Triangulation.h

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/***************************************************************************
                          Triangulation.h  -  description
                             -------------------
    copyright            : (C) 2004 by Marco Hugentobler
    email                : [email protected]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef TRIANGULATION_H
#define TRIANGULATION_H

#include <QList>
#include "Line3D.h"
#include "Vector3D.h"
#include <qpainter.h>
#include <TriangleInterpolator.h>

class ANALYSIS_EXPORT Triangulation
{
  public:
    enum forcedCrossBehaviour
    {
      SnappingType_VERTICE,  
      DELETE_FIRST,          
      INSERT_VERTICE
    };
    virtual ~Triangulation();

    virtual void addLine( Line3D* line, bool breakline ) = 0;

    virtual int addPoint( Point3D* p ) = 0;

    virtual bool calcNormal( double x, double y, Vector3D* result ) = 0;

    virtual void performConsistencyTest() = 0;

    virtual bool calcPoint( double x, double y, Point3D* result ) = 0;

    virtual Point3D* getPoint( unsigned int i ) const = 0;

    virtual bool getTriangle( double x, double y, Point3D* p1, int* n1, Point3D* p2, int* n2, Point3D* p3, int* n3 ) = 0;

    virtual bool getTriangle( double x, double y, Point3D* p1, Point3D* p2, Point3D* p3 ) = 0;

    virtual int getOppositePoint( int p1, int p2 ) = 0;

    virtual double getXMax() const = 0;

    virtual double getXMin() const = 0;

    virtual double getYMax() const = 0;

    virtual double getYMin() const = 0;

    virtual int getNumberOfPoints() const = 0;

    virtual QList<int>* getSurroundingTriangles( int pointno ) = 0;

    virtual QList<int>* getPointsAroundEdge( double x, double y ) = 0;

    //virtual void draw(QPainter* p, double xlowleft, double ylowleft, double xupright, double yupright, double width, double height) const=0;

    virtual void setForcedCrossBehaviour( Triangulation::forcedCrossBehaviour b ) = 0;

    virtual void setEdgeColor( int r, int g, int b ) = 0;

    virtual void setForcedEdgeColor( int r, int g, int b ) = 0;

    virtual void setBreakEdgeColor( int r, int g, int b ) = 0;

    virtual void setTriangleInterpolator( TriangleInterpolator* interpolator ) = 0;

    virtual void eliminateHorizontalTriangles() = 0;

    virtual void ruppertRefinement() = 0;

    virtual bool pointInside( double x, double y ) = 0;

    //virtual bool readFromTAFF(QString fileName)=0;

    //virtual bool saveToTAFF(QString fileName) const=0;

    virtual bool swapEdge( double x, double y ) = 0;

    virtual bool saveAsShapefile( const QString& fileName ) const = 0;
};

inline Triangulation::~Triangulation()
{

}

#endif