C++ (Cpp) DEVice_2d::old Examples

Example #1

File: cam_pz.cpp Project: QuLogic/jot-lib

int
Cam_int::zoom2(
   CEvent &e,
   State *&
   )
{
   if (debug_fsa)
      cerr << "Cam_int::zoom2"
           << endl;

   DEVice_2d  *ptr =  (DEVice_2d *)e._d;
   CAMptr      cam    (e.view()->cam());
   PIXEL       curpt  (ptr->cur());
   XYpt        startpt(_start_pix);
   int w,h;    e.view()->get_size(w,h);

   double zoom_factor =  1 + Sign(ptr->delta()[0]) * 
      (PIXEL(ptr->cur())-PIXEL(ptr->old())).length()/(w/4);

   cam->set_zoom(cam->zoom() * zoom_factor);
   cam->set_min (cam->min() + NDCvec(XYpt(_start_pix) - startpt));

   ptr->set_cur(curpt);
   cam->data()->changed();
   
   return 0;
}

Example #2

File: manip.C Project: Benignoperez/jot-lib

int
FilmTrans::move(
   CEvent &e,
   State *&
   )
{
   DEVice_2d* ptr = dynamic_cast<DEVice_2d*>(e._d);
   assert(ptr);
   if (_obj) {
      Wpt cur(Wpt(ptr->cur(),_down_pt));
      Wpt old(Wpt(ptr->old(),_down_pt));
      _obj->mult_by(Wtransf::translation(cur-old));
      if (_call_xform_obs)
         XFORMobs::notify_xform_obs(_obj, XFORMobs::MIDDLE);
   }

   return 0;
}