| 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 */ |