diff options
Diffstat (limited to 'src/snap.cpp')
| -rw-r--r-- | src/snap.cpp | 56 |
1 files changed, 48 insertions, 8 deletions
diff --git a/src/snap.cpp b/src/snap.cpp index 79f398cc5..85d2fd5af 100644 --- a/src/snap.cpp +++ b/src/snap.cpp @@ -22,6 +22,7 @@ #include "sp-namedview.h" #include "snap.h" +#include "snap-enums.h" #include "snapped-line.h" #include "snapped-curve.h" @@ -682,7 +683,7 @@ Inkscape::SnappedPoint SnapManager::_snapTransformed( Geom::Point const &transformation, Geom::Point const &origin, Geom::Dim2 dim, - bool uniform) const + bool uniform) { /* We have a list of points, which we are proposing to transform in some way. We need to see ** if any of these points, when transformed, snap to anything. If they do, we return the @@ -734,6 +735,12 @@ Inkscape::SnappedPoint SnapManager::_snapTransformed( g_warning("Unconstrained rotation is not supported!"); } + // We will try to snap a set of points, but we don't want to have a snap indicator displayed + // for each of them. That's why it's temporarily disabled here, and re-enabled again after we + // have finished calling the freeSnap() and constrainedSnap() methods + bool _orig_snapindicator_status = _snapindicator; + _snapindicator = false; + std::vector<Inkscape::SnapCandidatePoint>::iterator j = transformed_points.begin(); // std::cout << std::endl; @@ -802,6 +809,9 @@ Inkscape::SnappedPoint SnapManager::_snapTransformed( // std::cout << "dist = " << snapped_point.getSnapDistance() << std::endl; snapped_point.setPointerDistance(Geom::L2(pointer - (*i).getPoint())); + // Allow the snapindicator to be displayed again + _snapindicator = _orig_snapindicator_status; + Geom::Point result; /*Find the transformation that describes where the snapped point has @@ -891,6 +901,7 @@ Inkscape::SnappedPoint SnapManager::_snapTransformed( if (snapped_point.getSnapped()) { // We snapped; keep track of the best snap + // TODO: Compare the transformations instead of the snap points; we should be looking for the closest transformation if (best_snapped_point.isOtherSnapBetter(snapped_point, true)) { best_transformation = result; best_snapped_point = snapped_point; @@ -932,6 +943,15 @@ Inkscape::SnappedPoint SnapManager::_snapTransformed( // Using " < 1e6" instead of " < NR_HUGE" for catching some rounding errors // These rounding errors might be caused by NRRects, see bug #1584301 best_snapped_point.setSnapDistance(best_metric < 1e6 ? best_metric : NR_HUGE); + + if (_snapindicator) { + if (best_snapped_point.getSnapped()) { + _desktop->snapindicator->set_new_snaptarget(best_snapped_point); + } else { + _desktop->snapindicator->remove_snaptarget(); + } + } + return best_snapped_point; } @@ -947,7 +967,7 @@ Inkscape::SnappedPoint SnapManager::_snapTransformed( Inkscape::SnappedPoint SnapManager::freeSnapTranslate(std::vector<Inkscape::SnapCandidatePoint> const &p, Geom::Point const &pointer, - Geom::Point const &tr) const + Geom::Point const &tr) { Inkscape::SnappedPoint result = _snapTransformed(p, pointer, false, Geom::Point(0,0), TRANSLATE, tr, Geom::Point(0,0), Geom::X, false); @@ -971,7 +991,7 @@ Inkscape::SnappedPoint SnapManager::freeSnapTranslate(std::vector<Inkscape::Snap Inkscape::SnappedPoint SnapManager::constrainedSnapTranslate(std::vector<Inkscape::SnapCandidatePoint> const &p, Geom::Point const &pointer, Inkscape::Snapper::SnapConstraint const &constraint, - Geom::Point const &tr) const + Geom::Point const &tr) { Inkscape::SnappedPoint result = _snapTransformed(p, pointer, true, constraint, TRANSLATE, tr, Geom::Point(0,0), Geom::X, false); @@ -996,7 +1016,7 @@ Inkscape::SnappedPoint SnapManager::constrainedSnapTranslate(std::vector<Inkscap Inkscape::SnappedPoint SnapManager::freeSnapScale(std::vector<Inkscape::SnapCandidatePoint> const &p, Geom::Point const &pointer, Geom::Scale const &s, - Geom::Point const &o) const + Geom::Point const &o) { Inkscape::SnappedPoint result = _snapTransformed(p, pointer, false, Geom::Point(0,0), SCALE, Geom::Point(s[Geom::X], s[Geom::Y]), o, Geom::X, false); @@ -1021,7 +1041,7 @@ Inkscape::SnappedPoint SnapManager::freeSnapScale(std::vector<Inkscape::SnapCand Inkscape::SnappedPoint SnapManager::constrainedSnapScale(std::vector<Inkscape::SnapCandidatePoint> const &p, Geom::Point const &pointer, Geom::Scale const &s, - Geom::Point const &o) const + Geom::Point const &o) { // When constrained scaling, only uniform scaling is supported. Inkscape::SnappedPoint result = _snapTransformed(p, pointer, true, Geom::Point(0,0), SCALE, Geom::Point(s[Geom::X], s[Geom::Y]), o, Geom::X, true); @@ -1050,7 +1070,7 @@ Inkscape::SnappedPoint SnapManager::constrainedSnapStretch(std::vector<Inkscape: Geom::Coord const &s, Geom::Point const &o, Geom::Dim2 d, - bool u) const + bool u) { Inkscape::SnappedPoint result = _snapTransformed(p, pointer, true, Geom::Point(0,0), STRETCH, Geom::Point(s, s), o, d, u); @@ -1078,7 +1098,7 @@ Inkscape::SnappedPoint SnapManager::constrainedSnapSkew(std::vector<Inkscape::Sn Inkscape::Snapper::SnapConstraint const &constraint, Geom::Point const &s, Geom::Point const &o, - Geom::Dim2 d) const + Geom::Dim2 d) { // "s" contains skew factor in s[0], and scale factor in s[1] @@ -1113,7 +1133,7 @@ Inkscape::SnappedPoint SnapManager::constrainedSnapSkew(std::vector<Inkscape::Sn Inkscape::SnappedPoint SnapManager::constrainedSnapRotate(std::vector<Inkscape::SnapCandidatePoint> const &p, Geom::Point const &pointer, Geom::Coord const &angle, - Geom::Point const &o) const + Geom::Point const &o) { // Snapping the nodes of the bounding box of a selection that is being transformed, will only work if // the transformation of the bounding box is equal to the transformation of the individual nodes. This is @@ -1429,6 +1449,26 @@ void SnapManager::_displaySnapsource(Inkscape::SnapCandidatePoint const &p) cons } } +void SnapManager::keepClosestPointOnly(std::vector<Inkscape::SnapCandidatePoint> &points, const Geom::Point &reference) const +{ + if (points.size() < 2) return; + + Inkscape::SnapCandidatePoint closest_point = Inkscape::SnapCandidatePoint(Geom::Point(NR_HUGE, NR_HUGE), Inkscape::SNAPSOURCE_UNDEFINED, Inkscape::SNAPTARGET_UNDEFINED); + Geom::Coord closest_dist = NR_HUGE; + + for(std::vector<Inkscape::SnapCandidatePoint>::const_iterator i = points.begin(); i != points.end(); i++) { + Geom::Coord dist = Geom::L2((*i).getPoint() - reference); + if (i == points.begin() || dist < closest_dist) { + closest_point = *i; + closest_dist = dist; + } + } + + closest_point.setSourceNum(-1); + points.clear(); + points.push_back(closest_point); +} + /* Local Variables: mode:c++ |