Pick fonts based on whether we're printing or displaying on screen.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@192 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/viztool/src/java/com/samskivert/viztool/Driver.java

@@ -1,5 +1,5 @@
 //
-// $Id: Driver.java,v 1.3 2001/07/17 05:21:33 mdb Exp $
+// $Id: Driver.java,v 1.4 2001/07/17 06:01:08 mdb Exp $
 
 package com.samskivert.viztool;
 
@@ -39,6 +39,9 @@ public class Driver
             System.err.println("Warning: " + warnings[i].reason);
         }
 
+        // initialize the font picker
+        FontPicker.init(print);
+
         // and finally generate the visualization
         PackageEnumerator penum = new PackageEnumerator(pkgroot, enum, true);
         HierarchyVisualizer viz = new HierarchyVisualizer(pkgroot, penum);

projects/viztool/src/java/com/samskivert/viztool/hierarchy/CascadingChainVisualizer.java

@@ -1,5 +1,5 @@
 //
-// $Id: CascadingChainVisualizer.java,v 1.6 2001/07/17 05:31:37 mdb Exp $
+// $Id: CascadingChainVisualizer.java,v 1.7 2001/07/17 06:01:08 mdb Exp $
 
 package com.samskivert.viztool.viz;
 
@@ -30,7 +30,8 @@ public class CascadingChainVisualizer
     public void layoutChain (Chain chain, Graphics2D gfx)
     {
         // create a text layout based on the current rendering conditions
-        Font font = chain.getRoot().isInterface() ? _ifaceFont : _classFont;
+        Font font = chain.getRoot().isInterface() ?
+            FontPicker.getInterfaceFont() : FontPicker.getClassFont();
         TextLayout layout = new TextLayout(chain.getName(), font,
                                            gfx.getFontRenderContext());
 
@@ -70,7 +71,8 @@ public class CascadingChainVisualizer
         double y = bounds.getY();
 
         // create a text layout based on the current rendering conditions
-        Font font = chain.getRoot().isInterface() ? _ifaceFont : _classFont;
+        Font font = chain.getRoot().isInterface() ?
+            FontPicker.getInterfaceFont() : FontPicker.getClassFont();
         TextLayout layout = new TextLayout(chain.getName(), font,
                                            gfx.getFontRenderContext());
 
@@ -137,7 +139,4 @@ public class CascadingChainVisualizer
      * The number of points of spacing between each child chain.
      */
     protected static final double GAP = 4;
-
-    protected static Font _classFont = new Font("Helvetica", Font.PLAIN, 8);
-    protected static Font _ifaceFont = new Font("Helvetica", Font.ITALIC, 8);
 }

projects/viztool/src/java/com/samskivert/viztool/hierarchy/ChainGroup.java

@@ -1,5 +1,5 @@
 //
-// $Id: ChainGroup.java,v 1.5 2001/07/17 05:28:46 mdb Exp $
+// $Id: ChainGroup.java,v 1.6 2001/07/17 06:01:08 mdb Exp $
 
 package com.samskivert.viztool.viz;
 
@@ -44,7 +44,7 @@ public class ChainGroup
         }
 
         // we'll need room to incorporate our title
-        TextLayout layout = new TextLayout(_pkg, _titleFont,
+        TextLayout layout = new TextLayout(_pkg, FontPicker.getTitleFont(),
                                            gfx.getFontRenderContext());
 
         // we let the title stick halfway up out of our rectangular
@@ -82,7 +82,7 @@ public class ChainGroup
      */
     public void render (Graphics2D gfx, double x, double y)
     {
-        TextLayout layout = new TextLayout(_pkg, _titleFont,
+        TextLayout layout = new TextLayout(_pkg, FontPicker.getTitleFont(),
                                            gfx.getFontRenderContext());
 
         // we let the title stick halfway up out of our rectangular
@@ -137,6 +137,4 @@ public class ChainGroup
     protected Rectangle2D _size;
 
     protected static final double BORDER = 72/8;
-
-    protected static Font _titleFont = new Font("Helvetica", Font.BOLD, 8);
 }

projects/viztool/src/java/com/samskivert/viztool/util/FontPicker.java

@@ -0,0 +1,58 @@
+//
+// $Id: FontPicker.java,v 1.1 2001/07/17 06:01:08 mdb Exp $
+
+package com.samskivert.viztool.viz;
+
+import java.awt.Font;
+
+/**
+ * The font picker provides the proper font based on operating condtions.
+ */
+public class FontPicker
+{
+    /**
+     * Instructs the font picker to choose fonts for printing or fonts for
+     * displaying on the screen based on the value of the
+     * <code>printing</code> argument.
+     */
+    public static void init (boolean printing)
+    {
+        int size = printing ? 8 : 10;
+        _titleFont = new Font("Helvetica", Font.BOLD, size);
+        _classFont = new Font("Helvetica", Font.PLAIN, size);
+        _ifaceFont = new Font("Helvetica", Font.ITALIC, size);
+        _implsFont = new Font("Helvetica", Font.ITALIC, size-2);
+        _declsFont = new Font("Helvetica", Font.PLAIN, size-2);
+    }
+
+    public static Font getTitleFont ()
+    {
+        return _titleFont;
+    }
+
+    public static Font getClassFont ()
+    {
+        return _classFont;
+    }
+
+    public static Font getInterfaceFont ()
+    {
+        return _ifaceFont;
+    }
+
+    public static Font getImplementsFont ()
+    {
+        return _implsFont;
+    }
+
+    public static Font getDeclaresFont ()
+    {
+        return _declsFont;
+    }
+
+    protected static Font _titleFont;
+    protected static Font _classFont;
+    protected static Font _ifaceFont;
+    protected static Font _implsFont;
+    protected static Font _declsFont;
+}