jot: creases_texture.C Source File

00001 /**********************************************************************
00002  * creases_texture.C
00003  **********************************************************************/
00004 
00005 
00006 #include "geom/gl_view.H"
00007 #include "creases_texture.H"
00008 
00009 /**********************************************************************
00010  * CreasesTexture:
00011  **********************************************************************/
00012 int
00013 CreasesTexture::draw(CVIEWptr& v)
00014 {
00015    if (_ctrl)
00016       return _ctrl->draw(v);
00017 
00018    // set line width, init line smoothing, and push attributes:
00019    GL_VIEW::init_line_smooth(GLfloat(v->line_scale()*_width), GL_CURRENT_BIT);
00020 
00021    GL_COL(_color, alpha());     // GL_CURRENT_BIT
00022    glDisable(GL_LIGHTING);      // GL_ENABLE_BIT
00023 
00024    // draw creases (not view-dependent)
00025    if (!BasicTexture::draw(v)) {
00026 
00027       int dl = _dl.get_dl(v, 1, _patch->stamp());
00028       if (dl)
00029          glNewList(dl, GL_COMPILE);
00030 
00031       _patch->draw_crease_strips(_cb);
00032 
00033       // restore gl state:
00034       GL_VIEW::end_line_smooth();
00035 
00036       // end the display list here
00037       if (_dl.dl(v)) {
00038          _dl.close_dl(v);
00039 
00040          // the display list is built; now execute it
00041          BasicTexture::draw(v);
00042       }
00043    }   
00044 
00045    return 1;
00046 }
00047    
00048 /* end of file creases_texture.C */