LayoutSize CachedImage::imageSizeForRenderer(const RenderObject* renderer, float multiplier, SizeType sizeType)
{
ASSERT(!isPurgeable());
if (!m_image)
return LayoutSize();
LayoutSize imageSize(m_image->size());
#if ENABLE(CSS_IMAGE_ORIENTATION)
if (renderer && m_image->isBitmapImage()) {
ImageOrientationDescription orientationDescription(renderer->shouldRespectImageOrientation(), renderer->style().imageOrientation());
if (orientationDescription.respectImageOrientation() == RespectImageOrientation)
imageSize = LayoutSize(toBitmapImage(m_image.get())->sizeRespectingOrientation(orientationDescription));
}
#else
if (m_image->isBitmapImage() && (renderer && renderer->shouldRespectImageOrientation() == RespectImageOrientation))
#if !PLATFORM(IOS)
imageSize = LayoutSize(toBitmapImage(m_image.get())->sizeRespectingOrientation());
#else
{
// On iOS, the image may have been subsampled to accommodate our size restrictions. However
// we should tell the renderer what the original size was.
imageSize = LayoutSize(toBitmapImage(m_image.get())->originalSizeRespectingOrientation());
} else if (m_image->isBitmapImage())
LayoutSize ImageResource::imageSizeForLayoutObject(const LayoutObject* layoutObject, float multiplier, SizeType sizeType)
{
ASSERT(!isPurgeable());
if (!m_image)
return LayoutSize();
LayoutSize imageSize;
if (m_image->isBitmapImage() && (layoutObject && layoutObject->shouldRespectImageOrientation() == RespectImageOrientation))
imageSize = LayoutSize(toBitmapImage(m_image.get())->sizeRespectingOrientation());
else if (m_image->isSVGImage() && sizeType == NormalSize)
imageSize = LayoutSize(svgImageSizeForLayoutObject(layoutObject));
else
imageSize = LayoutSize(m_image->size());
if (multiplier == 1.0f)
return imageSize;
// Don't let images that have a width/height >= 1 shrink below 1 when zoomed.
float widthScale = m_image->hasRelativeWidth() ? 1.0f : multiplier;
float heightScale = m_image->hasRelativeHeight() ? 1.0f : multiplier;
LayoutSize minimumSize(imageSize.width() > 0 ? 1 : 0, imageSize.height() > 0 ? 1 : 0);
imageSize.scale(widthScale, heightScale);
imageSize.clampToMinimumSize(minimumSize);
ASSERT(multiplier != 1.0f || (imageSize.width().fraction() == 0.0f && imageSize.height().fraction() == 0.0f));
return imageSize;
}
PassOwnPtr<DragImage> DragImage::create(Image* image, RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScaleFactor)
{
if (!image)
return nullptr;
RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
if (!bitmap)
return nullptr;
if (image->isBitmapImage()) {
ImageOrientation orientation = DefaultImageOrientation;
BitmapImage* bitmapImage = toBitmapImage(image);
IntSize sizeRespectingOrientation = bitmapImage->sizeRespectingOrientation();
if (shouldRespectImageOrientation == RespectImageOrientation)
orientation = bitmapImage->currentFrameOrientation();
if (orientation != DefaultImageOrientation) {
FloatRect destRect(FloatPoint(), sizeRespectingOrientation);
if (orientation.usesWidthAsHeight())
destRect = destRect.transposedRect();
SkBitmap skBitmap;
skBitmap.setConfig(
SkBitmap::kARGB_8888_Config, sizeRespectingOrientation.width(), sizeRespectingOrientation.height());
if (!skBitmap.allocPixels())
return nullptr;
SkCanvas canvas(skBitmap);
canvas.concat(affineTransformToSkMatrix(orientation.transformFromDefault(sizeRespectingOrientation)));
canvas.drawBitmapRect(bitmap->bitmap(), 0, destRect);
return adoptPtr(new DragImage(skBitmap, deviceScaleFactor));
}
}
SkBitmap skBitmap;
#if defined(SBROWSER_GPU_RASTERIZATION_ENABLE)
if (!bitmap->bitmap().copyTo(&skBitmap, kPMColor_SkColorType))
#else
if (!bitmap->bitmap().copyTo(&skBitmap, SkBitmap::kARGB_8888_Config))
#endif
return nullptr;
return adoptPtr(new DragImage(skBitmap, deviceScaleFactor));
}
PassOwnPtr<DragImage> DragImage::create(Image* image, RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScaleFactor)
{
if (!image)
return nullptr;
RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
if (!bitmap)
return nullptr;
if (image->isBitmapImage()) {
ImageOrientation orientation = DefaultImageOrientation;
BitmapImage* bitmapImage = toBitmapImage(image);
IntSize sizeRespectingOrientation = bitmapImage->sizeRespectingOrientation();
if (shouldRespectImageOrientation == RespectImageOrientation)
orientation = bitmapImage->currentFrameOrientation();
if (orientation != DefaultImageOrientation) {
FloatRect destRect(FloatPoint(), sizeRespectingOrientation);
if (orientation.usesWidthAsHeight())
destRect = destRect.transposedRect();
SkBitmap skBitmap;
if (!skBitmap.tryAllocN32Pixels(sizeRespectingOrientation.width(), sizeRespectingOrientation.height()))
return nullptr;
SkCanvas canvas(skBitmap);
canvas.concat(affineTransformToSkMatrix(orientation.transformFromDefault(sizeRespectingOrientation)));
canvas.drawBitmapRect(bitmap->bitmap(), 0, destRect);
return adoptPtr(new DragImage(skBitmap, deviceScaleFactor));
}
}
SkBitmap skBitmap;
if (!bitmap->bitmap().copyTo(&skBitmap, kN32_SkColorType))
return nullptr;
return adoptPtr(new DragImage(skBitmap, deviceScaleFactor));
}
PassOwnPtr<DragImage> DragImage::create(Image* image,
RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScaleFactor,
InterpolationQuality interpolationQuality, float opacity, FloatSize imageScale)
{
if (!image)
return nullptr;
RefPtr<SkImage> skImage = image->imageForCurrentFrame();
if (!skImage)
return nullptr;
ImageOrientation orientation;
if (shouldRespectImageOrientation == RespectImageOrientation && image->isBitmapImage())
orientation = toBitmapImage(image)->currentFrameOrientation();
SkBitmap bm;
RefPtr<SkImage> resizedImage =
resizeAndOrientImage(skImage.release(), orientation, imageScale, opacity, interpolationQuality);
if (!resizedImage || !resizedImage->asLegacyBitmap(&bm, SkImage::kRO_LegacyBitmapMode))
return nullptr;
return adoptPtr(new DragImage(bm, deviceScaleFactor, interpolationQuality));
}
if (renderer && m_image->isBitmapImage()) {
ImageOrientationDescription orientationDescription(renderer->shouldRespectImageOrientation(), renderer->style().imageOrientation());
if (orientationDescription.respectImageOrientation() == RespectImageOrientation)
imageSize = LayoutSize(toBitmapImage(m_image.get())->sizeRespectingOrientation(orientationDescription));
}
#else
if (m_image->isBitmapImage() && (renderer && renderer->shouldRespectImageOrientation() == RespectImageOrientation))
#if !PLATFORM(IOS)
imageSize = LayoutSize(toBitmapImage(m_image.get())->sizeRespectingOrientation());
#else
{
// On iOS, the image may have been subsampled to accommodate our size restrictions. However
// we should tell the renderer what the original size was.
imageSize = LayoutSize(toBitmapImage(m_image.get())->originalSizeRespectingOrientation());
} else if (m_image->isBitmapImage())
imageSize = LayoutSize(toBitmapImage(m_image.get())->originalSize());
#endif // !PLATFORM(IOS)
#endif // ENABLE(CSS_IMAGE_ORIENTATION)
else if (m_image->isSVGImage() && sizeType == UsedSize) {
imageSize = LayoutSize(m_svgImageCache->imageSizeForRenderer(renderer));
}
if (multiplier == 1.0f)
return imageSize;
// Don't let images that have a width/height >= 1 shrink below 1 when zoomed.
float widthScale = m_image->hasRelativeWidth() ? 1.0f : multiplier;
float heightScale = m_image->hasRelativeHeight() ? 1.0f : multiplier;
LayoutSize minimumSize(imageSize.width() > 0 ? 1 : 0, imageSize.height() > 0 ? 1 : 0);
imageSize.scale(widthScale, heightScale);
