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