[Kst] extragear/graphics/kst/kst

[Rick Chern]

SVN commit 428003 by rchern:

Increase range a little bit when doing local y zoom max to be consistent with y autoscale mode

 M  +15 -0     kst2dplot.cpp  


--- trunk/extragear/graphics/kst/kst/kst2dplot.cpp #428002:428003
@@ -5138,6 +5138,21 @@
     newYMin = pow(10.0, -350.0);
   }
   
+  // just like AUTOBORDER, add a little bit to top and bottom
+  if (_yLog) {
+    newYMin = log10(newYMin);
+    newYMax = (newYMax > 0) ? log10(newYMax): 0;
+    double dy = (newYMax-newYMin)/40.0;
+    newYMax += dy;
+    newYMin -= dy;
+    newYMax = pow(10.0, newYMax);
+    newYMin = pow(10.0, newYMin);
+  } else {
+    double dy = (newYMax-newYMin)/40.0;
+    newYMax += dy;
+    newYMin -= dy;
+  }
+  
   YMin = newYMin;
   YMax = newYMax;
   setYScaleMode(FIXED);