xorg-server-1.4/hw/dmx/dmxcmap.h

   1 /*
   2  * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation on the rights to use, copy, modify, merge,
  10  * publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 /*
  29  * Authors:
  30  *   Kevin E. Martin <kem@redhat.com>
  31  *
  32  */
  33
  34 /** \file
  35  * Header file for colormap support.  \see dmxcmap.c. */
  36
  37 #ifndef DMXCMAP_H
  38 #define DMXCMAP_H
  39
  40 #include "colormapst.h"
  41
  42 /** Colormap private area. */
  43 typedef struct _dmxColormapPriv {
  44     Colormap  cmap;
  45 } dmxColormapPrivRec, *dmxColormapPrivPtr;
  46
  47
  48 extern Bool dmxCreateColormap(ColormapPtr pColormap);
  49 extern void dmxDestroyColormap(ColormapPtr pColormap);
  50 extern void dmxInstallColormap(ColormapPtr pColormap);
  51 extern void dmxStoreColors(ColormapPtr pColormap, int ndef, xColorItem *pdef);
  52
  53 extern Bool dmxCreateDefColormap(ScreenPtr pScreen);
  54
  55 extern Bool dmxBECreateColormap(ColormapPtr pColormap);
  56 extern Bool dmxBEFreeColormap(ColormapPtr pColormap);
  57
  58 /** Private index.  \see dmxcmap.c \see dmxscrinit.c \see dmxwindow.c */
  59 extern int dmxColormapPrivateIndex;
  60
  61 /** Set colormap private structure. */
  62 #define DMX_SET_COLORMAP_PRIV(_pCMap, _pCMapPriv)                       \
  63     (_pCMap)->devPrivates[dmxColormapPrivateIndex].ptr                  \
  64         = (pointer)(_pCMapPriv);
  65
  66 /** Get colormap private structure. */
  67 #define DMX_GET_COLORMAP_PRIV(_pCMap)                                   \
  68     (dmxColormapPrivPtr)(_pCMap)->devPrivates[dmxColormapPrivateIndex].ptr
  69
  70 #endif /* DMXCMAP_H */