JAL-3386 correct wrapped width calculation for headless image export

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index 3dc182a..ea8fcdc 100644 (file)
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -1075,6 +1075,7 @@ public class AlignmentPanel extends GAlignmentPanel implements
 
     int resWidth = getSeqPanel().seqCanvas
             .getWrappedCanvasWidth(pageWidth - idWidth);
+    av.getRanges().setViewportStartAndWidth(0, resWidth);
 
     int totalHeight = cHeight * (maxwidth / resWidth + 1);
 
@@ -1086,8 +1087,8 @@ public class AlignmentPanel extends GAlignmentPanel implements
     /*
      * method: print the whole wrapped alignment, but with a clip region that
      * is restricted to the requested page; this supports selective print of 
-     * single  pages or ranges, (at the cost of some repeated processing in 
-     * the 'normal' case, when all pages are printed)
+     * single pages or ranges, (at the cost of repeated processing in the 
+     * 'normal' case, when all pages are printed)
      */
     g.translate(0, -pageNumber * pageHeight);