C++ (Cpp) CBvert_list::forms_chain Examples

Example #1

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

bool
OVERSKETCH::match_substrip(CPIXEL_list& pts, CBvert_list& chain, EdgeStrip& strip)
{
   err_adv(debug, "OVERSKETCH::match_substrip:");
   if (!chain.forms_chain()) {
      err_adv(debug, "  non-chain");
      return false;
   }

   const double MAX_DIST = 8;

   PIXEL_list chain_path(chain.wpts());

   int k0 = get_near_index(chain_path, pts.front(), MAX_DIST);
   int k1 = get_near_index(chain_path, pts.back(),  MAX_DIST);

   if (!(0 <= k0 && k0 < (int)chain.size() && 0 <= k1 && k1 < (int)chain.size())) {
      err_adv(debug, "  bad k0/k1: %d/%d", k0, k1);
      return false;
   } if (k0 == k1) {
      err_adv(debug, "  bad k0/k1: %d == %d", k0, k1);
      return false;
   }

   make_strip(chain, k0, k1, strip);

   return true;
}