X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fschemes%2FResidueColourScheme.java;h=b905c452ba87dcce2683ded2f74c2ec0fdc5cd36;hb=d587f1aa61946dc14f6f089cf1dc2a3116cfb773;hp=7c3620807f767c6e4e121361fbc3e986999f89c2;hpb=c3c305755d392741176209a0274a47897ac4d8a8;p=jalview.git

diff --git a/src/jalview/schemes/ResidueColourScheme.java b/src/jalview/schemes/ResidueColourScheme.java
index 7c36208..b905c45 100755
--- a/src/jalview/schemes/ResidueColourScheme.java
+++ b/src/jalview/schemes/ResidueColourScheme.java
@@ -52,12 +52,6 @@ public class ResidueColourScheme implements ColourSchemeI
    /** DOCUMENT ME!! */
    int inc = 30;
 
-   /**
-    * The colour to be calculated, manipulated and returned
-    */
-   Color currentColour = null;
-
-
 
     /**
      * Creates a new ResidueColourScheme object.
@@ -90,7 +84,7 @@ public class ResidueColourScheme implements ColourSchemeI
 
    public Color findColour(String s, int j)
    {
-
+       Color currentColour;
        int index = ResidueProperties.aaIndex[s.charAt(0)];
 
        if ((threshold == 0) || aboveThreshold(ResidueProperties.aa[index], j))
@@ -103,7 +97,7 @@ public class ResidueColourScheme implements ColourSchemeI
        }
 
        if(conservationColouring)
-         applyConservation(j);
+         currentColour = applyConservation(currentColour, j);
 
 
        return currentColour;
@@ -153,14 +147,16 @@ public class ResidueColourScheme implements ColourSchemeI
           s = String.valueOf(c);
         }
 
+        if (consensus == null || consensus[j] == null)
+          return false;
 
-      if ((((Integer) consensus[j].get(AAFrequency.MAXCOUNT)).intValue() != -1) &&
-                consensus[j].contains(s))
+        if ( ( ( (Integer) consensus[j].get(AAFrequency.MAXCOUNT)).intValue() != -1) &&
+            consensus[j].contains(s))
         {
-            if (((Float)consensus[j].get(ignoreGaps)).floatValue() >= threshold)
-            {
-                return true;
-            }
+          if ( ( (Float) consensus[j].get(ignoreGaps)).floatValue() >= threshold)
+          {
+            return true;
+          }
         }
 
         return false;
@@ -225,7 +221,7 @@ public class ResidueColourScheme implements ColourSchemeI
     * @return DOCUMENT ME!
     */
 
-   void applyConservation(int i)
+   Color applyConservation(Color currentColour, int i)
    {
 
      if ((conservation[i] != '*') && (conservation[i] != '+'))
@@ -239,8 +235,7 @@ public class ResidueColourScheme implements ColourSchemeI
          float t = 11 - (conservation[i] - '0');
          if(t==0)
          {
-           currentColour = Color.white;
-           return;
+           return Color.white;
          }
 
          int red = currentColour.getRed();
@@ -265,6 +260,7 @@ public class ResidueColourScheme implements ColourSchemeI
            currentColour = new Color(red, green, blue);
        }
        }
+       return currentColour;
    }