TEST_F(ImageBitmapTest, ImageResourceConsistency)
{
const ImageBitmapOptions defaultOptions;
HTMLImageElement* imageElement = HTMLImageElement::create(*Document::create());
ImageResource* image = ImageResource::create(StaticBitmapImage::create(m_image).get());
imageElement->setImageResource(image);
ImageBitmap* imageBitmapNoCrop = ImageBitmap::create(imageElement,
IntRect(0, 0, m_image->width(), m_image->height()),
&(imageElement->document()), defaultOptions);
ImageBitmap* imageBitmapInteriorCrop = ImageBitmap::create(imageElement,
IntRect(m_image->width() / 2, m_image->height() / 2, m_image->width() / 2, m_image->height() / 2),
&(imageElement->document()), defaultOptions);
ImageBitmap* imageBitmapExteriorCrop = ImageBitmap::create(imageElement,
IntRect(-m_image->width() / 2, -m_image->height() / 2, m_image->width(), m_image->height()),
&(imageElement->document()), defaultOptions);
ImageBitmap* imageBitmapOutsideCrop = ImageBitmap::create(imageElement,
IntRect(-m_image->width(), -m_image->height(), m_image->width(), m_image->height()),
&(imageElement->document()), defaultOptions);
ASSERT_EQ(imageBitmapNoCrop->bitmapImage()->imageForCurrentFrame(), imageElement->cachedImage()->getImage()->imageForCurrentFrame());
ASSERT_NE(imageBitmapInteriorCrop->bitmapImage()->imageForCurrentFrame(), imageElement->cachedImage()->getImage()->imageForCurrentFrame());
ASSERT_NE(imageBitmapExteriorCrop->bitmapImage()->imageForCurrentFrame(), imageElement->cachedImage()->getImage()->imageForCurrentFrame());
StaticBitmapImage* emptyImage = imageBitmapOutsideCrop->bitmapImage();
ASSERT_NE(emptyImage->imageForCurrentFrame(), imageElement->cachedImage()->getImage()->imageForCurrentFrame());
}
// Verifies that ImageBitmaps constructed from HTMLImageElements hold a reference to the original Image if the HTMLImageElement src is changed.
TEST_F(ImageBitmapTest, ImageBitmapSourceChanged)
{
HTMLImageElement* image = HTMLImageElement::create(*Document::create());
ImageResource* originalImageResource = ImageResource::create(
StaticBitmapImage::create(m_image).get());
image->setImageResource(originalImageResource);
const ImageBitmapOptions defaultOptions;
ImageBitmap* imageBitmap = ImageBitmap::create(image,
IntRect(0, 0, m_image->width(), m_image->height()),
&(image->document()), defaultOptions);
ASSERT_EQ(imageBitmap->bitmapImage()->imageForCurrentFrame(), originalImageResource->getImage()->imageForCurrentFrame());
ImageResource* newImageResource = ImageResource::create(
StaticBitmapImage::create(m_image2).get());
image->setImageResource(newImageResource);
// The ImageBitmap should contain the same data as the original cached image
{
ASSERT_EQ(imageBitmap->bitmapImage()->imageForCurrentFrame(), originalImageResource->getImage()->imageForCurrentFrame());
SkImage* image1 = imageBitmap->bitmapImage()->imageForCurrentFrame().get();
ASSERT_NE(image1, nullptr);
SkImage* image2 = originalImageResource->getImage()->imageForCurrentFrame().get();
ASSERT_NE(image2, nullptr);
ASSERT_EQ(image1, image2);
}
{
ASSERT_NE(imageBitmap->bitmapImage()->imageForCurrentFrame(), newImageResource->getImage()->imageForCurrentFrame());
SkImage* image1 = imageBitmap->bitmapImage()->imageForCurrentFrame().get();
ASSERT_NE(image1, nullptr);
SkImage* image2 = newImageResource->getImage()->imageForCurrentFrame().get();
ASSERT_NE(image2, nullptr);
ASSERT_NE(image1, image2);
}
}