wireframe.H

Go to the documentation of this file.

/**********************************************************************
 * wireframe.H:
 **********************************************************************/
#ifndef WIREFRAME_H_IS_INCLUDED
#define WIREFRAME_H_IS_INCLUDED

#include "color_id_texture.H"

/**********************************************************************
 * WireframeTexture:
 *
 *      Draws unlit triangles in wireframe --
 *      i.e. glPolygonMode(GL_LINE)
 **********************************************************************/
class WireframeTexture : public BasicTexture {
 public:
   //******** MANAGERS ********
   WireframeTexture(Patch* patch = 0, CCOLOR& col = default_line_color()) :
      BasicTexture(patch, new GLStripCB),
      _width(0.5),
      _color(col),
      _color_id(new ColorIDTexture(patch, GL_LINE)),
      _quad_diagonals_in_dl(0) {
      _color_id->set_width(5);
   }
   virtual ~WireframeTexture() { gtextures().delete_all(); }

   //******** RUN-TIME TYPE ID ********
   DEFINE_RTTI_METHODS3("Wireframe", WireframeTexture*, BasicTexture, CDATA_ITEM*);

   //******** STATICS ********

   static bool show_quad_diagonals() { return _show_quad_diagonals; }
   static void toggle_show_quad_diagonals() {
      _show_quad_diagonals = !_show_quad_diagonals;
   }

   static CCOLOR& default_line_color() { return _default_line_color; }
   static void    set_default_line_color(CCOLOR& color);

   //******** ACCESSORS ********

   CCOLOR& color()              const   { return _color; }
   float width()                const   { return _width; }
   void  set_width(float w)             { _width = w;    }

   //******** GTexture METHODS ********

   virtual GTexture_list gtextures() const { return GTexture_list(_color_id); }

   virtual int  set_color(CCOLOR& c)    { _color = c; return 1; }
   virtual bool draws_filled()  const   { return false; }
   virtual int  draw(CVIEWptr& v); 

   //******** RefImageClient METHODS ********
   virtual int draw_vis_ref() { return _color_id->draw(VIEW::peek()); }

   //******** DATA_ITEM METHODS ********
   virtual DATA_ITEM  *dup() const { return new WireframeTexture; }

 protected:
   float                _width;
   COLOR                _color;         // color to use
   ColorIDTexture*      _color_id;      // for drawing visibility
   bool                 _quad_diagonals_in_dl;
   static bool          _show_quad_diagonals;
   static COLOR         _default_line_color;
};

#endif // WIREFRAME_H_IS_INCLUDED

// end of file wireframe.H

---