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| 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/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-transferControlToOffscreen.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/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-transferControlToOffscreen.html')
| -rw-r--r-- | testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-transferControlToOffscreen.html | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-transferControlToOffscreen.html b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-transferControlToOffscreen.html new file mode 100644 index 0000000000..e833b63fe4 --- /dev/null +++ b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-transferControlToOffscreen.html @@ -0,0 +1,63 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>Canvas's ImageBitmapRenderingContext test</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/multipage/scripting.html#the-imagebitmap-rendering-context"> +<script> +var width = 10; +var height = 10; + +function testCanvas(ctx, r, g, b, a) +{ + var color = ctx.getImageData(5, 5, 1, 1).data; + assert_array_equals(color, [r, g, b, a]); +} + +promise_test(function() { + function transferFromImageBitmapToBlobOffscreen(greenImage) { + var bitmapCanvas = document.createElement('canvas'); + bitmapCanvas.width = width; + bitmapCanvas.height = height; + var offscreenCanvas = bitmapCanvas.transferControlToOffscreen(); + var bitmapCtx = offscreenCanvas.getContext('bitmaprenderer'); + bitmapCtx.transferFromImageBitmap(greenImage); + + return offscreenCanvas.convertToBlob(); + } + + function drawBlobToCanvas(blob) { + // Make sure the bitmap renderer canvas is filled correctly. + var pngImage = new Image(); + var myCanvasToTest = document.createElement('canvas'); + myCanvasToTest.width = width; + myCanvasToTest.height = height; + + // Wait for the blob img to load. + return new Promise(function(resolve) { + pngImage.src = URL.createObjectURL(blob); + pngImage.onload = function() { + var myCtxToTest = myCanvasToTest.getContext('2d'); + myCtxToTest.drawImage(pngImage, 0, 0); + resolve(myCtxToTest); + }; + }); + } + + var greenCanvas = document.createElement('canvas'); + greenCanvas.width = width; + greenCanvas.height = height; + var greenCtx = greenCanvas.getContext('2d'); + greenCtx.fillStyle = '#0f0'; + greenCtx.fillRect(0, 0, width, height); + + return createImageBitmap(greenCanvas).then( + greenImage => transferFromImageBitmapToBlobOffscreen(greenImage) + ).then( + blob => drawBlobToCanvas(blob) + ).then( + ctx => testCanvas(ctx, 0, 255, 0, 255) + ); +},'Test that convertToBlob works and produce the expected image'); + +</script> |