fix #24299 - do zero check

stoecker · stoecker · commit fa63f6e8c4ca · 2025-05-07T09:54:14.000Z
git-svn-id: https://josm.openstreetmap.de/svn/trunk@19403 0c6e7542-c601-0410-84e7-c038aed88b3b
diff --git a/src/org/openstreetmap/josm/gui/MapView.java b/src/org/openstreetmap/josm/gui/MapView.java
@@ -588,7 +588,8 @@ private void drawMapContent(Graphics2D g) {
         }
 
         nonChangedLayers.clear();
-        nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount));
+        if (nonChangedLayersCount > 0)
+            nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount));
         lastViewID = getViewID();
         lastClipBounds = g.getClipBounds();
 

Original file line number	Diff line number	Diff line change
`@@ -588,7 +588,8 @@ private void drawMapContent(Graphics2D g) {`
`588`	`588`	`}`
`589`	`589`
`590`	`590`	`nonChangedLayers.clear();`
`591`		`- nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount));`
	`591`	`+ if (nonChangedLayersCount > 0)`
	`592`	`+ nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount));`
`592`	`593`	`lastViewID = getViewID();`
`593`	`594`	`lastClipBounds = g.getClipBounds();`
`594`	`595`