gl_font.h

/************************************************************************
* Copyright (c) 2005-2007 tok@openlinux.org.uk                          *
*                                                                       *
* This software is provided as-is, without any express or implied       *
* warranty. In no event will the authors be held liable for any         *
* damages arising from the use of this software.                        *
*                                                                       *
* Permission is granted to anyone to use this software for any purpose, *
* including commercial applications, and to alter it and redistribute   *
* it freely, subject to the following restrictions:                     *
*                                                                       *
* 1. The origin of this software must not be misrepresented; you must   *
* not claim that you wrote the original software. If you use this       *
* software in a product, an acknowledgment in the product documentation *
* would be appreciated but is not required.                             *
*                                                                       *
* 2. Altered source versions must be plainly marked as such, and must   *
* not be misrepresented as being the original software.                 *
*                                                                       *
* 3. This notice may not be removed or altered from any source          *
* distribution.                                                         *
************************************************************************/
#ifndef M_OPENGL_FONT_H
#define M_OPENGL_FONT_H
#include <string>
#include <map>
#include "opengta.h"
#include "gl_base.h"
#include "gl_texturecache.h"

namespace OpenGL {
  
  class DrawableFont {
    public:
      DrawableFont();
      ~DrawableFont();
      void loadFont(const std::string & filename);
      GLfloat drawString(const std::string & text) ;
      GLfloat drawString_r2l(const std::string & text) ;
      void setScale(unsigned int newScale);
      uint16_t getHeight();
      void resetTextures();
    private:
      void cleanup();
      void clearCached();
      FontQuad* createDrawableCharacter(const char & c);
      OpenGTA::Font  *fontSource;
      std::string    srcName;
      TextureCache<char>   *texCache;
      std::map<char, FontQuad* > drawables; 
      unsigned int scale;
  };
}

#endif