SalBitmap Class Reference

#include <salbmp.hxx>

Inheritance diagram for SalBitmap:

Public Member Functions
	SalBitmap ()
virtual	~SalBitmap ()
virtual bool	Create (const Size &rSize, vcl::PixelFormat ePixelFormat, 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, vcl::PixelFormat eNewPixelFormat)=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 &)
BitmapChecksum	GetChecksum () const
void	InvalidateChecksum ()

Protected Types
enum class	BitConvert {   A8 ,   RGBA ,   BGRA ,   LAST = BGRA }

Protected Member Functions
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 44 of file salbmp.hxx.

Member Enumeration Documentation

BitConvert

enum class SalBitmap::BitConvert

strongprotected

Enumerator
A8
RGBA
BGRA
LAST

Definition at line 120 of file salbmp.hxx.

Constructor & Destructor Documentation

SalBitmap()

SalBitmap::SalBitmap ( )

inline

Definition at line 48 of file salbmp.hxx.

~SalBitmap()

SalBitmap::~SalBitmap ( )

virtual

Definition at line 200 of file salvtables.cxx.

References DropScaledCache().

Member Function Documentation

AcquireBuffer()

virtual BitmapBuffer * SalBitmap::AcquireBuffer ( BitmapAccessMode  nMode )

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Referenced by updateChecksum().

AlphaBlendWith()

virtual bool SalBitmap::AlphaBlendWith ( const SalBitmap &  )

inlinevirtual

Reimplemented in SkiaSalBitmap.

Definition at line 95 of file salbmp.hxx.

convertDataBitCount()

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 256 of file salbmp.cxx.

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

ConvertToGreyscale()

virtual bool SalBitmap::ConvertToGreyscale ( )

inlinevirtual

Reimplemented in SkiaSalBitmap.

Definition at line 81 of file salbmp.hxx.

Create() [1/5]

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

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Create() [2/5]

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

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Create() [3/5]

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

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Create() [4/5]

virtual bool SalBitmap::Create ( const SalBitmap &  rSalBmp, vcl::PixelFormat  eNewPixelFormat  )

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Create() [5/5]

virtual bool SalBitmap::Create ( const Size &  rSize, vcl::PixelFormat  ePixelFormat, const BitmapPalette &  rPal  )

pure virtual

Implemented in QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, WinSalBitmap, and SvpSalBitmap.

Destroy()

virtual void SalBitmap::Destroy ( )

pure virtual

Implemented in SvpSalBitmap, QtBitmap, SkiaSalBitmap, QuartzSalBitmap, X11SalBitmap, and WinSalBitmap.

DropScaledCache()

void SalBitmap::DropScaledCache

(

)

Definition at line 188 of file salvtables.cxx.

References ImplGetSVData().

Referenced by ~SalBitmap().

Erase()

virtual bool SalBitmap::Erase ( const Color &  )

inlinevirtual

Reimplemented in SkiaSalBitmap.

Definition at line 90 of file salbmp.hxx.

GetBitCount()

virtual sal_uInt16 SalBitmap::GetBitCount ( ) const

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

GetChecksum()

BitmapChecksum SalBitmap::GetChecksum ( ) const

inline

Definition at line 100 of file salbmp.hxx.

GetSize()

virtual Size SalBitmap::GetSize ( ) const

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

GetSystemData()

virtual bool SalBitmap::GetSystemData ( BitmapSystemData &  rData )

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

InterpretAs8Bit()

virtual bool SalBitmap::InterpretAs8Bit ( )

inlinevirtual

Reimplemented in SkiaSalBitmap.

Definition at line 85 of file salbmp.hxx.

InvalidateChecksum()

void SalBitmap::InvalidateChecksum ( )

inline

Definition at line 108 of file salbmp.hxx.

ReleaseBuffer()

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

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Referenced by updateChecksum().

Replace()

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

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

Scale()

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

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

ScalingSupported()

virtual bool SalBitmap::ScalingSupported ( ) const

pure virtual

Implemented in SvpSalBitmap, QtBitmap, QuartzSalBitmap, SkiaSalBitmap, X11SalBitmap, and WinSalBitmap.

updateChecksum()

void SalBitmap::updateChecksum ( ) const

protected

Definition at line 35 of file salbmp.cxx.

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

Member Data Documentation

mbChecksumValid

bool SalBitmap::mbChecksumValid

protected

Definition at line 115 of file salbmp.hxx.

Referenced by updateChecksum().

mnChecksum

BitmapChecksum SalBitmap::mnChecksum

protected

Definition at line 114 of file salbmp.hxx.

Referenced by updateChecksum().

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

• salbmp.hxx
• salvtables.cxx
• salbmp.cxx