GrayLib::cSurfaceDC Class Reference

#include <cSurfaceDC.h>

Inheritance diagram for GrayLib::cSurfaceDC:

Public Member Functions
	cSurfaceDC () noexcept
	cSurfaceDC (COLOR16_t *pDataDest, PIXELS_t cx, PIXELS_t cy, size_t iPitchBytes)
	cSurfaceDC (cSurfaceBase *pSurfDest)
	cSurfaceDC (PIXELS_t x, PIXELS_t y)
virtual	~cSurfaceDC ()
virtual void	OnParamsChanged ()
bool	IsInsideClipX (PIXELS_t x) const noexcept
bool	IsInsideClipY (PIXELS_t y) const noexcept
void	SetClipDestEmpty ()
void	SetClipDestAll ()
void	SetClipDest (const cRectI &rect)
virtual void	DrawEraseClip ()
virtual void	DrawBlt (PIXELS_t x, PIXELS_t y, cSurfaceBase *pSrc, const cRectI &srcRect, DWORD rop)
	UNITTEST_FRIEND (cSurfaceDC)

Public Attributes
cSurfaceBase	m_SurfDest
	The destination surface. NOT freed on destruct. "Unlink" this when done. More...
cRectI	m_rClipDest
	clip to this rectangle for draws to m_Dest. (m_Dest surface coordinate system) More...
cColorRef	m_ColorFore
	Foreground pen. More...
cColorRef	m_ColorBack
	Background color (if any) Use Alpha channel. isValidColor() More...

Detailed Description

params for drawing onto an arbitrary (in system memory) surface. Draw context for a surface. Base for cSurfaceDC2. Does NOT perform raster ops. Can be used to wrap HDC or DirectX surfacec as target. AKA: Device context.

Constructor & Destructor Documentation

cSurfaceDC() [1/4]

GrayLib::cSurfaceDC::cSurfaceDC ( )

noexcept

cSurfaceDC() [2/4]

GrayLib::cSurfaceDC::cSurfaceDC	(	COLOR16_t *	pDataDest,
		PIXELS_t	cx,
		PIXELS_t	cy,
		size_t	iPitchBytes
	)

cSurfaceDC() [3/4]

GrayLib::cSurfaceDC::cSurfaceDC

(

cSurfaceBase *

pSurfDest

)

cSurfaceDC() [4/4]

GrayLib::cSurfaceDC::cSurfaceDC	(	PIXELS_t	x,
		PIXELS_t	y
	)

trap = Intentionally Throw an exception if this is used.

~cSurfaceDC()

GrayLib::cSurfaceDC::~cSurfaceDC ( )

virtual

Member Function Documentation

DrawBlt()

void GrayLib::cSurfaceDC::DrawBlt ( PIXELS_t  x, PIXELS_t  y, cSurfaceBase *  pSrc, const cRectI &  srcRect, DWORD  rop  )

virtual

DrawEraseClip()

void GrayLib::cSurfaceDC::DrawEraseClip ( )

virtual

Erase the surface clip area m_rClipDest. set 0's.

IsInsideClipX()

bool GrayLib::cSurfaceDC::IsInsideClipX ( PIXELS_t  x ) const

inlinenoexcept

non-inclusive

IsInsideClipY()

bool GrayLib::cSurfaceDC::IsInsideClipY ( PIXELS_t  y ) const

inlinenoexcept

non-inclusive

OnParamsChanged()

virtual void GrayLib::cSurfaceDC::OnParamsChanged ( )

inlinevirtual

SetClipDest()

void GrayLib::cSurfaceDC::SetClipDest

(

const cRectI &

rect

)

SetClipDestAll()

void GrayLib::cSurfaceDC::SetClipDestAll ( )

inline

clipping region for Destination surface.

SetClipDestEmpty()

void GrayLib::cSurfaceDC::SetClipDestEmpty ( )

inline

UNITTEST_FRIEND()

GrayLib::cSurfaceDC::UNITTEST_FRIEND

(

cSurfaceDC

)

Member Data Documentation

m_ColorBack

cColorRef GrayLib::cSurfaceDC::m_ColorBack

Background color (if any) Use Alpha channel. isValidColor()

m_ColorFore

cColorRef GrayLib::cSurfaceDC::m_ColorFore

Foreground pen.

m_rClipDest

cRectI GrayLib::cSurfaceDC::m_rClipDest

clip to this rectangle for draws to m_Dest. (m_Dest surface coordinate system)

m_SurfDest

cSurfaceBase GrayLib::cSurfaceDC::m_SurfDest

The destination surface. NOT freed on destruct. "Unlink" this when done.

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

• c:/Dennis/Source/Gray/GrayLib/include/Image/cSurfaceDC.h
• c:/Dennis/Source/Gray/GrayLib/src/Image/cSurfaceDC.cpp