diff options
Diffstat (limited to 'src/display/canvas-grid.cpp')
| -rw-r--r-- | src/display/canvas-grid.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/display/canvas-grid.cpp b/src/display/canvas-grid.cpp index 0d5cabd8d..49a1211eb 100644 --- a/src/display/canvas-grid.cpp +++ b/src/display/canvas-grid.cpp @@ -953,6 +953,21 @@ CanvasXYGridSnapper::CanvasXYGridSnapper(CanvasXYGrid *grid, SnapManager *sm, Ge this->grid = grid; } +/** + * \return Snap tolerance (desktop coordinates); depends on current zoom so that it's always the same in screen pixels + */ +Geom::Coord CanvasXYGridSnapper::getSnapperTolerance() const +{ + SPDesktop const *dt = _snapmanager->getDesktop(); + double const zoom = dt ? dt->current_zoom() : 1; + return _snapmanager->snapprefs.getGridTolerance() / zoom; +} + +bool CanvasXYGridSnapper::getSnapperAlwaysSnap() const +{ + return _snapmanager->snapprefs.getGridTolerance() == 10000; //TODO: Replace this threshold of 10000 by a constant; see also tolerance-slider.cpp +} + LineSnapper::LineList CanvasXYGridSnapper::_getSnapLines(Geom::Point const &p) const { |