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 * 
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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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 * 
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#ifndef VCL_PDFFONTCACHE_HXX
#define VCL_PDFFONTCACHE_HXX

#include <sal/types.h>

#include <sallayout.hxx>
#include <salgdi.hxx>

namespace vcl
{
    class PDFFontCache
    {
        struct FontIdentifier
        {
            sal_IntPtr      m_nFontId;
            int             m_nMagic;
            bool            m_bVertical;
            
            FontIdentifier( const ImplFontData*, bool bVertical );
            FontIdentifier() : m_nFontId(0), m_nMagic(0), m_bVertical( false ) {}
            
            bool operator==( const FontIdentifier& rRight ) const
            {
                return m_nFontId == rRight.m_nFontId &&
                       m_nMagic == rRight.m_nMagic &&
                       m_bVertical == rRight.m_bVertical;
            }
            bool operator<( const FontIdentifier& rRight ) const
            {
                return m_nFontId < rRight.m_nFontId ||
                       m_nMagic < rRight.m_nMagic ||
                       m_bVertical < rRight.m_bVertical;
            }
        };
        struct FontData
        {
            Int32Vector  m_nWidths;
            Ucs2UIntMap  m_aGlyphIdToIndex;
        };
        typedef std::map< FontIdentifier, sal_uInt32 > FontToIndexMap;
        
        std::vector< FontData >     m_aFonts;
        FontToIndexMap              m_aFontToIndex;
        
        FontData& getFont( const ImplFontData*, bool bVertical );
        public:
        PDFFontCache() {}
        ~PDFFontCache() {}
        
        sal_Int32 getGlyphWidth( const ImplFontData*, sal_GlyphId, bool bVertical, SalGraphics* );
    };
}

#endif