src/sp-item-update-cns.cpp

   1
   2 #include "satisfied-guide-cns.h"
   3 #include "sp-guide-constraint.h"
   4 #include <sp-guide.h>
   5 #include <sp-item.h>
   6 using std::find;
   7 using std::vector;
   8
   9 void sp_item_update_cns(SPItem &item, SPDesktop const &desktop)
  10 {
  11     vector<NR::Point> snappoints;
  12     sp_item_snappoints(&item, SnapPointsIter(snappoints));
  13     /* TODO: Implement the ordering. */
  14     vector<SPGuideConstraint> found_cns;
  15     satisfied_guide_cns(desktop, snappoints, found_cns);
  16     /* effic: It might be nice to avoid an n^2 algorithm, but in practice n will be
  17        small enough that it's still usually more efficient. */
  18
  19     for (vector<SPGuideConstraint>::const_iterator fi(found_cns.begin()),
  20              fiEnd(found_cns.end());
  21          fi != fiEnd; ++fi)
  22     {
  23         SPGuideConstraint const &cn = *fi;
  24         if ( find(item.constraints.begin(),
  25                   item.constraints.end(),
  26                   cn)
  27              == item.constraints.end() )
  28         {
  29             item.constraints.push_back(cn);
  30             cn.g->attached_items.push_back(SPGuideAttachment(&item, cn.snappoint_ix));
  31         }
  32     }
  33 }
  34
  35
  36 /*
  37   Local Variables:
  38   mode:c++
  39   c-file-style:"stroustrup"
  40   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  41   indent-tabs-mode:nil
  42   fill-column:99
  43   End:
  44 */
  45 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :