DtOsgWindowPolygonInstance.h

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/****************************************************************************** 
** Copyright (c) 2020 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
 
 
#pragma once
 
#include <vrvOsg/vrvOsg.h>
#include <vrvCore/DtWindowPolygonInstance.h>
#include <osg/Vec2>
#include <osg/Matrix>
namespace makVrv 
{
   class DtDe;
   class DtPolygon;

   class DT_DLL_VRVOSG DtOsgWindowPolygonInstance : public DtWindowPolygonInstance
   {
   public:
      DtOsgWindowPolygonInstance(DtDe& de);

      virtual ~DtOsgWindowPolygonInstance();

      virtual void setVisible(bool isVisible);

      virtual void setFillPattern(unsigned int fillPattern);

      virtual void setNumVertices(unsigned int numVertices);

      virtual void setVertex(int i, double x, double y);

      virtual void setColor(float r,float g,float b,float a);

      virtual void setFill(bool fill);

      virtual bool visible() const;

      virtual void setTransform( DtMatrix3<double> transform );

      virtual void setScale( double x, double y );

      virtual void update();
   protected:
      typedef std::vector<osg::Vec2> VertexList;

      virtual void getCenterOfVertices( osg::Vec2& center );

      virtual void getCenterOfVertices( DtVector2<double>& center );

      virtual void updateGeometry();

      void createPolygon();

      virtual void setClipBox( DtVector2<double> bottomLeftLocation, DtVector2<double> topRightLocation );
   protected:
      DtDe& myDe;
      DtPolygon* myPolygon;
      VertexList myVertices;
      osg::Matrix myTransform;
      double myXScale;
      double myYScale;
      unsigned int myFillPattern;
      float myColorR, myColorG, myColorB, myColorA;
      bool myFill;
      bool myVisible;
      bool myGeometryDirty;
      osg::Vec2 myClipBoxBottomLeft;
      osg::Vec2 myClipBoxTopRight;
   }; 
}