source/layout/ClassDefinitionTables.h

/*
 * @(#)ClassDefinitionTables.h	1.5 00/03/15
 *
 * (C) Copyright IBM Corp. 1998, 1999, 2000 - All Rights Reserved
 *
 */

#ifndef __CLASSDEFINITIONTABLES_H
#define __CLASSDEFINITIONTABLES_H

#include "LETypes.h"
#include "OpenTypeTables.h"

struct ClassDefinitionTable
{
    le_uint16 classFormat;

    le_int32  getGlyphClass(LEGlyphID glyphID);
    le_bool   hasGlyphClass(le_int32 glyphClass);
};

struct ClassDefFormat1Table : ClassDefinitionTable
{
    LEGlyphID  startGlyph;
    le_uint16  glyphCount;
    le_uint16  classValueArray[ANY_NUMBER];

    le_int32 getGlyphClass(LEGlyphID glyphID);
    le_bool  hasGlyphClass(le_int32 glyphClass);
};

struct ClassRangeRecord
{
    LEGlyphID start;
    LEGlyphID end;
    le_uint16 classValue;
};

struct ClassDefFormat2Table : ClassDefinitionTable
{
    le_uint16        classRangeCount;
    GlyphRangeRecord classRangeRecordArray[ANY_NUMBER];

    le_int32 getGlyphClass(LEGlyphID glyphID);
    le_bool hasGlyphClass(le_int32 glyphClass);
};

#endif