| Index: third_party/WebKit/ManualTests/canvas-ClearRect-hidpi.html
|
| diff --git a/third_party/WebKit/ManualTests/canvas-ClearRect-hidpi.html b/third_party/WebKit/ManualTests/canvas-ClearRect-hidpi.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..52195a704173bc3d246cb2364d3039cd0b81e902
|
| --- /dev/null
|
| +++ b/third_party/WebKit/ManualTests/canvas-ClearRect-hidpi.html
|
| @@ -0,0 +1,31 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<p>
|
| +Test for crbug.com/609820. When running this test on Mac with retina display,
|
| +the result should be a clear canvas with no artifact after a few seconds.
|
| +</p>
|
| +<canvas id='output' width='300' height='250'></canvas>
|
| +<script>
|
| +var repeat = 350;
|
| +var x = y = 0;
|
| +var canvas = document.getElementById("output");
|
| +var ctx = canvas.getContext('2d');
|
| +ctx.fillStyle = "#FF0000";
|
| +
|
| +requestAnimationFrame(animate);
|
| +
|
| +function animate()
|
| +{
|
| + ctx.clearRect(x, y, 50, 50);
|
| + x++;
|
| + y++;
|
| + ctx.fillRect(x, y, 50, 50);
|
| + repeat--;
|
| + if (repeat > 0)
|
| + requestAnimationFrame(animate);
|
| +}
|
| +</script>
|
| +</body>
|
| +</html>
|
| +
|
|
|
Chromium Code Reviews
Issue 1983863002:
Inflate dirty rect by 1 pixel on a high DPI display (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master