xorg-server-1.4/render/glyphstr.h

   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
  34 #define GlyphFormat1    0
  35 #define GlyphFormat4    1
  36 #define GlyphFormat8    2
  37 #define GlyphFormat16   3
  38 #define GlyphFormat32   4
  39 #define GlyphFormatNum  5
  40
  41 typedef struct _Glyph {
  42     CARD32      refcnt;
  43     DevUnion    *devPrivates;
  44     CARD32      size;   /* info + bitmap */
  45     xGlyphInfo  info;
  46     /* bits follow */
  47 } GlyphRec, *GlyphPtr;
  48
  49 typedef struct _GlyphRef {
  50     CARD32      signature;
  51     GlyphPtr    glyph;
  52 } GlyphRefRec, *GlyphRefPtr;
  53
  54 #define DeletedGlyph    ((GlyphPtr) 1)
  55
  56 typedef struct _GlyphHashSet {
  57     CARD32      entries;
  58     CARD32      size;
  59     CARD32      rehash;
  60 } GlyphHashSetRec, *GlyphHashSetPtr;
  61
  62 typedef struct _GlyphHash {
  63     GlyphRefPtr     table;
  64     GlyphHashSetPtr hashSet;
  65     CARD32          tableEntries;
  66 } GlyphHashRec, *GlyphHashPtr;
  67
  68 typedef struct _GlyphSet {
  69     CARD32          refcnt;
  70     PictFormatPtr   format;
  71     int             fdepth;
  72     GlyphHashRec    hash;
  73     int             maxPrivate;
  74     pointer         *devPrivates;
  75 } GlyphSetRec, *GlyphSetPtr;
  76
  77 #define GlyphSetGetPrivate(pGlyphSet,n)                                 \
  78         ((n) > (pGlyphSet)->maxPrivate ?                                \
  79          (pointer) 0 :                                                  \
  80          (pGlyphSet)->devPrivates[n])
  81
  82 #define GlyphSetSetPrivate(pGlyphSet,n,ptr)                             \
  83         ((n) > (pGlyphSet)->maxPrivate ?                                \
  84          _GlyphSetSetNewPrivate(pGlyphSet, n, ptr) :                    \
  85          ((((pGlyphSet)->devPrivates[n] = (ptr)) != 0) || TRUE))
  86
  87 typedef struct _GlyphList {
  88     INT16           xOff;
  89     INT16           yOff;
  90     CARD8           len;
  91     PictFormatPtr   format;
  92 } GlyphListRec, *GlyphListPtr;
  93
  94 GlyphHashSetPtr
  95 FindGlyphHashSet (CARD32 filled);
  96
  97 int
  98 AllocateGlyphSetPrivateIndex (void);
  99
 100 void
 101 ResetGlyphSetPrivateIndex (void);
 102
 103 Bool
 104 _GlyphSetSetNewPrivate (GlyphSetPtr glyphSet, int n, pointer ptr);
 105
 106 void
 107 ResetGlyphPrivates (void);
 108
 109 int
 110 AllocateGlyphPrivateIndex (void);
 111
 112 Bool
 113 AllocateGlyphPrivate (ScreenPtr pScreen,
 114                       int       index2,
 115                       unsigned  amount);
 116
 117 Bool
 118 GlyphInit (ScreenPtr pScreen);
 119
 120 Bool
 121 GlyphFinishInit (ScreenPtr pScreen);
 122
 123 void
 124 GlyphUninit (ScreenPtr pScreen);
 125
 126 GlyphHashSetPtr
 127 FindGlyphHashSet (CARD32 filled);
 128
 129 GlyphRefPtr
 130 FindGlyphRef (GlyphHashPtr hash, CARD32 signature, Bool match, GlyphPtr compare);
 131
 132 CARD32
 133 HashGlyph (GlyphPtr glyph);
 134
 135 void
 136 FreeGlyph (GlyphPtr glyph, int format);
 137
 138 void
 139 AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id);
 140
 141 Bool
 142 DeleteGlyph (GlyphSetPtr glyphSet, Glyph id);
 143
 144 GlyphPtr
 145 FindGlyph (GlyphSetPtr glyphSet, Glyph id);
 146
 147 GlyphPtr
 148 AllocateGlyph (xGlyphInfo *gi, int format);
 149
 150 Bool
 151 AllocateGlyphHash (GlyphHashPtr hash, GlyphHashSetPtr hashSet);
 152
 153 Bool
 154 ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global);
 155
 156 Bool
 157 ResizeGlyphSet (GlyphSetPtr glyphSet, CARD32 change);
 158
 159 GlyphSetPtr
 160 AllocateGlyphSet (int fdepth, PictFormatPtr format);
 161
 162 int
 163 FreeGlyphSet (pointer   value,
 164               XID       gid);
 165
 166
 167
 168 #endif /* _GLYPHSTR_H_ */