third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-globalCompositeOperation.html - Issue 2504773003: Support globalCompositeOperation in OffscreenCanvas

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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-globalCompositeOperation.html

Issue 2504773003: Support globalCompositeOperation in OffscreenCanvas (Closed)

Patch Set: reset API layout tests Created 4 years, 1 month ago

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Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-globalCompositeOperation.html

diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-globalCompositeOperation.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-globalCompositeOperation.html

new file mode 100644

index 0000000000000000000000000000000000000000..67afbb4959d0fc80a8eaa4766100c96b3f4ad0ec

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-globalCompositeOperation.html

@@ -0,0 +1,29 @@

+<!DOCTYPE html>

+<script src="../../resources/testharness.js"></script>

+<script src="../../resources/testharnessreport.js"></script>

+<script>

+test(function() {

+ var width = 50;

+ var height = 50;

+ var offscreenCanvas1 = new OffscreenCanvas(width, height);

+ var ctx1 = offscreenCanvas1.getContext('2d');

+ var offscreenCanvas2 = new OffscreenCanvas(width, height);

+ var ctx2 = offscreenCanvas2.getContext('2d');

+ ctx2.fillStyle = '#ff0';

+ ctx2.fillRect(0, 0, width, height);

+ ctx1.fillStyle = '#0ff';

+ ctx1.fillRect(0, 0, width, height);

+ ctx1.globalCompositeOperation = 'copy';

+ ctx1.drawImage(offscreenCanvas2, 0, 0);

+ var color = ctx1.getImageData(25, 25, 1, 1).data;

+ assert_approx_equals(color[0], 255, 5);

+ assert_approx_equals(color[1], 255, 5);

+ assert_approx_equals(color[2], 0, 5);

+ assert_approx_equals(color[3], 255, 5);

Justin Novosad 2016/11/17 19:34:24 This is not really a good test because the pixel v

xidachen 2016/11/18 01:42:57 Done.

+}, 'Test globalCompositeOperation API on OffscreenCanvas');

+</script>