/*
 *
 * Copyright © 2000 SuSE, 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 of SuSE not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  SuSE makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
 * 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.
 *
 * Author:  Keith Packard, SuSE, Inc.
 */

#ifndef _GLYPHSTR_H_
#define _GLYPHSTR_H_

#include <X11/extensions/renderproto.h>
#include "picture.h"
#include "screenint.h"
#include "regionstr.h"
#include "miscstruct.h"
#include "privates.h"

#define GlyphFormat1	0
#define GlyphFormat4	1
#define GlyphFormat8	2
#define GlyphFormat16	3
#define GlyphFormat32	4
#define GlyphFormatNum	5

typedef struct _Glyph {
    CARD32	    refcnt;
    PrivateRec	*devPrivates;
    unsigned char   sha1[20];
    CARD32	    size; /* info + bitmap */
    xGlyphInfo	    info;
    /* per-screen pixmaps follow */
} GlyphRec, *GlyphPtr;

#define GlyphPicture(glyph) ((PicturePtr *) ((glyph) + 1))

typedef struct _GlyphRef {
    CARD32	signature;
    GlyphPtr	glyph;
} GlyphRefRec, *GlyphRefPtr;

#define DeletedGlyph	((GlyphPtr) 1)

typedef struct _GlyphHashSet {
    CARD32	entries;
    CARD32	size;
    CARD32	rehash;
} GlyphHashSetRec, *GlyphHashSetPtr;

typedef struct _GlyphHash {
    GlyphRefPtr	    table;
    GlyphHashSetPtr hashSet;
    CARD32	    tableEntries;
} GlyphHashRec, *GlyphHashPtr;

typedef struct _GlyphSet {
    CARD32	    refcnt;
    int		    fdepth;
    PictFormatPtr   format;
    GlyphHashRec    hash;
    PrivateRec      *devPrivates;
} GlyphSetRec, *GlyphSetPtr;

#define GlyphSetGetPrivate(pGlyphSet,k)					\
    dixLookupPrivate(&(pGlyphSet)->devPrivates, k)

#define GlyphSetSetPrivate(pGlyphSet,k,ptr)				\
    dixSetPrivate(&(pGlyphSet)->devPrivates, k, ptr)

typedef struct _GlyphList {
    INT16	    xOff;
    INT16	    yOff;
    CARD8	    len;
    PictFormatPtr   format;
} GlyphListRec, *GlyphListPtr;

extern _X_EXPORT GlyphHashSetPtr
FindGlyphHashSet (CARD32 filled);

extern _X_EXPORT void
GlyphUninit (ScreenPtr pScreen);

extern _X_EXPORT GlyphHashSetPtr
FindGlyphHashSet (CARD32 filled);

extern _X_EXPORT GlyphRefPtr
FindGlyphRef (GlyphHashPtr	hash,
	      CARD32		signature,
	      Bool		match,
	      unsigned char	sha1[20]);

extern _X_EXPORT GlyphPtr
FindGlyphByHash (unsigned char sha1[20], int format);

extern _X_EXPORT int
HashGlyph (xGlyphInfo    *gi,
	   CARD8	 *bits,
	   unsigned long size,
	   unsigned char sha1[20]);

extern _X_EXPORT void
FreeGlyph (GlyphPtr glyph, int format);

extern _X_EXPORT void
AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id);

extern _X_EXPORT Bool
DeleteGlyph (GlyphSetPtr glyphSet, Glyph id);

extern _X_EXPORT GlyphPtr
FindGlyph (GlyphSetPtr glyphSet, Glyph id);

extern _X_EXPORT GlyphPtr
AllocateGlyph (xGlyphInfo *gi, int format);

extern _X_EXPORT Bool
AllocateGlyphHash (GlyphHashPtr hash, GlyphHashSetPtr hashSet);

extern _X_EXPORT Bool
ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global);

extern _X_EXPORT Bool
ResizeGlyphSet (GlyphSetPtr glyphSet, CARD32 change);

extern _X_EXPORT GlyphSetPtr
AllocateGlyphSet (int fdepth, PictFormatPtr format);

extern _X_EXPORT int
FreeGlyphSet (pointer   value,
	      XID       gid);



#endif /* _GLYPHSTR_H_ */
