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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Hello Canvas!</title>
<script src="modernizr-1.6.min.js"></script>
<script type="text/javascript">
window.addEventListener('load', eventWindowLoaded, false);
function eventWindowLoaded() {
canvasApp();
}
function canvasSupport () {
return Modernizr.canvas;
}
function canvasApp(){
if (!canvasSupport()) {
return;
}else{
var theCanvas = document.getElementById('my_first_canvas');
var my_canvas = theCanvas.getContext('2d');
}
drawPicture();
function drawPicture() {
my_canvas.strokeRect(0,0,200,225) // to start, draw a border around the canvas
//draw face
my_canvas.beginPath();
my_canvas.arc(100, 100, 75, (Math.PI/180)*0, (Math.PI/180)*360, false); // circle dimensions
my_canvas.strokeStyle = "black"; // circle outline is black
my_canvas.lineWidth = 3; // outline is three pixels wide
my_canvas.fillStyle = "yellow"; // fill circle with yellow
my_canvas.stroke(); // draw circle
my_canvas.fill(); // fill in circle
my_canvas.closePath();
// now, draw left eye
my_canvas.fillStyle = "black"; // switch to black for the fill
my_canvas.beginPath();
my_canvas.arc(65, 70, 10, (Math.PI/180)*0, (Math.PI/180)*360, false); // circle dimensions
my_canvas.stroke(); // draw circle
my_canvas.fill(); // fill in circle
my_canvas.closePath();
// now, draw right eye
my_canvas.beginPath();
my_canvas.arc(135, 70, 10, (Math.PI/180)*0, (Math.PI/180)*360, false); // circle dimensions
my_canvas.stroke(); // draw circle
my_canvas.fill(); // fill in circle
my_canvas.closePath();
// draw smile
my_canvas.lineWidth = 6; // switch to six pixels wide for outline
my_canvas.beginPath();
my_canvas.arc(99, 120, 35, (Math.PI/180)*0, (Math.PI/180)*-180, false); // semicircle dimensions
my_canvas.stroke();
my_canvas.closePath();
// Smiley Speaks!
my_canvas.fillStyle = "black"; // switch to black for text fill
my_canvas.font = '20px _sans'; // use 20 pixel sans serif font
my_canvas.fillText ("Hello Canvas!", 45, 200); // write text
}
}
</script>
</head>
<body>
<div style="position: absolute; top: 50px; left: 50px;">
<canvas id="my_first_canvas" width="200" height="225">
The content you put here will show up if your rendering engine doesn't support the <canvas> element.
</canvas>
</div>
</body>
</html>