| 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..1e854e20a1b6b810755c87dbe7ad08c79025e05b 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 +1,125 @@
|
| -<!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>
|
| +async_test(t => {
|
| + // 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() {
|
| + 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);
|
| +
|
| + t.step(runTests);
|
| + t.done();
|
| +
|
| + }
|
| + }
|
| +
|
| + function runTests() {
|
| + for (var i = 0; i < testPixelShadowScenarios.length; i++)
|
| + testPixelShadow(testPixelShadowScenarios[i][1],
|
| + testPixelShadowScenarios[i][2],
|
| + testPixelShadowScenarios[i][3]);
|
| +
|
| + for (var i = 0; i < testPixelShadowAlphaScenarios.length; i++)
|
| + testPixelShadowAlpha(testPixelShadowAlphaScenarios[i][1],
|
| + testPixelShadowAlphaScenarios[i][2],
|
| + testPixelShadowAlphaScenarios[i][3]);
|
| + }
|
| +
|
| +}, 'Ensure correct behavior of canvas with drawImage+shadow after scaling. A blue and red checkered pattern should be displayed.');
|
| +</script>
|
| </body>
|
| -</html>
|
|
|