<!doctype HTML> | |
<html> | |
<head> | |
<title>HTML5 Canvas Test: bezierCurveTo() must ensure subpaths</title> | |
<link rel="author" title="Microsoft" href="http://www.microsoft.com" /> | |
<link rel="help" href="http://www.w3.org/TR/2dcontext/#dom-context-2d-beziercurveto" /> | |
<meta name="assert" content="bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y) must ensure there is a subpath for the point (cp1x,cp1y) if the context has no subpaths, then it must connect the last point in the subpath to the point (x,y)." /> | |
<script type="text/javascript"> | |
function runTest() | |
{ | |
var canvas = document.getElementById("canvas1"); | |
var ctx = canvas.getContext("2d"); | |
// Since the canvas has no subpaths, a virtual moveTo must be performed to (65,25) before creating the bezier. | |
ctx.bezierCurveTo(65, 25, 65, 25, 65, 65); | |
ctx.stroke(); | |
ctx.beginPath(); | |
// Since the canvas has no subpaths, a virtual moveTo must be performed to (35,25) before creating the bezier. | |
ctx.bezierCurveTo(35, 25, 35, 25, 35, 65); | |
ctx.stroke(); | |
ctx.beginPath(); | |
// Since the canvas has no subpaths, a virtual moveTo must be performed to (0,75) before creating the bezier. | |
ctx.bezierCurveTo(0, 75, 50, 150, 100, 75); | |
ctx.stroke(); | |
} | |
</script> | |
</head> | |
<body onload="runTest()"> | |
<p>Description: bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y) must ensure there is a subpath for the point (cp1x,cp1y) if the context has no subpaths, then it must connect the last point in the subpath to the point (x,y).</p> | |
<p>Test passes if two vertical lines and one curved line are seen below in the shape of a smiley face.</p> | |
<canvas id="canvas1" width="300" height="150">Browser does not support HTML5 Canvas.</canvas> | |
</body> | |
</html> |