/* +-------------------------------------------------------------------+ */
/* | Copyright 1992, David Koblas.                                     | */
/* |   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.  This software is    | */
/* |   provided "as is" without express or implied warranty.           | */
/* +-------------------------------------------------------------------+ */

#ifndef __palette_h__
#define __palette_h__

typedef struct paletteUserList_s {
	Widget				widget;
	struct paletteUserList_s	*next;
} paletteUserList;

typedef struct {
	int		isGrey;
	int		isDefault;
	int		isMapped;
	int		ncolors;
	/*
	**
	*/
	int		readonly;
	Display		*display;
	Colormap	cmap;
	Visual		*visual;
	int		depth;
	void		*htable, *ltable;
	void		*ctable;
	Pixel		mine;
	/*
	**  TrueColor visual support
	*/
	int		rShift, gShift, bShift;
	int		rRange, gRange, bRange;
	/*
	**  Free color entries
	*/
	int		nfree;
	void		*list;
	/*
	**  Cache the last request value here
	*/
	void		*last;

	/*
	**  List of all widgets that are using this palette
	*/
	paletteUserList	*userList;
} Palette;

Palette *PaletteCreate(Widget);
Pixel	 PaletteAlloc(Palette *, XColor *);
int	 PaletteAllocN(Palette *, XColor *, int, Pixel *);
Palette *PaletteFindDpy(Display *, Colormap);
Palette *PaletteFind(Widget, Colormap);
XColor	*PaletteLookup(Palette *, Pixel);
void	 PaletteAddUser(Palette *, Widget);
void 	 PaletteSetInvalid(Palette *, Pixel);
void	 PaletteDelete(Palette *);
Boolean	 PaletteLookupColor(Palette *, XColor *, Pixel *);
Boolean  PaletteSetPixel(Palette *, Pixel, XColor *);
Palette	*PaletteGetDefault(Widget);
Pixel	 PaletteGetUnused(Palette *);

/*
**  Convience
*/
void	 PixmapInvert(Widget, Colormap, Pixmap);

#endif /* __palette_h__ */