icuSources/layout/GlyphDefinitionTables.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
   4  *
   5  */
   6
   7 #ifndef __GLYPHDEFINITIONTABLES_H
   8 #define __GLYPHDEFINITIONTABLES_H
   9
  10 /**
  11  * \file
  12  * \internal
  13  */
  14
  15 #include "LETypes.h"
  16 #include "OpenTypeTables.h"
  17 #include "ClassDefinitionTables.h"
  18
  19 U_NAMESPACE_BEGIN
  20
  21 typedef ClassDefinitionTable GlyphClassDefinitionTable;
  22
  23 enum GlyphClassDefinitions
  24 {
  25     gcdNoGlyphClass     = 0,
  26     gcdSimpleGlyph      = 1,
  27     gcdLigatureGlyph    = 2,
  28     gcdMarkGlyph        = 3,
  29     gcdComponentGlyph   = 4
  30 };
  31
  32 struct AttachmentListTable
  33 {
  34     Offset  coverageTableOffset;
  35     le_uint16  glyphCount;
  36     Offset  attachPointTableOffsetArray[ANY_NUMBER];
  37 };
  38
  39 struct AttachPointTable
  40 {
  41     le_uint16  pointCount;
  42     le_uint16  pointIndexArray[ANY_NUMBER];
  43 };
  44
  45 struct LigatureCaretListTable
  46 {
  47     Offset  coverageTableOffset;
  48     le_uint16  ligGlyphCount;
  49     Offset  ligGlyphTableOffsetArray[ANY_NUMBER];
  50 };
  51
  52 struct LigatureGlyphTable
  53 {
  54     le_uint16  caretCount;
  55     Offset  caretValueTableOffsetArray[ANY_NUMBER];
  56 };
  57
  58 struct CaretValueTable
  59 {
  60     le_uint16  caretValueFormat;
  61 };
  62
  63 struct CaretValueFormat1Table : CaretValueTable
  64 {
  65     le_int16   coordinate;
  66 };
  67
  68 struct CaretValueFormat2Table : CaretValueTable
  69 {
  70     le_uint16  caretValuePoint;
  71 };
  72
  73 struct CaretValueFormat3Table : CaretValueTable
  74 {
  75     le_int16   coordinate;
  76     Offset  deviceTableOffset;
  77 };
  78
  79 typedef ClassDefinitionTable MarkAttachClassDefinitionTable;
  80
  81 struct GlyphDefinitionTableHeader
  82 {
  83     fixed32 version;
  84     Offset  glyphClassDefOffset;
  85     Offset  attachListOffset;
  86     Offset  ligCaretListOffset;
  87     Offset  MarkAttachClassDefOffset;
  88
  89     const GlyphClassDefinitionTable *getGlyphClassDefinitionTable() const;
  90     const AttachmentListTable *getAttachmentListTable()const ;
  91     const LigatureCaretListTable *getLigatureCaretListTable() const;
  92     const MarkAttachClassDefinitionTable *getMarkAttachClassDefinitionTable() const;
  93 };
  94
  95 U_NAMESPACE_END
  96 #endif