1 files changed, 31 insertions, 9 deletions
diff --git a/libjava/classpath/gnu/java/awt/font/GNUGlyphVector.java b/libjava/classpath/gnu/java/awt/font/GNUGlyphVector.java
index 2f73dce77b0..22f331e15d1 100644
--- a/libjava/classpath/gnu/java/awt/font/GNUGlyphVector.java
+++ b/libjava/classpath/gnu/java/awt/font/GNUGlyphVector.java
@@ -37,6 +37,8 @@ exception statement from your version. */
 
 package gnu.java.awt.font;
 
+import gnu.java.awt.java2d.ShapeWrapper;
+
 import java.awt.Font;
 import java.awt.font.FontRenderContext;
 import java.awt.font.GlyphMetrics;
@@ -82,6 +84,10 @@ public class GNUGlyphVector
   private AffineTransform[] transforms;
   private int layoutFlags;
 
+  /**
+   * The cached non-transformed outline of this glyph vector.
+   */
+  private Shape cleanOutline;
 
   /**
    * Constructs a new GNUGlyphVector.
@@ -257,7 +263,6 @@ public class GNUGlyphVector
    */
   public Shape getOutline()
   {
-    validate();
     return getOutline(0.0f, 0.0f);
   }
 
@@ -273,16 +278,33 @@ public class GNUGlyphVector
   {
     validate();
 
-    GeneralPath outline = new GeneralPath();
-    int len = glyphs.length;
-    for (int i = 0; i < len; i++)
+    Shape outline;
+    if (cleanOutline == null)
       {
-        GeneralPath p = new GeneralPath(getGlyphOutline(i));
-        outline.append(p, false);
+        GeneralPath path = new GeneralPath();
+        int len = glyphs.length;
+        for (int i = 0; i < len; i++)
+          {
+            GeneralPath p = new GeneralPath(getGlyphOutline(i));
+            path.append(p, false);
+          }
+        // Protect the cached instance from beeing modified by application
+        // code.
+        cleanOutline = new ShapeWrapper(path);
+        outline = cleanOutline;
+      }
+    else
+      {
+        outline = cleanOutline;
+      }
+    if (x != 0 || y != 0)
+      {
+        GeneralPath path = new GeneralPath(outline);
+        AffineTransform t = new AffineTransform();
+        t.translate(x, y);
+        path.transform(t);
+        outline = path;
       }
-    AffineTransform t = new AffineTransform();
-    t.translate(x, y);
-    outline.transform(t);
     return outline;
   }