| <!DOCTYPE html> |
| <title>Canvas test: 2d.clearRect+fillRect.alpha0.5</title> |
| <script src="../tests.js"></script> |
| <link rel="stylesheet" href="../tests.css"> |
| <body class="show_output"> |
| <p> |
| <a href="index.html">[index]</a> |
| <h1><a href="index.2d.html">2d</a>.<a href="index.2d.clearRect.html">clearRect</a></h1> |
| <p class="desc">fillRect preceded by a clearRect (ctx.globalAlpha = 0.5) on the same area should show no side effects</p> |
| <div class="refs">References: |
| <ul> |
| <li><a href="spec.html#testrefs.2d.clearRect">2d.clearRect</a> |
| </ul> |
| </div> |
| |
| <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="green-100x50.png" class="output expected" id="expected" alt=""> |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.globalAlpha = 0.5; |
| ctx.clearRect(0, 0, 100, 50); |
| ctx.globalAlpha = 1.0; |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| _assertPixel(canvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255"); |
| |
| |
| }); |
| </script> |
| |
