icuSources/layout/GlyphDefinitionTables.h

   1 /*
   2  * @(#)GlyphDefinitionTables.h  1.5 00/03/15
   3  *
   4  * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
   5  *
   6  */
   7
   8 #ifndef __GLYPHDEFINITIONTABLES_H
   9 #define __GLYPHDEFINITIONTABLES_H
  10
  11 /**
  12  * \file
  13  * \internal
  14  */
  15
  16 #include "LETypes.h"
  17 #include "OpenTypeTables.h"
  18 #include "ClassDefinitionTables.h"
  19
  20 U_NAMESPACE_BEGIN
  21
  22 typedef ClassDefinitionTable GlyphClassDefinitionTable;
  23
  24 enum GlyphClassDefinitions
  25 {
  26     gcdNoGlyphClass     = 0,
  27     gcdSimpleGlyph      = 1,
  28     gcdLigatureGlyph    = 2,
  29     gcdMarkGlyph        = 3,
  30     gcdComponentGlyph   = 4
  31 };
  32
  33 struct AttachmentListTable
  34 {
  35     Offset  coverageTableOffset;
  36     le_uint16  glyphCount;
  37     Offset  attachPointTableOffsetArray[ANY_NUMBER];
  38 };
  39
  40 struct AttachPointTable
  41 {
  42     le_uint16  pointCount;
  43     le_uint16  pointIndexArray[ANY_NUMBER];
  44 };
  45
  46 struct LigatureCaretListTable
  47 {
  48     Offset  coverageTableOffset;
  49     le_uint16  ligGlyphCount;
  50     Offset  ligGlyphTableOffsetArray[ANY_NUMBER];
  51 };
  52
  53 struct LigatureGlyphTable
  54 {
  55     le_uint16  caretCount;
  56     Offset  caretValueTableOffsetArray[ANY_NUMBER];
  57 };
  58
  59 struct CaretValueTable
  60 {
  61     le_uint16  caretValueFormat;
  62 };
  63
  64 struct CaretValueFormat1Table : CaretValueTable
  65 {
  66     le_int16   coordinate;
  67 };
  68
  69 struct CaretValueFormat2Table : CaretValueTable
  70 {
  71     le_uint16  caretValuePoint;
  72 };
  73
  74 struct CaretValueFormat3Table : CaretValueTable
  75 {
  76     le_int16   coordinate;
  77     Offset  deviceTableOffset;
  78 };
  79
  80 typedef ClassDefinitionTable MarkAttachClassDefinitionTable;
  81
  82 struct GlyphDefinitionTableHeader
  83 {
  84     fixed32 version;
  85     Offset  glyphClassDefOffset;
  86     Offset  attachListOffset;
  87     Offset  ligCaretListOffset;
  88     Offset  MarkAttachClassDefOffset;
  89
  90     const GlyphClassDefinitionTable *getGlyphClassDefinitionTable() const;
  91     const AttachmentListTable *getAttachmentListTable()const ;
  92     const LigatureCaretListTable *getLigatureCaretListTable() const;
  93     const MarkAttachClassDefinitionTable *getMarkAttachClassDefinitionTable() const;
  94 };
  95
  96 U_NAMESPACE_END
  97 #endif