Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html |
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html |
index f95053c8ab9fc183b9881478d8e17ea05f17c0f1..8737bcb327d8b1aa487ee7d3153240425d34c01b 100644 |
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html |
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html |
@@ -1,9 +1,113 @@ |
-<!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-scale-drawImage-shadow.js"></script> |
+<script> |
+// Ensure correct behavior of canvas with drawImage+shadow after scaling. A blue and red checkered pattern should be displayed. |
+ |
+// Create auxiliary canvas to draw to and create an image from. |
+// This is done instead of simply loading an image from the file system |
+// because that would throw a SECURITY_ERR DOM Exception. |
+var aCanvas = document.createElement('canvas'); |
+aCanvas.width = aCanvas.height = 10; |
+var aCtx = aCanvas.getContext('2d'); |
+aCtx.fillStyle = 'rgba(0, 0, 255, 1)'; |
+aCtx.fillRect(0, 0, 50, 50); |
+ |
+// Create the image object to be drawn on the master canvas. |
+var img = new Image(); |
+img.onload = drawImageToCanvasAndCheckPixels; |
+img.src = aCanvas.toDataURL(); // set a data URI of the base64 encoded image as the source |
+ |
+aCanvas.width = 10; |
+aCtx.fillStyle = 'rgba(0, 0, 255, 0.5)'; |
+aCtx.fillRect(0, 0, 50, 50); |
+// Create the image object to be drawn on the master canvas. |
+var transparentImg = new Image(); |
+transparentImg.onload = drawImageToCanvasAndCheckPixels; |
+transparentImg.src = aCanvas.toDataURL(); // set a data URI of the base64 encoded image as the source |
+ |
+// Create master canvas. |
+var canvas = document.createElement('canvas'); |
+document.body.appendChild(canvas); |
+canvas.width = 150; |
+canvas.height = 110; |
+var ctx = canvas.getContext('2d'); |
+ |
+function testPixelShadow(x, y, color) |
+{ |
+ assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color); |
+} |
+ |
+function testPixelShadowAlpha(x, y, color) |
+{ |
+ 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], 10); |
+} |
+ |
+var testPixelShadowScenarios = [ |
+ ['Verify solid shadow 1', 40, 40, [255, 0, 0, 255]], |
+ ['Verify solid shadow 2', 59, 59, [255, 0, 0, 255]], |
+]; |
+ |
+var testPixelShadowAlphaScenarios = [ |
+ ['Verify solid alpha shadow 1', 41, 81, [255, 0, 0, 76]], |
+ ['Verify solid alpha shadow 2', 59, 99, [255, 0, 0, 76]], |
+ |
+ ['Verify blurry shadow 1', 90, 39, [255, 0, 0, 114]], |
+ ['Verify blurry shadow 2', 90, 60, [255, 0, 0, 114]], |
+ ['Verify blurry shadow 3', 79, 50, [255, 0, 0, 114]], |
+ ['Verify blurry shadow 4', 100, 50, [255, 0, 0, 114]], |
+ |
+ ['Verify blurry alpha shadow 1', 90, 79, [255, 0, 0, 34]], |
+ ['Verify blurry alpha shadow 2', 90, 100, [255, 0, 0, 34]], |
+ ['Verify blurry alpha shadow 3', 79, 90, [255, 0, 0, 34]], |
+ ['Verify blurry alpha shadow 4', 100, 90, [255, 0, 0, 34]], |
+ |
+ ['Verify blurry shadow of image with alpha 1', 130, 39, [255, 0, 0, 57]], |
+ ['Verify blurry shadow of image with alpha 2', 130, 60, [255, 0, 0, 57]], |
+ ['Verify blurry shadow of image with alpha 3', 119, 50, [255, 0, 0, 57]], |
+ ['Verify blurry shadow of image with alpha 4', 140, 50, [255, 0, 0, 57]], |
+ |
+ ['Verify blurry alpha shadow of image with alpha 1', 130, 79, [255, 0, 0, 17]], |
+ ['Verify blurry alpha shadow of image with alpha 2', 130, 100, [255, 0, 0, 17]], |
+ ['Verify blurry alpha shadow of image with alpha 3', 119, 90, [255, 0, 0, 17]], |
+ ['Verify blurry alpha shadow of image with alpha 4', 140, 90, [255, 0, 0, 17]], |
+]; |
+ |
+var imagesLoaded = 0; |
+function drawImageToCanvasAndCheckPixels() { |
Justin Novosad
2017/02/16 15:59:28
it is a bit weird that you have to onload handlers
zakerinasab
2017/02/16 20:11:28
generate_tests replaced with loops in an async_tes
|
+ imagesLoaded = imagesLoaded + 1; |
+ if (imagesLoaded == 2) { |
+ ctx.scale(2, 2); |
+ ctx.shadowOffsetX = 20; |
+ ctx.shadowOffsetY = 20; |
+ ctx.fillStyle = 'rgba(0, 0, 255, 1)'; |
+ |
+ ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
+ ctx.drawImage(img, 10, 10); |
+ |
+ ctx.shadowColor = 'rgba(255, 0, 0, 0.3)'; |
+ ctx.drawImage(img, 10, 30); |
+ |
+ ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
+ ctx.shadowBlur = 10; |
+ ctx.drawImage(img, 30, 10); |
+ |
+ ctx.shadowColor = 'rgba(255, 0, 0, 0.3)'; |
+ ctx.drawImage(img, 30, 30); |
+ |
+ ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
+ ctx.drawImage(transparentImg, 50, 10); |
+ |
+ ctx.shadowColor = 'rgba(255, 0, 0, 0.3)'; |
+ ctx.drawImage(transparentImg, 50, 30); |
+ |
+ generate_tests(testPixelShadow, testPixelShadowScenarios); |
+ generate_tests(testPixelShadowAlpha, testPixelShadowAlphaScenarios); |
+ |
+ } |
+} |
+ |
+</script> |
</body> |
-</html> |