libsegl/gltexture.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 __GLTEXTUR_H
#define __GLTEXTUR_H

#include <iostream>
#include <string>
#include <vector>
#include <SDL.h>
#include <SDL_image.h>
#include <SDL_opengl.h>
#include "sdlfuncs.h"

namespace segl {

class GLTexture {
	private:
		GLuint texint;
		SDL_Surface *tex;
		int width, height;
		
		std::string filename; // wenn von datei geladen
		
		// Parameter
		GLint minfilter;
		GLint magfilter;
		GLint wraps;
		GLint wrapt;
		
		bool loaded;
		bool texconverted;
		bool keepsurface;
		bool donotreload;
		
		void init();
		bool loadLocalSurface();
		void convertLocalSurface();
		
		static std::vector<GLTexture*> alltextures;
	protected:
		GLTexture(SDL_Surface*);
		bool loadSurface(SDL_Surface*, bool = false);
	public:
		static void reloadAll();
	
		GLTexture();
		GLTexture(std::string, GLint=GL_LINEAR, GLint=GL_LINEAR, GLint=GL_REPEAT, GLint=GL_REPEAT);
		~GLTexture();

		//load
		
		bool loadImage(std::string);
		
		bool selectTexture();
		void unloadTexture();
		bool setParameter(GLint=0, GLint=0, GLint=0, GLint=0);
		inline bool select() { return selectTexture(); }
		
		int getW();
		int getH();
		

		
		bool isLoaded();
};

} // namespace segl

#endif