CompatibleDC Class Reference

Class that creates (and destroys) a compatible Device Context. More...

#include <salgdi.h>

Inheritance diagram for CompatibleDC:

Collaboration diagram for CompatibleDC:

Public Member Functions
virtual	~CompatibleDC ()
HDC	getCompatibleHDC ()
SalTwoRect	getTwoRect () const
tools::Long	getBitmapWidth () const
tools::Long	getBitmapHeight () const
void	fill (sal_uInt32 color)
	Reset the DC with the defined color. More...

Static Public Member Functions
static std::unique_ptr< CompatibleDC >	create (SalGraphics &rGraphics, int x, int y, int width, int height)

Protected Member Functions
	CompatibleDC (SalGraphics &rGraphics, int x, int y, int width, int height, bool disable=true)

Protected Attributes
HDC	mhCompatibleDC
	The compatible DC that we create for our purposes. More...
HBITMAP	mhBitmap
	DIBSection that we use for the GDI drawing, and later obtain. More...
HBITMAP	mhOrigBitmap
	Return the previous bitmap to undo the SelectObject. More...
sal_uInt32 *	mpData
	DIBSection data. More...
SalTwoRect	maRects
	Mapping between the GDI position and OpenGL, to use for OpenGL drawing. More...
WinSalGraphicsImplBase *	mpImpl
	The SalGraphicsImpl where we will draw. If null, we ignore the drawing, it means it happened directly to the DC... More...

Detailed Description

Class that creates (and destroys) a compatible Device Context.

This is to be used for GDI drawing into a DIB that we later use for a different drawing method, such as a texture for OpenGL drawing or surface for Skia drawing.

Definition at line 93 of file win/salgdi.h.

Constructor & Destructor Documentation

CompatibleDC()

CompatibleDC::CompatibleDC ( SalGraphics &  rGraphics, int  x, int  y, int  width, int  height, bool  disable = true  )

protected

~CompatibleDC()

virtual CompatibleDC::~CompatibleDC ( )

virtual

Member Function Documentation

create()

static std::unique_ptr< CompatibleDC > CompatibleDC::create ( SalGraphics &  rGraphics, int  x, int  y, int  width, int  height  )

static

fill()

void CompatibleDC::fill

(

sal_uInt32

color

)

Reset the DC with the defined color.

getBitmapHeight()

tools::Long CompatibleDC::getBitmapHeight ( ) const

inline

Definition at line 127 of file win/salgdi.h.

References maRects, and SalTwoRect::mnSrcHeight.

getBitmapWidth()

tools::Long CompatibleDC::getBitmapWidth ( ) const

inline

Definition at line 126 of file win/salgdi.h.

References maRects, and SalTwoRect::mnSrcWidth.

getCompatibleHDC()

HDC CompatibleDC::getCompatibleHDC ( )

inline

Definition at line 122 of file win/salgdi.h.

References mhCompatibleDC.

getTwoRect()

SalTwoRect CompatibleDC::getTwoRect ( ) const

inline

Definition at line 124 of file win/salgdi.h.

References maRects.

Member Data Documentation

maRects

SalTwoRect CompatibleDC::maRects

protected

Mapping between the GDI position and OpenGL, to use for OpenGL drawing.

Definition at line 109 of file win/salgdi.h.

Referenced by getBitmapHeight(), getBitmapWidth(), and getTwoRect().

mhBitmap

HBITMAP CompatibleDC::mhBitmap

protected

DIBSection that we use for the GDI drawing, and later obtain.

Definition at line 100 of file win/salgdi.h.

mhCompatibleDC

HDC CompatibleDC::mhCompatibleDC

protected

The compatible DC that we create for our purposes.

Definition at line 97 of file win/salgdi.h.

Referenced by getCompatibleHDC().

mhOrigBitmap

HBITMAP CompatibleDC::mhOrigBitmap

protected

Return the previous bitmap to undo the SelectObject.

Definition at line 103 of file win/salgdi.h.

mpData

sal_uInt32* CompatibleDC::mpData

protected

DIBSection data.

Definition at line 106 of file win/salgdi.h.

mpImpl

WinSalGraphicsImplBase* CompatibleDC::mpImpl

protected

The SalGraphicsImpl where we will draw. If null, we ignore the drawing, it means it happened directly to the DC...

Definition at line 112 of file win/salgdi.h.

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

• win/salgdi.h