From fdcfb775a9b255c4c09c9509bf35e7352b5d1f3a Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Wed, 14 Sep 2005 11:22:46 +0000
Subject: [PATCH] Center labels

---
 src/jalview/gui/TreeCanvas.java |   38 ++++++++++++++++----------------------
 1 file changed, 16 insertions(+), 22 deletions(-)

diff --git a/src/jalview/gui/TreeCanvas.java b/src/jalview/gui/TreeCanvas.java
index eea181f..e89f441 100755
--- a/src/jalview/gui/TreeCanvas.java
+++ b/src/jalview/gui/TreeCanvas.java
@@ -50,13 +50,13 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
     JScrollPane scrollPane;
     AlignViewport av;
     Font font;
-    int fontSize;
+    FontMetrics fm;
     boolean fitToWindow = true;
     boolean showDistances = false;
     boolean showBootstrap = false;
     boolean markPlaceholders = false;
     int offx = 20;
-    int offy = 20;
+    int offy;
     float threshold;
     String longestName;
     int labelLength = -1;
@@ -215,11 +215,11 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
 
             String name = (markPlaceholders && node.isPlaceholder())
                 ? (PLACEHOLDER + node.getName()) : node.getName();
-            FontMetrics fm = g.getFontMetrics(font);
+
             int charWidth = fm.stringWidth(name) + 3;
             int charHeight = fm.getHeight();
 
-            Rectangle rect = new Rectangle(xend + 20, ypos - charHeight,
+            Rectangle rect = new Rectangle(xend+10, ypos-charHeight/2,
                     charWidth, charHeight);
 
             nameHash.put((SequenceI) node.element(), rect);
@@ -232,12 +232,12 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
             {
                 g.setColor(Color.gray);
 
-                g.fillRect(xend + 10, ypos - charHeight + 3, charWidth,
+                g.fillRect(xend + 10, ypos-charHeight/2, charWidth,
                     charHeight);
                 g.setColor(Color.white);
             }
 
-            g.drawString(name, xend + 10, ypos);
+            g.drawString(name, xend + 10, ypos+fm.getDescent());
             g.setColor(Color.black);
         }
         else
@@ -340,7 +340,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
                 ((SequenceNode) top.right()).count;
         }
 
-        float chunk = (float) (height - (offy * 2)) / top.count;
+        float chunk = (float) (height - (offy)) / top.count;
 
         pickNode(pickBox, top, chunk, wscale, width, offx, offy);
     }
@@ -532,7 +532,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
         }
         else
         {
-          FontMetrics fm = g.getFontMetrics(font);
+          fm = g.getFontMetrics(font);
 
           if (nameHash.size() == 0)
           {
@@ -558,25 +558,15 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
         }
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @return DOCUMENT ME!
-     */
-    public int getFontSize()
-    {
-        return fontSize;
-    }
 
     /**
      * DOCUMENT ME!
      *
      * @param fontSize DOCUMENT ME!
      */
-    public void setFontSize(int fontSize)
+    public void setFont(Font font)
     {
-        this.fontSize = fontSize;
-        font = new Font(font.getName(), font.getStyle(), fontSize);
+        this.font = font;
         repaint();
     }
 
@@ -597,7 +587,11 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
 
         g2.setFont(font);
 
-        labelLength = g2.getFontMetrics(font).stringWidth(longestName) + 20; //20 allows for scrollbar
+        offy = font.getSize()*2;
+
+        fm = g2.getFontMetrics(font);
+
+        labelLength = fm.stringWidth(longestName) + 20; //20 allows for scrollbar
 
         float wscale = (float) (width - labelLength - (offx * 2)) / tree.getMaxHeight();
 
@@ -609,7 +603,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
                 ((SequenceNode) top.right()).count;
         }
 
-        float chunk = (float) (height - (offy * 2)) / top.count;
+        float chunk = (float) (height - (offy)) / top.count;
 
         drawNode(g2, tree.getTopNode(), chunk, wscale, width, offx, offy);
 
-- 
1.7.10.2