Allow padding to be specified for sprite icons.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1678 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -1,5 +1,5 @@
 //
-// $Id: SpriteIcon.java,v 1.2 2002/05/16 03:00:29 mdb Exp $
+// $Id: SpriteIcon.java,v 1.3 2002/09/13 04:50:31 mdb Exp $
 
 package com.threerings.media.sprite;
 
@@ -24,8 +24,26 @@ public class SpriteIcon implements Icon
      * {@link #setOriginOffset}.
      */
     public SpriteIcon (Sprite sprite)
+    {
+        this(sprite, 0);
+    }
+
+    /**
+     * Creates a sprite icon that will use the supplied sprite to render
+     * itself. This sprite should not be used for anything else while
+     * being used in this icon because it will be "moved" when the icon is
+     * rendered. The sprite's origin will be set to the bottom center of
+     * the label. If this is undesirable, the origin can be offset via
+     * {@link #setOriginOffset}.
+     *
+     * @param sprite the sprite to render in this label.
+     * @param padding the number of pixels of blank space to put on all
+     * four sides of the sprite.
+     */
+    public SpriteIcon (Sprite sprite, int padding)
     {
         _sprite = sprite;
+        _padding = padding;
     }
 
     /**
@@ -44,26 +62,29 @@ public class SpriteIcon implements Icon
     {
         // move the sprite to a "location" that is in the bottom center of
         // our bounds (plus whatever offsets we have)
-        _sprite.setLocation(x + _sprite.getWidth()/2 + _offx,
-                            y + _sprite.getHeight() + _offy);
+        _sprite.setLocation(x + _sprite.getWidth()/2 + _offx + _padding,
+                            y + _sprite.getHeight() + _offy + _padding);
         _sprite.paint((Graphics2D)g);
     }
     
     // documentation inherited from interface
     public int getIconWidth ()
     {
-        return _sprite.getWidth();
+        return _sprite.getWidth() + 2*_padding;
     }
 
     // documentation inherited from interface
     public int getIconHeight ()
     {
-        return _sprite.getHeight();
+        return _sprite.getHeight() + 2*_padding;
     }
 
     /** The sprite used to render this icon. */
     protected Sprite _sprite;
 
+    /** Used to put a bit of padding around the sprite image. */
+    protected int _padding;
+
     /** Origin offsets to use when rendering the icon. */
     protected int _offx, _offy;
 }