// 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());
RefPtrWillBeRawPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image.get(),
IntRect(0, 0, m_image->width(), m_image->height()));
ASSERT_EQ(imageBitmap->bitmapImage().get(), originalImageResource->image());
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 but should no longer hold a reference.
{
ASSERT_NE(imageBitmap->bitmapImage().get(), originalImageResource->image());
RefPtr<SkImage> image1 = imageBitmap->bitmapImage()->imageForCurrentFrame();
ASSERT_NE(image1, nullptr);
RefPtr<SkImage> image2 = originalImageResource->image()->imageForCurrentFrame();
ASSERT_NE(image2, nullptr);
ASSERT_EQ(image1, image2);
}
{
ASSERT_NE(imageBitmap->bitmapImage().get(), newImageResource->image());
RefPtr<SkImage> image1 = imageBitmap->bitmapImage()->imageForCurrentFrame();
ASSERT_NE(image1, nullptr);
RefPtr<SkImage> image2 = newImageResource->image()->imageForCurrentFrame();
ASSERT_NE(image2, nullptr);
ASSERT_NE(image1, image2);
}
}
TEST_F(ImageBitmapTest, ImageResourceConsistency)
{
const ImageBitmapOptions defaultOptions;
RefPtrWillBeRawPtr<HTMLImageElement> imageElement = HTMLImageElement::create(*Document::create().get());
RefPtrWillBeRawPtr<ImageResource> image = ImageResource::create(StaticBitmapImage::create(m_image).get());
imageElement->setImageResource(image.get());
RefPtrWillBeRawPtr<ImageBitmap> imageBitmapNoCrop = ImageBitmap::create(imageElement.get(),
IntRect(0, 0, m_image->width(), m_image->height()),
&(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()), 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()), defaultOptions);
RefPtrWillBeRawPtr<ImageBitmap> imageBitmapOutsideCrop = ImageBitmap::create(imageElement.get(),
IntRect(-m_image->width(), -m_image->height(), m_image->width(), m_image->height()),
&(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 the image resource held by an ImageBitmap is the same as the
// one held by the HTMLImageElement.
TEST_F(ImageBitmapTest, ImageResourceConsistency)
{
RefPtr<HTMLImageElement> imageElement = HTMLImageElement::create(*Document::create().get());
imageElement->setImageResource(new ImageResource(BitmapImage::create(NativeImageSkia::create(m_bitmap)).get()));
RefPtrWillBeRawPtr<ImageBitmap> imageBitmapNoCrop = ImageBitmap::create(imageElement.get(), IntRect(0, 0, m_bitmap.width(), m_bitmap.height()));
RefPtrWillBeRawPtr<ImageBitmap> imageBitmapInteriorCrop = ImageBitmap::create(imageElement.get(), IntRect(m_bitmap.width() / 2, m_bitmap.height() / 2, m_bitmap.width() / 2, m_bitmap.height() / 2));
RefPtrWillBeRawPtr<ImageBitmap> imageBitmapExteriorCrop = ImageBitmap::create(imageElement.get(), IntRect(-m_bitmap.width() / 2, -m_bitmap.height() / 2, m_bitmap.width(), m_bitmap.height()));
RefPtrWillBeRawPtr<ImageBitmap> imageBitmapOutsideCrop = ImageBitmap::create(imageElement.get(), IntRect(-m_bitmap.width(), -m_bitmap.height(), m_bitmap.width(), m_bitmap.height()));
ASSERT_EQ(imageBitmapNoCrop->bitmapImage().get(), imageElement->cachedImage()->image());
ASSERT_EQ(imageBitmapInteriorCrop->bitmapImage().get(), imageElement->cachedImage()->image());
ASSERT_EQ(imageBitmapExteriorCrop->bitmapImage().get(), imageElement->cachedImage()->image());
RefPtr<Image> emptyImage = imageBitmapOutsideCrop->bitmapImage();
ASSERT_NE(emptyImage.get(), imageElement->cachedImage()->image());
}
// Verifies that ImageBitmaps constructed from HTMLImageElements hold a reference to the original Image if the HTMLImageElement src is changed.
TEST_F(ImageBitmapTest, ImageBitmapSourceChanged)
{
RefPtr<HTMLImageElement> image = HTMLImageElement::create(*Document::create().get());
ResourcePtr<ImageResource> originalImageResource = new ImageResource(BitmapImage::create(NativeImageSkia::create(m_bitmap)).get());
image->setImageResource(originalImageResource.get());
RefPtrWillBeRawPtr<ImageBitmap> imageBitmap = ImageBitmap::create(image.get(), IntRect(0, 0, m_bitmap.width(), m_bitmap.height()));
ASSERT_EQ(imageBitmap->bitmapImage().get(), originalImageResource->image());
ResourcePtr<ImageResource> newImageResource = new ImageResource(BitmapImage::create(NativeImageSkia::create(m_bitmap2)).get());
image->setImageResource(newImageResource.get());
// The ImageBitmap should contain the same data as the original cached image but should no longer hold a reference.
ASSERT_NE(imageBitmap->bitmapImage().get(), originalImageResource->image());
ASSERT_EQ(imageBitmap->bitmapImage()->nativeImageForCurrentFrame()->bitmap().pixelRef()->pixels(),
originalImageResource->image()->nativeImageForCurrentFrame()->bitmap().pixelRef()->pixels());
ASSERT_NE(imageBitmap->bitmapImage().get(), newImageResource->image());
ASSERT_NE(imageBitmap->bitmapImage()->nativeImageForCurrentFrame()->bitmap().pixelRef()->pixels(),
newImageResource->image()->nativeImageForCurrentFrame()->bitmap().pixelRef()->pixels());
}
