134 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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Copyright 1987, 1998  The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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                        All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its 
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documentation for any purpose and without fee is hereby granted, 
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in 
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.  
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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*/
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#ifndef CMAPSTRUCT_H
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#define CMAPSTRUCT_H 1
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#include <X11/Xarch.h>
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#include "colormap.h"
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#include "screenint.h"
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/* Shared color -- the color is used by AllocColorPlanes */
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typedef struct
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{
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    unsigned short color;
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    short  refcnt;
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} SHAREDCOLOR;
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/* LOCO -- a local color for a PseudoColor cell. DirectColor maps always
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 * use the first value (called red) in the structure.  What channel they
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 * are really talking about depends on which map they are in. */
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typedef struct
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{
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    unsigned short	red, green, blue;
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} LOCO;
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/* SHCO -- a shared color for a PseudoColor cell. Used with AllocColorPlanes.
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 * DirectColor maps always use the first value (called red) in the structure.
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 * What channel they are really talking about depends on which map they
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 * are in. */
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typedef struct 
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{
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    SHAREDCOLOR *red, *green, *blue;
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} SHCO;
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/* color map entry */
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typedef struct _CMEntry
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{
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    union
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    {
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	LOCO	local;
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	SHCO	shco;
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    } co;
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    short	refcnt;
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    Bool	fShared;
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} Entry;
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/*
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 * COLORMAPs can be used for either Direct or Pseudo color.  PseudoColor
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 * only needs one cell table, we arbitrarily pick red.  We keep track
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 * of that table with freeRed, numPixelsRed, and clientPixelsRed
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 *
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 * The padN variables are unfortunate ABI BC. See fdo bug #6924.
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 */
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typedef struct _ColormapRec
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{
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    VisualPtr	pVisual;
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    short	class;		/* PseudoColor or DirectColor */
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#if defined(_XSERVER64)
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    short	pad0;
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    XID		pad1;
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#endif
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    XID		mid;		/* client's name for colormap */
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#if defined(_XSERVER64) && (X_BYTE_ORDER == X_LITTLE_ENDIAN)
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    XID		pad2;
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#endif
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    ScreenPtr	pScreen;	/* screen map is associated with */
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    short	flags;		/* 1 = IsDefault
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				 * 2 = AllAllocated */
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    int		freeRed;
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    int		freeGreen;
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    int		freeBlue;
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    int		*numPixelsRed;	
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    int		*numPixelsGreen;	
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    int		*numPixelsBlue;	
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    Pixel	**clientPixelsRed;
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    Pixel	**clientPixelsGreen;
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    Pixel	**clientPixelsBlue;
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    Entry	*red;
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    Entry 	*green;
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    Entry	*blue;
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    pointer	devPriv;
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    DevUnion	*devPrivates;	/* dynamic devPrivates added after devPriv
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				   already existed - must keep devPriv */
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} ColormapRec;
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#endif /* COLORMAP_H */
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