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Txq2dPolygon.h

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//---------------------------------------------------------------------------
//
// File:    Txq2dPolygon.h
//
// Purpose:  Draw a polygon on the Txq2dCanvas
//
// Version: $Id: Txq2dPolygon.h,v 1.5 2002/01/17 19:29:21 kgl Exp $
//
// Author:  Kelly G. Luetkemeyer
//
//   modified from the TxPolygon java class:
// Project: Tech-X Foundation Classes
//          David A. Alexander, Svetlana G. Shasharina, John R. Cary
//          Copyright (C) 1998-2000 Tech-X Corporation. All Rights Reserved.
//---------------------------------------------------------------------------

#ifndef TXQ2D_POLYGON_H
#define TXQ2D_POLYGON_H

// Txq includes
#include "Txq2dOutlined.h"

// Qt includes
#include <qrect.h>

class Txq2dPolygon: public Txq2dOutlined {

public: 
  Txq2dPolygon();

  Txq2dPolygon( const std::vector<int> &xpoints, const std::vector<int> &ypoints);
 
  Txq2dPolygon( const std::vector<double> &xpoints, const std::vector<double> &ypoints);
 
  Txq2dPolygon( const std::vector<QPoint> &points);

  virtual ~Txq2dPolygon();

  void resetSegments(); 

  void makePolygon(int cx, int cy);

  void updatePolarArrays(); 

  void addPoint(int x, int y); 

  void addPoint(double x, double y); 

  void setPoints(int x1, int y1, int x2, int y2); 

  void setPoints(double x1, double y1, double x2, double y2);

  void setPoints(QPoint p1, QPoint p2);

  void setPoints( const std::vector<int> &xpoints, const std::vector<int> &ypoints);

  void setPoints( const std::vector<double> &xpoints, const std::vector<double> &ypoints);

  void setPoints( const std::vector<QPoint> &points);

  void clearPoints(); 

  void rotate(double delta); 

  void paint(QPainter *g); 

  void drawPolygon(QPainter *g);

protected:

  void initialize();

  void dump(QTextStream *ts);

private:
 

  struct Polygon {
    QPointArray polyPoints;
    int numPoints;
    QRect rect;
  };

  Polygon polygon;


};
#endif

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