X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=1e669280379ad3d18f4367d33d293692681f4402;hb=d8c50265e5b07fe9a5565f6079f716cae81afe01;hp=b4ef770883b7d6947dd810d688dd4d1666219b12;hpb=c20e9d4ae9c98b093e74a10bf965e6d20d80fadf;p=jalview.git

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index b4ef770..1e66928 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -62,7 +62,7 @@ public class SeqCanvas extends JComponent
         fr = new FeatureRenderer(av);
         sr = new SequenceRenderer(av);
         setLayout(new BorderLayout());
-        PaintRefresher.Register(this, av.alignment);
+        PaintRefresher.Register(this, av.getSequenceSetId());
         setBackground(Color.white);
     }
 
@@ -328,9 +328,34 @@ public class SeqCanvas extends JComponent
             return;
         }
 
-        img = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB);
-        gg = (Graphics2D) img.getGraphics();
-        gg.setFont(av.getFont());
+        if (img == null || imgWidth != img.getWidth() || imgHeight != img.getHeight())
+        {
+          try{
+            img = new BufferedImage(imgWidth, imgHeight,
+                                    BufferedImage.TYPE_INT_RGB);
+            gg = (Graphics2D) img.getGraphics();
+            gg.setFont(av.getFont());
+          }catch(OutOfMemoryError er)
+          {
+            System.gc();
+            System.out.println(er +" making image, SeqCanvas");
+            javax.swing.SwingUtilities.invokeLater(new Runnable()
+            {
+              public void run()
+              {
+                javax.swing.JOptionPane.showInternalMessageDialog(Desktop.
+                    desktop,
+                    "Out of memory creating alignment image!!"
+                    +
+                    "\nSee help files for increasing Java Virtual Machine memory."
+                    , "Out of memory",
+                    javax.swing.JOptionPane.WARNING_MESSAGE);
+              }
+            });
+
+            return;
+          }
+        }
 
         if (av.antiAlias)
           gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
@@ -392,8 +417,17 @@ public class SeqCanvas extends JComponent
      */
     String getMask()
     {
-      String mask = "00";
-      for (int i = av.alignment.getWidth(); i > 0; i /= 10)
+      String mask = "0";
+      int maxWidth = 0;
+      int tmp;
+      for(int i=0; i<av.alignment.getHeight(); i++)
+      {
+        tmp = av.alignment.getSequenceAt(i).getEnd();
+        if(tmp>maxWidth)
+          maxWidth = tmp;
+      }
+
+      for (int i = maxWidth; i > 0; i /= 10)
       {
         mask += "0";
       }
@@ -529,7 +563,7 @@ public class SeqCanvas extends JComponent
                 annotations = new AnnotationPanel(av);
 
               annotations.drawComponent( (Graphics2D) g, startRes, endx+1);
-              g.translate(0, -cHeight - ypos);
+              g.translate(0, -cHeight - ypos -3);
             }
             g.setClip(clip);
             g.translate(-LABEL_WEST, 0);
@@ -602,7 +636,7 @@ public class SeqCanvas extends JComponent
             g1.setColor(Color.blue);
 
             g1.drawLine( (blockEnd - blockStart + 1) * av.charWidth - 1,
-                        0+offset,
+                        0 + offset,
                         (blockEnd - blockStart + 1) * av.charWidth - 1,
                         (endSeq - startSeq) * av.charHeight + offset);
           }