| <!DOCTYPE html> |
| <title>Canvas test: 2d.path.arcTo.shape.curve2</title> |
| <meta name="author" content="Philip Taylor"> |
| <script src="../common/canvas-tests.js"></script> |
| <link rel="stylesheet" href="../common/canvas-tests.css"> |
| <body class="show_output"> |
| |
| <h1><a href="index.2d.html">2d</a>.<a href="index.2d.path.html">path</a>.<a href="index.2d.path.arcTo.html">arcTo</a>.<a href="index.2d.path.arcTo.shape.html">shape</a>.curve2</h1> |
| <p class="desc">arcTo() curves in the right kind of shape</p> |
| |
| <div class="refs">Spec references: |
| <ul> |
| <li><a href="../annotated-spec/canvas.html#testrefs.2d.path.arcTo.shape">2d.path.arcTo.shape</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="../resources/green-100x50.png" class="output expected" id="expected" alt=""> |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| var tol = 1.5; // tolerance to avoid antialiasing artifacts |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| |
| ctx.fillStyle = '#f00'; |
| ctx.beginPath(); |
| ctx.rect(10, 20, 45, 10); |
| ctx.moveTo(80, 45); |
| ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true); |
| ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false); |
| ctx.fill(); |
| |
| ctx.strokeStyle = '#0f0'; |
| ctx.lineWidth = 10; |
| ctx.beginPath(); |
| ctx.moveTo(10, 25); |
| ctx.arcTo(75, 25, 75, 60, 20); |
| ctx.stroke(); |
| |
| _assertPixel(canvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255"); |
| _assertPixel(canvas, 55,19, 0,255,0,255, "55,19", "0,255,0,255"); |
| _assertPixel(canvas, 55,20, 0,255,0,255, "55,20", "0,255,0,255"); |
| _assertPixel(canvas, 55,21, 0,255,0,255, "55,21", "0,255,0,255"); |
| _assertPixel(canvas, 64,22, 0,255,0,255, "64,22", "0,255,0,255"); |
| _assertPixel(canvas, 65,21, 0,255,0,255, "65,21", "0,255,0,255"); |
| _assertPixel(canvas, 72,28, 0,255,0,255, "72,28", "0,255,0,255"); |
| _assertPixel(canvas, 73,27, 0,255,0,255, "73,27", "0,255,0,255"); |
| _assertPixel(canvas, 78,36, 0,255,0,255, "78,36", "0,255,0,255"); |
| _assertPixel(canvas, 79,35, 0,255,0,255, "79,35", "0,255,0,255"); |
| _assertPixel(canvas, 80,44, 0,255,0,255, "80,44", "0,255,0,255"); |
| _assertPixel(canvas, 80,45, 0,255,0,255, "80,45", "0,255,0,255"); |
| _assertPixel(canvas, 80,46, 0,255,0,255, "80,46", "0,255,0,255"); |
| |
| |
| }); |
| </script> |
| |
