Some fiddling to support a potential wacky project.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@104 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/AbstractMediaManager.java

@@ -56,11 +56,13 @@ public abstract class AbstractMediaManager
     }
 
     /**
-     * Returns the media panel with which we are coordinating.
+     * Creates a graphics that can be used to compute metrics or whatever else a media might need.
+     * The caller should call {@link Graphics2D#dispose} on the returned object when it is done
+     * with it.
      */
-    public MediaPanel getMediaPanel ()
+    public Graphics2D createGraphics ()
     {
-        return _panel;
+        return (Graphics2D)_panel.getGraphics();
     }
 
     /**

src/java/com/threerings/media/animation/FadeLabelAnimation.java

@@ -61,7 +61,7 @@ public class FadeLabelAnimation extends FadeAnimation
 
         // if our label is not yet laid out, do the deed
         if (!_label.isLaidOut()) {
-            Graphics2D gfx = (Graphics2D)_mgr.getMediaPanel().getGraphics();
+            Graphics2D gfx = (Graphics2D)_mgr.createGraphics();
             if (gfx != null) {
                 gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                      _antiAliased ?

src/java/com/threerings/media/sprite/ButtonSprite.java

@@ -254,7 +254,12 @@ public class ButtonSprite extends Sprite
 
         // lay out the label if not already
         if (!_label.isLaidOut()) {
-            _label.layout(_mgr.getMediaPanel());
+            Graphics2D gfx = _mgr.createGraphics();
+            try {
+                _label.layout(gfx);
+            } finally {
+                gfx.dispose();
+            }
         }
 
         updateBounds();

src/java/com/threerings/media/sprite/LabelSprite.java

@@ -96,13 +96,17 @@ public class LabelSprite extends Sprite
      */
     protected void layoutLabel ()
     {
-        Graphics2D gfx = (Graphics2D)_mgr.getMediaPanel().getGraphics();
-        if (gfx != null) {
+        Graphics2D gfx = _mgr.createGraphics();
+        if (gfx == null) {
+            return;
+        }
+        try {
             gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                  (_antiAliased) ?
                                  RenderingHints.VALUE_ANTIALIAS_ON :
                                  RenderingHints.VALUE_ANTIALIAS_OFF);
             _label.layout(gfx);
+        } finally {
             gfx.dispose();
         }
     }