kc3-lang/ftgl/src/FTCharmap.cpp

Branch : - branch - master - tag -

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  Commit

• Author : henry
  Date : 2002-12-01 07:50:59
  Hash : 3f78baa9
  Message : Better error handling and remove platform/encoding function

• src/FTCharmap.cpp

• #include    "FTCharmap.h"
  
  
  FTCharmap::FTCharmap( FT_Face face)
  :   ftFace( face),
      err(0)
  {
      if( !face->charmap)
      {
          err = FT_Set_Charmap( ftFace, ftFace->charmaps[0]);
      }
      
      ftEncoding = ftFace->charmap->encoding;
  }
  
  
  FTCharmap::~FTCharmap()
  {
      charMap.clear();
  }
  
  
  bool FTCharmap::CharMap( FT_Encoding encoding)
  {
      if( ftEncoding == encoding)
      {
          return true;
      }
      
      err = FT_Select_Charmap( ftFace, encoding );
      
      if( !err)
      {
          ftEncoding = encoding;
      }
      else
      {
          ftEncoding = ft_encoding_none;
      }
          
      charMap.clear();
      return !err;
  }
  
  
  unsigned int FTCharmap::CharIndex( unsigned int characterCode )
  {
      const CharacterMap::GlyphIndex *result = charMap.find( characterCode);
      
      if( !result)
      {
          unsigned int glyphIndex = FT_Get_Char_Index( ftFace, characterCode);
          charMap.insert( characterCode, glyphIndex);
          return glyphIndex;
      }
      else
      {
          return *result;
      }
  }