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#include "FTGlyphContainer.h"
#include "FTGlyph.h"
#include "FTFace.h"
#include "FTCharmap.h"
FTGlyphContainer::FTGlyphContainer( FTFace* f)
: face(f),
err(0)
{
glyphs.push_back( NULL);
charMap = new FTCharmap( face);
}
FTGlyphContainer::~FTGlyphContainer()
{
GlyphVector::iterator glyphIterator;
for( glyphIterator = glyphs.begin(); glyphIterator != glyphs.end(); ++glyphIterator)
{
delete *glyphIterator;
}
glyphs.clear();
delete charMap;
}
bool FTGlyphContainer::CharMap( FT_Encoding encoding)
{
bool result = charMap->CharMap( encoding);
err = charMap->Error();
return result;
}
unsigned int FTGlyphContainer::FontIndex( const unsigned int characterCode) const
{
return charMap->FontIndex( characterCode);
}
void FTGlyphContainer::Add( FTGlyph* tempGlyph, const unsigned int characterCode)
{
charMap->InsertIndex( characterCode, glyphs.size());
glyphs.push_back( tempGlyph);
}
const FTGlyph* const FTGlyphContainer::Glyph( const unsigned int characterCode) const
{
signed int index = charMap->GlyphListIndex( characterCode);
return glyphs[index];
}
FTBBox FTGlyphContainer::BBox( const unsigned int characterCode) const
{
return glyphs[charMap->GlyphListIndex( characterCode)]->BBox();
}
float FTGlyphContainer::Advance( const unsigned int characterCode, const unsigned int nextCharacterCode)
{
unsigned int left = charMap->FontIndex( characterCode);
unsigned int right = charMap->FontIndex( nextCharacterCode);
float width = face->KernAdvance( left, right).x;
width += glyphs[charMap->GlyphListIndex( characterCode)]->Advance();
return width;
}
FTPoint FTGlyphContainer::Render( const unsigned int characterCode, const unsigned int nextCharacterCode, FTPoint penPosition)
{
FTPoint kernAdvance;
float advance = 0;
unsigned int left = charMap->FontIndex( characterCode);
unsigned int right = charMap->FontIndex( nextCharacterCode);
kernAdvance = face->KernAdvance( left, right);
if( !face->Error())
{
advance = glyphs[charMap->GlyphListIndex( characterCode)]->Render( penPosition);
}
kernAdvance.x = advance + kernAdvance.x;
// kernAdvance.y = advance.y + kernAdvance.y;
return kernAdvance;
}
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