add the possibility to decorate the main window.

resources/config/defaults.properties

@@ -38,6 +38,7 @@ impl.gui.WINDOW_TRANSPARENCY=180
 impl.gui.IS_WINDOW_DECORATED=true
 impl.gui.IS_WINDOW_BACKGROUND_ENABLED=false
 impl.gui.IS_WINDOW_COLOR_BACKGROUND_ENABLED=true
+impl.gui.IS_WINDOW_IMAGE_BACKGROUND_ENABLED=false
 impl.gui.IS_TEXTURE_BACKGROUND=false
 impl.gui.GREY_HISTORY_ENABLED=false
 

src/net/java/sip/communicator/util/swing/SIPCommFrame.java

@@ -9,6 +9,8 @@
 import java.awt.*;
 import java.awt.event.*;
 import java.awt.geom.*;
+import java.awt.image.*;
+import java.net.*;
 import java.util.*;
 
 import javax.swing.*;
@@ -399,10 +401,16 @@ public static class MainContentPane
     {
         private final boolean isColorBgEnabled;
 
+        private final boolean isImageBgEnabled;
+
         private final Color bgStartColor;
 
         private final Color bgEndColor;
 
+        private BufferedImage bgImage = null;
+
+        private TexturePaint texture = null;
+
         public MainContentPane()
         {
             super(new BorderLayout());
@@ -433,6 +441,25 @@ public MainContentPane()
                 bgStartColor = null;
                 bgEndColor = null;
             }
+
+            isImageBgEnabled =
+                new Boolean(resources.getSettingsString(
+                    "impl.gui.IS_WINDOW_IMAGE_BACKGROUND_ENABLED"))
+                    .booleanValue();
+
+            if (isImageBgEnabled)
+            {
+                final URL bgImagePath
+                    = resources.getImageURL("service.gui.WINDOW_TITLE_BAR_BG");
+
+                bgImage = ImageUtils.getBufferedImage(bgImagePath);
+
+                final Rectangle rect =
+                    new Rectangle(0, 0, bgImage.getWidth(),
+                                    bgImage.getHeight());
+
+                texture = new TexturePaint(bgImage, rect);
+            }
         }
 
         public void paintComponent(Graphics g)
@@ -453,6 +480,18 @@ public void paintComponent(Graphics g)
                     g.dispose();
                 }
             }
+
+            if (isImageBgEnabled)
+            {
+                if (bgImage != null && texture != null)
+                {
+                    Graphics2D g2 = (Graphics2D) g;
+
+                    g2.setPaint(texture);
+
+                    g2.fillRect(0, 0, this.getWidth(), bgImage.getHeight());
+                }
+            }
         }
 
         private void internalPaintComponent(Graphics g)