| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.imageData.get.source.size</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.imageData.get.source.size</h1> |
| <p class="desc">getImageData() returns bigger ImageData for bigger source rectangle</p> |
| |
| |
| <script> |
| var t = async_test("getImageData() returns bigger ImageData for bigger source rectangle"); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| var imgdata1 = ctx.getImageData(0, 0, 10, 10); |
| var imgdata2 = ctx.getImageData(0, 0, 20, 20); |
| _assert(imgdata2.width > imgdata1.width, "imgdata2.width > imgdata1.width"); |
| _assert(imgdata2.height > imgdata1.height, "imgdata2.height > imgdata1.height"); |
| |
| t.done(); |
| |
| }); |
| </script> |
