chromium/src/third_party/blink/web_tests/external/wpt/css/css-backgrounds/hidpi/simple-bg-color-ref.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <body>
   <canvas id="canvas" width="400" height="800"></canvas>
 </body>
 <script>
   var canvas = document.getElementById('canvas');
   canvas.style.width = (canvas.width / 2) + 'px';
   canvas.style.height = (canvas.height / 2) + 'px';
   var ctx = canvas.getContext('2d');
   ctx.scale(2, 2);
   ctx.fillStyle = 'green';
   ctx.fillRect(0, 0, 100, 150);
   ctx.fillStyle = 'red';
   ctx.fillRect(0, 150, 200, 250);
 </script>
	<!DOCTYPE html>
	<body>
	<canvas id="canvas" width="400" height="800"></canvas>
	</body>
	<script>
	var canvas = document.getElementById('canvas');
	canvas.style.width = (canvas.width / 2) + 'px';
	canvas.style.height = (canvas.height / 2) + 'px';
	var ctx = canvas.getContext('2d');
	ctx.scale(2, 2);
	ctx.fillStyle = 'green';
	ctx.fillRect(0, 0, 100, 150);
	ctx.fillStyle = 'red';
	ctx.fillRect(0, 150, 200, 250);
	</script>