| <!doctype HTML> | |
| <html> | |
| <head> | |
| <title>HTML5 Canvas Test: arcTo() adds to subpath if same point</title> | |
| <link rel="author" title="Microsoft" href="http://www.microsoft.com" /> | |
| <link rel="help" href="http://www.w3.org/TR/2dcontext/#dom-context-2d-arcto" /> | |
| <meta name="assert" content="If x1,y1 and x2,y2 are the same point, then arcTo must add x1,y1 to the subpath, and connect that point to x0,y0 with a straight line." /> | |
| <script type="text/javascript"> | |
| function runTest() | |
| { | |
| var canvas = document.getElementById("canvas1"); | |
| var ctx = canvas.getContext("2d"); | |
| ctx.moveTo(0, 50); | |
| // Since (x1, y1) and (x2, y2) are the same point, (x1, y1) must be added to the subpath, thus creating a line. | |
| ctx.arcTo(100, 50, 100, 50, 10); | |
| ctx.stroke(); | |
| } | |
| </script> | |
| </head> | |
| <body onload="runTest()"> | |
| <p>Description: If x1,y1 and x2,y2 are the same point, then arcTo must add x1,y1 to the subpath, and connect that point to x0,y0 with a straight line.</p> | |
| <p>Test passes if there is a straight, horizontal line seen on the page.</p> | |
| <canvas id="canvas1" width="300" height="150">Browser does not support HTML5 Canvas.</canvas> | |
| </body> | |
| </html> |