From 63f2eef423ef7de34a1c0e1410e8281472d4f20d Mon Sep 17 00:00:00 2001
From: Tavmjong Bah <tavmjong@free.fr>
Date: Thu, 14 Jan 2016 12:14:51 +0100
Subject: Correct writing of blur value when display units are not user units.

(bzr r14576)
---
 src/ui/dialog/objects.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/ui/dialog/objects.cpp')

diff --git a/src/ui/dialog/objects.cpp b/src/ui/dialog/objects.cpp
index 726df9a61..891048beb 100644
--- a/src/ui/dialog/objects.cpp
+++ b/src/ui/dialog/objects.cpp
@@ -1583,6 +1583,10 @@ void ObjectsPanel::_blurChangedIter(const Gtk::TreeIter& iter, double blur)
             }
 
             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 = modify_filter_gaussian_blur_from_item(_document, item, radius);
                 sp_style_set_property_url(item, "filter", filter, false);
             } else if (item->style->filter.set && item->style->getFilter()) {
-- 
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