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/* $XConsortium: colormap.h /main/11 1996/11/15 21:29:01 rws $ */
/*
* Copyright 1994 Network Computing Devices, Inc.
*
* 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, and that the name Network Computing Devices, Inc. not be
* used in advertising or publicity pertaining to distribution of this
* software without specific, written prior permission.
*
* THIS SOFTWARE IS PROVIDED `AS-IS'. NETWORK COMPUTING DEVICES, INC.,
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
* LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL NETWORK
* COMPUTING DEVICES, INC., BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING
* SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA,
* OR PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
* WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef COLORMAP_H_
#define COLORMAP_H_
typedef struct _rgbentry {
char *name;
int namelen;
VisualID visual;
CARD16 xred,
xblue,
xgreen; /* exact */
CARD16 vred,
vblue,
vgreen; /* visual */
} RGBEntryRec, *RGBEntryPtr;
typedef CARD32 Pixel;
#define PIXEL_FREE 0
#define PIXEL_PRIVATE 1
#define PIXEL_SHARED 2
typedef struct _entry {
CARD16 red,
green,
blue;
char status;
char server_ref;
int refcnt;
Pixel pixel;
} Entry;
#define CMAP_NOT_GRABBED 0
#define CMAP_GRAB_REQUESTED 1
#define CMAP_GRABBED 2
#define DynamicClass 1
typedef struct _visual {
int class;
VisualID id;
int depth;
int bitsPerRGB;
int colormapEntries;
CARD32 redMask, greenMask, blueMask;
int offsetRed, offsetGreen, offsetBlue;
} LbxVisualRec, *LbxVisualPtr;
#define NUMRED(pv) (((pv)->redMask >> (pv)->offsetRed) + 1)
#define NUMGREEN(pv) (((pv)->greenMask >> (pv)->offsetGreen) + 1)
#define NUMBLUE(pv) (((pv)->blueMask >> (pv)->offsetBlue) + 1)
#define REDPART(pv,pix) (((pix) & (pv)->redMask) >> (pv)->offsetRed)
#define GREENPART(pv,pix) (((pix) & (pv)->greenMask) >> (pv)->offsetGreen)
#define BLUEPART(pv,pix) (((pix) & (pv)->blueMask) >> (pv)->offsetBlue)
typedef struct _cmap {
Colormap id;
LbxVisualPtr pVisual;
Bool grab_status;
Entry *red;
Entry *green;
Entry *blue;
int *numPixelsRed;
int *numPixelsGreen;
int *numPixelsBlue;
Pixel **clientPixelsRed;
Pixel **clientPixelsGreen;
Pixel **clientPixelsBlue;
} ColormapRec, *ColormapPtr;
extern void (* LbxResolveColor)(
#if NeedNestedPrototypes
LbxVisualPtr /* pVisual */,
CARD16* /* red */,
CARD16* /* green */,
CARD16* /* blue */
#endif
);
extern void ResolveColor(
#if NeedFunctionPrototypes
LbxVisualPtr /* pVisual */,
CARD16* /* red */,
CARD16* /* green */,
CARD16* /* blue */
#endif
);
extern Pixel (* LbxFindFreePixel)(
#if NeedFunctionPrototypes
ColormapPtr /* pmap */,
CARD32 /* red */,
CARD32 /* green */,
CARD32 /* blue */
#endif
);
extern Pixel FindFreePixel(
#if NeedFunctionPrototypes
ColormapPtr /* pmap */,
CARD32 /* red */,
CARD32 /* green */,
CARD32 /* blue */
#endif
);
extern Entry * (* LbxFindBestPixel)(
#if NeedNestedPrototypes
ColormapPtr /* pmap */,
CARD32 /* red */,
CARD32 /* green */,
CARD32 /* blue */,
int /* channels */
#endif
);
extern Entry * FindBestPixel(
#if NeedNestedPrototypes
ColormapPtr /* pmap */,
CARD32 /* red */,
CARD32 /* green */,
CARD32 /* blue */,
int /* channels */
#endif
);
extern RGBEntryPtr FindColorName(
#if NeedFunctionPrototypes
char * /*name*/,
int /*len*/,
LbxVisualPtr /*pVisual*/
#endif
);
extern Bool AddColorName(
#if NeedFunctionPrototypes
char * /*name*/,
int /*len*/,
RGBEntryRec * /*rgbe*/
#endif
);
extern int CreateVisual(
#if NeedFunctionPrototypes
int /*depth*/,
xVisualType * /*vis*/
#endif
);
extern LbxVisualPtr GetVisual(
#if NeedFunctionPrototypes
VisualID /*vid*/
#endif
);
extern int FindPixel(
#if NeedFunctionPrototypes
ClientPtr /*client*/,
ColormapPtr /*pmap*/,
CARD32 /*red*/,
CARD32 /*green*/,
CARD32 /*blue*/,
Entry ** /*pent*/
#endif
);
extern int StorePixel(
#if NeedFunctionPrototypes
ClientPtr /*client*/,
ColormapPtr /*pmap*/,
CARD32 /*red*/,
CARD32 /*green*/,
CARD32 /*blue*/,
Pixel /*pixel*/,
Bool /*from_server*/
#endif
);
extern int FreeClientPixels(
#if NeedFunctionPrototypes
pointer /*pcr*/,
XID /*id*/
#endif
);
extern int IncrementPixel(
#if NeedFunctionPrototypes
ClientPtr /*pclient*/,
ColormapPtr /*pmap*/,
Entry * /*pent*/,
Bool /*from_server*/
#endif
);
extern int AllocCell(
#if NeedFunctionPrototypes
ClientPtr /*pclient*/,
ColormapPtr /*pmap*/,
Pixel /*pixel*/
#endif
);
extern int FreePixels(
#if NeedFunctionPrototypes
ClientPtr /*client*/,
ColormapPtr /*pmap*/,
int /*num*/,
Pixel * /*pixels*/,
Pixel /*mask*/
#endif
);
extern int CreateColormap(
#if NeedFunctionPrototypes
ClientPtr /*client*/,
Colormap /*cmap*/,
VisualID /*visual*/
#endif
);
extern int DestroyColormap(
#if NeedFunctionPrototypes
pointer /*pmap*/,
XID /*id*/
#endif
);
extern int FreeColormap(
#if NeedFunctionPrototypes
ClientPtr /*client*/,
Colormap /*cmap*/
#endif
);
extern int CopyAndFreeColormap(
#if NeedFunctionPrototypes
ClientPtr /*client*/,
Colormap /*new*/,
Colormap /*old*/
#endif
);
extern void FreeColors(
#if NeedFunctionPrototypes
void
#endif
);
#endif /* COLORMAP_H_ */
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