| Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..c0bc6ff8bc1eeced71d8b7cf826b7f3096d1eb9e
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-transferToImageBitmap.html
|
| @@ -0,0 +1,41 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../resources/js-test.js"></script>
|
| +<script>
|
| +var aCanvas = new OffscreenCanvas(60, 40);
|
| +
|
| +// TransferToImageBitmap on an OffscreenCanvas with no context
|
| +shouldThrow("aCanvas.transferToImageBitmap()");
|
| +ctx = aCanvas.getContext('2d');
|
| +
|
| +// Verify ImageBitmap is correctly sized
|
| +var image = aCanvas.transferToImageBitmap();
|
| +shouldBe("image.width", "60");
|
| +shouldBe("image.height", "40");
|
| +
|
| +// Verify state is preserved through transferToImageBitmap()
|
| +ctx.lineWidth = 5;
|
| +aCanvas.transferToImageBitmap();
|
| +shouldBe("ctx.lineWidth", "5");
|
| +
|
| +// Verify backing is reset through transferToImageBitmap()
|
| +ctx.fillStyle = '#f00';
|
| +ctx.fillRect(0, 0, aCanvas.width, aCanvas.height);
|
| +var firstImage = aCanvas.transferToImageBitmap();
|
| +var secondImage = aCanvas.transferToImageBitmap();
|
| +var testCanvas = document.createElement('canvas');
|
| +var testCtx = testCanvas.getContext('2d');
|
| +testCtx.drawImage(firstImage, 0, 0);
|
| +var imgData = testCtx.getImageData(0, 0, 1, 1).data;
|
| +shouldBe("imgData[0]", "255");
|
| +shouldBe("imgData[1]", "0");
|
| +shouldBe("imgData[2]", "0");
|
| +shouldBe("imgData[3]", "255");
|
| +testCtx.clearRect(0, 0, testCanvas.width, testCanvas.height);
|
| +testCtx.drawImage(secondImage, 0, 0);
|
| +imgData = testCtx.getImageData(0, 0, 1, 1).data;
|
| +shouldBe("imgData[0]", "0");
|
| +shouldBe("imgData[1]", "0");
|
| +shouldBe("imgData[2]", "0");
|
| +shouldBe("imgData[3]", "0");
|
| +
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 1775153002:
Make OffscreenCanvasRenderingContext2D renderable on a worker (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master