DtTexturedLineSegment.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/

#pragma once
#include <vrvGraphics/vrvGraphics.h>
#include <vrvGraphics/DtOverlayResourceProvider.h>
#include <vrvGraphics/DtLineSegmentInterface.h>

namespace makVrv
{
   class DtQuadProxy;
   class DtQuadRenderer;
   class DtOverlayRenderer;   

   class DT_DLL_VRVGRAPHICS DtTexturedLineSegment : public DtLineSegmentInterface
   {
   public:

      DtTexturedLineSegment(DtOverlayRenderer& renderer);

      DtTexturedLineSegment(DtQuadRenderer& renderer);

      virtual ~DtTexturedLineSegment();

      void setGroup(float group);

      int group() const;

      void set2DPosition(unsigned int index0or1, float x, float y);

      //Set the position of the vertex.
      void get2DPosition(unsigned int index0or1, float& x, float& y ) const;

      void set3DPosition(int index0or1,float dx, float dy, float z, float w);

      //Get the 3D position of the line.
      void get3DPosition(int index0or1,float& dx, float& dy, float& z, float& w) const;

      //Set the vertex color.
      void setColor(float r, float g, float b, float a);

      //Get the vertex color.
      void getColor(float& r, float& g, float& b, float& a) const;

      void setWidth(float w);

      float width() const;

      virtual void setTextureParameters(DtOverlayResourceProvider::NativeResourceHandle texture,
         float myTextureWidth, float left = 0.0f, float right = 1.0f,
         float bottom = 0.0f, float top = 1.0f );

      virtual void setZoomFactor(float z);

      virtual void set2DPositions(float x1, float y1, float x2, float y2);

      //Set the vertex color.
      virtual void setColor(unsigned int index0or1,float r, float g, float b, float a);

      //Get the vertex color.
      virtual void getColor(unsigned int index0or1,float& r, float& g, float& b, float& a) const;

      virtual void setColors(float r1, float g1, float b1, float a1,
         float r2, float g2, float b2, float a2);

      virtual void setRotationOffset(float);

   protected:

      virtual void set3DDirection(unsigned int index0or1, float x, float y, float z) {};

      virtual void get3DDirection(unsigned int index0or1, float& x, float& y, float& z) const {};

      virtual void setDirection2DLength(unsigned int index0or1, float length) {};

      virtual float direction2DLength(unsigned int index0or1) const { return 0.0f; };

      virtual void setStippleParameters(unsigned int scale,unsigned short pattern);

      virtual void getStippleParameters(unsigned int& scale, unsigned short& pattern) const;

   protected:
      virtual void resetTextureCoordinates();

   private:

      DtTexturedLineSegment(const DtTexturedLineSegment&);
      DtTexturedLineSegment& operator=(const DtTexturedLineSegment&);

   protected:
      DtQuadProxy* myVertex;
      float myVertices[2][4];
      float my2DVertices[2][2];
      DtOverlayResourceProvider::NativeResourceHandle myTexture;
      float myTextureWidth;
      float myZoomFactor;
      float myRotationOffset;

   protected:
      DtTexturedLineSegment() { myVertex = 0; };
   };

}