<!doctype HTML> <html> <head> <title>HTML5 Canvas Test: bezierCurveTo() must ensure subpaths</title> <link rel="match" href="canvas_complexshapes_beziercurveto_001-ref.htm"> <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> <canvas id="canvas1" width="300" height="150">Browser does not support HTML5 Canvas.</canvas> </body> </html>