diff --git a/src/line-snapper.cpp b/src/line-snapper.cpp
index f2d2f2ff624b0b46099fd802e324cf5cdd579a91..bc43d640b0d9c6a327c26fe2e8a2609b2b1f69eb 100644 (file)
--- a/src/line-snapper.cpp
+++ b/src/line-snapper.cpp
* Authors:
* Diederik van Lierop <mail@diedenrezi.nl>
* And others...
- *
+ *
* Copyright (C) 1999-2008 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
#include <gtk/gtk.h>
#include "snap.h"
-Inkscape::LineSnapper::LineSnapper(SnapManager const *sm, Geom::Coord const d) : Snapper(sm, d)
+Inkscape::LineSnapper::LineSnapper(SnapManager *sm, Geom::Coord const d) : Snapper(sm, d)
{
}
std::vector<SPItem const *> const */*it*/,
std::vector<Geom::Point> */*unselected_nodes*/) const
{
- if (_snap_enabled == false || _snapmanager->snapprefs.getSnapFrom(t) == false) {
+ if (!(_snap_enabled && _snapmanager->snapprefs.getSnapFrom(t)) ) {
return;
- }
-
+ }
+
/* Get the lines that we will try to snap to */
const LineList lines = _getSnapLines(p);
Geom::Point const p2 = p1 + Geom::rot90(i->first); // 2nd point at guide/grid line
// std::cout << " line through " << i->second << " with normal " << i->first;
g_assert(i->first != Geom::Point(0,0)); // we cannot project on an linesegment of zero length
-
+
Geom::Point const p_proj = project_on_linesegment(p, p1, p2);
Geom::Coord const dist = Geom::L2(p_proj - p);
//Store any line that's within snapping range
if (dist < getSnapperTolerance()) {
_addSnappedLine(sc, p_proj, dist, i->first, i->second);
- // std::cout << " -> distance = " << dist;
- }
+ // std::cout << " -> distance = " << dist;
+ }
// std::cout << std::endl;
- }
+ }
}
void Inkscape::LineSnapper::constrainedSnap(SnappedConstraints &sc,
if (_snap_enabled == false || _snapmanager->snapprefs.getSnapFrom(t) == false) {
return;
}
-
+
/* Get the lines that we will try to snap to */
const LineList lines = _getSnapLines(p);
if (Geom::L2(c.getDirection()) > 0) { // Can't do a constrained snap without a constraint
/* Normal to the line we're trying to snap along */
Geom::Point const n(Geom::rot90(Geom::unit_vector(c.getDirection())));
-
+
Geom::Point const point_on_line = c.hasPoint() ? c.getPoint() : p;
-
+
/* Constant term of the line we're trying to snap along */
Geom::Coord const q0 = dot(n, point_on_line);
/* Constant term of the grid or guide line */
- Geom::Coord const q1 = dot(i->first, i->second);
-
+ Geom::Coord const q1 = dot(i->first, i->second);
+
/* Try to intersect this line with the target line */
Geom::Point t_2geom(NR_HUGE, NR_HUGE);
Geom::IntersectorKind const k = Geom::line_intersection(n, q0, i->first, q1, t_2geom);
Geom::Point t(t_2geom);
-
+
if (k == Geom::intersects) {
const Geom::Coord dist = L2(t - p);
if (dist < getSnapperTolerance()) {
// to look for additional intersections; just return the snapped point
// and forget about the line
sc.points.push_back(SnappedPoint(t, Inkscape::SNAPTARGET_UNDEFINED, dist, getSnapperTolerance(), getSnapperAlwaysSnap(), true));
- // The type of the snap target is yet undefined, as we cannot tell whether
- // we're snapping to grid or the guide lines; must be set by on a higher level
+ // The type of the snap target is yet undefined, as we cannot tell whether
+ // we're snapping to grid or the guide lines; must be set by on a higher level
}
}
}