tmmemoryzoom.h

/***************************************************************************
 tmmemoryzoom.h
 Store Previous Zoom in memory
 -------------------
 copyright : (C) 2009 CREALP Lucien Schreiber
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef _TM_MEMORYZOOM_H_
#define _TM_MEMORYZOOM_H_
 
// For compilers that support precompilation, includes "wx/wx.h".
#include <wx/wxprec.h>
 
// Include wxWidgets' headers
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
#include <wx/graphics.h>
 
/***************************************************************************/ 
class tmZoomExtent {
  public:
    wxPoint2DDouble m_TopLeftPosition;
    double m_ZoomFactor;
 
    tmZoomExtent();
 
    tmZoomExtent(double top, double left, double pixelsize);
 
    ~tmZoomExtent();
 
    bool operator==(const tmZoomExtent& zoom) const;
 
    bool IsOk();
};
 
WX_DECLARE_OBJARRAY(tmZoomExtent, tmArrayZoomExtent);
 
/***************************************************************************/ 
class tmMemoryZoomManager : public wxEvtHandler {
  private:
    tmArrayZoomExtent m_ZoomExtents;
    int m_MaxSize;
 
  public:
    tmMemoryZoomManager(int maxsize = 50);
 
    ~tmMemoryZoomManager();
 
    bool Add(const tmZoomExtent& value);
 
    bool Add(double top, double left, double zoomfactor);
 
    int GetCount();
 
    bool GetPrevious(tmZoomExtent& extent);
 
    void Clear();
};
 
// TODO: Ajouter dans tmLayerManager
/*
class tmLayerManager {
  private:
    tmMemoryZoomManager * m_ZoomManager;
 
    void _ZoomChanged();
 
 
  public:
    void OnZoomPrevious(const wxCommandEvent & event);
 
};*/
#endif