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-rw-r--r--src/ui/dialog/document-properties.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/ui/dialog/document-properties.cpp b/src/ui/dialog/document-properties.cpp
index 5ad82644e..2a3a1dd86 100644
--- a/src/ui/dialog/document-properties.cpp
+++ b/src/ui/dialog/document-properties.cpp
@@ -1736,9 +1736,13 @@ void DocumentProperties::onDocUnitChange()
prefs->setBool("/options/transform/gradient", true);
{
ShapeEditor::blockSetItem(true);
- gdouble viewscale_w = doc->getWidth().value("px")/doc->getRoot()->viewBox.width();
- gdouble viewscale_h = doc->getHeight().value("px")/doc->getRoot()->viewBox.height();
- gdouble viewscale = std::min(viewscale_h, viewscale_w);
+ gdouble viewscale = 1.0;
+ Geom::Rect vb = doc->getRoot()->viewBox;
+ if ( !vb.hasZeroArea() ) {
+ gdouble viewscale_w = doc->getWidth().value("px") / vb.width();
+ gdouble viewscale_h = doc->getHeight().value("px")/ vb.height();
+ viewscale = std::min(viewscale_h, viewscale_w);
+ }
gdouble scale = Inkscape::Util::Quantity::convert(1, old_doc_unit, doc_unit);
doc->getRoot()->scaleChildItemsRec(Geom::Scale(scale), Geom::Point(-viewscale*doc->getRoot()->viewBox.min()[Geom::X] +
(doc->getWidth().value("px") - viewscale*doc->getRoot()->viewBox.width())/2,