From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Thu, 3 Aug 2017 15:27:14 +0000 (+0200)
Subject: JAL-2609 process only up to end of alignment when shifting sequences
X-Git-Tag: Release_2_10_3b1~91^2~6^2~16
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=f51f5302101389c1ffd7ed8bba0b79705b289a70;p=jalview.git

JAL-2609 process only up to end of alignment when shifting sequences
---

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 12b426d..576d6ca 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -1505,8 +1505,15 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
     {
       visibleWidths++;
     }
-    // todo limit visibleWidths to not exceed width of alignment
-    // (don't process white space below)
+    /*
+     *  limit visibleWidths to not exceed width of alignment
+     */
+    int maxWidths = (xMax - ranges.getStartRes()) / viewportWidth;
+    if (xMax % viewportWidth > 0)
+    {
+      maxWidths++;
+    }
+    visibleWidths = Math.min(visibleWidths, maxWidths);
 
     if (positions > 0)
     {