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bstorestr.h

/* $XFree86: xc/programs/Xserver/include/bstorestr.h,v 1.1 1998/04/05 16:44:25 robin Exp $*/
/*
 * Copyright (c) 1987 by the Regents of the University of California
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appear in all copies.  The University of
 * California makes no representations about the suitability of this software
 * for any purpose.  It is provided "as is" without express or implied
 * warranty.
 */

/*
 * Moved here from mi to allow wrapping of lower level backing store functions.
 * -- 1997.10.27  Marc Aurele La France (tsi@xfree86.org)
 */

#ifndef _BSTORESTR_H_
#define _BSTORESTR_H_

#include "gc.h"
#include "pixmap.h"
#include "region.h"
#include "window.h"

typedef    void (* BackingStoreSaveAreasProcPtr)(
#if NeedNestedPrototypes
      PixmapPtr /*pBackingPixmap*/,
      RegionPtr /*pObscured*/,
      int /*x*/,
      int /*y*/,
      WindowPtr /*pWin*/
#endif
);

typedef    void (* BackingStoreRestoreAreasProcPtr)(
#if NeedNestedPrototypes
      PixmapPtr /*pBackingPixmap*/,
      RegionPtr /*pExposed*/,
      int /*x*/,
      int /*y*/,
      WindowPtr /*pWin*/
#endif
);

typedef    void (* BackingStoreSetClipmaskRgnProcPtr)(
#if NeedNestedPrototypes
      GCPtr /*pBackingGC*/,
      RegionPtr /*pbackingCompositeClip*/
#endif
);

typedef    PixmapPtr (* BackingStoreGetImagePixmapProcPtr)( /* unused */
#if NeedNestedPrototypes
      void
#endif
);

typedef    PixmapPtr (* BackingStoreGetSpansPixmapProcPtr)( /* unused */
#if NeedNestedPrototypes
      void
#endif
);

typedef struct _BSFuncs {

      BackingStoreSaveAreasProcPtr SaveAreas;
      BackingStoreRestoreAreasProcPtr RestoreAreas;
      BackingStoreSetClipmaskRgnProcPtr SetClipmaskRgn;
      BackingStoreGetImagePixmapProcPtr GetImagePixmap;
      BackingStoreGetSpansPixmapProcPtr GetSpansPixmap;

} BSFuncRec, *BSFuncPtr;

#endif /* _BSTORESTR_H_ */

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