libsegl/glfontengine.h

/* libsegl - Sebas Extended GL Library
 *           Collection of Opengl/3D-Math helpers
 *
 *      Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
 *      http://www.seba-geek.de
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#ifndef __GLFONTENGINE_H
#define __GLFONTENGINE_H

#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <cmath>


#include <SDL.h>
#include <SDL_opengl.h>
#include "gltexture.h"
#include "color.h"

namespace segl {

class GLFont {
	public:
		GLFont(std::string fontfile, float cwdth) {
			charwidth = cwdth;
			font = new GLTexture(fontfile);
		}
		~GLFont() {
			delete(font);
		}
		GLTexture* font;
		float charwidth;
};

class GLFontEngine {
	private:
		static std::map<std::string, GLFont*> fontpool;
		
		GLFont *font;
		bool fontloaded;
		Color col;
// 		float r, g, b, a;
		int fsize;
		
		void init();
	public:
		static bool addFont(std::string fontfile, std::string fontname);
		static void quit();
		
		static void prepare2DbyPushingMatrix();
		static void regain3DbyPoppingMatrix();
		static void paintSDLRect(SDL_Rect);
		
		GLFontEngine();
		GLFontEngine(std::string);
		bool fontSelect(std::string);
		void setColor(float, float, float, float=1.0f);
		void setColor(Color);
		
		void renderText(std::string, SDL_Rect); // wrapper
// 		void renderText(std::string, int x, int y, *SDL_Rect=0, bool center=false);
// 		void renderLines(std::string, int x, int y, 

		void renderLine(std::string, SDL_Rect);
		void renderLine(std::string, int x, int y, bool center=false, SDL_Rect *rendered_to=0);
		void renderLines(std::string, int x, int y, bool center=false, SDL_Rect *rendered_to=0, int wrap=0, int paintbackground=0);
		
		void setSize(int);
		int getSize();
		void getSDLRect(const std::string&, SDL_Rect*);
		int getTextWidth(const std::string&);
		int getTextWidthbyInt(int length);
		
};

} // namespace segl

#endif