xorg-server-1.4/include/bstorestr.h

   1 /*
   2  * Copyright (c) 1987 by the Regents of the University of California
   3  *
   4  * Permission to use, copy, modify, and distribute this software and its
   5  * documentation for any purpose and without fee is hereby granted, provided
   6  * that the above copyright notice appear in all copies.  The University of
   7  * California makes no representations about the suitability of this software
   8  * for any purpose.  It is provided "as is" without express or implied
   9  * warranty.
  10  */
  11
  12 /*
  13  * Moved here from mi to allow wrapping of lower level backing store functions.
  14  * -- 1997.10.27  Marc Aurele La France (tsi@xfree86.org)
  15  */
  16
  17 #ifndef _BSTORESTR_H_
  18 #define _BSTORESTR_H_
  19
  20 #include "gc.h"
  21 #include "pixmap.h"
  22 #include "region.h"
  23 #include "window.h"
  24
  25 typedef    void (* BackingStoreSaveAreasProcPtr)(
  26         PixmapPtr /*pBackingPixmap*/,
  27         RegionPtr /*pObscured*/,
  28         int /*x*/,
  29         int /*y*/,
  30         WindowPtr /*pWin*/);
  31
  32 typedef    void (* BackingStoreRestoreAreasProcPtr)(
  33         PixmapPtr /*pBackingPixmap*/,
  34         RegionPtr /*pExposed*/,
  35         int /*x*/,
  36         int /*y*/,
  37         WindowPtr /*pWin*/);
  38
  39 typedef    void (* BackingStoreSetClipmaskRgnProcPtr)(
  40         GCPtr /*pBackingGC*/,
  41         RegionPtr /*pbackingCompositeClip*/);
  42
  43 typedef    PixmapPtr (* BackingStoreGetImagePixmapProcPtr)(void);
  44
  45 typedef    PixmapPtr (* BackingStoreGetSpansPixmapProcPtr)(void);
  46
  47 typedef struct _BSFuncs {
  48
  49         BackingStoreSaveAreasProcPtr SaveAreas;
  50         BackingStoreRestoreAreasProcPtr RestoreAreas;
  51         BackingStoreSetClipmaskRgnProcPtr SetClipmaskRgn;
  52         BackingStoreGetImagePixmapProcPtr GetImagePixmap;
  53         BackingStoreGetSpansPixmapProcPtr GetSpansPixmap;
  54
  55 } BSFuncRec, *BSFuncPtr;
  56
  57 #endif /* _BSTORESTR_H_ */