POVRenderer.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
// $Id: POVRenderer.h,v 1.12.16.1 2007/03/25 21:26:13 oliver Exp $
//

#ifndef BALL_VIEW_RENDERING_RENDERERS_POVRENDERER_H
#define BALL_VIEW_RENDERING_RENDERERS_POVRENDERER_H

#ifndef BALL_VIEW_RENDERING_RENDERERS_RENDERER_H
# include <BALL/VIEW/RENDERING/RENDERERS/renderer.h>
#endif

#ifndef BALL_SYSTEM_FILE_H
# include <BALL/SYSTEM/file.h>
#endif

#ifndef BALL_MATHS_VECTOR3_H
# include <BALL/MATHS/vector3.h>
#endif

#ifndef BALL_MATHS_MATRIX44_H
# include <BALL/MATHS/matrix44.h>
#endif

namespace BALL
{
  namespace VIEW
  {
    class ColorRGBA;
    class ClippingPlane;

    class BALL_VIEW_EXPORT POVRenderer : public Renderer
    {
      public:

      BALL_CREATE(POVRenderer)

      struct POVRendererClippingPlane
      {
        public:
          Vector3 normal;
          float translation;
//           Vector3 translation;
      };


      POVRenderer();

      POVRenderer(const String& name)
        throw(Exception::FileNotFound);
      
      // Only for Python
      POVRenderer(const POVRenderer& renderer);


      virtual ~POVRenderer();

      virtual void clear();



      void setFileName(const String& name)
        throw(Exception::FileNotFound);

      void setOstream(std::ostream& out_stream);

      void setHumanReadable(bool state)
        { human_readable_ = state;}

      bool isHumanReadable() const
        { return human_readable_;}

      String POVColorRGBA(const ColorRGBA& input);

      String POVFinish(const String& object, const ColorRGBA& input);

      String POVVector3(Vector3 input);

      virtual bool renderOneRepresentation(const Representation& representation);

      

      using Renderer::init;

      virtual bool init(const Stage& stage, float width, float height);

      virtual bool finish();

      void renderSphere_(const Sphere& sphere);
      
      void renderDisc_(const Disc& disc);

      void renderTube_(const Tube& tube);

      void renderTwoColoredTube_(const TwoColoredTube& tube);

      void renderMesh_(const Mesh& mesh);

      void renderTwoColoredLine_(const TwoColoredLine& line);

      void renderLine_(const Line& line);

      void renderPoint_(const Point& point);

      // do nothing
      void renderLabel_(const Label&);
      
      virtual void renderMultiLine_(const MultiLine& line);


      protected:

        const ColorRGBA& getColor_(const GeometricObject& object);
      
        std::ostream* outfile_;
        String trimFloatValue_(float value);
        void storeColor_(const GeometricObject& object);
        String getColorIndex_(const ColorRGBA& color);

        Vector3   origin_;
        Matrix4x4 rotation_;
        vector<ClippingPlane*> clipping_planes_;
        bool human_readable_;

        typedef HashMap<String, Size> ColorMap;
        ColorMap color_map_;
        vector<const Representation*> representations_;
        HashSet<const Mesh*> wireframes_;
        HashSet<String> color_strings_;
        String font_file_;
        double m_[12];
        Position color_index_;
    };
  
  } // namespace BALL
} // namespace VIEW

#endif // BALL_VIEW_RENDERING_POVRENDERER_H