qgsgeorefdatapoint.h

来自「一个非常好的GIS开源新版本」· C头文件 代码 · 共 46 行

/***************************************************************************
     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.                                   *
 *                                                                         *
 ***************************************************************************/
#include "qgsmapcanvasitem.h"


class QgsGeorefDataPoint : public QgsMapCanvasItem
{
  public:
  
    //! constructor
    QgsGeorefDataPoint(QgsMapCanvas* mapCanvas, int id,
                       const QgsPoint& pixelCoords,
                       const QgsPoint& mapCoords);
  
    //! draws point information
    virtual void paint(QPainter* p);
        
    //! handler for manual updating of position and size
    virtual QRectF boundingRect() const;
    
    virtual void updatePosition();
    
    //! returns coordinates of the point
    QgsPoint pixelCoords() { return mPixelCoords; }
    QgsPoint mapCoords() { return mMapCoords; }
    
  private:
    int mId;
    QgsPoint mPixelCoords;
    QgsPoint mMapCoords;
    QSizeF mTextBounds;
};