kc3-lang/ftgl/src/FTCharmap.cpp

Branch : - branch - master - tag -

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  Commit

• Author : henry
  Date : 2004-12-12 10:01:50
  Hash : 5760ea26
  Message : Changed behaviour so that if an errror occurs the object isn't modified. (strong guarantee).

• src/FTCharmap.cpp

• #include "FTFace.h"
  #include "FTCharmap.h"
  
  
  FTCharmap::FTCharmap( FTFace* face)
  :   ftFace( *(face->Face())),
      err(0)
  {
      if( !ftFace->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;
          charMap.clear();
      }
          
      return !err;
  }
  
  
  unsigned int FTCharmap::GlyphListIndex( unsigned int characterCode )
  {
      return charMap.find( characterCode);
  }
  
  
  unsigned int FTCharmap::FontIndex( unsigned int characterCode )
  {
      return FT_Get_Char_Index( ftFace, characterCode);
  }
  
  
  void FTCharmap::InsertIndex( const unsigned int characterCode, const unsigned int containerIndex)
  {
      charMap.insert( characterCode, containerIndex);
  }