Hover label profile for district elements.

[simantics/district.git] / org.simantics.district.network.ui / src / org / simantics / district / network / ui / nodes / DistrictNetworkNodeUtils.java

diff --git a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java
index 8a369e26391d9efb77e458891824617f9a9c9231..21e49b58277c8f93334ddcf1ccf6428363f278dc 100644 (file)
--- a/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java
+++ b/org.simantics.district.network.ui/src/org/simantics/district/network/ui/nodes/DistrictNetworkNodeUtils.java
@@ -5,6 +5,8 @@ import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
 
 import org.simantics.district.network.ModelledCRS;
+import org.simantics.maps.MapScalingTransform;
+import org.simantics.scenegraph.utils.GeometryUtils;
 
 public class DistrictNetworkNodeUtils {
 
@@ -35,4 +37,16 @@ public class DistrictNetworkNodeUtils {
         return transform;
     }
 
+    public static double calculateScaleRecip(AffineTransform tr) {
+        int zoomLevel = MapScalingTransform.zoomLevel(tr);
+        double t = 1.0 / (getScale(tr) * Math.sqrt(zoomLevel));
+        return t;
+    }
+
+    static double getScale(AffineTransform tr) {
+        double scale;
+        scale = GeometryUtils.getScale(tr);
+        scale = Math.max(4096, Math.min(scale, 32768));
+        return scale;
+    }
 }