Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow.html |
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow.html |
index 6a953be9d919fc95330950628ba19fb74782e510..0925f2c2eee53f876fc6444be08696698e7d8ebd 100644 |
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow.html |
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-transforms-fillRect-shadow.html |
@@ -1,9 +1,67 @@ |
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
-<html> |
-<head> |
-<script src="../../resources/js-test.js"></script> |
-</head> |
+<script src="../../resources/testharness.js"></script> |
+<script src="../../resources/testharnessreport.js"></script> |
<body> |
-<script src="script-tests/canvas-transforms-fillRect-shadow.js"></script> |
+<script> |
+// Ensure correct behavior of canvas with fillRect+shadow after translation+rotation+scaling. A blue and red checkered pattern should be displayed. |
+ |
+var canvas = document.createElement('canvas'); |
+document.body.appendChild(canvas); |
+canvas.setAttribute('width', '600'); |
+canvas.setAttribute('height', '600'); |
+var ctx = canvas.getContext('2d'); |
+ |
+ctx.fillStyle = 'rgba(0, 0, 255, 1.0)'; |
+ctx.shadowOffsetX = 100; |
+ctx.shadowOffsetY = 100; |
+ |
+ctx.translate(-100, -100); |
+ctx.rotate(Math.PI/2); |
+ctx.scale(2, 2); |
+ |
+ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
+ctx.fillRect(100, -150, 50, 50); |
+ |
+ctx.shadowColor = 'rgba(255, 0, 0, 0.5)'; |
+ctx.fillRect(200, -150, 50, 50); |
+ |
+ctx.shadowBlur = 5; |
+ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
+ctx.fillRect(100, -250, 50, 50); |
+ |
+ctx.shadowColor = 'rgba(255, 0, 0, 0.5)'; |
+ctx.fillRect(200, -250, 50, 50); |
+ |
+function testPixelShadowBlur(x, y, color) |
+{ |
+ if (color.length == 4) { |
+ assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color); |
+ } else { // we expect to have [r, g, b, a, alphaTolerance] |
+ var data = ctx.getImageData(x, y, 1, 1).data; |
+ assert_array_equals(data.slice(0,3), color.slice(0,3)); |
+ assert_approx_equals(data[3], color[3], color[4]); |
+ } |
+} |
+ |
+var alphaTolerance = 20; |
+var testPixelShadowScenarios = [ |
+ ['Verify solid shadow 1', 201, 205, [255, 0, 0, 255]], |
+ ['Verify solid shadow 2', 298, 298, [255, 0, 0, 255]], |
+ ['Verify solid shadow 3', 201, 298, [255, 0, 0, 255]], |
+ |
+ ['Verify solid alpha shadow 1', 201, 401, [255, 0, 0, 127, alphaTolerance]], |
+ ['Verify solid alpha shadow 2', 298, 450, [255, 0, 0, 127, alphaTolerance]], |
+ ['Verify solid alpha shadow 3', 205, 498, [255, 0, 0, 127, alphaTolerance]], |
+ |
+ ['Verify blurry shadow 1', 399, 205, [255, 0, 0, 106, alphaTolerance]], |
+ ['Verify blurry shadow 2', 500, 205, [255, 0, 0, 106, alphaTolerance]], |
+ ['Verify blurry shadow 3', 499, 299, [255, 0, 0, 83, alphaTolerance]], |
+ |
+ ['Verify blurry alpha shadow 1', 398, 405, [255, 0, 0, 36, alphaTolerance]], |
+ ['Verify blurry alpha shadow 2', 405, 501, [255, 0, 0, 36, alphaTolerance]], |
+ ['Verify blurry alpha shadow 3', 405, 501, [255, 0, 0, 36, alphaTolerance]], |
+]; |
+ |
+generate_tests(testPixelShadowBlur, testPixelShadowScenarios); |
+ |
+</script> |
</body> |
-</html> |