programming-examples/html/Rendering_Techniques/07-gradient-fill-1.html
2019-11-15 12:59:38 +01:00

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HTML

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Gradient Fill 1</title>
<link rel="stylesheet" href="../include/style.css">
</head>
<body>
<header>
Example from <a href="http://amzn.com/1430236655?tag=html5anim-20"><em>Foundation HTML5 Animation with JavaScript</em></a>
</header>
<canvas id="canvas" width="400" height="400"></canvas>
<script>
window.onload = function () {
var canvas = document.getElementById('canvas'),
context = canvas.getContext('2d'),
pt1 = {x: 0, y: 0}, //gradient start point
pt2 = {x: 100, y: 100}, //gradient end point
gradient = context.createLinearGradient(pt1.x, pt1.y, pt2.x, pt2.y);
//white to red
gradient.addColorStop(0, "#ffffff");
gradient.addColorStop(1, "#ff0000");
context.fillStyle = gradient;
context.fillRect(0, 0, 100, 100);
};
</script>
</body>
</html>