gre/3ddc.h

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#ifndef  INC_GRE_3DDC_H
#define  INC_GRE_3DDC_H

#ifndef  INC_GRE_3DUTILS_H
#include <gre/3dutils.h>
#endif

#ifndef  INC_GRE_3DSCENE_H
#include <gre/3dscene.h>
#endif

#ifndef  INC_MI32_FILLPOLY_H
#include <mi32/fillpoly.h>
#endif

#ifndef  INC_MI32_POLYLINE_H
#include <mi32/polyline.h>
#endif

#ifndef  INC_MI32_MGD2_H
#include <mi32/mgd2.h>
#endif


namespace GRE {

class DRAWINGCONTEXT3D {
   public:

      DRAWINGCONTEXT3D ();

      virtual ~DRAWINGCONTEXT3D ();

      void DrawBegin (
         SCENE3D* scene,
         MGD::CONTEXT* context 
         );

      void DrawEnd ();

      void DrawPoint (
         const DPOINT3D& point
         );

      void DrawLine (
         const DPOINT3D& begin,
         const DPOINT3D& end
         );

      void DrawTriangles (    
         const TRIANGULATIONVECTOR& triangulations
         );

      void DrawPixels (    
         const PIXALIZATIONVECTOR& pixalizations
         );

      void RenderPixel (
         const INT32 col, 
         const INT32 lin, 
         const double z
         ); 

      void SetColor (
         const COLOR& color
         ) { if (m_Context != 0) m_Context->SetColor(color); }

      SCENE3D* GetScene (
         ) { return m_Scene; }

      double GetPixelSizeInMM (
         ) const;

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT

      class SPAN : public FILLPOLYGON::SPAN {
         public:

            SPAN (
               DRAWINGCONTEXT3D *dc3d
               ) :
               m_DC3D(dc3d)
               { }

         private:

            void VProcess (
               const double x1, 
               const double x2, 
               const double y
               );

            SPAN (
               );

            DRAWINGCONTEXT3D *m_DC3D;
         };

      friend class SPAN;

      MGD::CONTEXT *m_Context; 
      SCENE3D *m_Scene;

      TRIANGULATION *m_Triangulation;

      DOUBLE_ARRAY<DPOINT3DH> m_Vertices;
      DOUBLE_ARRAY<DPOINT3DH> m_Points;

      DOUBLE_ARRAY<DPOINT3DH> m_TempPoints;
      POLYLINE m_Polyline;

      SCREENPLANE m_ScreenPlane;

      void FillSpan (const INT32 col1, const INT32 col2, const INT32 lin);
      void FillSolidSpan (const INT32 col1, const INT32 col2, const INT32 lin);
      void FillPointsFieldSpan (const INT32 col1, const INT32 col2, const INT32 lin);

      void DrawTINWireframe (const TRIANGULATION *triangulation);
      void DrawTINSolid (const TRIANGULATION *triangulation);

      void DrawStripWireframe (const TRIANGULATION *triangulation);
      void DrawStripSolid (const TRIANGULATION *triangulation);

      void DrawFanWireframe (const TRIANGULATION *triangulation);
      void DrawFanSolid (const TRIANGULATION *triangulation);

      void DrawTexturizedPixels (const PIXALIZATION *pixalization);
      void DrawColoredPixels (const PIXALIZATION *pixalization);
      void DrawPointsFieldPixels (const PIXALIZATION *pixalization);
      void DrawBitmapPixels (const PIXALIZATION *pixalization);

      #endif  // GENERATING_DOXYGEN_OUTPUT
   };

}     // End of namespace

#endif

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