Behold, Nenya, Ring of Water and repository for our media and animation related

goodies, both Java 2D and LWJGL/JME 3D. git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@1 ed5b42cb-e716-0410-a449-f6a68f950b19
2006-06-23 18:07:28 +00:00
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+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.media.animation;
+
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.RenderingHints;
+
+import com.samskivert.swing.Label;
+import com.samskivert.swing.util.SwingUtil;
+
+import com.threerings.media.Log;
+
+/**
+ * Does something extraordinary.
+ */
+public class FadeLabelAnimation extends FadeAnimation
+{
+    /**
+     * Creates a label fading animation.
+     */
+    public FadeLabelAnimation (Label label, int x, int y,
+                               float alpha, float step, float target)
+    {
+        super(new Rectangle(x, y, 0, 0), alpha, step, target);
+        _label = label;
+    }
+
+    /**
+     * Indicates that our label should be rendered with antialiased text.
+     */
+    public void setAntiAliased (boolean antiAliased)
+    {
+        _antiAliased = antiAliased;
+    }
+
+    // documentation inherited
+    protected void init ()
+    {
+        super.init();
+
+        // if our label is not yet laid out, do the deed
+        if (!_label.isLaidOut()) {
+            Graphics2D gfx = (Graphics2D)_mgr.getMediaPanel().getGraphics();
+            if (gfx != null) {
+                gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+                                     _antiAliased ?
+                                     RenderingHints.VALUE_ANTIALIAS_ON :
+                                     RenderingHints.VALUE_ANTIALIAS_OFF);
+                _label.layout(gfx);
+                gfx.dispose();
+            }
+        }
+
+        // size the bounds to fit our label
+        Dimension size = _label.getSize();
+        _bounds.width = size.width;
+        _bounds.height = size.height;
+    }
+
+    // documentation inherited
+    protected void paintAnimation (Graphics2D gfx)
+    {
+        Object ohints = null;
+        if (_antiAliased) {
+            ohints = SwingUtil.activateAntiAliasing(gfx);
+        }
+        _label.render(gfx, _bounds.x, _bounds.y);
+        if (_antiAliased) {
+            SwingUtil.restoreAntiAliasing(gfx, ohints);
+        }
+    }
+
+    /** The label we are rendering. */
+    protected Label _label;
+
+    /** Whether or not to use anti-aliased rendering. */
+    protected boolean _antiAliased;
+}