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 #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
  42 typedef 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
  53 typedef struct _GlyphRef {
  54     CARD32 signature;
  55     GlyphPtr glyph;
  56 } GlyphRefRec, *GlyphRefPtr;
  57
  58 #define DeletedGlyph    ((GlyphPtr) 1)
  59
  60 typedef struct _GlyphHashSet {
  61     CARD32 entries;
  62     CARD32 size;
  63     CARD32 rehash;
  64 } GlyphHashSetRec, *GlyphHashSetPtr;
  65
  66 typedef struct _GlyphHash {
  67     GlyphRefPtr table;
  68     GlyphHashSetPtr hashSet;
  69     CARD32 tableEntries;
  70 } GlyphHashRec, *GlyphHashPtr;
  71
  72 typedef 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
  86 typedef struct _GlyphList {
  87     INT16 xOff;
  88     INT16 yOff;
  89     CARD8 len;
  90     PictFormatPtr format;
  91 } GlyphListRec, *GlyphListPtr;
  92
  93 extern _X_EXPORT void
  94  GlyphUninit(ScreenPtr pScreen);
  95
  96 extern _X_EXPORT GlyphHashSetPtr FindGlyphHashSet(CARD32 filled);
  97
  98 extern _X_EXPORT GlyphRefPtr
  99 FindGlyphRef(GlyphHashPtr hash,
 100              CARD32 signature, Bool match, unsigned char sha1[20]);
 101
 102 extern _X_EXPORT GlyphPtr FindGlyphByHash(unsigned char sha1[20], int format);
 103
 104 extern _X_EXPORT int
 105
 106 HashGlyph(xGlyphInfo * gi,
 107           CARD8 *bits, unsigned long size, unsigned char sha1[20]);
 108
 109 extern _X_EXPORT void
 110  FreeGlyph(GlyphPtr glyph, int format);
 111
 112 extern _X_EXPORT void
 113  AddGlyph(GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id);
 114
 115 extern _X_EXPORT Bool
 116  DeleteGlyph(GlyphSetPtr glyphSet, Glyph id);
 117
 118 extern _X_EXPORT GlyphPtr FindGlyph(GlyphSetPtr glyphSet, Glyph id);
 119
 120 extern _X_EXPORT GlyphPtr AllocateGlyph(xGlyphInfo * gi, int format);
 121
 122 extern _X_EXPORT Bool
 123  AllocateGlyphHash(GlyphHashPtr hash, GlyphHashSetPtr hashSet);
 124
 125 extern _X_EXPORT Bool
 126  ResizeGlyphHash(GlyphHashPtr hash, CARD32 change, Bool global);
 127
 128 extern _X_EXPORT Bool
 129  ResizeGlyphSet(GlyphSetPtr glyphSet, CARD32 change);
 130
 131 extern _X_EXPORT GlyphSetPtr AllocateGlyphSet(int fdepth, PictFormatPtr format);
 132
 133 extern _X_EXPORT int
 134  FreeGlyphSet(pointer value, XID gid);
 135
 136 #define GLYPH_HAS_GLYPH_PICTURE_ACCESSOR 1 /* used for api compat */
 137 extern _X_EXPORT PicturePtr
 138  GetGlyphPicture(GlyphPtr glyph, ScreenPtr pScreen);
 139 extern _X_EXPORT void
 140  SetGlyphPicture(GlyphPtr glyph, ScreenPtr pScreen, PicturePtr picture);
 141
 142 #endif                          /* _GLYPHSTR_H_ */