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content / test / data / gpu / screenshot_sync_canvas.html [blame]
<!DOCTYPE html>
<html>
<head>
<title>Synchronized screenshot test with canvas</title>
<style>
html, body { margin: 0; }
</style>
</head>
<body>
<canvas id="canvas" width="256" height="256" style="position: absolute; left; 0px; top: 0px;"></canvas>
<div id="text"></div>
<script>
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
var text = document.getElementById("text");
function draw(r, g, b) {
var rgb = "RGB(" + r + "," + g + "," + b + ")";
text.textContent = rgb;
ctx.fillStyle = rgb;
ctx.fillRect(0, 0, canvas.width, canvas.height);
}
</script>
</body>
</html>