JAL-2778 Reduced calculation load for overview box

[jalview.git] / src / jalview / viewmodel / OverviewDimensions.java

diff --git a/src/jalview/viewmodel/OverviewDimensions.java b/src/jalview/viewmodel/OverviewDimensions.java
index f54c1eb..d7f2e61 100644 (file)
--- a/src/jalview/viewmodel/OverviewDimensions.java
+++ b/src/jalview/viewmodel/OverviewDimensions.java
@@ -58,6 +58,10 @@ public abstract class OverviewDimensions
 
   protected int alheight;
 
+  protected float widthRatio;
+
+  protected float heightRatio;
+
   /**
    * Create an OverviewDimensions object
    * 
@@ -301,7 +305,8 @@ public abstract class OverviewDimensions
   /*
    * Given the centre x position, calculate the box's left x position
    */
-  protected abstract int getLeftXFromCentreX(int mousex, HiddenColumns hidden);
+  protected abstract int getLeftXFromCentreX(int mousex,
+          HiddenColumns hidden);
 
   /*
    * Given the centre y position, calculate the box's top y position