qgsgeorefdatapoint.h

/***************************************************************************
     qgsgeorefdatapoint.h
     --------------------------------------
    Date                 : Sun Sep 16 12:02:56 AKDT 2007
    Copyright            : (C) 2007 by Gary E. Sherman
    Email                : sherman at mrcc dot com
 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
/* $Id$ */
#include "qgsmapcanvasitem.h"

class QgsGCPCanvasItem;

class QgsGeorefDataPoint : public QObject
{
  Q_OBJECT

public:
  //! constructor
  QgsGeorefDataPoint( QgsMapCanvas *srcCanvas, QgsMapCanvas *dstCanvas,
                      const QgsPoint& pixelCoords, const QgsPoint& mapCoords,
                      bool enable );
  QgsGeorefDataPoint(const QgsGeorefDataPoint &p);
  ~QgsGeorefDataPoint();

  //! returns coordinates of the point
  QgsPoint pixelCoords() const { return mPixelCoords; }
  void setPixelCoords(const QgsPoint &p);

  QgsPoint mapCoords() const { return mMapCoords; }
  void setMapCoords(const QgsPoint &p);

  bool isEnabled() const { return mEnabled; };
  void setEnabled(bool enabled);

  int id() { return mId; }
  void setId(int id);

  bool contains(const QPoint &p);

  QgsMapCanvas *srcCanvas() const { return mSrcCanvas; }
  QgsMapCanvas *dstCanvas() const { return mDstCanvas; }

public slots:
  void moveTo(const QPoint &);
  void updateCoords();

private:
  QgsMapCanvas *mSrcCanvas;
  QgsMapCanvas *mDstCanvas;
  QgsGCPCanvasItem *mGCPSourceItem;
  QgsGCPCanvasItem *mGCPDestinationItem;
  QgsPoint mPixelCoords;
  QgsPoint mMapCoords;

  int mId;
  bool mEnabled;
};