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#ifndef SCANNER_PROVIDER_H
#define SCANNER_PROVIDER_H
#include <cstdlib>
#include "directionalscanner.h"
using namespace std;
/**
* @class ScannerProvider scannerprovider.h
* \brief Directional scanner provider.
* Provides ad-hoc directional scanners in the relevant octant
* and according to static or dynamical needs.
* \author {P. Even}
*/
class ScannerProvider
{
public:
/**
* @fn ScannerProvider()
* \brief Builds a directional scanner provider.
*/
ScannerProvider () : isOrtho (false) { }
/**
* @fn getScanner(Pt2i p1, Pt2i p2,
* int xmin, int xmax, int ymin, int ymax)
* \brief Returns an incremental directional scanner.
* Returns a directional scanner from two control points.
* The scan strip is composed of parallel scan lines, the first one being
* defined by control points p1 and p2.
* @param p1 Start control point.
* @param p2 End control point.
* @param xmin Left border of the scan area.
* @param xmax Right border of the scan area.
* @param ymin Low border of the scan area.
* @param ymax Up border of the scan area.
*/
DirectionalScanner *getScanner (Pt2i p1, Pt2i p2,
int xmin, int xmax, int ymin, int ymax);
/**
* @fn getScanner(Pt2i p1, Pt2i p2, Pt2i v1, Pt2i v2,
* int xmin, int ymin, nt xmax, int ymax)
* \brief Returns an incremental directional scanner.
* Returns a directional scanner from two points and direction v1 -> v2.
* The scan strip is composed of parallel scan lines, centered on the middle
* of (p1,p2) and aligned on (v1,v2).
* @param p1 start control point
* @param p2 end control point
* @param v1 direction start point
* @param v2 direction end point
* @param xmin left border of the scan area
* @param xmax right border of the scan area
* @param ymin low border of the scan area
* @param ymax up border of the scan area
*/
DirectionalScanner *getScanner (Pt2i p1, Pt2i p2,
Pt2i v1, Pt2i v2,
int xmin, int ymin, int xmax, int ymax);
/**
* @fn getScanner(Pt2i centre, Vr2i normal, int length,
* int xmin, int ymin, nt xmax, int ymax)
* \brief Returns an incremental directional scanner.
* Returns a directional scanner from two points and direction v1 -> v2.
* The scan strip is composed of parallel scan lines, centered on the middle
* of (p1,p2) and aligned on (v1,v2).
* @param centre central point
* @param normal scan strip normal vector
* @param length length of a scan line
* @param xmin left border of the scan area
* @param xmax right border of the scan area
* @param ymin low border of the scan area
* @param ymax up border of the scan area
*/
DirectionalScanner *getScanner (Pt2i centre, Vr2i normal, int length,
int xmin, int ymin, int xmax, int ymax);
/**
* @fn getScanner(Pt2i centre, Vr2i normal, int length, bool controlable,
* int xmin, int ymin, nt xmax, int ymax)
* \brief Returns an incremental directional scanner.
* Returns a directional scanner from two points and direction v1 -> v2.
* The scan strip is composed of parallel scan lines, centered on the middle
* of (p1,p2) and aligned on (v1,v2).
* @param centre central point
* @param normal scan strip normal vector
* @param controlable controlability request (true for a dynamical scanner)
* @param xmin left border of the scan area
* @param xmax right border of the scan area
* @param ymin low border of the scan area
* @param ymax up border of the scan area
*/
DirectionalScanner *getScanner (Pt2i centre, Vr2i normal,
int length, bool controlable,
int xmin, int ymin, int xmax, int ymax);
/**
* @fn setOrtho(bool status)
* \brief Sets the orthogonal scanner modality.
* @param status new status for the orthogonal scanner modality.
*/
inline void setOrtho (bool status) { isOrtho = status; }
private:
/** Orthogonal scanner modality. */
bool isOrtho;
};
#endif