From a7d5ffd03eeb334a09f94f3ea741d366e0f12fbe Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Tue, 30 Jul 2019 13:41:35 +0100
Subject: [PATCH] JAL-3364 use larger of top/bottom 'auto id width' for split
 frame image

---
 src/jalview/gui/AlignmentPanel.java |   41 ++++++++++++++++++++++++++++++-----
 1 file changed, 36 insertions(+), 5 deletions(-)

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index 3c86653..b77f9db 100644
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -1205,21 +1205,43 @@ public class AlignmentPanel extends GAlignmentPanel implements
                 { type.getLabel() }), pSessionId);
       }
     }
+
+    /*
+    * cache preferences in case we need to fudge them for export of
+    * split frame with 'protein scaled to codons' and 'auto id width'
+    */
+
+    final boolean autoIdWidth = Cache.getDefault("FIGURE_AUTOIDWIDTH",
+            false);
+    final Integer fixedIdWidth = Cache
+            .getIntegerProperty("FIGURE_FIXEDIDWIDTH");
+
     try
     {
       /*
        * if exporting a split frame image, the graphics object has 
        * width: maximum of the top and bottom image widths
        * height: sum of the top and bottom image heights
+       * if 'protein scaled to codons' and 'auto id width', fudge
+       * to a fixed width (and restore preferences afterwards)
        */
-      AlignmentPanel comp = null;
+      AlignmentPanel complement = null;
       AlignmentDimension dim1 = getAlignmentDimension();
       AlignmentDimension dim2 = new AlignmentDimension(0, 0);
+
       if (forSplitFrame)
       {
-        comp = ((AlignViewport) av.getCodingComplement())
+        complement = ((AlignViewport) av.getCodingComplement())
                 .getAlignPanel();
-        dim2 = comp.getAlignmentDimension();
+        dim2 = complement.getAlignmentDimension();
+        if (autoIdWidth && av.isScaleProteinAsCdna())
+        {
+          int w1 = this.getVisibleIdWidth(false);
+          int w2 = complement.getVisibleIdWidth(false);
+          Cache.setProperty("FIGURE_AUTOIDWIDTH", Boolean.FALSE.toString());
+          Cache.setProperty("FIGURE_FIXEDIDWIDTH",
+                  String.valueOf(Math.max(w1, w2)));
+        }
       }
       final int graphicsHeight = dim1.height + dim2.height
               + borderBottomOffset;
@@ -1258,12 +1280,12 @@ public class AlignmentPanel extends GAlignmentPanel implements
         // graphics.drawString("Hello world", 0, 0);
         if (av.getCodingComplement().getWrapAlignment())
         {
-          comp.printWrappedAlignment(dim2.width,
+          complement.printWrappedAlignment(dim2.width,
                   dim2.height + borderBottomOffset, 0, graphics, false);
         }
         else
         {
-          comp.printUnwrapped(dim2.width, dim2.height, 0, graphics,
+          complement.printUnwrapped(dim2.width, dim2.height, 0, graphics,
                   graphics);
         }
       }
@@ -1279,6 +1301,15 @@ public class AlignmentPanel extends GAlignmentPanel implements
     } catch (Exception ex)
     {
       ex.printStackTrace();
+    } finally
+    {
+      /*
+       * restore preference settings in case they were fudged
+       */
+      Cache.setProperty("FIGURE_AUTOIDWIDTH",
+              String.valueOf(autoIdWidth));
+      Cache.setProperty("FIGURE_FIXEDIDWIDTH",
+              String.valueOf(fixedIdWidth));
     }
   }
 
-- 
1.7.10.2