include/colormapst.h

   1 /*
   2
   3 Copyright 1987, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
  26
  27                         All Rights Reserved
  28
  29 Permission to use, copy, modify, and distribute this software and its
  30 documentation for any purpose and without fee is hereby granted,
  31 provided that the above copyright notice appear in all copies and that
  32 both that copyright notice and this permission notice appear in
  33 supporting documentation, and that the name of Digital not be
  34 used in advertising or publicity pertaining to distribution of the
  35 software without specific, written prior permission.
  36
  37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  43 SOFTWARE.
  44
  45 */
  46
  47 #ifndef CMAPSTRUCT_H
  48 #define CMAPSTRUCT_H 1
  49
  50 #include "colormap.h"
  51 #include "screenint.h"
  52 #include "privates.h"
  53
  54 /* Shared color -- the color is used by AllocColorPlanes */
  55 typedef struct {
  56     unsigned short color;
  57     short refcnt;
  58 } SHAREDCOLOR;
  59
  60 /* LOCO -- a local color for a PseudoColor cell. DirectColor maps always
  61  * use the first value (called red) in the structure.  What channel they
  62  * are really talking about depends on which map they are in. */
  63 typedef struct {
  64     unsigned short red, green, blue;
  65 } LOCO;
  66
  67 /* SHCO -- a shared color for a PseudoColor cell. Used with AllocColorPlanes.
  68  * DirectColor maps always use the first value (called red) in the structure.
  69  * What channel they are really talking about depends on which map they
  70  * are in. */
  71 typedef struct {
  72     SHAREDCOLOR *red, *green, *blue;
  73 } SHCO;
  74
  75 /* color map entry */
  76 typedef struct _CMEntry {
  77     union {
  78         LOCO local;
  79         SHCO shco;
  80     } co;
  81     short refcnt;
  82     Bool fShared;
  83 } Entry;
  84
  85 /* COLORMAPs can be used for either Direct or Pseudo color.  PseudoColor
  86  * only needs one cell table, we arbitrarily pick red.  We keep track
  87  * of that table with freeRed, numPixelsRed, and clientPixelsRed */
  88
  89 typedef struct _ColormapRec {
  90     VisualPtr pVisual;
  91     short class;                /* PseudoColor or DirectColor */
  92     XID mid;                    /* client's name for colormap */
  93     ScreenPtr pScreen;          /* screen map is associated with */
  94     short flags;                /* 1 = IsDefault
  95                                  * 2 = AllAllocated */
  96     int freeRed;
  97     int freeGreen;
  98     int freeBlue;
  99     int *numPixelsRed;
 100     int *numPixelsGreen;
 101     int *numPixelsBlue;
 102     Pixel **clientPixelsRed;
 103     Pixel **clientPixelsGreen;
 104     Pixel **clientPixelsBlue;
 105     Entry *red;
 106     Entry *green;
 107     Entry *blue;
 108     PrivateRec *devPrivates;
 109 } ColormapRec;
 110
 111 #endif                          /* COLORMAP_H */