summaryrefslogtreecommitdiff
path: root/dviware/dvisvgm/src/FontCache.hpp
diff options
context:
space:
mode:
authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/FontCache.hpp
Initial commit
Diffstat (limited to 'dviware/dvisvgm/src/FontCache.hpp')
-rw-r--r--dviware/dvisvgm/src/FontCache.hpp64
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