#pragma once
#include "ImageBufferBackend.h"
#include "RenderingMode.h"
namespace WebCore {
namespace DisplayList {
class DrawingContext;
}
class ImageBuffer {
public:
struct SerializationState {
bool originClean { false };
bool premultiplyAlpha { false };
bool forciblyPremultiplyAlpha { false };
};
WEBCORE_EXPORT static std::unique_ptr<ImageBuffer> create(const FloatSize&, ShouldAccelerate, ShouldUseDisplayList, RenderingPurpose, float resolutionScale = 1, ColorSpace = ColorSpace::SRGB, const HostWindow* = nullptr);
WEBCORE_EXPORT static std::unique_ptr<ImageBuffer> create(const FloatSize&, RenderingMode, float resolutionScale = 1, ColorSpace = ColorSpace::SRGB, const HostWindow* = nullptr);
static std::unique_ptr<ImageBuffer> create(const FloatSize&, const GraphicsContext&);
static std::unique_ptr<ImageBuffer> createCompatibleBuffer(const FloatSize&, const GraphicsContext&);
static std::unique_ptr<ImageBuffer> createCompatibleBuffer(const FloatSize&, ColorSpace, const GraphicsContext&);
static std::unique_ptr<ImageBuffer> createCompatibleBuffer(const FloatSize&, float resolutionScale, ColorSpace, const GraphicsContext&);
static bool sizeNeedsClamping(const FloatSize&);
static bool sizeNeedsClamping(const FloatSize&, FloatSize& scale);
static FloatSize clampedSize(const FloatSize&);
static FloatSize clampedSize(const FloatSize&, FloatSize& scale);
static FloatRect clampedRect(const FloatRect&);
static IntSize compatibleBufferSize(const FloatSize&, const GraphicsContext&);
WEBCORE_EXPORT virtual ~ImageBuffer() = default;
virtual GraphicsContext& context() const = 0;
virtual void flushContext() = 0;
virtual DisplayList::DrawingContext* drawingContext() { return nullptr; }
virtual void flushDrawingContext() { }
virtual AffineTransform baseTransform() const = 0;
virtual IntSize logicalSize() const = 0;
virtual IntSize backendSize() const = 0;
virtual float resolutionScale() const = 0;
virtual size_t memoryCost() const = 0;
virtual size_t externalMemoryCost() const = 0;
virtual NativeImagePtr copyNativeImage(BackingStoreCopy = CopyBackingStore) const = 0;
virtual RefPtr<Image> copyImage(BackingStoreCopy = CopyBackingStore, PreserveResolution = PreserveResolution::No) const = 0;
std::unique_ptr<ImageBuffer> copyRectToBuffer(const FloatRect&, ColorSpace, const GraphicsContext&);
virtual void draw(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect = FloatRect(0, 0, -1, -1), const ImagePaintingOptions& = { }) = 0;
virtual void drawPattern(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform& patternTransform, const FloatPoint& phase, const FloatSize& spacing, const ImagePaintingOptions& = { }) = 0;
static NativeImagePtr sinkIntoNativeImage(std::unique_ptr<ImageBuffer>);
WEBCORE_EXPORT static RefPtr<Image> sinkIntoImage(std::unique_ptr<ImageBuffer>, PreserveResolution = PreserveResolution::No);
static void drawConsuming(std::unique_ptr<ImageBuffer>, GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect = FloatRect(0, 0, -1, -1), const ImagePaintingOptions& = { });
virtual void convertToLuminanceMask() = 0;
virtual void transformColorSpace(ColorSpace srcColorSpace, ColorSpace dstColorSpace) = 0;
virtual String toDataURL(const String& mimeType, Optional<double> quality = WTF::nullopt, PreserveResolution = PreserveResolution::No) const = 0;
virtual Vector<uint8_t> toData(const String& mimeType, Optional<double> quality = WTF::nullopt) const = 0;
virtual Vector<uint8_t> toBGRAData() const = 0;
virtual RefPtr<ImageData> getImageData(AlphaPremultiplication outputFormat, const IntRect& srcRect) const = 0;
virtual void putImageData(AlphaPremultiplication inputFormat, const ImageData&, const IntRect& srcRect, const IntPoint& destPoint = { }, AlphaPremultiplication destFormat = AlphaPremultiplication::Premultiplied) = 0;
virtual bool copyToPlatformTexture(GraphicsContextGLOpenGL&, GCGLenum, PlatformGLObject, GCGLenum, bool, bool) const = 0;
virtual PlatformLayer* platformLayer() const = 0;
virtual bool isAccelerated() const = 0;
protected:
ImageBuffer() = default;
virtual NativeImagePtr sinkIntoNativeImage() = 0;
virtual RefPtr<Image> sinkIntoImage(PreserveResolution = PreserveResolution::No) = 0;
virtual void drawConsuming(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect, const ImagePaintingOptions&) = 0;
};
}