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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.9/src/FontManager.h')
| -rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.9/src/FontManager.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9/src/FontManager.h b/Build/source/texk/dvisvgm/dvisvgm-1.9/src/FontManager.h new file mode 100644 index 00000000000..c5ed1a35a97 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.9/src/FontManager.h @@ -0,0 +1,84 @@ +/************************************************************************* +** FontManager.h ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2014 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** 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 <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#ifndef DVISVGM_FONTMANAGER_H +#define DVISVGM_FONTMANAGER_H + +#include <map> +#include <ostream> +#include <set> +#include <string> +#include <stack> +#include <vector> +#include "Color.h" +#include "FontStyle.h" +#include "types.h" + + +struct FileFinder; +struct Font; +class VirtualFont; + +/** This class provides methods for easy DVI font handling. + * DVI and VF files use local font numbers to reference fonts. For SVG output + * we need a single list with unique IDs of all physical fonts. Characters of + * virtual fonts are completely replaced by their DVI description so they don't + * appear anywhere in the output. */ +class FontManager +{ + typedef std::map<UInt32,int> Num2IdMap; + typedef std::map<std::string,int> Name2IdMap; + typedef std::map<VirtualFont*,Num2IdMap> VfNum2IdMap; + typedef std::map<VirtualFont*, UInt32> VfFirstFontMap; + typedef std::stack<VirtualFont*> VfStack; + + public: + ~FontManager (); + static FontManager& instance (); + int registerFont (UInt32 fontnum, std::string fontname, UInt32 checksum, double dsize, double scale); + int registerFont (UInt32 fontnum, std::string fname, double ptsize, const FontStyle &style, Color color); + Font* getFont (int n) const; + Font* getFont (const std::string &name) const; + Font* getFontById (int id) const; + VirtualFont* getVF () const; + int fontID (int n) const; + int fontID (const Font *font) const; + int fontID (const std::string &name) const; + int fontnum (int id) const; + int vfFirstFontNum (VirtualFont *vf) const; + void enterVF (VirtualFont *vf); + void leaveVF (); + void assignVfChar (int c, std::vector<UInt8> *dvi); + const std::vector<Font*>& getFonts () const {return _fonts;} + std::ostream& write (std::ostream &os, Font *font=0, int level=0); + + protected: + FontManager () {} + + private: + std::vector<Font*> _fonts; ///< all registered Fonts + Num2IdMap _num2id; ///< DVI font number -> fontID + Name2IdMap _name2id; ///< fontname -> fontID + VfNum2IdMap _vfnum2id; + VfStack _vfStack; ///< stack of currently processed virtual fonts + VfFirstFontMap _vfFirstFontMap; ///< VF -> local font number of first font defined in VF +}; + +#endif |