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