kc3-lang/ftgl/src/FTGlyphContainer.cpp

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  Commit

• Author : henry
  Date : 2002-12-04 08:20:18
  Hash : 93a9d2ec
  Message : Error checking in Add Un-virtualised some functions Minor tidy ups

• src/FTGlyphContainer.cpp

• #include    "FTGlyphContainer.h"
  #include    "FTGlyph.h"
  #include    "FTFace.h"
  
  
  FTGlyphContainer::FTGlyphContainer( FTFace* f, unsigned int g)
  :   numGlyphs( g),
      face( f),
      err( 0)
  {
      glyphs.resize( g, NULL);
  }
  
  
  FTGlyphContainer::~FTGlyphContainer()
  {
      GlyphVector::iterator iter;
      for( iter = glyphs.begin(); iter != glyphs.end(); ++iter)
      {
          if( *iter)
          {
              delete *iter;
          }
      }
      
      glyphs.clear();
  }
  
  
  bool FTGlyphContainer::Add( FTGlyph* tempGlyph, unsigned int g)
  {
      if( g >= numGlyphs)
      {
          return false;
      }
      
      glyphs[g] = tempGlyph;
      return true;
  }
  
  
  FTGlyph* FTGlyphContainer::Glyph( const unsigned int c) const
  {
      return glyphs[face->CharIndex( c)];
  }
  
  
  FTBBox FTGlyphContainer::BBox( const unsigned int index) const
  {
      return glyphs[face->CharIndex( index)]->BBox();
  }
  
  
  float FTGlyphContainer::Advance( unsigned int index, unsigned int next)
  {
      unsigned int left = face->CharIndex( index);
      unsigned int right = face->CharIndex( next);
      
      float width = face->KernAdvance( left, right).x;
      width += glyphs[left]->Advance();
      
      return width;
  }
  
  
  FTPoint FTGlyphContainer::render( unsigned int index, unsigned int next, FTPoint pen)
  {
      FTPoint kernAdvance;
      float advance = 0;
      
      unsigned int left = face->CharIndex( index);
      unsigned int right = face->CharIndex( next);
      
      kernAdvance = face->KernAdvance( left, right);
          
      if( !face->Error())
      {
          advance = glyphs[left]->Render( pen);
      }
      
      kernAdvance.x = advance + kernAdvance.x;
  //  kernAdvance.y = advance.y + kernAdvance.y;
      return kernAdvance;
  }