CSS21-t100303-make-images.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"

	"http://www.w3.org/TR/html4/strict.dtd">

<html lang="en-US">

<head>

	<title></title>

	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

	<meta http-equiv="Content-Script-Type" content="text/javascript">

	<script type="text/javascript">

	var gWidth = 1024;

	var gHeight = 1;

	var gBarriers = [ 170, 334, 340, 344, 350, 458 ];

	var gColors = [ "green", "red" ];

	function append_url(filename, contents_url) {

	    var p = document.createElement("p");

	    var a = document.createElement("a");

	    a.href = contents_url;

	    var t = document.createTextNode("CSS21-t100303-" + filename);

	    a.appendChild(t);

	    p.appendChild(a);

	    document.body.appendChild(p);

	function run() {

	    var canvas = document.getElementById("canvas");

	    var cx = canvas.getContext("2d");

	    for (var i in gBarriers) {

	        var barrier = gBarriers[i];

	        cx.fillStyle = gColors[1];

	        cx.fillRect(0, 0, gWidth, gHeight);

	        cx.fillStyle = gColors[0];

	        cx.fillRect(0, 0, barrier, gHeight);

	        append_url(gColors[0] + "-in-" + barrier + "px.png",

	                   canvas.toDataURL("image/png"));

	        cx.fillStyle = gColors[0];

	        cx.fillRect(0, 0, gWidth, gHeight);

	        cx.fillStyle = gColors[1];

	        cx.fillRect(0, 0, barrier, gHeight);

	        append_url(gColors[0] + "-outside-" + barrier + "px.png",

	                   canvas.toDataURL("image/png"));

	</script>

</head>

<body onload="run()">

<canvas width="1024" height="1" id="canvas"></canvas>

</body>

</html>