Changeset 33294 in osm

Timestamp:

2017-05-08T21:33:49+02:00 (8 years ago)

Author:

donvip

Message:

fix #josm14757 - avoid "sun.dc.pr.PRError: setDashT4: invalid dash transformation (singular)" when drawing dashed lines

Location:

applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui

Files:

• JunctionGui.java (modified) (1 diff)
• RoadGui.java (modified) (2 diffs)

applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/JunctionGui.java

@@ -179 +179 @@
     }
 
-    private final class Corner {
+    private static final class Corner {
         final double x1;
         final double y1;

applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/RoadGui.java

@@ -23 +23 @@
 import java.awt.Shape;
 import java.awt.Stroke;
+import java.awt.geom.AffineTransform;
 import java.awt.geom.Area;
 import java.awt.geom.Ellipse2D;
@@ -727 +728 @@
         g2d.draw(lines);
 
-        // g2d.setColor(new Color(32, 128, 192));
-        g2d.setColor(Color.WHITE);
-        g2d.setStroke(dashedStroke);
-        for (Path p : linePaths) {
-            lines.reset();
-            lines.append(p.getIterator(), false);
-            g2d.draw(lines);
-        }
-        g2d.setStroke(regularStroke);
+        AffineTransform at = g2d.getTransform();
+        // Draw dashed lines only if the affine transform supports it (see #14757)
+        if (!Double.isNaN(at.getTranslateX()) && !Double.isNaN(at.getTranslateY())) {
+            g2d.setColor(Color.WHITE);
+            g2d.setStroke(dashedStroke);
+            for (Path p : linePaths) {
+                lines.reset();
+                lines.append(p.getIterator(), false);
+                g2d.draw(lines);
+            }
+            g2d.setStroke(regularStroke);
+        }
 
         // g2d.setColor(new Color(32, 128, 192));