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#include "FTFace.h"
#include "FTLibrary.h"
#include "FTCharmap.h"
#ifdef FTGL_DEBUG
#include "mmgr.h"
#endif
#ifdef FTGL_USE_NAMESPACE
namespace ftgl
{
#endif
FTFace::FTFace()
: charMap(0),
ftFace(0),
numCharMaps(0),
numGlyphs(0),
err(0)
{}
FTFace::~FTFace()
{
if (charMap)
{
delete charMap;
}
charMap = 0;
Close();
}
bool FTFace::Open( const char* filename)
{
// FIXME check library for errors
err = FT_New_Face( *FTLibrary::GetInstance()->GetLibrary(),
filename,
0,
&ftFace);
if( err)
{
return false;
}
else
{
charMap = new FTCharmap( ftFace);
return true;
}
}
bool FTFace::Open( const unsigned char *pBufferBytes, size_t bufferSizeInBytes )
{
// FIXME check library for errors
err = FT_New_Memory_Face( *FTLibrary::GetInstance()->GetLibrary(),
pBufferBytes,
bufferSizeInBytes,
0,
&ftFace);
if( err)
{
return false;
}
else
{
charMap = new FTCharmap( ftFace);
return true;
}
}
bool FTFace::Attach( const char* filename)
{
err = FT_Attach_File( ftFace, filename);
return !err;
}
void FTFace::Close()
{
if( ftFace)
{
FT_Done_Face( ftFace);
ftFace = 0;
}
}
FTSize& FTFace::Size( const unsigned int size, const unsigned int res)
{
if( !charSize.CharSize( &ftFace, size, res, res))
{
err = charSize.Error();
}
return charSize;
}
bool FTFace::CharMap( FT_Encoding encoding)
{
return charMap->CharMap( encoding);
}
unsigned int FTFace::CharIndex( unsigned int index) const
{
return charMap->CharIndex( index);
}
FT_Vector& FTFace::KernAdvance( unsigned int index1, unsigned int index2)
{
kernAdvance.x = 0; kernAdvance.y = 0;
if( FT_HAS_KERNING((ftFace)) && index1 && index2)
{
err = FT_Get_Kerning( ftFace, index1, index2, ft_kerning_unfitted, &kernAdvance);
if( !err)
{
kernAdvance.x /= 64; kernAdvance.y /= 64;
}
}
return kernAdvance;
}
FT_Glyph* FTFace::Glyph( unsigned int index, FT_Int load_flags)
{
err = FT_Load_Glyph( ftFace, index, load_flags);
err = FT_Get_Glyph( ftFace->glyph, &ftGlyph);
if( !err)
{
return &ftGlyph;
}
else
{
return NULL;
}
}
#ifdef FTGL_USE_NAMESPACE
} // namespace ftgl
#endif
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