Section.h

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/*=============================================================================
TexGen: Geometric textile modeller.
Copyright (C) 2006 Martin Sherburn
 
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.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
=============================================================================*/
 
#pragma once
#include "SectionMeshTriangulate.h"
#include "SectionMeshRectangular.h"
#include "SectionMeshRectangleSection.h"
 
namespace TexGen
{ 
    using namespace std;
 
    class CLASS_DECLSPEC CSection
    {
    friend class CSectionHybrid;
    friend class CSectionRotated;
    friend class CSectionScaled;
    public:
        CSection();
        CSection(TiXmlElement &Element);
        virtual ~CSection(void);
 
        virtual bool operator == (const CSection &CompareMe) const = 0;
        
        virtual CSection* Copy() const = 0;
 
        static CObjectContainer<CSection> CreateSection(TiXmlElement &Element);
 
        virtual void PopulateTiXmlElement(TiXmlElement &Element, OUTPUT_TYPE OutputType) const;
 
 
        virtual const vector<XY> &GetPoints(int iNumPoints, bool bEquiSpaced = false) const;
 
        const CMesh &GetMesh(int iNumPoints, bool bEquiSpaced = true) const;
 
        static double GetArea(const vector<XY> &Section);
 
        static double GetCircumference(const vector<XY> &Section);
 
    //  double GetCircumference();
 
        void AssignSectionMesh(const CSectionMesh &SectionMesh);
 
        virtual string GetDefaultName() const = 0;
 
        virtual string GetType() const = 0;
 
        virtual string GetBaseType() const { return "";}
 
        void SetSectionMeshLayers( int iNum );
 
        int GetSectionMeshLayers();
 
 
        virtual XY GetPoint(double t) const = 0;
    protected:
        
 
 
        void CreateSection(int iNumPoints) const;
 
        bool CreateEquiSpacedSection(int iNumPoints) const;
 
        mutable vector<XY> m_EdgePoints;
 
        mutable bool m_bEquiSpaced;
 
        CObjectContainer<CSectionMesh> m_pSectionMesh;
 
    private:
        void AssignDefaults();
    };
 
};  // namespace TexGen