| Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap-state-persistency.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap-state-persistency.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap-state-persistency.html
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| new file mode 100644
|
| index 0000000000000000000000000000000000000000..186646c1af469bac34dc47945923e374aa59ec00
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap-state-persistency.html
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| @@ -0,0 +1,32 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../resources/js-test.js"></script>
|
| +<script>
|
| +var aCanvas = new OffscreenCanvas(50, 50);
|
| +var ctx = aCanvas.getContext('2d');
|
| +
|
| +ctx.rect(0, 0, 25, 50);
|
| +ctx.clip();
|
| +ctx.translate(20, 20);
|
| +// Verify backing is reset through transferToImageBitmap()
|
| +ctx.fillStyle = '#0f0';
|
| +var firstImage = aCanvas.transferToImageBitmap();
|
| +// trasnform should be preserved
|
| +ctx.fillRect(0, 0, 10, 10);
|
| +var secondImage = aCanvas.transferToImageBitmap();
|
| +
|
| +var testCanvas = document.createElement('canvas');
|
| +var testCtx = testCanvas.getContext('2d');
|
| +testCtx.drawImage(secondImage, 0, 0);
|
| +// Verify that transform was carried over.
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| +var imgData = testCtx.getImageData(23, 25, 1, 1).data;
|
| +shouldBe("imgData[0]", "0");
|
| +shouldBe("imgData[1]", "255");
|
| +shouldBe("imgData[2]", "0");
|
| +shouldBe("imgData[3]", "255");
|
| +// Verify that clip was carried over.
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| +var imgData = testCtx.getImageData(27, 25, 1, 1).data;
|
| +shouldBe("imgData[0]", "0");
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| +shouldBe("imgData[1]", "0");
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| +shouldBe("imgData[2]", "0");
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| +shouldBe("imgData[3]", "0");
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| +</script>
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|
|