/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#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