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

   1
   2 #include <algorithm>
   3
   4 #include "approx-equal.h"
   5 #include "remove-last.h"
   6 #include "sp-guide.h"
   7 #include "sp-guide-constraint.h"
   8 #include "sp-item.h"
   9
  10 using std::vector;
  11
  12 void sp_item_rm_unsatisfied_cns(SPItem &item)
  13 {
  14     if (item.constraints.empty()) {
  15         return;
  16     }
  17     std::vector<Inkscape::SnapCandidatePoint> snappoints;
  18     item.getSnappoints(snappoints, NULL);
  19     for (unsigned i = item.constraints.size(); i--;) {
  20         g_assert( i < item.constraints.size() );
  21         SPGuideConstraint const &cn = item.constraints[i];
  22         int const snappoint_ix = cn.snappoint_ix;
  23         g_assert( snappoint_ix < int(snappoints.size()) );
  24         if (!approx_equal( cn.g->getDistanceFrom(snappoints[snappoint_ix].getPoint()), 0) ) {
  25             remove_last(cn.g->attached_items, SPGuideAttachment(&item, cn.snappoint_ix));
  26             g_assert( i < item.constraints.size() );
  27             vector<SPGuideConstraint>::iterator const ei(&item.constraints[i]);
  28             item.constraints.erase(ei);
  29         }
  30     }
  31 }
  32
  33
  34 /*
  35   Local Variables:
  36   mode:c++
  37   c-file-style:"stroustrup"
  38   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  39   indent-tabs-mode:nil
  40   fill-column:99
  41   End:
  42 */
  43 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :