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/*
* Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Kevin E. Martin <kem@redhat.com>
*
*/
/** \file
* Interface for GC support. \see dmxgc.c */
#ifndef DMXGC_H
#define DMXGC_H
#include "gcstruct.h"
/** GC private area. */
typedef struct _dmxGCPriv {
const GCOps *ops;
const GCFuncs *funcs;
XlibGC gc;
Bool msc;
} dmxGCPrivRec, *dmxGCPrivPtr;
extern Bool dmxInitGC(ScreenPtr pScreen);
extern Bool dmxCreateGC(GCPtr pGC);
extern void dmxValidateGC(GCPtr pGC, unsigned long changes,
DrawablePtr pDrawable);
extern void dmxChangeGC(GCPtr pGC, unsigned long mask);
extern void dmxCopyGC(GCPtr pGCSrc, unsigned long changes, GCPtr pGCDst);
extern void dmxDestroyGC(GCPtr pGC);
extern void dmxChangeClip(GCPtr pGC, int type, void *pvalue, int nrects);
extern void dmxDestroyClip(GCPtr pGC);
extern void dmxCopyClip(GCPtr pGCDst, GCPtr pGCSrc);
extern void dmxBECreateGC(ScreenPtr pScreen, GCPtr pGC);
extern Bool dmxBEFreeGC(GCPtr pGC);
/** Get private. */
#define DMX_GET_GC_PRIV(_pGC) \
(dmxGCPrivPtr)dixLookupPrivate(&(_pGC)->devPrivates, dmxGCPrivateKey)
#define DMX_GC_FUNC_PROLOGUE(_pGC) \
do { \
dmxGCPrivPtr _pGCPriv = DMX_GET_GC_PRIV(_pGC); \
DMX_UNWRAP(funcs, _pGCPriv, (_pGC)); \
if (_pGCPriv->ops) \
DMX_UNWRAP(ops, _pGCPriv, (_pGC)); \
} while (0)
#define DMX_GC_FUNC_EPILOGUE(_pGC) \
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)
#endif /* DMXGC_H */
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