#pragma once
#include "AffineTransform.h"
#include "ColorSpace.h"
#include "GraphicsTypes.h"
#include "GraphicsTypes3D.h"
#include "ImageBufferData.h"
#include "IntSize.h"
#include "PlatformLayer.h"
#include <JavaScriptCore/Uint8ClampedArray.h>
#include <memory>
#include <wtf/Forward.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class FloatRect;
class GraphicsContext;
class GraphicsContext3D;
class Image;
class ImageData;
class IntPoint;
class IntRect;
class HostWindow;
enum BackingStoreCopy {
CopyBackingStore, DontCopyBackingStore };
enum class PreserveResolution {
No,
Yes,
};
class ImageBuffer {
WTF_MAKE_NONCOPYABLE(ImageBuffer); WTF_MAKE_FAST_ALLOCATED;
friend class IOSurface;
public:
WEBCORE_EXPORT static std::unique_ptr<ImageBuffer> create(const FloatSize&, RenderingMode, float resolutionScale = 1, ColorSpace = ColorSpaceSRGB, const HostWindow* = nullptr);
#if USE(DIRECT2D)
WEBCORE_EXPORT static std::unique_ptr<ImageBuffer> create(const FloatSize&, RenderingMode, const GraphicsContext*, float resolutionScale = 1, ColorSpace = ColorSpaceSRGB);
#endif
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 IntSize compatibleBufferSize(const FloatSize&, const GraphicsContext&);
bool isCompatibleWithContext(const GraphicsContext&) const;
WEBCORE_EXPORT ~ImageBuffer();
const IntSize& internalSize() const { return m_size; }
const IntSize& logicalSize() const { return m_logicalSize; }
FloatSize sizeForDestinationSize(FloatSize) const;
float resolutionScale() const { return m_resolutionScale; }
WEBCORE_EXPORT GraphicsContext& context() const;
WEBCORE_EXPORT RefPtr<Image> copyImage(BackingStoreCopy = CopyBackingStore, PreserveResolution = PreserveResolution::No) const;
WEBCORE_EXPORT static RefPtr<Image> sinkIntoImage(std::unique_ptr<ImageBuffer>, PreserveResolution = PreserveResolution::No);
static BackingStoreCopy fastCopyImageMode();
enum CoordinateSystem { LogicalCoordinateSystem, BackingStoreCoordinateSystem };
RefPtr<Uint8ClampedArray> getUnmultipliedImageData(const IntRect&, IntSize* pixelArrayDimensions = nullptr, CoordinateSystem = LogicalCoordinateSystem) const;
RefPtr<Uint8ClampedArray> getPremultipliedImageData(const IntRect&, IntSize* pixelArrayDimensions = nullptr, CoordinateSystem = LogicalCoordinateSystem) const;
void putByteArray(const Uint8ClampedArray&, AlphaPremultiplication bufferFormat, const IntSize& sourceSize, const IntRect& sourceRect, const IntPoint& destPoint, CoordinateSystem = LogicalCoordinateSystem);
void convertToLuminanceMask();
String toDataURL(const String& mimeType, std::optional<double> quality = std::nullopt, PreserveResolution = PreserveResolution::No) const;
Vector<uint8_t> toData(const String& mimeType, std::optional<double> quality = std::nullopt) const;
Vector<uint8_t> toBGRAData() const;
#if !USE(CG)
AffineTransform baseTransform() const { return AffineTransform(); }
void transformColorSpace(ColorSpace srcColorSpace, ColorSpace dstColorSpace);
void platformTransformColorSpace(const std::array<uint8_t, 256>&);
#else
AffineTransform baseTransform() const { return AffineTransform(1, 0, 0, -1, 0, m_data.backingStoreSize.height()); }
#endif
PlatformLayer* platformLayer() const;
size_t memoryCost() const;
size_t externalMemoryCost() const;
bool copyToPlatformTexture(GraphicsContext3D&, GC3Denum, Platform3DObject, GC3Denum, bool, bool);
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&);
private:
#if USE(CG)
RetainPtr<CGImageRef> copyNativeImage(BackingStoreCopy = CopyBackingStore) const;
static RetainPtr<CGImageRef> sinkIntoNativeImage(std::unique_ptr<ImageBuffer>);
void flushContext() const;
#elif USE(DIRECT2D)
void flushContext() const;
#endif
void draw(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect = FloatRect(0, 0, -1, -1), CompositeOperator = CompositeSourceOver, BlendMode = BlendModeNormal);
void drawPattern(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform& patternTransform, const FloatPoint& phase, const FloatSize& spacing, CompositeOperator, BlendMode = BlendModeNormal);
static void drawConsuming(std::unique_ptr<ImageBuffer>, GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect = FloatRect(0, 0, -1, -1), CompositeOperator = CompositeSourceOver, BlendMode = BlendModeNormal);
inline void genericConvertToLuminanceMask();
friend class GraphicsContext;
friend class GeneratedImage;
friend class CrossfadeGeneratedImage;
friend class NamedImageGeneratedImage;
friend class GradientImage;
private:
ImageBufferData m_data;
IntSize m_size;
IntSize m_logicalSize;
float m_resolutionScale;
WEBCORE_EXPORT ImageBuffer(const FloatSize&, float resolutionScale, ColorSpace, RenderingMode, const HostWindow*, bool& success);
#if USE(CG)
ImageBuffer(const FloatSize&, float resolutionScale, CGColorSpaceRef, RenderingMode, const HostWindow*, bool& success);
RetainPtr<CFDataRef> toCFData(const String& mimeType, std::optional<double> quality, PreserveResolution) const;
#elif USE(DIRECT2D)
ImageBuffer(const FloatSize&, float resolutionScale, ColorSpace, RenderingMode, const GraphicsContext*, bool& success);
#endif
};
#if USE(CG)
String dataURL(const ImageData&, const String& mimeType, std::optional<double> quality);
Vector<uint8_t> data(const ImageData&, const String& mimeType, std::optional<double> quality);
#endif
}