X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fdiagram%2Fparticipant%2FElementPainter.java;h=d35bfadb04ba2fd7e92eefaaa4b5f7feda40440d;hb=9c4f7c59dc673c6af8d3ac1d92566ff132d43826;hp=ec6e8cba0258cfc6c782ce732467c44eec1614d7;hpb=060886da1e94e4a6bb1e09d56e96a6ad289ba7d0;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/ElementPainter.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/ElementPainter.java
index ec6e8cba0..d35bfadb0 100644
--- a/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/ElementPainter.java
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/participant/ElementPainter.java
@@ -91,6 +91,7 @@ import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
 import org.simantics.scenegraph.g2d.nodes.UnboundedNode;
 import org.simantics.scenegraph.g2d.nodes.spatial.RTreeNode;
 import org.simantics.scenegraph.utils.ColorUtil;
+import org.simantics.scenegraph.utils.GeometryUtils;
 import org.simantics.scenegraph.utils.NodeUtil;
 import org.simantics.utils.datastructures.collections.CollectionUtils;
 import org.simantics.utils.datastructures.hints.HintListenerAdapter;
@@ -1014,8 +1015,11 @@ public class ElementPainter extends AbstractDiagramParticipant implements Compos
         Shape shape = ElementUtils.getElementShapeOrBounds(e);
         Rectangle2D bounds = shape.getBounds2D();
         //System.out.println("selection bounds: "+bounds);
-        final double marginX = 1 / selectionTransform.getScaleX();
-        final double marginY = 1 / selectionTransform.getScaleY();
+        
+        Point2D scale = GeometryUtils.getScale2D(selectionTransform);
+        final double marginX = Math.abs(scale.getX()) > 1e-10 ? 1 / scale.getX() : 1;
+        final double marginY = Math.abs(scale.getY()) > 1e-10 ? 1 / scale.getY() : 1;
+        
         bounds.setFrame(bounds.getMinX() - marginX, bounds.getMinY() - marginY, bounds.getWidth() + 2*marginX, bounds.getHeight() + 2*marginY);
 
         List<SelectionSpecification> ss = e.getElementClass().getItemsByClass(SelectionSpecification.class);