stdr_map_loader.h

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/******************************************************************************
   STDR Simulator - Simple Two DImensional Robot Simulator
   Copyright (C) 2013 STDR Simulator
   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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
   
   Authors : 
   * Manos Tsardoulias, etsardou@gmail.com
   * Aris Thallas, aris.thallas@gmail.com
   * Chris Zalidis, zalidis@gmail.com 
******************************************************************************/

#ifndef STDR_MAP_LOADER
#define STDR_MAP_LOADER

#include "ui_map.h"
#include "stdr_gui/stdr_tools.h"

#define ZOOM_RATIO 1.1

namespace stdr_gui
{
  class CMapLoader : 
    public QWidget, 
    public Ui_mapWidget
  {
    //------------------------------------------------------------------------//
    private:
      int   argc_;
      char**  argv_;
      int   zoom_;
      
      QImage*  internal_img_;
      
      QPoint map_min_;
      
      QPoint map_max_;
      
      QSize initial_image_size_;
      
      QPoint pointUnscaled(QPoint p);
      
      std::pair<int,int> checkDimensions(int w,int h);
      
    //------------------------------------------------------------------------//  
    public:
      
      CMapLoader(int argc, char **argv);
      
      void setInitialImageSize(QSize s);
      
      void resizeEvent(QResizeEvent *e);
      
      void updateImage(QImage *img);
      
      void drawGrid(QImage *img,float resolution);
      
      void updateZoom(QPoint p,bool zoomIn);
      
      void updateCenter(QPoint p);
      
      void moveDirectionally(int key);
      
      void resetZoom(void);
      
      QPoint getGlobalPoint(QPoint p);

  };  
}

#endif