diff options
Diffstat (limited to 'libs/canvas/poly_line.cc')
| -rw-r--r-- | libs/canvas/poly_line.cc | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libs/canvas/poly_line.cc b/libs/canvas/poly_line.cc index 3150907db6..5d6abb9814 100644 --- a/libs/canvas/poly_line.cc +++ b/libs/canvas/poly_line.cc @@ -77,7 +77,7 @@ PolyLine::covers (Duple const & point) const Duple p = window_to_item (point); const Points::size_type npoints = _points.size(); - + if (npoints < 2) { return false; } @@ -95,30 +95,30 @@ PolyLine::covers (Duple const & point) const double t; Duple a (_points[j]); Duple b (_points[i]); - + /* Clamp the line endpoints to the visible area of the canvas. If we do not do this, we may have a line segment extending to COORD_MAX and our math goes wrong. */ - + a.x = std::min (a.x, visible.x1); a.y = std::min (a.y, visible.y1); b.x = std::min (b.x, visible.x1); b.y = std::min (b.y, visible.y1); - + double d = distance_to_segment_squared (p, a, b, t, at); - + if (t < 0.0 || t > 1.0) { continue; } - + if (d < _threshold + _outline_width) { return true; } - + } - + return false; } |