Andrew Top | 61a8495 | 2019-04-30 15:07:33 -0700 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| 3 | <title>Canvas test: 2d.composite.uncovered.nocontext.copy</title> |
| 4 | <script src="/resources/testharness.js"></script> |
| 5 | <script src="/resources/testharnessreport.js"></script> |
| 6 | <script src="/common/canvas-tests.js"></script> |
| 7 | <link rel="stylesheet" href="/common/canvas-tests.css"> |
| 8 | <body class="show_output"> |
| 9 | |
| 10 | <h1>2d.composite.uncovered.nocontext.copy</h1> |
| 11 | <p class="desc">drawImage() of a canvas with no context draws pixels as (0,0,0,0), and does not leave the pixels unchanged.</p> |
| 12 | |
| 13 | |
| 14 | <p class="output">Actual output:</p> |
| 15 | <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| 16 | <p class="output expectedtext">Expected output:<p><img src="2d.composite.uncovered.nocontext.copy.png" class="output expected" id="expected" alt=""> |
| 17 | <ul id="d"></ul> |
| 18 | <script> |
| 19 | var t = async_test("drawImage() of a canvas with no context draws pixels as (0,0,0,0), and does not leave the pixels unchanged."); |
| 20 | _addTest(function(canvas, ctx) { |
| 21 | |
| 22 | |
| 23 | ctx.fillStyle = 'rgba(0, 255, 255, 0.5)'; |
| 24 | ctx.fillRect(0, 0, 100, 50); |
| 25 | ctx.globalCompositeOperation = 'copy'; |
| 26 | var canvas2 = document.createElement('canvas'); |
| 27 | ctx.drawImage(canvas2, 0, 0); |
| 28 | _assertPixelApprox(canvas, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5); |
| 29 | |
| 30 | |
| 31 | }); |
| 32 | </script> |
| 33 | |