Implement ImageBitmap options premultiplyAlpha

third_party/WebKit/Source/core/frame/ImageBitmapTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 63 matching lines @@
 
         replaceMemoryCacheForTesting(m_globalMemoryCache.release());
     }
 
     RefPtr<SkImage> m_image, m_image2;
     Persistent<MemoryCache> m_globalMemoryCache;
 };
 
 TEST_F(ImageBitmapTest, ImageResourceConsistency)
 {
+    const ImageBitmapOptions defaultOptions;
     RefPtrWillBeRawPtr<HTMLImageElement> imageElement = HTMLImageElement::create(*Document::create().get());
     imageElement->setImageResource(new ImageResource(StaticBitmapImage::create(m_image).get()));
 
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmapNoCrop = ImageBitmap::create(imageElement.get(),
         IntRect(0, 0, m_image->width(), m_image->height()),
-        &(imageElement->document()));
+        &(imageElement->document()), defaultOptions);
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmapInteriorCrop = ImageBitmap::create(imageElement.get(),
         IntRect(m_image->width() / 2, m_image->height() / 2, m_image->width() / 2, m_image->height() / 2),
-        &(imageElement->document()));
+        &(imageElement->document()), defaultOptions);
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmapExteriorCrop = ImageBitmap::create(imageElement.get(),
         IntRect(-m_image->width() / 2, -m_image->height() / 2, m_image->width(), m_image->height()),
-        &(imageElement->document()));
+        &(imageElement->document()), defaultOptions);
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmapOutsideCrop = ImageBitmap::create(imageElement.get(),
         IntRect(-m_image->width(), -m_image->height(), m_image->width(), m_image->height()),
-        &(imageElement->document()));
+        &(imageElement->document()), defaultOptions);
 
     ASSERT_EQ(imageBitmapNoCrop->bitmapImage()->imageForCurrentFrame(), imageElement->cachedImage()->image()->imageForCurrentFrame());
     ASSERT_NE(imageBitmapInteriorCrop->bitmapImage()->imageForCurrentFrame(), imageElement->cachedImage()->image()->imageForCurrentFrame());
     ASSERT_NE(imageBitmapExteriorCrop->bitmapImage()->imageForCurrentFrame(), imageElement->cachedImage()->image()->imageForCurrentFrame());
 
     StaticBitmapImage* emptyImage = imageBitmapOutsideCrop->bitmapImage();
     ASSERT_NE(emptyImage->imageForCurrentFrame(), imageElement->cachedImage()->image()->imageForCurrentFrame());
 }
 
 // Verifies that HTMLImageElements are given an elevated CacheLiveResourcePriority when used to construct an ImageBitmap.
@@ skipping 33 matching lines @@
     memoryCache()->updateDecodedResource(cachedImageInteriorCrop.get(), UpdateForPropertyChange);
     memoryCache()->updateDecodedResource(cachedImageExteriorCrop.get(), UpdateForPropertyChange);
     memoryCache()->updateDecodedResource(cachedImageOutsideCrop.get(), UpdateForPropertyChange);
 
     // HTMLImageElements should default to CacheLiveResourcePriorityLow.
     ASSERT_EQ(memoryCache()->priority(imageNoCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     ASSERT_EQ(memoryCache()->priority(imageInteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     ASSERT_EQ(memoryCache()->priority(imageExteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     ASSERT_EQ(memoryCache()->priority(imageOutsideCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
 
+    const ImageBitmapOptions defaultOptions;
     RefPtrWillBePersistent<ImageBitmap> imageBitmapInteriorCrop = ImageBitmap::create(imageInteriorCrop.get(),
         IntRect(m_image->width() / 2, m_image->height() / 2, m_image->width(), m_image->height()),
-        &(imageInteriorCrop->document()));
+        &(imageInteriorCrop->document()), defaultOptions);
     {
         RefPtrWillBePersistent<ImageBitmap> imageBitmapNoCrop = ImageBitmap::create(imageNoCrop.get(),
             IntRect(0, 0, m_image->width(), m_image->height()),
-            &(imageNoCrop->document()));
+            &(imageNoCrop->document()), defaultOptions);
         RefPtrWillBePersistent<ImageBitmap> imageBitmapInteriorCrop2 = ImageBitmap::create(imageInteriorCrop.get(),
             IntRect(m_image->width() / 2, m_image->height() / 2, m_image->width(), m_image->height()),
-            &(imageInteriorCrop->document()));
+            &(imageInteriorCrop->document()), defaultOptions);
         RefPtrWillBePersistent<ImageBitmap> imageBitmapExteriorCrop = ImageBitmap::create(imageExteriorCrop.get(),
             IntRect(-m_image->width() / 2, -m_image->height() / 2, m_image->width(), m_image->height()),
-            &(imageExteriorCrop->document()));
+            &(imageExteriorCrop->document()), defaultOptions);
         RefPtrWillBePersistent<ImageBitmap> imageBitmapOutsideCrop = ImageBitmap::create(imageOutsideCrop.get(),
             IntRect(-m_image->width(), -m_image->height(), m_image->width(), m_image->height()),
-            &(imageOutsideCrop->document()));
+            &(imageOutsideCrop->document()), defaultOptions);
 
         // Images are not referenced by ImageBitmap anymore, so always CacheLiveResourcePriorityLow
         ASSERT_EQ(memoryCache()->priority(imageNoCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
         ASSERT_EQ(memoryCache()->priority(imageInteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
         ASSERT_EQ(memoryCache()->priority(imageExteriorCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
 
         // ImageBitmaps that do not contain any of the source image do not elevate CacheLiveResourcePriority.
         ASSERT_EQ(memoryCache()->priority(imageOutsideCrop->cachedImage()), MemoryCacheLiveResourcePriorityLow);
     }
     // Force a garbage collection to sweep out the local ImageBitmaps.
@@ skipping 10 matching lines @@
 }
 
 // Verifies that ImageBitmaps constructed from HTMLImageElements hold a reference to the original Image if the HTMLImageElement src is changed.
 TEST_F(ImageBitmapTest, ImageBitmapSourceChanged)
 {
     RefPtrWillBeRawPtr<HTMLImageElement> image = HTMLImageElement::create(*Document::create().get());
     ResourcePtr<ImageResource> originalImageResource = new ImageResource(
         StaticBitmapImage::create(m_image).get());
     image->setImageResource(originalImageResource.get());
 
+    const ImageBitmapOptions defaultOptions;
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image.get(),
         IntRect(0, 0, m_image->width(), m_image->height()),
-        &(image->document()));
+        &(image->document()), defaultOptions);
     ASSERT_EQ(imageBitmap->bitmapImage()->imageForCurrentFrame(), originalImageResource->image()->imageForCurrentFrame());
 
     ResourcePtr<ImageResource> newImageResource = new ImageResource(
         StaticBitmapImage::create(m_image2).get());
     image->setImageResource(newImageResource.get());
 
     // The ImageBitmap should contain the same data as the original cached image
     {
         ASSERT_EQ(imageBitmap->bitmapImage()->imageForCurrentFrame(), originalImageResource->image()->imageForCurrentFrame());
         SkImage* image1 = imageBitmap->bitmapImage()->imageForCurrentFrame().get();
         ASSERT_NE(image1, nullptr);
         SkImage* image2 = originalImageResource->image()->imageForCurrentFrame().get();
         ASSERT_NE(image2, nullptr);
         ASSERT_EQ(image1, image2);
     }
 
     {
         ASSERT_NE(imageBitmap->bitmapImage()->imageForCurrentFrame(), newImageResource->image()->imageForCurrentFrame());
         SkImage* image1 = imageBitmap->bitmapImage()->imageForCurrentFrame().get();
         ASSERT_NE(image1, nullptr);
         SkImage* image2 = newImageResource->image()->imageForCurrentFrame().get();
         ASSERT_NE(image2, nullptr);
         ASSERT_NE(image1, image2);
     }
 }
 
 } // namespace blink