Moved createImageCursor() into SwingUtil.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1132 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/swing/dnd/DnDManager.java

@@ -1,5 +1,5 @@
 //
-// $Id: DnDManager.java,v 1.17 2003/05/09 21:32:11 ray Exp $
+// $Id: DnDManager.java,v 1.18 2003/05/15 22:02:11 mdb Exp $
 
 package com.samskivert.swing.dnd;
 
@@ -8,13 +8,11 @@ import java.awt.Container;
 import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.Graphics;
-import java.awt.GraphicsEnvironment;
 import java.awt.IllegalComponentStateException;
 import java.awt.Image;
 import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.Toolkit;
-import java.awt.Transparency;
 
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
@@ -99,63 +97,6 @@ public class DnDManager
         singleton.removeTarget(comp);
     }
 
-    /**
-     * Create a custom cursor out of the specified image, putting the hotspot
-     * in the exact center of the created cursor.
-     */
-    public static Cursor createImageCursor (Image img)
-    {
-        return createImageCursor(img, null);
-    }
-
-    /**
-     * Create a custom cursor out of the specified image, with the specified
-     * hotspot.
-     */
-    public static Cursor createImageCursor (Image img, Point hotspot)
-    {
-        Toolkit tk = Toolkit.getDefaultToolkit();
-
-        // for now, just report the cursor restrictions, then blindly create
-        int w = img.getWidth(null);
-        int h = img.getHeight(null);
-        Dimension d = tk.getBestCursorSize(w, h);
-        int colors = tk.getMaximumCursorColors();
-        Log.debug("Creating custom cursor [desiredSize=" + w + "x" + h +
-                  ", bestSize=" + d.width + "x" + d.height +
-                  ", maxcolors=" + colors + "].");
-
-        // if the passed-in image is smaller, pad it with transparent pixels
-        // and use it anyway.
-        if (((w < d.width) && (h <= d.height)) ||
-            ((w <= d.width) && (h < d.height))) {
-            Image padder = GraphicsEnvironment.getLocalGraphicsEnvironment().
-                getDefaultScreenDevice().getDefaultConfiguration().
-                createCompatibleImage(d.width, d.height, Transparency.BITMASK);
-            Graphics g = padder.getGraphics();
-            g.drawImage(img, 0, 0, null);
-            g.dispose();
-
-            // and reassign the image to the padded image
-            img = padder;
-
-            // and adjust the 'best' to cheat the hotspot checking code
-            d.width = w;
-            d.height = h;
-        }
-
-        // make sure the hotspot is valid
-        if (hotspot == null) {
-            hotspot = new Point(d.width / 2, d.height / 2);
-        } else {
-            hotspot.x = Math.min(d.width - 1, Math.max(0, hotspot.x));
-            hotspot.y = Math.min(d.height - 1, Math.max(0, hotspot.y));
-        }
-
-        // and create the cursor
-        return tk.createCustomCursor(img, hotspot, "samskivertDnDCursor");
-    }
-
     /**
      * Restrict construction.
      */

projects/samskivert/src/java/com/samskivert/swing/util/SwingUtil.java

@@ -1,5 +1,5 @@
 //
-// $Id: SwingUtil.java,v 1.22 2003/04/04 18:55:24 mdb Exp $
+// $Id: SwingUtil.java,v 1.23 2003/05/15 22:02:11 mdb Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -22,16 +22,20 @@ package com.samskivert.swing.util;
 
 import java.awt.Component;
 import java.awt.Container;
+import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.FontMetrics;
 import java.awt.Graphics2D;
 import java.awt.Graphics;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
 import java.awt.Point;
 import java.awt.Polygon;
 import java.awt.Rectangle;
 import java.awt.RenderingHints;
 import java.awt.Shape;
 import java.awt.Toolkit;
+import java.awt.Transparency;
 import java.awt.Window;
 
 import java.awt.geom.Area;
@@ -532,4 +536,61 @@ public class SwingUtil
         c.revalidate();
         c.repaint();
     }
+
+    /**
+     * Create a custom cursor out of the specified image, putting the hotspot
+     * in the exact center of the created cursor.
+     */
+    public static Cursor createImageCursor (Image img)
+    {
+        return createImageCursor(img, null);
+    }
+
+    /**
+     * Create a custom cursor out of the specified image, with the specified
+     * hotspot.
+     */
+    public static Cursor createImageCursor (Image img, Point hotspot)
+    {
+        Toolkit tk = Toolkit.getDefaultToolkit();
+
+        // for now, just report the cursor restrictions, then blindly create
+        int w = img.getWidth(null);
+        int h = img.getHeight(null);
+        Dimension d = tk.getBestCursorSize(w, h);
+        int colors = tk.getMaximumCursorColors();
+//         Log.debug("Creating custom cursor [desiredSize=" + w + "x" + h +
+//                   ", bestSize=" + d.width + "x" + d.height +
+//                   ", maxcolors=" + colors + "].");
+
+        // if the passed-in image is smaller, pad it with transparent pixels
+        // and use it anyway.
+        if (((w < d.width) && (h <= d.height)) ||
+            ((w <= d.width) && (h < d.height))) {
+            Image padder = GraphicsEnvironment.getLocalGraphicsEnvironment().
+                getDefaultScreenDevice().getDefaultConfiguration().
+                createCompatibleImage(d.width, d.height, Transparency.BITMASK);
+            Graphics g = padder.getGraphics();
+            g.drawImage(img, 0, 0, null);
+            g.dispose();
+
+            // and reassign the image to the padded image
+            img = padder;
+
+            // and adjust the 'best' to cheat the hotspot checking code
+            d.width = w;
+            d.height = h;
+        }
+
+        // make sure the hotspot is valid
+        if (hotspot == null) {
+            hotspot = new Point(d.width / 2, d.height / 2);
+        } else {
+            hotspot.x = Math.min(d.width - 1, Math.max(0, hotspot.x));
+            hotspot.y = Math.min(d.height - 1, Math.max(0, hotspot.y));
+        }
+
+        // and create the cursor
+        return tk.createCustomCursor(img, hotspot, "samskivertDnDCursor");
+    }
 }