source: branches/pixel-map-branch/src/PixelMap/Scan.hh @ 246

#ifndef SCAN_H
#define SCAN_H

#include <iostream>

class Scan
{
public:
  Scan(){itsY=-1;itsX=-1;itsXLen=0;};
  Scan(long y, long x, long xl){itsY=y; itsX=x; itsXLen=xl;};
  Scan(const Scan& s){itsY=s.itsY; itsX=s.itsX; itsXLen=s.itsXLen;};
  Scan& operator= (const Scan& s){itsY=s.itsY; itsX=s.itsX; itsXLen=s.itsXLen;};
  virtual ~Scan(){};
  void define(long y, long x, long xl){itsY=y; itsX=x; itsXLen=xl;};
  void clear(){itsY=0;itsX=0;itsXLen=0;};
  long getY(){return itsY;};
  void setY(long l){itsY=l;};
  long getX(){return itsX;};
  void setX(long l){itsX=l;};
  long getXlen(){return itsXLen;};
  void setXlen(long l){itsXLen=l;};
  long getXmax(){return itsX+itsXLen-1;};
  void setXmax(long l){itsXLen = l-itsX+1;};
  void growLeft(){itsX--;itsXLen++;};
  void growRight(){itsXLen++;};

  void addOffsets(long xoff, long yoff){itsY+=yoff; itsX+=xoff;};

  bool isInScan(long x, long y);

  friend std::ostream& operator<< ( std::ostream& theStream, Scan& scan);
  friend bool operator< (Scan lhs, Scan rhs);
  friend bool operator== (Scan lhs, Scan rhs);
  friend class Object2D;

private:
  long itsY;
  long itsX;
  long itsXLen;

};

Scan unite(Scan &s1, Scan &s2);
Scan intersect(Scan &s1, Scan &s2);
bool touching(Scan &s1, Scan &s2);
bool overlap(Scan &s1, Scan &s2);
bool adjacent(Scan &scan1, Scan &scan2);
Scan nullScan();

#endif //SCAN_H