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// MeshEdge.h: interface for the CMeshEdge class.
// Copyright (c) 2009, Dan Heeks
// This program is released under the BSD license. See the file COPYING for details.
#pragma once
#include "MeshChild.h"
#include "MeshPosition.h"
class CMeshVertex;
class CMeshFace;
class CMesh;
class CMeshEdge:public CMeshChild
void split_bezier_line(int level, const Point& vt0, const Point& vt2, const Point& vt02, const Point& vt20, void(*call_back)(const Point& vt0, const Point& vt1));
CMeshVertex* m_v[2];
CMeshPosition m_c[2]; // control points
CMeshFace* m_f[2];
CMeshEdge(CMeshVertex* v0, CMeshVertex* v1, const CMeshPosition& c0, const CMeshPosition& c1, CMesh* owner);
virtual ~CMeshEdge();
// HeeksObj's virtual functions
int GetType()const{return MeshEdgeType;}
const wxChar* GetTypeString(void)const{return _("Mesh Edge");}
HeeksObj *MakeACopy(void)const;
const wxBitmap &GetIcon();
void GetTools(std::list<Tool*>* t_list, const wxPoint* p);
void GetGripperPositions(std::list<GripData> *list, bool just_for_endof);
bool Stretch(const double *p, const double* shift, void* data);
bool StretchTemporary(const double *p, const double* shift, void* data);
// member functions
void MakeSureDisplayListExists();
void GetSmoothLines(void(*call_back)(const Point& vt0, const Point& vt1));
void InvalidateBothFacesDisplayLists();
void Split();
CMeshPosition& GetControlPointNearVertex(CMeshVertex* v);
CMeshPosition& GetControlPointAwayFromVertex(CMeshVertex* v);
const Point& GetMidPoint();
Point get_direction_at_vertex(const CMeshVertex* v);
void set_direction_at_vertex(const CMeshVertex* vt, const Point& v);
Point get_av_face_pair_normal();
void DrawGripperSelectItems();
// old function using old smoothing code
static Point get_point_on_smooth_edge(double param, const Point& xa, const Point& xb, const Point& va, const Point& vb, double vfactor, Point* dir);
static Point evaluate_bezier_curve(double param, const Point& p0, const Point& p1, const Point& p2, const Point& p3, Point* dir);