise = offscreenCanvas.convertToBlob(); + else if (typeVal == "empty" && qualityVal != "empty") + promise = offscreenCanvas.convertToBlob({quality: qualityVal}); + else if (typeVal != "empty" && qualityVal == "empty") + promise = offscreenCanvas.convertToBlob({type: typeVal}); + else + promise = offscreenCanvas.convertToBlob({type: typeVal, quality: qualityVal}); + promise.then(function(blob2) { + image2.src = URL.createObjectURL(blob2); + if (typeVal == "empty" && qualityVal == "empty") { + canvas.toBlob(function(blob1) { + image1.src = URL.createObjectURL(blob1); + }); + } else if (typeVal == "empty" && qualityVal != "empty") { + canvas.toBlob(function(blob1) { + image1.src = URL.createObjectURL(blob1); + }, "image/png", qualityVal); + } else if (typeVal != "empty" && qualityVal == "empty") { + canvas.toBlob(function(blob1) { + image1.src = URL.createObjectURL(blob1); + }, typeVal, 1.0); + } else { + canvas.toBlob(function(blob1) { + image1.src = URL.createObjectURL(blob1); + }, typeVal, qualityVal); + } + image1.onload = image2.onload = t.step_func(function() { + imageLoadedCounter++; + if (imageLoadedCounter == 2) { + compareImages(image1, image2); + t.done(); + } + }); + }); +} + +async_test(function(t) { + testConvertToBlob(t, "empty", "empty"); + testConvertToBlob(t, "empty", 1.0); + testConvertToBlob(t, "empty", 0.2); +}, "Test that convertToBlob with default type produces correct result"); + +async_test(function(t) { + testConvertToBlob(t, "image/png", "empty"); + testConvertToBlob(t, "image/png", 1.0); + testConvertToBlob(t, "image/png", 0.2); +}, "Test that convertToBlob with png produces correct result"); + +async_test(function(t) { + testConvertToBlob(t, "image/jpeg", "empty"); + testConvertToBlob(t, "image/jpeg", 1.0); + testConvertToBlob(t, "image/jpeg", 0.2); +}, "Test that convertToBlob with jpge produces correct result"); + +async_test(function(t) { + testConvertToBlob(t, "image/webp", "empty"); + testConvertToBlob(t, "image/webp", 1.0); + testConvertToBlob(t, "image/webp", 0.2); +}, "Test that convertToBlob with webp produces correct result"); + +async_test(function(t) { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + worker.postMessage({offscreenCanvas}, [offscreenCanvas]); + offscreenCanvas.convertToBlob().then(t.step_func_done(function() { + assert_false("convertToBlob didn't throw, but should be"); + }), t.step_func_done(function(e) { + assert_true(e instanceof DOMException); + assert_equals(e.name, "InvalidStateError"); + })); +}, "Test that call convertToBlob on a detached OffscreenCanvas throws exception"); + +async_test(function(t) { + var offscreenCanvas = new OffscreenCanvas(0, 0); + offscreenCanvas.convertToBlob().then(t.step_func_done(function() { + assert_false("convertToBlob didn't throw, but should be"); + }), t.step_func_done(function(e) { + assert_true(e instanceof DOMException); + assert_equals(e.name, "IndexSizeError"); + })); +}, "Test that call convertToBlob on a OffscreenCanvas with size 0 throws exception"); + +async_test(function(t) { + var img = new Image(); + img.src = "/images/green.png"; + img.crossOrigin = "anonymous"; + img.onload = t.step_func_done(() => { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext("2d"); + ctx.drawImage(img, 0, 0); + offscreenCanvas.convertToBlob().then(t.step_func_done(function() { + assert_false("convertToBlob didn't throw, but should"); + }), t.step_func_done(function(e) { + assert_true(e instanceof DOMException); + assert_equals(e.name, "SecurityError"); + })); + }); +}, "Test that call convertToBlob on a OffscreenCanvas with tainted origin throws exception"); + +</script> + |