dmxgc.h File Reference

#include "gcstruct.h"

Go to the source code of this file.

Data Structures
struct	_dmxGCPriv
Defines
#define	DMX_GET_GC_PRIV(_pGC)   (dmxGCPrivPtr)dixLookupPrivate(&(_pGC)->devPrivates, dmxGCPrivateKey)
#define	DMX_GC_FUNC_PROLOGUE(_pGC)
#define	DMX_GC_FUNC_EPILOGUE(_pGC)
Typedefs
typedef struct _dmxGCPriv	dmxGCPrivRec
typedef struct _dmxGCPriv *	dmxGCPrivPtr
Functions
Bool	dmxInitGC (ScreenPtr pScreen)
Bool	dmxCreateGC (GCPtr pGC)
void	dmxValidateGC (GCPtr pGC, unsigned long changes, DrawablePtr pDrawable)
void	dmxChangeGC (GCPtr pGC, unsigned long mask)
void	dmxCopyGC (GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst)
void	dmxDestroyGC (GCPtr pGC)
void	dmxChangeClip (GCPtr pGC, int type, pointer pvalue, int nrects)
void	dmxDestroyClip (GCPtr pGC)
void	dmxCopyClip (GCPtr pGCDst, GCPtr pGCSrc)
void	dmxBECreateGC (ScreenPtr pScreen, GCPtr pGC)
Bool	dmxBEFreeGC (GCPtr pGC)
Variables
DevPrivateKey	dmxGCPrivateKey

---

Detailed Description

Interface for GC support.

See also:

dmxgc.c

---

Define Documentation

#define DMX_GC_FUNC_EPILOGUE

(

_pGC

)

Value:

do {                                                                    \
    dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC);                      \
    DMX_WRAP(funcs, &dmxGCFuncs, _pGCPriv, (_pGC));                     \
    if (_pGCPriv->ops)                                                  \
        DMX_WRAP(ops, &dmxGCOps, _pGCPriv, (_pGC));                     \
} while (0)

Referenced by dmxChangeClip(), dmxChangeGC(), dmxCopyClip(), dmxCopyGC(), dmxDestroyClip(), dmxDestroyGC(), and dmxValidateGC().

#define DMX_GC_FUNC_PROLOGUE

(

_pGC

)

Value:

do {                                                                    \
    dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC);                      \
    DMX_UNWRAP(funcs, _pGCPriv, (_pGC));                                \
    if (_pGCPriv->ops)                                                  \
        DMX_UNWRAP(ops, _pGCPriv, (_pGC));                              \
} while (0)

Referenced by dmxChangeClip(), dmxChangeGC(), dmxCopyClip(), dmxCopyGC(), dmxDestroyClip(), dmxDestroyGC(), and dmxValidateGC().

#define DMX_GET_GC_PRIV

(

_pGC

)

(dmxGCPrivPtr)dixLookupPrivate(&(_pGC)->devPrivates, dmxGCPrivateKey)

Get private.

Referenced by dmxBECreateGC(), dmxBEFreeGC(), dmxChangeClip(), dmxChangeGC(), dmxCopyArea(), dmxCopyGC(), dmxCopyPlane(), dmxCreateGC(), dmxDestroyClip(), dmxFillPolygon(), dmxImageText16(), dmxImageText8(), dmxPolyArc(), dmxPolyFillArc(), dmxPolyFillRect(), dmxPolylines(), dmxPolyPoint(), dmxPolyRectangle(), dmxPolySegment(), dmxPolyText16(), dmxPolyText8(), dmxPutImage(), and dmxValidateGC().

---

Typedef Documentation

typedef struct _dmxGCPriv * dmxGCPrivPtr

typedef struct _dmxGCPriv dmxGCPrivRec

GC private area.

---

Function Documentation

void dmxBECreateGC	(	ScreenPtr	pScreen,
		GCPtr	pGC
	)

Create the GC on the back-end server.

References _DMXScreenInfo::beDisplay, _DMXScreenInfo::beNumPixmapFormats, _DMXScreenInfo::bePixmapFormats, DMX_GET_GC_PRIV, dmxScreens, _dmxGCPriv::gc, and _DMXScreenInfo::scrnDefDrawables.

Referenced by dmxBECreateResources(), dmxBECreateScratchGCs(), and dmxCreateGC().

Bool dmxBEFreeGC

(

GCPtr

pGC

)

Free the pGC on the back-end server.

References _DMXScreenInfo::beDisplay, DMX_GET_GC_PRIV, dmxScreens, and _dmxGCPriv::gc.

Referenced by dmxBEDestroyResources(), dmxBEDestroyScratchGCs(), and dmxDestroyGC().

void dmxChangeClip	(	GCPtr	pGC,
		int	type,
		pointer	pvalue,
		int	nrects
	)

Change the clip rects for a GC.

References _DMXScreenInfo::beDisplay, DMX_GC_FUNC_EPILOGUE, DMX_GC_FUNC_PROLOGUE, DMX_GET_GC_PRIV, dmxScreens, and _dmxGCPriv::gc.

void dmxChangeGC	(	GCPtr	pGC,
		unsigned long	mask
	)

Set the values in the graphics context on the back-end server associated with pGC's screen.

References _DMXScreenInfo::beDisplay, DMX_GC_FUNC_EPILOGUE, DMX_GC_FUNC_PROLOGUE, DMX_GET_GC_PRIV, DMX_GET_PIXMAP_PRIV, dmxFontPrivateIndex, dmxScreens, dmxSync(), _dmxFontPriv::font, _dmxGCPriv::gc, _dmxGCPriv::msc, and _dmxPixPriv::pixmap.

Referenced by dmxBECreateResources().

void dmxCopyClip	(	GCPtr	pGCDst,
		GCPtr	pGCSrc
	)

Copy a GC's clip rects.

References DMX_GC_FUNC_EPILOGUE, and DMX_GC_FUNC_PROLOGUE.

void dmxCopyGC	(	GCPtr	pGCSrc,
		unsigned long	changes,
		GCPtr	pGCDst
	)

Copy pGCSrc to pGCDst on the back-end server associated with pGCSrc's screen.

References _DMXScreenInfo::beDisplay, DMX_GC_FUNC_EPILOGUE, DMX_GC_FUNC_PROLOGUE, DMX_GET_GC_PRIV, dmxScreens, and _dmxGCPriv::gc.

Bool dmxCreateGC

(

GCPtr

pGC

)

Create a graphics context on the back-end server associated /a pGC's screen.

References _DMXScreenInfo::beDisplay, DMX_GET_GC_PRIV, DMX_UNWRAP, DMX_WRAP, dmxBECreateGC(), dmxCreateGC(), dmxGCFuncs, dmxScreens, _dmxGCPriv::funcs, _dmxGCPriv::gc, _dmxGCPriv::msc, and _dmxGCPriv::ops.

Referenced by dmxCreateGC(), and dmxScreenInit().

void dmxDestroyClip

(

GCPtr

pGC

)

Destroy a GC's clip rects.

References _DMXScreenInfo::beDisplay, DMX_GC_FUNC_EPILOGUE, DMX_GC_FUNC_PROLOGUE, DMX_GET_GC_PRIV, dmxScreens, and _dmxGCPriv::gc.

void dmxDestroyGC

(

GCPtr

pGC

)

Destroy the graphics context, pGC and free the corresponding GC on the back-end server.

References _DMXScreenInfo::beDisplay, DMX_GC_FUNC_EPILOGUE, DMX_GC_FUNC_PROLOGUE, dmxBEFreeGC(), and dmxScreens.

Bool dmxInitGC

(

ScreenPtr

pScreen

)

Initialize the GC on pScreen

References dmxGCPrivateKey.

Referenced by dmxScreenInit().

void dmxValidateGC	(	GCPtr	pGC,
		unsigned long	changes,
		DrawablePtr	pDrawable
	)

Validate a graphics context, pGC, locally in the DMX server and recompute the composite clip, if necessary.

References DMX_GC_FUNC_EPILOGUE, DMX_GC_FUNC_PROLOGUE, DMX_GET_GC_PRIV, and _dmxGCPriv::ops.

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Variable Documentation

DevPrivateKey dmxGCPrivateKey

Private index.

See also:

dmxgc.c

dmxscrinit.c

Private index for GCs

Referenced by dmxInitGC().