diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/FontCache.hpp |
Initial commit
Diffstat (limited to 'dviware/dvisvgm/src/FontCache.hpp')
-rw-r--r-- | dviware/dvisvgm/src/FontCache.hpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/FontCache.hpp b/dviware/dvisvgm/src/FontCache.hpp new file mode 100644 index 0000000000..d242e54ad3 --- /dev/null +++ b/dviware/dvisvgm/src/FontCache.hpp @@ -0,0 +1,64 @@ +/************************************************************************* +** FontCache.hpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2019 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 FONTCACHE_HPP +#define FONTCACHE_HPP + +#include <map> +#include <string> +#include <vector> +#include "Glyph.hpp" + + +class FontCache { + public: + struct FontInfo { + std::string name; // fontname + uint16_t version; // file format version + uint32_t checksum; // CRC32 checksum of file data + uint32_t numchars; // number of characters + uint32_t numbytes; // number of bytes + uint32_t numcmds; // number of path commands + }; + + public: + ~FontCache () {clear();} + bool read (const std::string &fontname, const std::string &dir); + bool read (const std::string &fontname, std::istream &is); + bool write (const std::string &dir) const; + bool write (const std::string &fontname, const std::string &dir) const; + bool write (const std::string &fontname, std::ostream &os) const; + const Glyph* getGlyph (int c) const; + void setGlyph (int c, const Glyph &glyph); + void clear (); + const std::string& fontname () const {return _fontname;} + + static bool fontinfo (const std::string &dirname, std::vector<FontInfo> &infos, std::vector<std::string> &invalid); + static bool fontinfo (std::istream &is, FontInfo &info); + static void fontinfo (const std::string &dirname, std::ostream &os, bool purge=false); + + private: + static const uint8_t FORMAT_VERSION; + std::string _fontname; + std::map<int, Glyph> _glyphs; + bool _changed=false; +}; + +#endif |