| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>Canvas test: 2d.drawImage.negativesource</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/canvas-tests.js"></script> |
| <link rel="stylesheet" href="/common/canvas-tests.css"> |
| <body class="show_output"> |
| |
| <h1>2d.drawImage.negativesource</h1> |
| <p class="desc">Negative source width/height represents the correct rectangle</p> |
| |
| |
| <p class="output">Actual output:</p> |
| <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| <p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt=""> |
| <ul id="d"></ul> |
| <script> |
| var t = async_test("Negative source width/height represents the correct rectangle"); |
| _addTest(function(canvas, ctx) { |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.drawImage(document.getElementById('ggrr-256x256.png'), 100, 78, -100, 50, 0, 0, 50, 50); |
| ctx.drawImage(document.getElementById('ggrr-256x256.png'), 100, 128, -100, -50, 50, 0, 50, 50); |
| _assertPixelApprox(canvas, 1,1, 0,255,0,255, "1,1", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 1,48, 0,255,0,255, "1,48", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 98,1, 0,255,0,255, "98,1", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 98,48, 0,255,0,255, "98,48", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 48,1, 0,255,0,255, "48,1", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 48,48, 0,255,0,255, "48,48", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 51,1, 0,255,0,255, "51,1", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 51,48, 0,255,0,255, "51,48", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255", 2); |
| |
| |
| }); |
| </script> |
| <img src="/images/ggrr-256x256.png" id="ggrr-256x256.png" class="resource"> |
| |
