/***************************************************************************
 *   Copyright (C) 2004 by Christoph Freundl                               *
 *   Christoph.Freundl@informatik.uni-erlangen.de                          *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "fontfactory.h"
#include <iostream>

namespace SDLwidgets {

FontFactory* FontFactory::_instance = 0;

FontFactory* FontFactory::getInstance() {
	if ( !_instance )
		_instance = new FontFactory;
	return _instance;
}

void FontFactory::deleteInstance() {
	if ( _instance ) delete _instance;
	_instance = 0;
}

FontFactory::FontFactory() {
	_font_path = ".";
	if ( TTF_Init() == -1 )
		throw;
}

FontFactory::~FontFactory() {
	for ( FontMap::iterator font = _font_map.begin();
	      font != _font_map.end(); font++ ) {
		SizeMap* size_map = font->second;
		for ( SizeMap::iterator size = size_map->begin();
		      size != size_map->end(); size++ ) {
			TTF_CloseFont( size->second );
		}
	}
	
	TTF_Quit();
}

TTF_Font* FontFactory::createFont( std::string name, int size ) {
	if ( _font_map.find( name ) == _font_map.end() )
		_font_map[name] = new SizeMap;
	
	SizeMap* size_map = _font_map[name];
	if ( size_map->find( size ) == size_map->end() ) {
		std::string font_file = _font_path + '/' + name;
		std::cerr << "FontFactory::createFont: trying to load font '" <<
				font_file.c_str() << "'\n";
		(*size_map)[size] = TTF_OpenFont( font_file.c_str(), size );
		if( (*size_map)[size] ) {
			std::cerr << "FontFactory::createFont: success\n";
		}
		else {
			std::cerr << "FontFactory::createFont: could not load font '" <<
					font_file.c_str() << "'\n";
		}
	}
	
	return (*size_map)[size];
}

}