Small bug fix - placing a scale bar on the map composer sometimes gives

g_j_m · g_j_m · commit c0c301319fd1 · 2007-11-18T08:08:12.000Z
a scalebar with 0 segments. This fixes that. git-svn-id: http://svn.osgeo.org/qgis/trunk@7449 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/src/app/composer/qgscomposerscalebar.cpp b/src/app/composer/qgscomposerscalebar.cpp
@@ -80,7 +80,8 @@ QgsComposerScalebar::QgsComposerScalebar ( QgsComposition *composition, int id,
       mSegmentLength = isize * powerOf10;
 
       // the scale bar will take cca 1/4 of the map width
-      mNumSegments = (int) (mapwidth / 4 / mSegmentLength);
+      // But always have at least one segment.
+      mNumSegments = std::max(1, (int) (mapwidth / 4 / mSegmentLength));
 
       int segsize = (int) (mSegmentLength * map->scale());
 
