ttf/Font.h

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#ifndef SDL_TTF_H
#define SDL_TTF_H

#include <stdexcept>

#include <SDL_ttf.h>

#include "sdlpp_ttf/ttf/Glyph.h"
#include "sdlpp/video/Surface.h"

namespace sdl {
namespace ttf {
    using namespace std;
    using namespace video;

    enum Encodings { TEXT, UTF8, UNICODE };

    struct Font {
        Font (const string& filename, int pointSize) 
          : font_ (TTF_OpenFont (filename.c_str (), pointSize), &TTF_CloseFont) {
            if (font_.get () == NULL)
                throw runtime_error (TTF_GetError ());
        };

        ~Font () {};

        template<int Encoding, class RenderMode>
        Surface render (const string& text, const RenderMode& mode) const {
            return mode.render<Encoding> (*this, text);
        };

        template<int Encoding>
        void size (const string& text, int* height, int* width) const {
            TTF_SizeText (font_.get (), text.c_str (), width, height);
        };
        
        Glyph glyph (char c) const { return Glyph (*this, c); };

        TTF_Font* operator* () const { return font_.get (); };

        int height () const { return TTF_FontHeight (font_.get ()); };

        int ascent () const { return TTF_FontAscent (font_.get ()); };

        int descent () const { return TTF_FontDescent (font_.get ()); };

        int lineSkip () const { return TTF_FontLineSkip (font_.get ()); };

        int getStyle () { return TTF_GetFontStyle (font_.get ()); };

        void setStyle (int style) { TTF_SetFontStyle (font_.get (), style); };

        private:
            boost::shared_ptr<TTF_Font> font_;
    }; //Font

    //TEXT specialization
    template<>
    void Font::size<TEXT> (const string& text, int* height, int* width) const {
        TTF_SizeText (font_.get (), text.c_str (), width, height);
    };

    //UTF8 specialization
    template<>
    void Font::size<UTF8> (const string& text, int* height, int* width) const {
        TTF_SizeUTF8 (font_.get (), text.c_str (), width, height);
    };
    
    //UNICODE specialization
    template<>
    void Font::size<UNICODE> (const string& text, int* height, int* width) const {
        //TTF_SizeUNICODE (font_.get (), text.c_str (), width, height);
    };
}; //ttf
}; //sdl

#endif //SDL_TTF_H