2 // This program is free software; you can redistribute it and/or
3 // modify it under the terms of the GNU General Public License as
4 // published by the Free Software Foundation; either version 2 of the
5 // License, or (at your option) any later version.
7 // This program is distributed in the hope that it will be useful, but
8 // WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 // General Public License for more details.
12 // You should have received a copy of the GNU General Public License
13 // along with this program; if not, write to the Free Software
14 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 #include "FGFontCache.hxx"
29 #include <simgear/props/props.hxx>
31 #include <Main/globals.hxx>
33 ////////////////////////////////////////////////////////////////////////
35 ////////////////////////////////////////////////////////////////////////
37 extern puFont FONT_HELVETICA_14;
38 extern puFont FONT_SANS_12B;
39 extern puFont FONT_HELVETICA_12;
48 : public std::unary_function<const GuiFont, bool>
50 Predicate(const char* name_) : name(name_) {}
51 bool operator() (const GuiFont& f1) const
53 return ::strcmp(f1.name, name) == 0;
59 const GuiFont guifonts[] = {
60 { "default", &PUFONT_HELVETICA_12 },
61 { "FIXED_8x13", &PUFONT_8_BY_13 },
62 { "FIXED_9x15", &PUFONT_9_BY_15 },
63 { "TIMES_10", &PUFONT_TIMES_ROMAN_10 },
64 { "TIMES_24", &PUFONT_TIMES_ROMAN_24 },
65 { "HELVETICA_10", &PUFONT_HELVETICA_10 },
66 { "HELVETICA_12", &FONT_HELVETICA_12 },
67 { "HELVETICA_14", &FONT_HELVETICA_14 },
68 { "HELVETICA_18", &PUFONT_HELVETICA_18 },
69 { "SANS_12B", &FONT_SANS_12B },
73 const GuiFont* guifontsEnd = &guifonts[sizeof(guifonts)/ sizeof(guifonts[0])-1];
76 FGFontCache::FGFontCache() :
81 FGFontCache::~FGFontCache()
83 PuFontMap::iterator it, end = _puFonts.end();
84 for (it = _puFonts.begin(); it != end; ++it)
88 inline bool FGFontCache::FntParamsLess::operator()(const FntParams& f1,
89 const FntParams& f2) const
91 int comp = f1.name.compare(f2.name);
96 if (f1.size < f2.size)
98 else if (f1.size > f2.size)
100 return f1.slant < f2.slant;
103 struct FGFontCache::fnt *
104 FGFontCache::getfnt(const char *name, float size, float slant)
106 std::string fontName(name);
107 FntParams fntParams(fontName, size, slant);
108 PuFontMap::iterator i = _puFonts.find(fntParams);
109 if (i != _puFonts.end())
111 // fntTexFont s are all preloaded into the _texFonts map
112 TexFontMap::iterator texi = _texFonts.find(fontName);
113 fntTexFont* texfont = 0;
115 if (texi != _texFonts.end()) {
116 texfont = texi->second;
118 const GuiFont* guifont = std::find_if(&guifonts[0], guifontsEnd,
119 GuiFont::Predicate(name));
120 if (guifont != guifontsEnd) {
121 pufont = guifont->font;
127 } else if (texfont) {
128 f->texfont = texfont;
129 f->pufont = new puFont;
130 f->pufont->initialize(static_cast<fntFont *>(f->texfont), size, slant);
132 f->pufont = guifonts[0].font;
134 _puFonts[fntParams] = f;
139 FGFontCache::get(const char *name, float size, float slant)
141 return getfnt(name, size, slant)->pufont;
145 FGFontCache::getTexFont(const char *name, float size, float slant)
148 return getfnt(name, size, slant)->texfont;
152 FGFontCache::get(SGPropertyNode *node)
155 return get("Helvetica.txf", 15.0, 0.0);
157 const char *name = node->getStringValue("name", "Helvetica.txf");
158 float size = node->getFloatValue("size", 15.0);
159 float slant = node->getFloatValue("slant", 0.0);
161 return get(name, size, slant);
164 void FGFontCache::init()
167 char *envp = ::getenv("FG_FONTS");
171 _path.set(globals->get_fg_root());
172 _path.append("Fonts");
179 FGFontCache::getfntpath(const char *name)
183 if (name && std::string(name) != "") {
189 path = SGPath(_path);
190 path.append("Helvetica.txf");
195 bool FGFontCache::initializeFonts()
197 static std::string fontext("txf");
199 ulDir* fontdir = ulOpenDir(_path.c_str());
202 const ulDirEnt *dirEntry;
203 while ((dirEntry = ulReadDir(fontdir)) != 0) {
205 path.append(dirEntry->d_name);
206 if (path.extension() == fontext) {
207 fntTexFont* f = new fntTexFont;
208 if (f->load((char *)path.c_str()))
209 _texFonts[std::string(dirEntry->d_name)] = f;
218 FGFontCache::fnt::~fnt()