1 // This program is free software; you can redistribute it and/or
2 // modify it under the terms of the GNU General Public License as
3 // published by the Free Software Foundation; either version 2 of the
4 // License, or (at your option) any later version.
6 // This program is distributed in the hope that it will be useful, but
7 // WITHOUT ANY WARRANTY; without even the implied warranty of
8 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9 // General Public License for more details.
11 // You should have received a copy of the GNU General Public License
12 // along with this program; if not, write to the Free Software
13 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 #ifndef __FGFONTCACHE_HXX
16 #define __FGFONTCACHE_HXX
17 #include <simgear/math/SGMath.hxx>
18 #include <simgear/misc/sg_path.hxx>
19 #include <simgear/props/props.hxx>
22 * A class to keep all fonts available for future use.
23 * This also assures a font isn't resident more than once.
27 // The parameters of a request to the cache.
30 const std::string name;
33 FntParams() : size(0.0f), slant(0.0f) {}
34 FntParams(const FntParams& rhs)
35 : name(rhs.name), size(rhs.size), slant(rhs.slant)
38 FntParams(const std::string& name_, float size_, float slant_)
39 : name(name_), size(size_), slant(slant_)
44 : public std::binary_function<const FntParams, const FntParams, bool>
46 bool operator() (const FntParams& f1, const FntParams& f2) const;
49 fnt(puFont *pu = 0) : pufont(pu), texfont(0) {}
50 ~fnt() { if (texfont) { delete pufont; delete texfont; } }
51 // Font used by plib GUI code
56 // Path to the font directory
59 typedef std::map<const std::string, fntTexFont*> TexFontMap;
60 typedef std::map<const FntParams, fnt*, FntParamsLess> PuFontMap;
65 struct fnt *getfnt(const char *name, float size, float slant);
72 puFont *get(const char *name, float size=15.0, float slant=0.0);
73 puFont *get(SGPropertyNode *node);
75 fntTexFont *getTexFont(const char *name, float size=15.0, float slant=0.0);
77 SGPath getfntpath(const char *name);
79 * Preload all the fonts in the FlightGear font directory. It is
80 * important to load the font textures early, with the proper
81 * graphics context current, so that no plib (or our own) code
82 * tries to load a font from disk when there's no current graphics
85 bool initializeFonts();