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Diffstat (limited to 'include/colormapst.h')
| -rw-r--r-- | include/colormapst.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/colormapst.h b/include/colormapst.h new file mode 100644 index 000000000..b176f7dc3 --- /dev/null +++ b/include/colormapst.h @@ -0,0 +1,120 @@ +/* + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +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 and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +*/ +/* $Xorg: colormapst.h,v 1.4 2001/02/09 02:05:14 xorgcvs Exp $ */ +#ifndef CMAPSTRUCT_H +#define CMAPSTRUCT_H 1 + +#include "colormap.h" +#include "screenint.h" + +/* Shared color -- the color is used by AllocColorPlanes */ +typedef struct +{ + unsigned short color; + short refcnt; +} SHAREDCOLOR; + +/* LOCO -- a local color for a PseudoColor cell. DirectColor maps always + * use the first value (called red) in the structure. What channel they + * are really talking about depends on which map they are in. */ +typedef struct +{ + unsigned short red, green, blue; +} LOCO; + +/* SHCO -- a shared color for a PseudoColor cell. Used with AllocColorPlanes. + * DirectColor maps always use the first value (called red) in the structure. + * What channel they are really talking about depends on which map they + * are in. */ +typedef struct +{ + SHAREDCOLOR *red, *green, *blue; +} SHCO; + + +/* color map entry */ +typedef struct _CMEntry +{ + union + { + LOCO local; + SHCO shco; + } co; + short refcnt; + Bool fShared; +} Entry; + +/* COLORMAPs can be used for either Direct or Pseudo color. PseudoColor + * only needs one cell table, we arbitrarily pick red. We keep track + * of that table with freeRed, numPixelsRed, and clientPixelsRed */ + +typedef struct _ColormapRec +{ + VisualPtr pVisual; + short class; /* PseudoColor or DirectColor */ + long mid; /* client's name for colormap */ + ScreenPtr pScreen; /* screen map is associated with */ + short flags; /* 1 = IsDefault + * 2 = AllAllocated */ + int freeRed; + int freeGreen; + int freeBlue; + int *numPixelsRed; + int *numPixelsGreen; + int *numPixelsBlue; + Pixel **clientPixelsRed; + Pixel **clientPixelsGreen; + Pixel **clientPixelsBlue; + Entry *red; + Entry *green; + Entry *blue; + pointer devPriv; + DevUnion *devPrivates; /* dynamic devPrivates added after devPriv + already existed - must keep devPriv */ +} ColormapRec; + +#endif /* COLORMAP_H */ |