WebCore::ImageBuffer Class Reference

#include <ImageBuffer.h>

Public Types
enum	CoordinateSystem { LogicalCoordinateSystem, BackingStoreCoordinateSystem, LogicalCoordinateSystem, BackingStoreCoordinateSystem }
enum	CoordinateSystem { LogicalCoordinateSystem, BackingStoreCoordinateSystem, LogicalCoordinateSystem, BackingStoreCoordinateSystem }

Public Member Functions
bool	isCompatibleWithContext (const GraphicsContext &) const
WEBCORE_EXPORT	~ImageBuffer ()
const IntSize &	internalSize () const
const IntSize &	logicalSize () const
FloatSize	sizeForDestinationSize (FloatSize) const
float	resolutionScale () const
WEBCORE_EXPORT GraphicsContext &	context () const
WEBCORE_EXPORT RefPtr< Image >	copyImage (BackingStoreCopy=CopyBackingStore, ScaleBehavior=Scaled) const
RefPtr< Uint8ClampedArray >	getUnmultipliedImageData (const IntRect &, CoordinateSystem=LogicalCoordinateSystem) const
RefPtr< Uint8ClampedArray >	getPremultipliedImageData (const IntRect &, CoordinateSystem=LogicalCoordinateSystem) const
void	putByteArray (Multiply multiplied, Uint8ClampedArray *, const IntSize &sourceSize, const IntRect &sourceRect, const IntPoint &destPoint, CoordinateSystem=LogicalCoordinateSystem)
void	convertToLuminanceMask ()
String	toDataURL (const String &mimeType, std::optional< double > quality=std::nullopt, CoordinateSystem=LogicalCoordinateSystem) const
Vector< uint8_t >	toData (const String &mimeType, std::optional< double > quality=std::nullopt) const
AffineTransform	baseTransform () const
void	transformColorSpace (ColorSpace srcColorSpace, ColorSpace dstColorSpace)
void	platformTransformColorSpace (const Vector< int > &)
PlatformLayer *	platformLayer () const
size_t	memoryCost () const
size_t	externalMemoryCost () const
bool	copyToPlatformTexture (GraphicsContext3D &, GC3Denum, Platform3DObject, GC3Denum, bool, bool)
bool	isCompatibleWithContext (const GraphicsContext &) const
WEBCORE_EXPORT	~ImageBuffer ()
const IntSize &	internalSize () const
const IntSize &	logicalSize () const
FloatSize	sizeForDestinationSize (FloatSize) const
float	resolutionScale () const
WEBCORE_EXPORT GraphicsContext &	context () const
WEBCORE_EXPORT RefPtr< Image >	copyImage (BackingStoreCopy=CopyBackingStore, ScaleBehavior=Scaled) const
RefPtr< Uint8ClampedArray >	getUnmultipliedImageData (const IntRect &, CoordinateSystem=LogicalCoordinateSystem) const
RefPtr< Uint8ClampedArray >	getPremultipliedImageData (const IntRect &, CoordinateSystem=LogicalCoordinateSystem) const
void	putByteArray (Multiply multiplied, Uint8ClampedArray *, const IntSize &sourceSize, const IntRect &sourceRect, const IntPoint &destPoint, CoordinateSystem=LogicalCoordinateSystem)
void	convertToLuminanceMask ()
String	toDataURL (const String &mimeType, std::optional< double > quality=std::nullopt, CoordinateSystem=LogicalCoordinateSystem) const
Vector< uint8_t >	toData (const String &mimeType, std::optional< double > quality=std::nullopt) const
AffineTransform	baseTransform () const
void	transformColorSpace (ColorSpace srcColorSpace, ColorSpace dstColorSpace)
void	platformTransformColorSpace (const Vector< int > &)
PlatformLayer *	platformLayer () const
size_t	memoryCost () const
size_t	externalMemoryCost () const
bool	copyToPlatformTexture (GraphicsContext3D &, GC3Denum, Platform3DObject, GC3Denum, bool, bool)

Static Public Member Functions
static WEBCORE_EXPORT std::unique_ptr< ImageBuffer >	create (const FloatSize &, RenderingMode, float resolutionScale=1, ColorSpace=ColorSpaceSRGB)
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 &)
static WEBCORE_EXPORT RefPtr< Image >	sinkIntoImage (std::unique_ptr< ImageBuffer >, ScaleBehavior=Scaled)
static BackingStoreCopy	fastCopyImageMode ()
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 WEBCORE_EXPORT std::unique_ptr< ImageBuffer >	create (const FloatSize &, RenderingMode, float resolutionScale=1, ColorSpace=ColorSpaceSRGB)
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 &)
static WEBCORE_EXPORT RefPtr< Image >	sinkIntoImage (std::unique_ptr< ImageBuffer >, ScaleBehavior=Scaled)
static BackingStoreCopy	fastCopyImageMode ()
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 &)

Friends
class	IOSurface
class	GraphicsContext
class	GeneratedImage
class	CrossfadeGeneratedImage
class	NamedImageGeneratedImage
class	GradientImage

Member Enumeration Documentation

CoordinateSystem [1/2]

enum WebCore::ImageBuffer::CoordinateSystem

Enumerator
LogicalCoordinateSystem
BackingStoreCoordinateSystem
LogicalCoordinateSystem
BackingStoreCoordinateSystem

CoordinateSystem [2/2]

enum WebCore::ImageBuffer::CoordinateSystem

Enumerator
LogicalCoordinateSystem
BackingStoreCoordinateSystem
LogicalCoordinateSystem
BackingStoreCoordinateSystem

Constructor & Destructor Documentation

~ImageBuffer() [1/2]

WEBCORE_EXPORT WebCore::ImageBuffer::~ImageBuffer

(

)

~ImageBuffer() [2/2]

WEBCORE_EXPORT WebCore::ImageBuffer::~ImageBuffer

(

)

Member Function Documentation

baseTransform() [1/2]

AffineTransform WebCore::ImageBuffer::baseTransform ( ) const

inline

baseTransform() [2/2]

AffineTransform WebCore::ImageBuffer::baseTransform ( ) const

inline

clampedRect() [1/2]

FloatRect WebCore::ImageBuffer::clampedRect ( const FloatRect &  rect )

static

clampedRect() [2/2]

static FloatRect WebCore::ImageBuffer::clampedRect ( const FloatRect &  )

static

clampedSize() [1/4]

FloatSize WebCore::ImageBuffer::clampedSize ( const FloatSize &  size )

static

clampedSize() [2/4]

static FloatSize WebCore::ImageBuffer::clampedSize ( const FloatSize &  )

static

clampedSize() [3/4]

FloatSize WebCore::ImageBuffer::clampedSize ( const FloatSize &  size, FloatSize &  scale  )

static

clampedSize() [4/4]

static FloatSize WebCore::ImageBuffer::clampedSize ( const FloatSize &  , FloatSize &  scale  )

static

compatibleBufferSize() [1/2]

IntSize WebCore::ImageBuffer::compatibleBufferSize ( const FloatSize &  size, const GraphicsContext &  context  )

static

compatibleBufferSize() [2/2]

static IntSize WebCore::ImageBuffer::compatibleBufferSize ( const FloatSize &  , const GraphicsContext &    )

static

context() [1/2]

WEBCORE_EXPORT GraphicsContext& WebCore::ImageBuffer::context

(

)

const

context() [2/2]

WEBCORE_EXPORT GraphicsContext& WebCore::ImageBuffer::context

(

)

const

convertToLuminanceMask() [1/2]

void WebCore::ImageBuffer::convertToLuminanceMask

(

)

convertToLuminanceMask() [2/2]

void WebCore::ImageBuffer::convertToLuminanceMask

(

)

copyImage() [1/2]

WEBCORE_EXPORT RefPtr<Image> WebCore::ImageBuffer::copyImage	(	BackingStoreCopy	= CopyBackingStore,
		ScaleBehavior	= Scaled
	)		const

copyImage() [2/2]

WEBCORE_EXPORT RefPtr<Image> WebCore::ImageBuffer::copyImage	(	BackingStoreCopy	= CopyBackingStore,
		ScaleBehavior	= Scaled
	)		const

copyToPlatformTexture() [1/2]

bool WebCore::ImageBuffer::copyToPlatformTexture	(	GraphicsContext3D &	,
		GC3Denum	,
		Platform3DObject	,
		GC3Denum	,
		bool	,
		bool
	)

copyToPlatformTexture() [2/2]

bool WebCore::ImageBuffer::copyToPlatformTexture	(	GraphicsContext3D &	,
		GC3Denum	,
		Platform3DObject	,
		GC3Denum	,
		bool	,
		bool
	)

create() [1/2]

static WEBCORE_EXPORT std::unique_ptr<ImageBuffer> WebCore::ImageBuffer::create ( const FloatSize &  , RenderingMode  , float  resolutionScale = 1, ColorSpace  = ColorSpaceSRGB  )

static

create() [2/2]

std::unique_ptr< ImageBuffer > WebCore::ImageBuffer::create ( const FloatSize &  size, RenderingMode  renderingMode, float  resolutionScale = 1, ColorSpace  colorSpace = ColorSpaceSRGB  )

static

createCompatibleBuffer() [1/6]

static std::unique_ptr<ImageBuffer> WebCore::ImageBuffer::createCompatibleBuffer ( const FloatSize &  , const GraphicsContext &    )

static

createCompatibleBuffer() [2/6]

static std::unique_ptr<ImageBuffer> WebCore::ImageBuffer::createCompatibleBuffer ( const FloatSize &  , const GraphicsContext &    )

static

createCompatibleBuffer() [3/6]

static std::unique_ptr<ImageBuffer> WebCore::ImageBuffer::createCompatibleBuffer ( const FloatSize &  , ColorSpace  , const GraphicsContext &    )

static

createCompatibleBuffer() [4/6]

std::unique_ptr< ImageBuffer > WebCore::ImageBuffer::createCompatibleBuffer ( const FloatSize &  size, ColorSpace  colorSpace, const GraphicsContext &  context  )

static

createCompatibleBuffer() [5/6]

std::unique_ptr< ImageBuffer > WebCore::ImageBuffer::createCompatibleBuffer ( const FloatSize &  size, float  resolutionScale, ColorSpace  colorSpace, const GraphicsContext &  context  )

static

createCompatibleBuffer() [6/6]

static std::unique_ptr<ImageBuffer> WebCore::ImageBuffer::createCompatibleBuffer ( const FloatSize &  , float  resolutionScale, ColorSpace  , const GraphicsContext &    )

static

externalMemoryCost() [1/2]

size_t WebCore::ImageBuffer::externalMemoryCost

(

)

const

externalMemoryCost() [2/2]

size_t WebCore::ImageBuffer::externalMemoryCost

(

)

const

fastCopyImageMode() [1/2]

static BackingStoreCopy WebCore::ImageBuffer::fastCopyImageMode ( )

static

fastCopyImageMode() [2/2]

static BackingStoreCopy WebCore::ImageBuffer::fastCopyImageMode ( )

static

getPremultipliedImageData() [1/2]

RefPtr<Uint8ClampedArray> WebCore::ImageBuffer::getPremultipliedImageData	(	const IntRect &	,
		CoordinateSystem	= LogicalCoordinateSystem
	)		const

getPremultipliedImageData() [2/2]

RefPtr<Uint8ClampedArray> WebCore::ImageBuffer::getPremultipliedImageData	(	const IntRect &	,
		CoordinateSystem	= LogicalCoordinateSystem
	)		const

getUnmultipliedImageData() [1/2]

RefPtr<Uint8ClampedArray> WebCore::ImageBuffer::getUnmultipliedImageData	(	const IntRect &	,
		CoordinateSystem	= LogicalCoordinateSystem
	)		const

getUnmultipliedImageData() [2/2]

RefPtr<Uint8ClampedArray> WebCore::ImageBuffer::getUnmultipliedImageData	(	const IntRect &	,
		CoordinateSystem	= LogicalCoordinateSystem
	)		const

internalSize() [1/2]

const IntSize& WebCore::ImageBuffer::internalSize ( ) const

inline

internalSize() [2/2]

const IntSize& WebCore::ImageBuffer::internalSize ( ) const

inline

isCompatibleWithContext() [1/2]

bool WebCore::ImageBuffer::isCompatibleWithContext

(

const GraphicsContext &

)

const

isCompatibleWithContext() [2/2]

bool WebCore::ImageBuffer::isCompatibleWithContext

(

const GraphicsContext &

context

)

const

logicalSize() [1/2]

const IntSize& WebCore::ImageBuffer::logicalSize ( ) const

inline

logicalSize() [2/2]

const IntSize& WebCore::ImageBuffer::logicalSize ( ) const

inline

memoryCost() [1/2]

size_t WebCore::ImageBuffer::memoryCost

(

)

const

memoryCost() [2/2]

size_t WebCore::ImageBuffer::memoryCost

(

)

const

platformLayer() [1/2]

PlatformLayer* WebCore::ImageBuffer::platformLayer

(

)

const

platformLayer() [2/2]

PlatformLayer * WebCore::ImageBuffer::platformLayer

(

)

const

platformTransformColorSpace() [1/2]

void WebCore::ImageBuffer::platformTransformColorSpace

(

const Vector< int > &

)

platformTransformColorSpace() [2/2]

void WebCore::ImageBuffer::platformTransformColorSpace

(

const Vector< int > &

)

putByteArray() [1/2]

void WebCore::ImageBuffer::putByteArray	(	Multiply	multiplied,
		Uint8ClampedArray *	,
		const IntSize &	sourceSize,
		const IntRect &	sourceRect,
		const IntPoint &	destPoint,
		CoordinateSystem	= LogicalCoordinateSystem
	)

putByteArray() [2/2]

void WebCore::ImageBuffer::putByteArray	(	Multiply	multiplied,
		Uint8ClampedArray *	,
		const IntSize &	sourceSize,
		const IntRect &	sourceRect,
		const IntPoint &	destPoint,
		CoordinateSystem	= LogicalCoordinateSystem
	)

resolutionScale() [1/2]

float WebCore::ImageBuffer::resolutionScale ( ) const

inline

resolutionScale() [2/2]

float WebCore::ImageBuffer::resolutionScale ( ) const

inline

sinkIntoImage() [1/2]

static WEBCORE_EXPORT RefPtr<Image> WebCore::ImageBuffer::sinkIntoImage ( std::unique_ptr< ImageBuffer >  , ScaleBehavior  = Scaled  )

static

sinkIntoImage() [2/2]

static WEBCORE_EXPORT RefPtr<Image> WebCore::ImageBuffer::sinkIntoImage ( std::unique_ptr< ImageBuffer >  , ScaleBehavior  = Scaled  )

static

sizeForDestinationSize() [1/2]

FloatSize WebCore::ImageBuffer::sizeForDestinationSize

(

FloatSize

size

)

const

sizeForDestinationSize() [2/2]

FloatSize WebCore::ImageBuffer::sizeForDestinationSize

(

FloatSize

)

const

sizeNeedsClamping() [1/4]

bool WebCore::ImageBuffer::sizeNeedsClamping ( const FloatSize &  size )

static

sizeNeedsClamping() [2/4]

static bool WebCore::ImageBuffer::sizeNeedsClamping ( const FloatSize &  )

static

sizeNeedsClamping() [3/4]

static bool WebCore::ImageBuffer::sizeNeedsClamping ( const FloatSize &  , FloatSize &  scale  )

static

sizeNeedsClamping() [4/4]

bool WebCore::ImageBuffer::sizeNeedsClamping ( const FloatSize &  size, FloatSize &  scale  )

static

toData() [1/2]

Vector<uint8_t> WebCore::ImageBuffer::toData	(	const String &	mimeType,
		std::optional< double >	quality = std::nullopt
	)		const

toData() [2/2]

Vector< uint8_t > WebCore::ImageBuffer::toData	(	const String &	mimeType,
		std::optional< double >	quality = std::nullopt
	)		const

toDataURL() [1/2]

String WebCore::ImageBuffer::toDataURL	(	const String &	mimeType,
		std::optional< double >	quality = std::nullopt,
		CoordinateSystem	= LogicalCoordinateSystem
	)		const

toDataURL() [2/2]

String WebCore::ImageBuffer::toDataURL	(	const String &	mimeType,
		std::optional< double >	quality = std::nullopt,
		CoordinateSystem	= LogicalCoordinateSystem
	)		const

transformColorSpace() [1/2]

void WebCore::ImageBuffer::transformColorSpace	(	ColorSpace	srcColorSpace,
		ColorSpace	dstColorSpace
	)

transformColorSpace() [2/2]

void WebCore::ImageBuffer::transformColorSpace	(	ColorSpace	srcColorSpace,
		ColorSpace	dstColorSpace
	)

Friends And Related Function Documentation

CrossfadeGeneratedImage

CrossfadeGeneratedImage

friend

GeneratedImage

GeneratedImage

friend

GradientImage

GradientImage

friend

GraphicsContext

GraphicsContext

friend

IOSurface

IOSurface

friend

NamedImageGeneratedImage

NamedImageGeneratedImage

friend

---

The documentation for this class was generated from the following files:

• DerivedData/WebKit/Build/Products/Debug/WebCore.framework/Versions/A/PrivateHeaders/ImageBuffer.h
• Source/WebCore/platform/graphics/gtk/ImageBufferGtk.cpp
• Source/WebCore/platform/graphics/ImageBuffer.cpp