/************************************************************************* ** FontEncoding.h ** ** ** ** This file is part of dvisvgm -- a fast DVI to SVG converter ** ** Copyright (C) 2005-2016 Martin Gieseking ** ** ** ** This program is free software; you can redistribute it and/or ** ** modify it under the terms of the GNU General Public License as ** ** published by the Free Software Foundation; either version 3 of ** ** the License, or (at your option) any later version. ** ** ** ** This program is distributed in the hope that it will be useful, but ** ** WITHOUT ANY WARRANTY; without even the implied warranty of ** ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** ** GNU General Public License for more details. ** ** ** ** You should have received a copy of the GNU General Public License ** ** along with this program; if not, see . ** *************************************************************************/ #ifndef DVISVGM_FONTENCODING_H #define DVISVGM_FONTENCODING_H #include #include "Character.h" #include "types.h" struct CharMapID; class PhysicalFont; struct FontEncoding { virtual ~FontEncoding () {} virtual Character decode (UInt32 c) const =0; virtual bool mapsToCharIndex () const =0; virtual const FontEncoding* findCompatibleBaseFontMap (const PhysicalFont *font, CharMapID &charmapID) const {return 0;} static FontEncoding* encoding (const std::string &encname); }; struct NamedFontEncoding : public FontEncoding { virtual const char* name () const =0; virtual const char* path () const =0; }; class FontEncodingPair : public FontEncoding { public: FontEncodingPair (const FontEncoding *enc1) : _enc1(enc1), _enc2(0) {} FontEncodingPair (const FontEncoding *enc1, const FontEncoding *enc2) : _enc1(enc1), _enc2(enc2) {} Character decode (UInt32 c) const; bool mapsToCharIndex () const; const FontEncoding* findCompatibleBaseFontMap (const PhysicalFont *font, CharMapID &charmapID) const; const FontEncoding* enc1 () const {return _enc1;} const FontEncoding* enc2 () const {return _enc2;} void assign (const FontEncoding *enc); private: const FontEncoding *_enc1, *_enc2; }; #endif