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extremetuxracer  0.5beta
alignment.h
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00001 /* 
00002  * Copyright (C) 2005 Volker Stroebel <volker@planetpenguin.de>
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License
00006  * as published by the Free Software Foundation; either version 2
00007  * of the License, or (at your option) any later version.
00008  * 
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  * 
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00017  */
00018  
00019 #ifndef _PP_ALIGNMENT_H
00020 #define _PP_ALIGNMENT_H
00021 
00022 #include "alg/vec2d.h"
00023 
00024 namespace pp{
00025 
00027 class Alignment
00028 {
00029 private:
00030        float m_horizontal;
00031        float m_vertical;
00032        
00034        void checkHorizontal();
00035 
00037        void checkVertical();
00038 
00039 public:
00040        Alignment(float horizontal=0.0f, float vertical=0.0f);
00041        
00042        void left()          { m_horizontal=0.0f; }; 
00043        void right()  { m_horizontal=1.0f; }; 
00044        void center() { m_horizontal=0.5f; }; 
00045        void bottom() { m_vertical=0.0f; };   
00046        void top()           { m_vertical=1.0f; };   
00047        void middle() { m_vertical=0.5f; };       
00048 
00049        void setHorizontal(float horizontal);
00050        void setVertical(float vertical);
00051        void set(float horizontal, float vertical);      
00052        
00053        pp::Vec2d alignPosition(const pp::Vec2d &position, const pp::Vec2d &size) const;
00054        
00055 };
00056 
00057        
00058 } //namespace pp
00059 
00060 #endif // PP_ALIGNMENT_H_