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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.modified.html | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.modified.html b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.modified.html new file mode 100644 index 0000000000..337701aaf5 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.modified.html @@ -0,0 +1,38 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>OffscreenCanvas test: 2d.imageData.put.modified</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.put.modified</h1> +<p class="desc">putImageData() puts modified image data correctly</p> + + +<script> +var t = async_test("putImageData() puts modified image data correctly"); +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, 100, 50) + ctx.fillStyle = '#f00'; + ctx.fillRect(45, 20, 10, 10) + var imgdata = ctx.getImageData(45, 20, 10, 10); + for (var i = 0, len = imgdata.width*imgdata.height*4; i < len; i += 4) + { + imgdata.data[i] = 0; + imgdata.data[i+1] = 255; + } + ctx.putImageData(imgdata, 45, 20); + _assertPixelApprox(canvas, 50,25, 0,255,0,255, 2); + t.done(); + +}); +</script> |