FaceEntity.h

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#ifndef DIME_FACEENTITY_H
#define DIME_FACEENTITY_H

#include <dime/Basic.h>
#include <dime/entities/Entity.h>
#include <dime/util/Linear.h>

class DIME_DLL_API dimeFaceEntity : public dimeEntity 
{
public:
  bool isQuad() const;
  
  virtual bool getRecord(const int groupcode,
                         dimeParam &param,
                         const int index = 0) const;
  
  void setVertex(const int idx, const dimeVec3f &v);
  void setTriangle(const dimeVec3f &v0, const dimeVec3f &v1,
                   const dimeVec3f &v2);
  void setQuad(const dimeVec3f &v0, const dimeVec3f &v1,
               const dimeVec3f &v2, const dimeVec3f &v3);
  const dimeVec3f &getVertex(const int idx) const;
  void getVertices(dimeVec3f &v0, dimeVec3f &v1,
                   dimeVec3f &v2, dimeVec3f &v3) const;
  
  virtual dxfdouble getThickness() const;
  virtual void getExtrusionDir(dimeVec3f &ed) const;
  
  GeometryType extractGeometry(dimeArray <dimeVec3f> &verts,
                               dimeArray <int> &indices,
                               dimeVec3f &extrusionDir,
                               dxfdouble &thickness);
  
  virtual int typeId() const;
  virtual bool isOfType(const int thetypeid) const;
  virtual int countRecords() const;

protected:

  virtual bool swapQuadCoords() const;
  
  virtual bool handleRecord(const int groupcode, 
                            const dimeParam &param,
                            dimeMemHandler * const memhandler);
  void copyCoords(const dimeFaceEntity * const entity);
  bool writeCoords(dimeOutput * const file);
  
  dimeFaceEntity();
  dimeVec3f coords[4];

}; // class dimeFaceEntity

inline const dimeVec3f &
dimeFaceEntity::getVertex(const int idx) const
{
  assert(idx >= 0 && idx < 4);
  return this->coords[idx]; 
}

inline bool
dimeFaceEntity::isQuad() const
{
  return (coords[2] != coords[3]);
}

inline void 
dimeFaceEntity::setVertex(const int idx, const dimeVec3f &v)
{
  assert(idx >= 0 && idx < 4);
  this->coords[idx] = v;
}

#endif // ! DIME_FACEENTITY_H