#include <PNGImageDecoder.h>

Inheritance diagram for WebCore::PNGImageDecoder:

Public Member Functions
	PNGImageDecoder (AlphaOption, GammaAndColorProfileOption)

virtual	~PNGImageDecoder ()

String	filenameExtension () const override

bool	isSizeAvailable () override

bool	setSize (const IntSize &) override

ImageFrame *	frameBufferAtIndex (size_t index) override

bool	setFailed () override

void	headerAvailable ()

void	rowAvailable (unsigned char *rowBuffer, unsigned rowIndex, int interlacePass)

void	pngComplete ()

bool	isComplete () const

bool	isCompleteAtIndex (size_t index)

Public Member Functions inherited from WebCore::ImageDecoder
	ImageDecoder (AlphaOption, GammaAndColorProfileOption)

bool	isSizeAvailable () const

size_t	frameCount () const

RepetitionCount	repetitionCount () const

String	filenameExtension () const

std::optional< IntPoint >	hotSpot () const

IntSize	frameSizeAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default) const

bool	frameIsCompleteAtIndex (size_t) const

ImageOrientation	frameOrientationAtIndex (size_t) const

float	frameDurationAtIndex (size_t) const

bool	frameHasAlphaAtIndex (size_t) const

bool	frameAllowSubsamplingAtIndex (size_t) const

unsigned	frameBytesAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default) const

NativeImagePtr	createFrameImageAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default, DecodingMode=DecodingMode::OnDemand) const

void	setData (SharedBuffer &, bool allDataReceived)

bool	isAllDataReceived () const

void	clearFrameBufferCache (size_t)

	ImageDecoder ()

String	filenameExtension () const

bool	isSizeAvailable () const

IntSize	size () const

size_t	frameCount () const

RepetitionCount	repetitionCount () const

std::optional< IntPoint >	hotSpot () const

IntSize	frameSizeAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default) const

bool	frameIsCompleteAtIndex (size_t) const

ImageOrientation	frameOrientationAtIndex (size_t) const

float	frameDurationAtIndex (size_t) const

bool	frameHasAlphaAtIndex (size_t) const

bool	frameAllowSubsamplingAtIndex (size_t) const

unsigned	frameBytesAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default) const

NativeImagePtr	createFrameImageAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default, DecodingMode=DecodingMode::OnDemand) const

void	setData (SharedBuffer &, bool allDataReceived)

bool	isAllDataReceived () const

void	clearFrameBufferCache (size_t)

void	setTargetContext (ID2D1RenderTarget *)

	ImageDecoder (AlphaOption alphaOption, GammaAndColorProfileOption gammaAndColorProfileOption)

virtual	~ImageDecoder ()

bool	premultiplyAlpha () const

bool	isAllDataReceived () const

virtual void	setData (SharedBuffer &data, bool allDataReceived)

virtual IntSize	size ()

IntSize	scaledSize ()

virtual IntSize	frameSizeAtIndex (size_t, SubsamplingLevel)

virtual size_t	frameCount () const

virtual RepetitionCount	repetitionCount () const

bool	frameIsCompleteAtIndex (size_t)

bool	frameHasAlphaAtIndex (size_t) const

unsigned	frameBytesAtIndex (size_t) const

float	frameDurationAtIndex (size_t)

NativeImagePtr	createFrameImageAtIndex (size_t, SubsamplingLevel=SubsamplingLevel::Default, DecodingMode=DecodingMode::OnDemand)

void	setIgnoreGammaAndColorProfile (bool flag)

bool	ignoresGammaAndColorProfile () const

ImageOrientation	frameOrientationAtIndex (size_t) const

bool	frameAllowSubsamplingAtIndex (size_t) const

bool	failed () const

virtual void	clearFrameBufferCache (size_t)

virtual std::optional< IntPoint >	hotSpot () const

Additional Inherited Members
Public Types inherited from WebCore::ImageDecoder
enum	{ iccColorProfileHeaderLength = 128 }

Static Public Member Functions inherited from WebCore::ImageDecoder
static std::unique_ptr< ImageDecoder >	create (const SharedBuffer &, AlphaOption alphaOption, GammaAndColorProfileOption gammaAndColorProfileOption)

static size_t	bytesDecodedToDetermineProperties ()

static std::unique_ptr< ImageDecoder >	create (const SharedBuffer &, AlphaOption, GammaAndColorProfileOption)

static size_t	bytesDecodedToDetermineProperties ()

static IWICImagingFactory *	systemImagingFactory ()

static std::unique_ptr< ImageDecoder >	create (const SharedBuffer &data, AlphaOption, GammaAndColorProfileOption)

static bool	rgbColorProfile (const char *profileData, unsigned profileLength)

static size_t	bytesDecodedToDetermineProperties ()

static SubsamplingLevel	subsamplingLevelForScale (float, SubsamplingLevel)

static bool	inputDeviceColorProfile (const char *profileData, unsigned profileLength)

Protected Member Functions inherited from WebCore::ImageDecoder
void	prepareScaleDataIfNecessary ()

int	upperBoundScaledX (int origX, int searchStart=0)

int	lowerBoundScaledX (int origX, int searchStart=0)

int	upperBoundScaledY (int origY, int searchStart=0)

int	lowerBoundScaledY (int origY, int searchStart=0)

int	scaledY (int origY, int searchStart=0)

Protected Attributes inherited from WebCore::ImageDecoder
bool	m_isAllDataReceived { false }

RetainPtr< CGImageSourceRef >	m_nativeDecoder

IntSize	m_size

COMPtr< IWICBitmapDecoder >	m_nativeDecoder

COMPtr< ID2D1RenderTarget >	m_renderTarget

RefPtr< SharedBuffer >	m_data

Vector< ImageFrame, 1 >	m_frameBufferCache

bool	m_scaled { false }

Vector< int >	m_scaledColumns

Vector< int >	m_scaledRows

bool	m_premultiplyAlpha

bool	m_ignoreGammaAndColorProfile

ImageOrientation	m_orientation

Constructor & Destructor Documentation

◆ PNGImageDecoder()

WebCore::PNGImageDecoder::PNGImageDecoder	(	AlphaOption	alphaOption,
		GammaAndColorProfileOption	gammaAndColorProfileOption
	)

◆ ~PNGImageDecoder()

WebCore::PNGImageDecoder::~PNGImageDecoder ( )

virtual

Member Function Documentation

◆ filenameExtension()

String WebCore::PNGImageDecoder::filenameExtension ( ) const

inlineoverridevirtual

Implements WebCore::ImageDecoder.

◆ frameBufferAtIndex()

ImageFrame * WebCore::PNGImageDecoder::frameBufferAtIndex ( size_t index )

overridevirtual

Implements WebCore::ImageDecoder.

◆ headerAvailable()

void WebCore::PNGImageDecoder::headerAvailable ( )

◆ isComplete()

bool WebCore::PNGImageDecoder::isComplete ( ) const

inline

◆ isCompleteAtIndex()

bool WebCore::PNGImageDecoder::isCompleteAtIndex ( size_t index )

inline

◆ isSizeAvailable()

bool WebCore::PNGImageDecoder::isSizeAvailable ( )

overridevirtual

Reimplemented from WebCore::ImageDecoder.

◆ pngComplete()

void WebCore::PNGImageDecoder::pngComplete ( )

◆ rowAvailable()

void WebCore::PNGImageDecoder::rowAvailable	(	unsigned char *	rowBuffer,
		unsigned	rowIndex,
		int	interlacePass
	)

◆ setFailed()

bool WebCore::PNGImageDecoder::setFailed ( )

overridevirtual

Reimplemented from WebCore::ImageDecoder.

◆ setSize()

bool WebCore::PNGImageDecoder::setSize ( const IntSize & size )

overridevirtual

Reimplemented from WebCore::ImageDecoder.

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

Source/WebCore/platform/image-decoders/png/PNGImageDecoder.h
Source/WebCore/platform/image-decoders/png/PNGImageDecoder.cpp

Public Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ PNGImageDecoder()

◆ ~PNGImageDecoder()

Member Function Documentation

◆ filenameExtension()

◆ frameBufferAtIndex()

◆ headerAvailable()

◆ isComplete()

◆ isCompleteAtIndex()

◆ isSizeAvailable()

◆ pngComplete()

◆ rowAvailable()

◆ setFailed()

◆ setSize()