Tuesday, March 6, 2012
Sample HTML 5 Canvas program
<!--<!doctype html>
<html lang="en">
<head>
<title>Title of This Web Page</title>
<meta name="description" content="Description of the content of this web page." />
<script type="text/javascript">
window.onload = draw;
function draw()
{
var canvas = document.getElementById("example");
var context = canvas.getContext('2d');
context.translate(canvas.width / 2, canvas.height / 2);
context.scale(1, 0.2);
context.fillStyle = 'blue';
context.fillRect(-75, -75, 50, 50);
// var img = canvas.toDataURL("image/png");
// document.write('<img src="' + img + '"/>');
}
</script>
</head>
<body>
<p>
My first web page.
</p>
<canvas id="example" width="500px" height="500px">This text is displayed if your browser
does not support HTML5 Canvas.</canvas>
</body>
</html>-->
<!doctype html>
<html>
<head>
<meta charset="UTF-8" />
<title>Canvas Test</title>
</head>
<body>
<header> </header>
<nav> </nav>
<section>
<div>
<canvas id="canvas" width="320" height="500">
This text is displayed if your browser
does not support HTML5 Canvas.
</canvas>
</div>
<script type="text/javascript">
var canvas;
var ctx;
function init() {
canvas = document.getElementById("canvas");
ctx = canvas.getContext("2d");
draw();
}
function draw() {
ctx.fillStyle = '#FA6900';
ctx.shadowOffsetX = 5;
ctx.shadowOffsetY = 5;
ctx.shadowBlur = 4;
ctx.shadowColor = 'rgba(204, 204, 204, 0.5)';
ctx.fillRect(0, 0, 15, 150);
ctx.save();
ctx.fillStyle = '#E0E4CD';
ctx.shadowOffsetX = 10;
ctx.shadowOffsetY = 10;
ctx.shadowBlur = 4;
ctx.shadowColor = 'rgba(204, 204, 204, 0.5)';
ctx.fillRect(30, 0, 30, 150);
ctx.save();
ctx.fillStyle = '#A7DBD7';
ctx.shadowOffsetX = 15;
ctx.shadowOffsetY = 15;
ctx.shadowBlur = 4;
ctx.shadowColor = 'rgba(204, 204, 204, 0.5)';
ctx.fillRect(90, 0, 45, 150);
ctx.save();
ctx.restore();
ctx.beginPath();
ctx.arc(185, 75, 22, 0, Math.PI * 2, true);
ctx.closePath();
ctx.fill();
ctx.restore();
ctx.beginPath();
ctx.arc(260, 75, 15, 0, Math.PI * 2, true);
ctx.closePath();
ctx.fill();
ctx.restore();
ctx.beginPath();
ctx.arc(305, 75, 8, 0, Math.PI * 2, true);
ctx.closePath();
ctx.fill();
ctx.strokeStyle = '#330077';
ctx.strokeRect(0, 250, 150, 50);
}
init();
</script>
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