Index: third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/bitmaprenderer-as-imagesource.html |
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/bitmaprenderer-as-imagesource.html b/third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/bitmaprenderer-as-imagesource.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4a22799ca0dde50fb43a51629889664746a03a41 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/bitmaprenderer-as-imagesource.html |
@@ -0,0 +1,114 @@ |
+<!DOCTYPE html> |
+<script src="../../../resources/testharness.js"></script> |
+<script src="../../../resources/testharnessreport.js"></script> |
+<script> |
+var width = 10; |
+var height = 10; |
+ |
+function testCanvas(ctx, x, y, r, g, b, a) |
+{ |
+ var color = ctx.getImageData(x, y, 1, 1).data; |
+ assert_array_equals(color, [r, g, b, a]); |
+} |
+ |
+ |
+function consumeImageBitmap(image, t) |
+{ |
+ var myCanvas = document.createElement('canvas'); |
+ myCanvas.width = myCanvas.height = 20; |
+ var myCtx = myCanvas.getContext('bitmaprenderer'); |
+ myCtx.transferFromImageBitmap(image); |
+ |
+ var dstCanvas = document.createElement('canvas'); |
+ dstCanvas.width = dstCanvas.height = 20; |
+ var dstCtx = dstCanvas.getContext('2d'); |
+ dstCtx.clearRect(0, 0, 20, 20); |
+ dstCtx.drawImage(myCanvas, 0, 0); |
+ testCanvas(dstCtx, 5, 5, 0, 255, 0, 255); |
+ testCanvas(dstCtx, 15, 15, 0, 0, 0, 0); |
+ t.done(); |
+} |
+ |
+function consumeImageBitmapByCreateImageBitmap(image, t) |
+{ |
+ var myCanvas = document.createElement('canvas'); |
+ myCanvas.width = myCanvas.height = 20; |
+ var myCtx = myCanvas.getContext('bitmaprenderer'); |
+ myCtx.transferFromImageBitmap(image); |
+ |
+ createImageBitmap(myCanvas).then(t.step_func_done(function(imageBitmap) { |
+ assert_equals(imageBitmap.width, width); |
+ assert_equals(imageBitmap.height, height); |
+ |
+ var dstCanvas = document.createElement('canvas'); |
+ dstCanvas.width = dstCanvas.height = 20; |
+ var dstCtx = dstCanvas.getContext('2d'); |
+ dstCtx.clearRect(0, 0, 20, 20); |
+ dstCtx.drawImage(imageBitmap, 0, 0); |
+ testCanvas(dstCtx, 5, 5, 0, 255, 0, 255); |
+ testCanvas(dstCtx, 15, 15, 0, 0, 0, 0); |
+ })); |
+} |
+ |
+async_test(function(t) { |
+ var canvas = document.createElement("canvas"); |
+ canvas.width = width; |
+ canvas.height = height; |
+ var ctx = canvas.getContext('2d'); |
+ ctx.fillStyle = '#0f0'; |
+ ctx.fillRect(0, 0, width, height); |
+ createImageBitmap(canvas).then(t.step_func(function(image) { |
+ consumeImageBitmap(image, t); |
+ })); |
+}, 'Test that drawImage from a bitmaprenderer canvas produces correct result'); |
+ |
+async_test(function(t) { |
+ var canvas = document.createElement("canvas"); |
+ canvas.width = width; |
+ canvas.height = height; |
+ var ctx = canvas.getContext('2d'); |
+ ctx.fillStyle = '#0f0'; |
+ ctx.fillRect(0, 0, width, height); |
+ createImageBitmap(canvas).then(t.step_func(function(image) { |
+ consumeImageBitmapByCreateImageBitmap(image, t); |
+ })); |
+}, 'Test that createImageBitmap from a bitmaprenderer canvas produces correct result'); |
+ |
+async_test(function(t) { |
+ var canvas = document.createElement("canvas"); |
+ canvas.width = width; |
+ canvas.height = height; |
+ var ctx = canvas.getContext('bitmaprenderer'); |
+ createImageBitmap(canvas).then(t.step_func_done(function(image) { |
+ assert_equals(image.width, width); |
+ assert_equals(image.height, height); |
+ |
+ var dstCanvas = document.createElement('canvas'); |
+ dstCanvas.width = width; |
+ dstCanvas.height = height; |
+ var dstCtx = dstCanvas.getContext('2d'); |
+ dstCtx.drawImage(canvas, 0, 0); |
+ testCanvas(dstCtx, 5, 5, 0, 0, 0, 0); |
+ })); |
+}, 'Test that createImageBitmap on a bitmaprenderer canvas that never consumes any source produces correct result'); |
+ |
+ |
+async_test(function(t) { |
+ var canvas = document.createElement("canvas"); |
+ canvas.width = width; |
+ canvas.height = height; |
+ var ctx = canvas.getContext('bitmaprenderer'); |
+ ctx.transferFromImageBitmap(null); |
+ createImageBitmap(canvas).then(t.step_func_done(function(image) { |
+ assert_equals(image.width, width); |
+ assert_equals(image.height, height); |
+ |
+ var dstCanvas = document.createElement('canvas'); |
+ dstCanvas.width = width; |
+ dstCanvas.height = height; |
+ var dstCtx = dstCanvas.getContext('2d'); |
+ dstCtx.drawImage(canvas, 0, 0); |
+ testCanvas(dstCtx, 5, 5, 0, 0, 0, 0); |
+ })); |
+}, 'Test that createImageBitmap on a bitmaprenderer canvas that consumes null produces correct result'); |
+</script> |