<!doctype HTML> | |
<html> | |
<head> | |
<title>HTML5 Canvas Test: scale() transformation</title> | |
<link rel="author" title="Microsoft" href="http://www.microsoft.com" /> | |
<link rel="help" href="http://www.w3.org/TR/2dcontext/#dom-context-2d-scale" /> | |
<meta name="assert" content="The scale(x, y) method must add the scaling transformation described by the arguments to the transformation matrix." /> | |
<script type="text/javascript"> | |
function runTest() | |
{ | |
var canvas = document.getElementById("canvas1"); | |
var ctx = canvas.getContext("2d"); | |
// Draw a red rectangle. | |
ctx.fillStyle = "rgba(255, 0, 0, 1.0)"; | |
ctx.fillRect(0, 0, 100, 50); | |
// Draw a black rectangle with scaling. | |
ctx.fillStyle = "rgba(0, 0, 0, 1.0)"; | |
ctx.scale(2, 2); | |
ctx.fillRect(0, 0, 50, 25); | |
} | |
</script> | |
</head> | |
<body onload="runTest()"> | |
<p>Description: The scale(x, y) method must add the scaling transformation described by the arguments to the transformation matrix.</p> | |
<p>Test passes if there is no red visible on the page and a black rectangle is seen on the page.</p> | |
<canvas id="canvas1" width="300" height="150">Browser does not support HTML5 Canvas.</canvas> | |
</body> | |
</html> |