LibreOffice Module vcl (master): SalBitmap Class Reference

LibreOffice Module vcl (master) 1

#include <salbmp.hxx>

Inheritance diagram for SalBitmap:

Public Member Functions
	SalBitmap ()

virtual	~SalBitmap ()

virtual bool	Create (const Size &rSize, sal_uInt16 nBitCount, const BitmapPalette &rPal)=0

virtual bool	Create (const SalBitmap &rSalBmp)=0

virtual bool	Create (const SalBitmap &rSalBmp, SalGraphics *pGraphics)=0

virtual bool	Create (const SalBitmap &rSalBmp, sal_uInt16 nNewBitCount)=0

virtual bool	Create (const css::uno::Reference< css::rendering::XBitmapCanvas > &rBitmapCanvas, Size &rSize, bool bMask=false)=0

virtual void	Destroy ()=0

virtual Size	GetSize () const =0

virtual sal_uInt16	GetBitCount () const =0

virtual BitmapBuffer *	AcquireBuffer (BitmapAccessMode nMode)=0

virtual void	ReleaseBuffer (BitmapBuffer *pBuffer, BitmapAccessMode nMode)=0

virtual bool	GetSystemData (BitmapSystemData &rData)=0

virtual bool	ScalingSupported () const =0

virtual bool	Scale (const double &rScaleX, const double &rScaleY, BmpScaleFlag nScaleFlag)=0

void	DropScaledCache ()

virtual bool	Replace (const Color &rSearchColor, const Color &rReplaceColor, sal_uInt8 nTol)=0

virtual bool	ConvertToGreyscale ()

virtual bool	InterpretAs8Bit ()

virtual bool	Erase (const Color &)

virtual bool	AlphaBlendWith (const SalBitmap &)

void	GetChecksum (BitmapChecksum &rChecksum) const

void	InvalidateChecksum ()

Protected Types
enum	BitConvert { BitConvert::A8, BitConvert::RGB, BitConvert::BGR, BitConvert::RGBA, BitConvert::BGRA }

Protected Member Functions
virtual void	updateChecksum () const

Static Protected Member Functions
static std::unique_ptr< sal_uInt8[] >	convertDataBitCount (const sal_uInt8 *src, int width, int height, int bitCount, int bytesPerRow, const BitmapPalette &palette, BitConvert type)

Protected Attributes
BitmapChecksum	mnChecksum

bool	mbChecksumValid

Detailed Description

Definition at line 43 of file salbmp.hxx.

Member Enumeration Documentation

enum SalBitmap::BitConvert

strongprotected

Enumerator
A8
RGB
BGR
RGBA
BGRA

Definition at line 120 of file salbmp.hxx.

Constructor & Destructor Documentation

SalBitmap::SalBitmap ( )

inline

Definition at line 47 of file salbmp.hxx.

SalBitmap::~SalBitmap ( )

virtual

Definition at line 148 of file salvtables.cxx.

References DropScaledCache().

Member Function Documentation

virtual BitmapBuffer* SalBitmap::AcquireBuffer ( BitmapAccessMode nMode )

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

Referenced by updateChecksum().

virtual bool SalBitmap::AlphaBlendWith ( const SalBitmap & )

inlinevirtual

Reimplemented in SkiaSalBitmap.

Definition at line 94 of file salbmp.hxx.

std::unique_ptr< sal_uInt8[] > SalBitmap::convertDataBitCount	(	const sal_uInt8 *	src,
		int	width,
		int	height,
		int	bitCount,
		int	bytesPerRow,
		const BitmapPalette &	palette,
		BitConvert	type
	)

staticprotected

Definition at line 266 of file salbmp.cxx.

References A8, assert(), BGR, BGRA, COL_BLACK, COL_WHITE, data, Color::GetBlue(), BitmapPalette::GetEntryCount(), Color::GetGreen(), Color::GetRed(), BitmapPalette::IsGreyPalette8Bit(), RGB, RGBA, and y.

virtual bool SalBitmap::ConvertToGreyscale ( )

inlinevirtual

Reimplemented in OpenGLSalBitmap, and SkiaSalBitmap.

Definition at line 80 of file salbmp.hxx.

virtual bool SalBitmap::Create	(	const Size &	rSize,
		sal_uInt16	nBitCount,
		const BitmapPalette &	rPal
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, Qt5Bitmap, SkiaSalBitmap, and SvpSalBitmap.

virtual bool SalBitmap::Create ( const SalBitmap & rSalBmp )

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, Qt5Bitmap, SvpSalBitmap, and SkiaSalBitmap.

virtual bool SalBitmap::Create	(	const SalBitmap &	rSalBmp,
		SalGraphics *	pGraphics
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, Qt5Bitmap, SvpSalBitmap, and SkiaSalBitmap.

virtual bool SalBitmap::Create	(	const SalBitmap &	rSalBmp,
		sal_uInt16	nNewBitCount
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, Qt5Bitmap, SvpSalBitmap, and SkiaSalBitmap.

virtual bool SalBitmap::Create	(	const css::uno::Reference< css::rendering::XBitmapCanvas > &	rBitmapCanvas,
		Size &	rSize,
		bool	bMask = `false`
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, Qt5Bitmap, SvpSalBitmap, and SkiaSalBitmap.

virtual void SalBitmap::Destroy ( )

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

void SalBitmap::DropScaledCache ( )

Definition at line 137 of file salvtables.cxx.

References ImplGetSVData().

Referenced by ~SalBitmap().

virtual bool SalBitmap::Erase ( const Color & )

inlinevirtual

Reimplemented in SkiaSalBitmap.

Definition at line 89 of file salbmp.hxx.

virtual sal_uInt16 SalBitmap::GetBitCount ( ) const

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

void SalBitmap::GetChecksum ( BitmapChecksum & rChecksum ) const

inline

Definition at line 99 of file salbmp.hxx.

virtual Size SalBitmap::GetSize ( ) const

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

virtual bool SalBitmap::GetSystemData ( BitmapSystemData & rData )

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

virtual bool SalBitmap::InterpretAs8Bit ( )

inlinevirtual

Reimplemented in OpenGLSalBitmap, and SkiaSalBitmap.

Definition at line 84 of file salbmp.hxx.

void SalBitmap::InvalidateChecksum ( )

inline

Definition at line 108 of file salbmp.hxx.

virtual void SalBitmap::ReleaseBuffer	(	BitmapBuffer *	pBuffer,
		BitmapAccessMode	nMode
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

Referenced by updateChecksum().

virtual bool SalBitmap::Replace	(	const Color &	rSearchColor,
		const Color &	rReplaceColor,
		sal_uInt8	nTol
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

virtual bool SalBitmap::Scale	(	const double &	rScaleX,
		const double &	rScaleY,
		BmpScaleFlag	nScaleFlag
	)

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

virtual bool SalBitmap::ScalingSupported ( ) const

pure virtual

Implemented in X11SalBitmap, WinSalBitmap, OpenGLSalBitmap, QuartzSalBitmap, SvpSalBitmap, Qt5Bitmap, and SkiaSalBitmap.

void SalBitmap::updateChecksum ( ) const

protectedvirtual

Reimplemented in OpenGLSalBitmap.

Definition at line 34 of file salbmp.cxx.

References AcquireBuffer(), assert(), BitmapPalette::GetChecksum(), BitmapBuffer::maPalette, mbChecksumValid, BitmapBuffer::mnBitCount, mnChecksum, BitmapBuffer::mnFormat, BitmapBuffer::mnHeight, BitmapBuffer::mnScanlineSize, BitmapBuffer::mnWidth, BitmapBuffer::mpBits, N1BitLsbPal, N1BitMsbPal, N4BitLsnPal, N4BitMsnPal, Read, ReleaseBuffer(), RemoveScanline(), scanlineChecksum(), TopDown, vcl_get_checksum(), and y.

Member Data Documentation

bool SalBitmap::mbChecksumValid

protected

Definition at line 115 of file salbmp.hxx.

Referenced by updateChecksum().

BitmapChecksum SalBitmap::mnChecksum

protected

Definition at line 114 of file salbmp.hxx.

Referenced by updateChecksum().

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