1/*
2 *
3 * Copyright © 2000 SuSE, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and its
6 * documentation for any purpose is hereby granted without fee, provided that
7 * the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the name of SuSE not be used in advertising or
10 * publicity pertaining to distribution of the software without specific,
11 * written prior permission.  SuSE makes no representations about the
12 * suitability of this software for any purpose.  It is provided "as is"
13 * without express or implied warranty.
14 *
15 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
17 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
19 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 *
22 * Author:  Keith Packard, SuSE, Inc.
23 */
24
25#ifndef _GLYPHSTR_H_
26#define _GLYPHSTR_H_
27
28#include <X11/extensions/renderproto.h>
29#include "picture.h"
30#include "screenint.h"
31#include "regionstr.h"
32#include "miscstruct.h"
33#include "privates.h"
34
35#define GlyphFormat1	0
36#define GlyphFormat4	1
37#define GlyphFormat8	2
38#define GlyphFormat16	3
39#define GlyphFormat32	4
40#define GlyphFormatNum	5
41
42typedef struct _Glyph {
43    CARD32	    refcnt;
44    PrivateRec	*devPrivates;
45    unsigned char   sha1[20];
46    CARD32	    size; /* info + bitmap */
47    xGlyphInfo	    info;
48    /* per-screen pixmaps follow */
49} GlyphRec, *GlyphPtr;
50
51#define GlyphPicture(glyph) ((PicturePtr *) ((glyph) + 1))
52
53typedef struct _GlyphRef {
54    CARD32	signature;
55    GlyphPtr	glyph;
56} GlyphRefRec, *GlyphRefPtr;
57
58#define DeletedGlyph	((GlyphPtr) 1)
59
60typedef struct _GlyphHashSet {
61    CARD32	entries;
62    CARD32	size;
63    CARD32	rehash;
64} GlyphHashSetRec, *GlyphHashSetPtr;
65
66typedef struct _GlyphHash {
67    GlyphRefPtr	    table;
68    GlyphHashSetPtr hashSet;
69    CARD32	    tableEntries;
70} GlyphHashRec, *GlyphHashPtr;
71
72typedef struct _GlyphSet {
73    CARD32	    refcnt;
74    int		    fdepth;
75    PictFormatPtr   format;
76    GlyphHashRec    hash;
77    PrivateRec      *devPrivates;
78} GlyphSetRec, *GlyphSetPtr;
79
80#define GlyphSetGetPrivate(pGlyphSet,k)					\
81    dixLookupPrivate(&(pGlyphSet)->devPrivates, k)
82
83#define GlyphSetSetPrivate(pGlyphSet,k,ptr)				\
84    dixSetPrivate(&(pGlyphSet)->devPrivates, k, ptr)
85
86typedef struct _GlyphList {
87    INT16	    xOff;
88    INT16	    yOff;
89    CARD8	    len;
90    PictFormatPtr   format;
91} GlyphListRec, *GlyphListPtr;
92
93extern _X_EXPORT void
94GlyphUninit (ScreenPtr pScreen);
95
96extern _X_EXPORT GlyphHashSetPtr
97FindGlyphHashSet (CARD32 filled);
98
99extern _X_EXPORT GlyphRefPtr
100FindGlyphRef (GlyphHashPtr	hash,
101	      CARD32		signature,
102	      Bool		match,
103	      unsigned char	sha1[20]);
104
105extern _X_EXPORT GlyphPtr
106FindGlyphByHash (unsigned char sha1[20], int format);
107
108extern _X_EXPORT int
109HashGlyph (xGlyphInfo    *gi,
110	   CARD8	 *bits,
111	   unsigned long size,
112	   unsigned char sha1[20]);
113
114extern _X_EXPORT void
115FreeGlyph (GlyphPtr glyph, int format);
116
117extern _X_EXPORT void
118AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id);
119
120extern _X_EXPORT Bool
121DeleteGlyph (GlyphSetPtr glyphSet, Glyph id);
122
123extern _X_EXPORT GlyphPtr
124FindGlyph (GlyphSetPtr glyphSet, Glyph id);
125
126extern _X_EXPORT GlyphPtr
127AllocateGlyph (xGlyphInfo *gi, int format);
128
129extern _X_EXPORT Bool
130AllocateGlyphHash (GlyphHashPtr hash, GlyphHashSetPtr hashSet);
131
132extern _X_EXPORT Bool
133ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global);
134
135extern _X_EXPORT Bool
136ResizeGlyphSet (GlyphSetPtr glyphSet, CARD32 change);
137
138extern _X_EXPORT GlyphSetPtr
139AllocateGlyphSet (int fdepth, PictFormatPtr format);
140
141extern _X_EXPORT int
142FreeGlyphSet (pointer   value,
143	      XID       gid);
144
145
146
147#endif /* _GLYPHSTR_H_ */
148