#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/misc/sg_path.hxx>
+#include <functional>
#include <vector>
#include <map>
-SG_USING_STD(vector);
-SG_USING_STD(map);
-SG_USING_STD(string);
+using std::vector;
+using std::map;
+using std::string;
#include <Main/fg_props.hxx>
+class SGBinding;
+
class FGMenuBar;
class FGDialog;
-class FGBinding;
class FGColor;
class FGFontCache;
virtual puFont *getDefaultFont() { return _font; }
- /**
- * menu wide font cache, accessible from other classes as well.
- */
- FGFontCache *get_fontcache() { return _fontcache; }
-
protected:
- FGFontCache * _fontcache;
-
/**
* Test if the menubar is visible.
*
bool isValid() const {
return _red >= 0.0 && _green >= 0.0 && _blue >= 0.0;
}
- void print() const {
- std::cerr << "red=" << _red << ", green=" << _green
- << ", blue=" << _blue << ", alpha=" << _alpha << std::endl;
- }
+ void print() const;
inline void setRed(float red) { _red = red; }
inline void setGreen(float green) { _green = green; }
/**
- * A small class to keep all fonts available for future use.
+ * A class to keep all fonts available for future use.
* This also assures a font isn't resident more than once.
*/
class FGFontCache {
private:
+ // The parameters of a request to the cache.
+ struct FntParams
+ {
+ const std::string name;
+ const float size;
+ const float slant;
+ FntParams() : size(0.0f), slant(0.0f) {}
+ FntParams(const FntParams& rhs)
+ : name(rhs.name), size(rhs.size), slant(rhs.slant)
+ {
+ }
+ FntParams(const std::string& name_, float size_, float slant_)
+ : name(name_), size(size_), slant(slant_)
+ {
+ }
+ };
+ struct FntParamsLess
+ : public std::binary_function<const FntParams, const FntParams, bool>
+ {
+ bool operator() (const FntParams& f1, const FntParams& f2) const;
+ };
struct fnt {
fnt(puFont *pu = 0) : pufont(pu), texfont(0) {}
- ~fnt() { delete pufont; delete texfont; }
+ ~fnt() { if (texfont) { delete pufont; delete texfont; } }
+ // Font used by plib GUI code
puFont *pufont;
+ // TXF font
fntTexFont *texfont;
};
+ // Path to the font directory
SGPath _path;
- map<const string,fnt *> _fonts;
- typedef map<const string,fnt *>::const_iterator _itt_t;
+ typedef map<const string, fntTexFont*> TexFontMap;
+ typedef map<const FntParams, fnt*, FntParamsLess> PuFontMap;
+ TexFontMap _texFonts;
+ PuFontMap _puFonts;
+
+ bool _initialized;
+ struct fnt *getfnt(const char *name, float size, float slant);
+ void init();
public:
FGFontCache();
puFont *get(const char *name, float size=15.0, float slant=0.0);
puFont *get(SGPropertyNode *node);
+
+ fntTexFont *getTexFont(const char *name, float size=15.0, float slant=0.0);
+
+ SGPath getfntpath(const char *name);
+ /**
+ * Preload all the fonts in the FlightGear font directory. It is
+ * important to load the font textures early, with the proper
+ * graphics context current, so that no plib (or our own) code
+ * tries to load a font from disk when there's no current graphics
+ * context.
+ */
+ bool initializeFonts();
};