diff options
Diffstat (limited to 'src/ui/dialog/objects.cpp')
| -rw-r--r-- | src/ui/dialog/objects.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/ui/dialog/objects.cpp b/src/ui/dialog/objects.cpp index 09ffc9c4c..446af4ccb 100644 --- a/src/ui/dialog/objects.cpp +++ b/src/ui/dialog/objects.cpp @@ -1512,11 +1512,18 @@ void ObjectsPanel::_blendChangedIter(const Gtk::TreeIter& iter, Glib::ustring bl if (SP_IS_GAUSSIANBLUR(&primitive)) { Geom::OptRect bbox = item->bounds(SPItem::GEOMETRIC_BBOX); if (bbox) { - radius = SP_GAUSSIANBLUR(&primitive)->stdDeviation.getNumber(); + double perimeter = bbox->dimensions()[Geom::X] + bbox->dimensions()[Geom::Y]; // fixme: this is only half the perimeter, is that correct? + radius = _fe_blur.get_blur_value() * perimeter / 400; } } } } + if (radius != 0) { + // The modify function expects radius to be in display pixels. + Geom::Affine i2d (item->i2dt_affine()); + double expansion = i2d.descrim(); + radius *= expansion; + } SPFilter *filter = new_filter_simple_from_item(_document, item, blendmode.c_str(), radius); sp_style_set_property_url(item, "filter", filter, false); } else { |