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<!DOCTYPE html>
<html>
<head>
<style type="text/css">
.container {
width: 60px;
height: 60px;
}
#canvas-simple {
/* No box decorations or background image. */
/* Solid color background only. */
background-color: green;
}
</style>
<script>
function drawCanvas(canvasID) {
var canvas = document.getElementById(canvasID);
var context = canvas.getContext("2d");
// Fill NW quadrant with opaque blue.
context.fillStyle = "#0000FF";
context.fillRect(0, 0, canvas.width / 2, canvas.height / 2);
};
function doTest() {
// Simple background can be direct-composited with content-layer.
// The container GraphicsLayer does not paint anything.
drawCanvas('canvas-simple');
};
window.addEventListener('load', doTest, false);
</script>
</head>
<body>
<div class="container">
<canvas id="canvas-simple" width="50" height="50"></canvas>
</div>
</body>
</html>
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