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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-offscreen.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-offscreen.html')
| -rw-r--r-- | testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-offscreen.html | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-offscreen.html b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-offscreen.html new file mode 100644 index 0000000000..81d0c90065 --- /dev/null +++ b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-ToBlob-offscreen.html @@ -0,0 +1,60 @@ +<!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 = new OffscreenCanvas(width,height); + var bitmapCtx = bitmapCanvas.getContext('bitmaprenderer'); + bitmapCtx.transferFromImageBitmap(greenImage); + + return bitmapCanvas.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> |