From 28a944114364b8a9a72cfaef207d23b62da64428 Mon Sep 17 00:00:00 2001
From: Michael Bayne <mdb@threerings.net>
Date: Mon, 23 Jun 2003 17:59:04 +0000
Subject: [PATCH] Allow the ImageManager to function if we're running in
 headless mode. It will create all images as 32-bit ARGB.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2674 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 .../threerings/media/image/ImageManager.java   |  9 +++++++--
 .../com/threerings/media/image/ImageUtil.java  | 18 ++++++++++++------
 2 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/src/java/com/threerings/media/image/ImageManager.java b/src/java/com/threerings/media/image/ImageManager.java
index ef1559b5f..9d57195b8 100644
--- a/src/java/com/threerings/media/image/ImageManager.java
+++ b/src/java/com/threerings/media/image/ImageManager.java
@@ -1,5 +1,5 @@
 //
-// $Id: ImageManager.java,v 1.56 2003/05/31 00:56:38 mdb Exp $
+// $Id: ImageManager.java,v 1.57 2003/06/23 17:59:04 mdb Exp $
 
 package com.threerings.media.image;
 
@@ -119,7 +119,12 @@ public class ImageManager
     {
         // DEBUG: override transparency for the moment on all images
         transparency = Transparency.TRANSLUCENT;
-        return _gc.createCompatibleImage(width, height, transparency);
+	if (_gc != null) {
+            return _gc.createCompatibleImage(width, height, transparency);
+        } else {
+            // if we're running in headless mode, do everything in 24-bit
+            return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+        }
     }
 
     /**
diff --git a/src/java/com/threerings/media/image/ImageUtil.java b/src/java/com/threerings/media/image/ImageUtil.java
index 1171a98e6..b0d33ab6d 100644
--- a/src/java/com/threerings/media/image/ImageUtil.java
+++ b/src/java/com/threerings/media/image/ImageUtil.java
@@ -1,5 +1,5 @@
 //
-// $Id: ImageUtil.java,v 1.32 2003/05/07 19:14:38 mdb Exp $
+// $Id: ImageUtil.java,v 1.33 2003/06/23 17:59:04 mdb Exp $
 
 package com.threerings.media.image;
 
@@ -10,6 +10,7 @@ import java.awt.Graphics2D;
 import java.awt.GraphicsConfiguration;
 import java.awt.GraphicsDevice;
 import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
 import java.awt.Image;
 import java.awt.Rectangle;
 import java.awt.Shape;
@@ -576,16 +577,21 @@ public class ImageUtil
     }
 
     /**
-     * Obtains the default graphics configuration for this VM.
+     * Obtains the default graphics configuration for this VM. If the JVM
+     * is in headless mode, this method will return null.
      */
     protected static GraphicsConfiguration getDefGC ()
     {
         if (_gc == null) {
             // obtain information on our graphics environment
-            GraphicsEnvironment env =
-                GraphicsEnvironment.getLocalGraphicsEnvironment();
-            GraphicsDevice gd = env.getDefaultScreenDevice();
-            _gc = gd.getDefaultConfiguration();
+            try {
+                GraphicsEnvironment env =
+                    GraphicsEnvironment.getLocalGraphicsEnvironment();
+                GraphicsDevice gd = env.getDefaultScreenDevice();
+                _gc = gd.getDefaultConfiguration();
+            } catch (HeadlessException e) {
+                // no problem, just return null
+            }
         }
         return _gc;
     }