/* 
 * TTF example. (incomplete class)
 * Author: Camilo Menay
 * 2008
 * 
 */

#ifndef ENGINE_GRAPHICS_TEXTWRITTER_H_
#define ENGINE_GRAPHICS_TEXTWRITTER_H_

#include "headers.h"
///Class that write in a surface, you can select color, style and the font type.
/**
 * 
 *  SDL text writter class. Needs SDL_ttf.
 * 
 */
class Engine_Graphics_TextWritter
{
public:
	
	/**
	 * 
	 *  A constructor. The font load some initial values.
	 * That might be changed then (not fully implemented).
	 * @param srf an SDL surface, writting destination.
	 * 
	 */
	Engine_Graphics_TextWritter(SDL_Surface* srf) {
		
		
		//TTF engine
			if (TTF_Init() == -1) {
			  printf("Fallo al inicializar SDL_TTF");
			  exit(-1);
			}
			
			surface=srf;
			SetFont();
			SetFontStyle();
			SetColor();
		
	}
	
	/**
	 * 
	 *  Same as above, but didn't take any particular surface, it 
	 *  tries to get the actual video surface.
	 */
	Engine_Graphics_TextWritter() {
			
			
			//TTF engine
				if (TTF_Init() == -1) {
				  printf("Fallo al inicializar SDL_TTF");
				  exit(-1);
				}
				
				surface= SDL_GetVideoSurface();
				SetFont();
				SetFontStyle();
				SetColor();	
		}
	/**
	 *   Destructor. Should close TTF.
	 */
	~Engine_Graphics_TextWritter() {
		
		TTF_Quit();
		
	}
	
		/**
		 *  Set the font properties. Overloaded so you dont need to give full parameters.
		 *  Without parameters, it load the DEFAULT values.
		 */
		void SetFont();
		void SetFont(char *filename,int size);
		void SetFont(int size);
		void SetFont(char *filename);
		
		
		/**
		 *   Font style. 
		 * Without parameters load a default value. 
		 */
		void SetFontStyle();
		void SetFontStyle(int style);
		
		
		/**
		 * 
		 *  Font color.
		 *  Default color is red.
		 */
		void SetColor(){
			
			FontColor = (SDL_Color) {255,100,100,255};
			
		}
		/**
		 * 
		 * Sets an specific color.
		 * @param r as an integer. Red level.
		 * @param g as an integer. Green level.
		 * @param b as an integer. Blue level.
		 * @param u unused.
		 * 	
		 */
		void SetColor(int r,int g,int b,int u)
		{
			FontColor = (SDL_Color) {r,g,b,u};
		}
		
		
		/**
		 * Write text in the surface, at specific location.
		 * Parameters are not checked (should be).
		 */
		void TextWrite(const char* string,int posx,int posy,int sizex,int sizey);
		
		/**
		 *  Gets the actual surface.
		 */
		SDL_Surface* getSurface()
		{
			return surface;
		}
private:
	
		TTF_Font* font;
		SDL_Color FontColor;
		SDL_Surface* surface;
		
};

#endif /*ENGINE_GRAPHICS_TEXTWRITTER_H_*/