| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.drawImage.9arg.destpos</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.drawImage.9arg.destpos</h1> |
| <p class="desc"></p> |
| |
| |
| <script> |
| promise_test(async t => { |
| |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| const response_red = await fetch('/images/red.png'); |
| const blob_red = await response_red.blob(); |
| const bitmap_red = await createImageBitmap(blob_red); |
| |
| const response_green = await fetch('/images/green.png'); |
| const blob_green = await response_green.blob(); |
| const bitmap_green = await createImageBitmap(blob_green); |
| |
| ctx.drawImage(bitmap_green, 0, 0, 100, 50, 0, 0, 100, 50); |
| ctx.drawImage(bitmap_green, 0, 0, 100, 50, -100, 0, 100, 50); |
| ctx.drawImage(bitmap_red, 0, 0, 100, 50, 100, 0, 100, 50); |
| ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, -50, 100, 50); |
| ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, 50, 100, 50); |
| _assertPixelApprox(canvas, 0,0, 0,255,0,255, 2); |
| _assertPixelApprox(canvas, 99,0, 0,255,0,255, 2); |
| _assertPixelApprox(canvas, 0,49, 0,255,0,255, 2); |
| _assertPixelApprox(canvas, 99,49, 0,255,0,255, 2); |
| |
| }, ""); |
| </script> |