solid_color.C

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/**********************************************************************
 * solid_color.C
 **********************************************************************/

#include "solid_color.H"

/**********************************************************************
 * SolidColorTexture:
 **********************************************************************/

TAGlist*  SolidColorTexture::_solid_color_texture_tags   = NULL;

CTAGlist &
SolidColorTexture::tags() const
{
   if (!_solid_color_texture_tags) {
      _solid_color_texture_tags  = new TAGlist;

      *_solid_color_texture_tags += OGLTexture::tags();

      *_solid_color_texture_tags += new TAG_val<SolidColorTexture,COLOR>(
         "color",
         &SolidColorTexture::color_);
   }
   return *_solid_color_texture_tags;
}
int
SolidColorTexture::draw(CVIEWptr& v)
{
   if (_ctrl)
      return _ctrl->draw(v);

   // push GL state before changing things
   glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT);

   // Set the color
   if (_track_view_color)
      GL_COL(v->color(), _alpha*alpha());
   else 
      GL_COL(_color, _alpha*alpha());

   // try it with the display list:
   if (BasicTexture::draw(v))
      return _patch->num_faces();

   // ensure this never happens again! get a display list:
   int dl = _dl.get_dl(v, 1, _patch->stamp());
   if (dl)
      glNewList(dl, GL_COMPILE);

   glDisable(GL_LIGHTING);      // GL_ENABLE_BIT

   // set up face culling for closed surfaces
   set_face_culling();          // GL_ENABLE_BIT

   // draw the triangle strips
   _patch->draw_tri_strips(_cb);

   // restore gl state:
   glPopAttrib();

   // end the display list here
   if (_dl.dl(v)) {
      _dl.close_dl(v);

      // the display list is built; now execute it
      BasicTexture::draw(v);
   }

   return _patch->num_faces();
}

int
SolidColorTexture::write_stream(ostream& os) const
{
   os << _begin_tag << class_name() << endl << _color << endl << _end_tag;
   return 1;
}

int
SolidColorTexture::read_stream(istream& is, str_list &leftover)
{
   leftover.clear();
   COLOR col;
   is >> col;
   set_color(col);

   return 1;
}

/* end of file solid_color.C */

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