gmElement.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_ELEMENT_H_
#define _GEMA_ELEMENT_H_

#include "gmCell.h"
#include "gmShape.h"

class GmGaussAccessor;
class GmIntegrationRule;

class GMC_API_EXPORT GmElement : public GmCell
{
public:
  virtual const GmShape* shape() const { return GmShape::shapeFromElementType(type(), 0, 0); }

  virtual const GmShape* linearShape() const { return GmShape::linearShapeFromElementType(type(), 0, 0); }

  virtual void naturalCenter(GmVector& coord) const
  {
    shape()->naturalCenter(coord);
  }

  virtual void borderNormal(const GmValueAccessor* nodeAccessor, int border, const GmVector* coord, GmVector& n) const;

  virtual bool borderNormalIsConstant(int border) const;

  virtual void borderTangent(const GmValueAccessor* nodeAccessor, int border, GmVector& t) const;
};

class GMC_API_EXPORT GmHElement: public GmElement
{
public:
  virtual int hPOrder() const = 0;

  virtual int hQOrder() const = 0;

  virtual GmCellGeometry geometry() const { return GmCellGeometry(type(), hPOrder(), hQOrder()); }

  virtual const GmShape* shape() const { return GmShape::shapeFromElementType(type(), hPOrder(), hQOrder()); }

  virtual const GmShape* linearShape() const { return GmShape::linearShapeFromElementType(type(), hPOrder(), hQOrder()); }
};

#endif