diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.unaffected.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.unaffected.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.unaffected.html b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.unaffected.html new file mode 100644 index 0000000000..66a0b80fd7 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.unaffected.html @@ -0,0 +1,42 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>OffscreenCanvas test: 2d.imageData.get.unaffected</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> + +<h1>2d.imageData.get.unaffected</h1> +<p class="desc">getImageData() is not affected by context state</p> + + +<script> +var t = async_test("getImageData() is not affected by context state"); +var t_pass = t.done.bind(t); +var t_fail = t.step_func(function(reason) { + throw reason; +}); +t.step(function() { + + var canvas = new OffscreenCanvas(100, 50); + var ctx = canvas.getContext('2d'); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 50, 50) + ctx.fillStyle = '#f00'; + ctx.fillRect(50, 0, 50, 50) + ctx.save(); + ctx.translate(50, 0); + ctx.globalAlpha = 0.1; + ctx.globalCompositeOperation = 'destination-atop'; + ctx.shadowColor = '#f00'; + ctx.rect(0, 0, 5, 5); + ctx.clip(); + var imgdata = ctx.getImageData(0, 0, 50, 50); + ctx.restore(); + ctx.putImageData(imgdata, 50, 0); + _assertPixelApprox(canvas, 25,25, 0,255,0,255, 2); + _assertPixelApprox(canvas, 75,25, 0,255,0,255, 2); + t.done(); + +}); +</script> |