diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/compositing/2d.composite.globalAlpha.imagepattern.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/compositing/2d.composite.globalAlpha.imagepattern.worker.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/compositing/2d.composite.globalAlpha.imagepattern.worker.js b/testing/web-platform/tests/html/canvas/offscreen/compositing/2d.composite.globalAlpha.imagepattern.worker.js new file mode 100644 index 0000000000..c6ab163b65 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/compositing/2d.composite.globalAlpha.imagepattern.worker.js @@ -0,0 +1,27 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.composite.globalAlpha.imagepattern +// Description: +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +promise_test(async t => { + + var canvas = new OffscreenCanvas(100, 50); + var ctx = canvas.getContext('2d'); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + const response = await fetch('/images/red.png'); + const blob = await response.blob(); + const bitmap = await createImageBitmap(blob); + + ctx.fillStyle = ctx.createPattern(bitmap, 'no-repeat'); + // Avoiding any potential alpha = 0 optimisations. + ctx.globalAlpha = 0.01; + ctx.fillRect(0, 0, 100, 50); + _assertPixelApprox(canvas, 50,25, 2,253,0,255, 2); + t.done(); +}, ""); +done(); |