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Smiles!

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Dan Buch 2013-02-10 21:59:11 -05:00
parent 6ae3b13cdc
commit 26c1e56b7a
1 changed files with 20 additions and 16 deletions
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36
html5/canvas/mdn-tutorial.html
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@ -9,20 +9,13 @@
</style>
</head>
<body>
<canvas id="tutorial0" width="150" height="150">
hammer down
</canvas>
<canvas id="tutorial1" width="150" height="150">
rabbit ears
</canvas>
<canvas id="tutorial0" width="150" height="150"></canvas>
<canvas id="tutorial1" width="150" height="150"></canvas>
<canvas id="tutorial2" width="150" height="150"></canvas>
<script type="text/javascript">
function draw0() {
var canvas = document.getElementById('tutorial0');
if (!canvas.getContext) {
return;
}
var ctx = document.getElementById('tutorial0').getContext('2d');
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'rgb(200, 0, 0)';
ctx.fillRect(10, 10, 55, 50);
@ -31,20 +24,31 @@
}
function draw1() {
var canvas = document.getElementById('tutorial1');
if (!canvas.getContext) {
return;
}
var ctx = document.getElementById('tutorial1').getContext('2d');
var ctx = canvas.getContext('2d');
ctx.fillRect(25, 25, 100, 100);
ctx.clearRect(45, 45, 60, 60);
ctx.strokeRect(50, 50, 50, 50);
}
function draw2() {
var ctx = document.getElementById('tutorial2').getContext('2d');
ctx.beginPath();
ctx.arc(75, 75, 50, 0, Math.PI*2, true);
ctx.moveTo(110, 75);
ctx.arc(75, 75, 35, 0, Math.PI, false);
ctx.moveTo(65, 65);
ctx.arc(60, 65, 5, 0, Math.PI*2, true);
ctx.moveTo(95, 65);
ctx.arc(90, 65, 5, 0, Math.PI*2, true);
ctx.stroke();
}
window.addEventListener('load', function() {
draw0();
draw1();
draw2();
}, false);
</script>
</body>