crossbrowdy
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A Multimedia JavaScript framework to create real cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps.
187 lines (177 loc) • 6.9 kB
HTML
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>SLCanvas Test Page</title>
<script type="text/javascript" src="slcanvas.js"></script>
<style type="text/css">
body { font-family:Arial,Helvetica }
pre { font-size:10px; background-color:#eeeeee }
</style>
</head>
<body>
<script type="text/javascript">
// Runs a demo by finding its canvas and running the code
function runDemo(canvasId, func) {
var canvas = document.getElementById(canvasId);
if (canvas && canvas.getContext) {
var context = canvas.getContext("2d");
func(context);
}
}
// Demo 1 code
function demo1(context) {
context.fillStyle = "rgb(0, 162, 232)";
context.fillRect(0, 0, 100, 100);
context.save();
context.fillStyle = "rgba(255, 127, 39, 0.8)";
context.fillRect(25, 25, 100, 100);
context.strokeStyle = "rgb(255, 174, 201)";
context.lineWidth = 15;
context.strokeRect(50, 50, 100, 100);
context.restore();
context.beginPath()
context.moveTo(75, 75);
context.lineTo(175, 75);
context.lineTo(75, 175);
context.fill();
var gradient = context
.createLinearGradient(150, 100, 150, 200);
gradient.addColorStop(0/5, "red");
gradient.addColorStop(1/5, "orange");
gradient.addColorStop(2/5, "yellow");
gradient.addColorStop(3/5, "green");
gradient.addColorStop(4/5, "blue");
gradient.addColorStop(5/5, "purple");
context.fillStyle = gradient;
context.fillRect(100, 100, 100, 100);
}
// Demo 2 code
function demo2(context) {
context.fillRect(0, 0, 200, 200);
context.translate(100, 100);
context.strokeStyle = "orange";
context.lineWidth = 2;
var R = 36; var r = 8; var d = 15; var t = 0;
var lastx = R + d - r; var lasty = 0;
var id = window.setInterval(function() {
context.beginPath();
context.moveTo(lastx, lasty);
var x = ((R - r) * Math.cos(t)) +
(d * Math.cos(((R - r) / r) * t));
var y = ((R - r) * Math.sin(t)) -
(d * Math.sin(((R - r) / r) * t));
context.lineTo(x, y);
context.stroke();
t += 0.1; lastx = x; lasty = y;
if ((2 * 2 * Math.PI) < (t - 0.1)) {
window.clearInterval(id);
}
}, 50);
var sl = new Image();
sl.onload = function() {
for (i = 0; i < 8; i++) {
context.save();
context.rotate((i / 8) * (2 * Math.PI));
context.globalAlpha = (8 - i) / 4;
context.drawImage(sl, -25, -100, 50, 50);
context.restore();
}
};
sl.src = "Silverlight.png";
}
</script>
<table border="1" cellpadding="5" style="margin-left:auto; margin-right:auto; text-align:center">
<thead>
<tr style="font-weight:bold">
<td style="width:200px">Browser <canvas></td>
<td>Code</td>
<td style="width:200px">Silverlight <canvas></td>
</tr>
</thead>
<tr>
<td>
<canvas id="canvas1b" width="200" height="200" renderMethod="native" onload="runDemo('canvas1b', demo1);">[This browser does not<br />support <canvas>.]</canvas>
</td>
<td style="text-align:left; vertical-align:top">
<pre>
context.fillStyle = "rgb(0, 162, 232)";
context.fillRect(0, 0, 100, 100);
context.save();
context.fillStyle = "rgba(255, 127, 39, 0.8)";
context.fillRect(25, 25, 100, 100);
context.strokeStyle = "rgb(255, 174, 201)";
context.lineWidth = 15;
context.strokeRect(50, 50, 100, 100);
context.restore();
context.beginPath()
context.moveTo(75, 75);
context.lineTo(175, 75);
context.lineTo(75, 175);
context.fill();
var gradient = context
.createLinearGradient(150, 100, 150, 200);
gradient.addColorStop(0/5, "red");
gradient.addColorStop(1/5, "orange");
gradient.addColorStop(2/5, "yellow");
gradient.addColorStop(3/5, "green");
gradient.addColorStop(4/5, "blue");
gradient.addColorStop(5/5, "purple");
context.fillStyle = gradient;
context.fillRect(100, 100, 100, 100);
</pre>
</td>
<td>
<script type="text/javascript">
slcanvas.writeCanvasDiv("canvas1s", 200, 200, function() { runDemo("canvas1s", demo1) });
</script>
</td>
</tr>
<tr>
<td>
<canvas id="canvas2b" width="200" height="200" renderMethod="native" onload="runDemo('canvas2b', demo2);">[This browser does not<br />support <canvas>.]</canvas>
</td>
<td style="text-align:left; vertical-align:top">
<pre>
context.fillRect(0, 0, 200, 200);
context.translate(100, 100);
context.strokeStyle = "orange";
context.lineWidth = 2;
var R = 36; var r = 8; var d = 15; var t = 0;
var lastx = R + d - r; var lasty = 0;
var id = window.setInterval(function() {
context.beginPath();
context.moveTo(lastx, lasty);
var x = ((R - r) * Math.cos(t)) +
(d * Math.cos(((R - r) / r) * t));
var y = ((R - r) * Math.sin(t)) -
(d * Math.sin(((R - r) / r) * t));
context.lineTo(x, y);
context.stroke();
t += 0.1; lastx = x; lasty = y;
if ((2 * 2 * Math.PI) < (t - 0.1)) {
window.clearInterval(id);
}
}, 50);
var sl = new Image();
sl.onload = function() {
for (i = 0; i < 8; i++) {
context.save();
context.rotate((i / 8) * (2 * Math.PI));
context.globalAlpha = (8 - i) / 4;
context.drawImage(sl, -25, -100, 50, 50);
context.restore();
}
};
sl.src = "Silverlight.png";
</pre>
</td>
<td>
<!-- <script type="text/javascript">
slcanvas.writeCanvas("canvas2s", 200, 200, function() { runDemo("canvas2s", demo2); });
</script>-->
<canvas id="canvas2s" renderMethod="silverlight" width="200" height="200" onload="runDemo('canvas2s', demo2)"></canvas>
</td>
</tr>
</table>
</body>
</html>