icuSources/layout/GlyphDefinitionTables.h

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2013 - 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 LE_VAR_ARRAY(AttachmentListTable, attachPointTableOffsetArray)
  39
  40 struct AttachPointTable
  41 {
  42     le_uint16  pointCount;
  43     le_uint16  pointIndexArray[ANY_NUMBER];
  44 };
  45 LE_VAR_ARRAY(AttachPointTable, pointIndexArray)
  46
  47 struct LigatureCaretListTable
  48 {
  49     Offset  coverageTableOffset;
  50     le_uint16  ligGlyphCount;
  51     Offset  ligGlyphTableOffsetArray[ANY_NUMBER];
  52 };
  53 LE_VAR_ARRAY(LigatureCaretListTable, ligGlyphTableOffsetArray)
  54
  55 struct LigatureGlyphTable
  56 {
  57     le_uint16  caretCount;
  58     Offset  caretValueTableOffsetArray[ANY_NUMBER];
  59 };
  60 LE_VAR_ARRAY(LigatureGlyphTable, caretValueTableOffsetArray)
  61
  62 struct CaretValueTable
  63 {
  64     le_uint16  caretValueFormat;
  65 };
  66
  67 struct CaretValueFormat1Table : CaretValueTable
  68 {
  69     le_int16   coordinate;
  70 };
  71
  72 struct CaretValueFormat2Table : CaretValueTable
  73 {
  74     le_uint16  caretValuePoint;
  75 };
  76
  77 struct CaretValueFormat3Table : CaretValueTable
  78 {
  79     le_int16   coordinate;
  80     Offset  deviceTableOffset;
  81 };
  82
  83 typedef ClassDefinitionTable MarkAttachClassDefinitionTable;
  84
  85 struct GlyphDefinitionTableHeader
  86 {
  87     fixed32 version;
  88     Offset  glyphClassDefOffset;
  89     Offset  attachListOffset;
  90     Offset  ligCaretListOffset;
  91     Offset  MarkAttachClassDefOffset;
  92
  93     const LEReferenceTo<GlyphClassDefinitionTable>
  94     getGlyphClassDefinitionTable(const LEReferenceTo<GlyphDefinitionTableHeader>& base,
  95                                  LEErrorCode &success) const;
  96     const LEReferenceTo<AttachmentListTable>
  97     getAttachmentListTable(const LEReferenceTo<GlyphDefinitionTableHeader>& base,
  98                            LEErrorCode &success)const ;
  99     const LEReferenceTo<LigatureCaretListTable>
 100     getLigatureCaretListTable(const LEReferenceTo<GlyphDefinitionTableHeader>& base,
 101                               LEErrorCode &success) const;
 102     const LEReferenceTo<MarkAttachClassDefinitionTable>
 103     getMarkAttachClassDefinitionTable(const LEReferenceTo<GlyphDefinitionTableHeader>& base,
 104                                       LEErrorCode &success) const;
 105 };
 106
 107 U_NAMESPACE_END
 108 #endif