src/sp-item-rm-unsatisfied-cns.cpp

   1
   2 #include <approx-equal.h>
   3 #include <remove-last.h>
   4 #include <sp-guide.h>
   5 #include <sp-guide-constraint.h>
   6 #include <sp-item.h>
   7 using std::vector;
   8
   9 void sp_item_rm_unsatisfied_cns(SPItem &item)
  10 {
  11     if (item.constraints.empty()) {
  12         return;
  13     }
  14     vector<NR::Point> snappoints;
  15     sp_item_snappoints(&item, true, SnapPointsIter(snappoints));
  16     for (unsigned i = item.constraints.size(); i--;) {
  17         g_assert( i < item.constraints.size() );
  18         SPGuideConstraint const &cn = item.constraints[i];
  19         int const snappoint_ix = cn.snappoint_ix;
  20         g_assert( snappoint_ix < int(snappoints.size()) );
  21         if (!approx_equal(dot(cn.g->normal, snappoints[snappoint_ix]), cn.g->position)) {
  22             remove_last(cn.g->attached_items, SPGuideAttachment(&item, cn.snappoint_ix));
  23             g_assert( i < item.constraints.size() );
  24             vector<SPGuideConstraint>::iterator const ei(&item.constraints[i]);
  25             item.constraints.erase(ei);
  26         }
  27     }
  28 }
  29
  30
  31 /*
  32   Local Variables:
  33   mode:c++
  34   c-file-style:"stroustrup"
  35   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  36   indent-tabs-mode:nil
  37   fill-column:99
  38   End:
  39 */
  40 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :