| Index: LayoutTests/fast/canvas/canvas-toDataURL-png-compression.html
|
| diff --git a/LayoutTests/fast/canvas/canvas-toDataURL-png-compression.html b/LayoutTests/fast/canvas/canvas-toDataURL-png-compression.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..83fd7430c8bcecb0e7746d6383cfe6d478547095
|
| --- /dev/null
|
| +++ b/LayoutTests/fast/canvas/canvas-toDataURL-png-compression.html
|
| @@ -0,0 +1,38 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<pre id="result"></pre>
|
| +<canvas id="canvas" width="100" height="50"></canvas>
|
| +<script>
|
| +if (window.testRunner)
|
| + testRunner.dumpAsText();
|
| +
|
| +var canvas = document.getElementById('canvas');
|
| +var ctx = canvas.getContext("2d");
|
| +for (var i = 0; i < 30; i += 5) {
|
| + ctx.fillStyle = 'rgba(1, 3, 254, 1)';
|
| + ctx.fillRect( 0 + i, i, 25, 25);
|
| + ctx.fillStyle = 'rgba(8, 252, 248, 0.75)';
|
| + ctx.fillRect(25 + i, i, 25, 25);
|
| + ctx.fillStyle = 'rgba(6, 10, 250, 0.502)';
|
| + ctx.fillRect(50 - i, i, 25, 25);
|
| + ctx.fillRect(50 + i, i, 25, 25);
|
| + ctx.fillStyle = 'rgba(12, 16, 244, 0.25)';
|
| + ctx.fillRect(75 - i, i, 25, 25);
|
| + ctx.fillRect(75 + i, i, 25, 25);
|
| +}
|
| +
|
| +function dataURLLength(compression) {
|
| + var length = canvas.toDataURL("image/png", compression).length;
|
| + result.textContent += compression.toFixed(1) + ' ';
|
| + result.textContent += 'toDataURL image/png length ' + length + '\n';
|
| + return length;
|
| +}
|
| +
|
| +var length3 = dataURLLength(0.3);
|
| +var length9 = dataURLLength(0.9);
|
| +
|
| +result.textContent += (length9 < length3 * 0.7) ? "\nPASS" : "\nFAIL";
|
| +</script>
|
| +</body>
|
| +<html>
|
|
|
Chromium Code Reviews
Issue 290893002:
[wip] Add canvas.toDataURL("image/png") compression control
Base URL: svn://svn.chromium.org/blink/trunk