| <!DOCTYPE html> |
| <title>Canvas test: 2d.line.width.transformed</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.line.html">line</a>.<a href="index.2d.line.width.html">width</a>.transformed</h1> |
| <p class="desc">Line stroke widths are affected by scale transformations</p> |
| |
| <div class="refs">Spec references: |
| <ul> |
| <li><a href="../annotated-spec/canvas.html#testrefs.2d.lineWidth">2d.lineWidth</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) { |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| |
| ctx.lineWidth = 4; |
| // Draw a green line over a red box, to check the line is not too small |
| ctx.fillStyle = '#f00'; |
| ctx.strokeStyle = '#0f0'; |
| ctx.fillRect(15, 15, 20, 20); |
| ctx.save(); |
| ctx.scale(5, 1); |
| ctx.beginPath(); |
| ctx.moveTo(5, 15); |
| ctx.lineTo(5, 35); |
| ctx.stroke(); |
| ctx.restore(); |
| |
| // Draw a green box over a red line, to check the line is not too large |
| ctx.fillStyle = '#0f0'; |
| ctx.strokeStyle = '#f00'; |
| ctx.save(); |
| ctx.scale(-5, 1); |
| ctx.beginPath(); |
| ctx.moveTo(-15, 15); |
| ctx.lineTo(-15, 35); |
| ctx.stroke(); |
| ctx.restore(); |
| ctx.fillRect(65, 15, 20, 20); |
| |
| _assertPixel(canvas, 14,25, 0,255,0,255, "14,25", "0,255,0,255"); |
| _assertPixel(canvas, 15,25, 0,255,0,255, "15,25", "0,255,0,255"); |
| _assertPixel(canvas, 16,25, 0,255,0,255, "16,25", "0,255,0,255"); |
| _assertPixel(canvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255"); |
| _assertPixel(canvas, 34,25, 0,255,0,255, "34,25", "0,255,0,255"); |
| _assertPixel(canvas, 35,25, 0,255,0,255, "35,25", "0,255,0,255"); |
| _assertPixel(canvas, 36,25, 0,255,0,255, "36,25", "0,255,0,255"); |
| |
| _assertPixel(canvas, 64,25, 0,255,0,255, "64,25", "0,255,0,255"); |
| _assertPixel(canvas, 65,25, 0,255,0,255, "65,25", "0,255,0,255"); |
| _assertPixel(canvas, 66,25, 0,255,0,255, "66,25", "0,255,0,255"); |
| _assertPixel(canvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255"); |
| _assertPixel(canvas, 84,25, 0,255,0,255, "84,25", "0,255,0,255"); |
| _assertPixel(canvas, 85,25, 0,255,0,255, "85,25", "0,255,0,255"); |
| _assertPixel(canvas, 86,25, 0,255,0,255, "86,25", "0,255,0,255"); |
| |
| |
| }); |
| </script> |
| |
