YarnSection.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 "Mesh.h"
#include "Section.h"
 
namespace TexGen
{
    using namespace std;
 
    class CSection;
    class CYarnSectionConstant;
    class CYarnSectionInterpNode;
    class CYarnSectionInterpPosition;
 
    struct CLASS_DECLSPEC YARN_POSITION_INFORMATION
    {
        double dSectionPosition;    
        int iSection;   
        vector<double> SectionLengths;  
 
        double GetYarnPosition() const;
        YARN_POSITION_INFORMATION()
        {
            dSectionPosition = 0;
            iSection = 0;
        }
    };
 
 
    class CLASS_DECLSPEC CYarnSection
    {
    public:
        CYarnSection(bool bConstMesh = true);
        CYarnSection(TiXmlElement &Element);
        virtual ~CYarnSection(void);
        bool m_bForceEqualMeshLayers; 
 
 
        virtual CYarnSection* Copy() const = 0;
 
        virtual string GetType() const = 0;
 
        static CObjectContainer<CYarnSection> CreateYarnSection(TiXmlElement &Element);
 
        virtual void PopulateTiXmlElement(TiXmlElement &Element, OUTPUT_TYPE OutputType) const;
 
 
        virtual vector<XY> GetSection(const YARN_POSITION_INFORMATION PositionInfo, int iNumPoints, bool bEquiSpaced = false) const = 0;
 
        virtual CMesh GetSectionMesh(const YARN_POSITION_INFORMATION PositionInfo, int iNumPoints, bool bEquiSpaced) const = 0;
 
        virtual void SetSectionMeshLayersEqual( int iNumPoints ) const {return;}
 
        bool GetForceMeshLayers() const {return m_bForceEqualMeshLayers;}
 
 
        CYarnSectionConstant* GetSectionConstant();
        CYarnSectionInterpNode* GetSectionInterpNode();
        CYarnSectionInterpPosition* GetSectionInterpPosition();
 
    protected:
    };
 
};  // namespace TexGen