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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html')
| -rw-r--r-- | testing/web-platform/tests/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/testing/web-platform/tests/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html b/testing/web-platform/tests/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html new file mode 100644 index 0000000000..21c5ea48ad --- /dev/null +++ b/testing/web-platform/tests/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html @@ -0,0 +1,90 @@ +<!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, x, y, r, g, b, a) +{ + var color = ctx.getImageData(x, y, 1, 1).data; + assert_array_equals(color, [r, g, b, a]); +} + +function consumeImageBitmap(image, t) +{ + var myCanvas = document.createElement('canvas'); + myCanvas.width = myCanvas.height = 20; + var myCtx = myCanvas.getContext('bitmaprenderer'); + myCtx.transferFromImageBitmap(image); + + createImageBitmap(myCanvas).then(t.step_func_done(function(imageBitmap) { + // Per spec, when transferFromImageBitmap happens, the transferred + // ImageBitmap (|image| here) must determine the intrinsic size of + // myCanvas, and hence myCanvas.width/height is ignored. Therefore, + // |imageBitmap| should have the same size as the |image|. + assert_equals(imageBitmap.width, width); + assert_equals(imageBitmap.height, height); + + var dstCanvas = document.createElement('canvas'); + dstCanvas.width = dstCanvas.height = 20; + var dstCtx = dstCanvas.getContext('2d'); + dstCtx.drawImage(myCanvas, 0, 0); + testCanvas(dstCtx, 5, 5, 0, 255, 0, 255); + testCanvas(dstCtx, 15, 15, 0, 0, 0, 0); + })); +} + +async_test(function(t) { + var canvas = document.createElement("canvas"); + canvas.width = width; + canvas.height = height; + var ctx = canvas.getContext('2d'); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, width, height); + createImageBitmap(canvas).then(t.step_func(function(image) { + consumeImageBitmap(image, t); + })); +}, 'Test that createImageBitmap from a bitmaprenderer canvas produces correct result'); + +async_test(function(t) { + var canvas = document.createElement("canvas"); + canvas.width = width; + canvas.height = height; + var ctx = canvas.getContext('bitmaprenderer'); + createImageBitmap(canvas).then(t.step_func_done(function(image) { + assert_equals(image.width, width); + assert_equals(image.height, height); + + var dstCanvas = document.createElement('canvas'); + dstCanvas.width = width; + dstCanvas.height = height; + var dstCtx = dstCanvas.getContext('2d'); + dstCtx.drawImage(canvas, 0, 0); + testCanvas(dstCtx, 5, 5, 0, 0, 0, 0); + })); +}, 'Test that createImageBitmap on a bitmaprenderer canvas that never consumes any source produces correct result'); + + +async_test(function(t) { + var canvas = document.createElement("canvas"); + canvas.width = width; + canvas.height = height; + var ctx = canvas.getContext('bitmaprenderer'); + ctx.transferFromImageBitmap(null); + createImageBitmap(canvas).then(t.step_func_done(function(image) { + assert_equals(image.width, width); + assert_equals(image.height, height); + + var dstCanvas = document.createElement('canvas'); + dstCanvas.width = width; + dstCanvas.height = height; + var dstCtx = dstCanvas.getContext('2d'); + dstCtx.drawImage(canvas, 0, 0); + testCanvas(dstCtx, 5, 5, 0, 0, 0, 0); + })); +}, 'Test that createImageBitmap on a bitmaprenderer canvas that consumes null produces correct result'); +</script> |