src/java.desktop/windows/classes/sun/awt/windows/WWindowPeer.java

@@ -36,10 +36,11 @@
 import sun.util.logging.PlatformLogger;
 import java.awt.geom.AffineTransform;
 import sun.awt.*;
 
 import sun.java2d.pipe.Region;
+import sun.swing.SwingUtilities2;
 
 public class WWindowPeer extends WPanelPeer implements WindowPeer,
        DisplayChangedListener
 {
 

@@ -628,13 +629,46 @@
          sysX = x;
          sysY = y;
          sysW = width;
          sysH = height;
 
+         int cx = x + width / 2;
+         int cy = y + height / 2;
+         GraphicsConfiguration current = getGraphicsConfiguration();
+         GraphicsConfiguration other = SwingUtilities2.getGraphicsConfigurationAtPoint(current, cx, cy);
+         if (!current.equals(other)) {
+             AffineTransform tx = other.getDefaultTransform();
+             double otherScaleX = tx.getScaleX();
+             double otherScaleY = tx.getScaleY();
+             initScales();
+             if (scaleX != otherScaleX || scaleY != otherScaleY) {
+                 x = sysX = (int) Math.floor(x * otherScaleX / scaleX);
+                 y = sysY = (int) Math.floor(y * otherScaleY / scaleY);
+             }
+         }
+
          super.setBounds(x, y, width, height, op);
      }
 
+    private final void initScales() {
+
+        if (scaleX >= 1 && scaleY >= 1) {
+            return;
+        }
+
+        GraphicsConfiguration gc = getGraphicsConfiguration();
+        if (gc instanceof Win32GraphicsConfig) {
+            Win32GraphicsDevice gd = ((Win32GraphicsConfig) gc).getDevice();
+            scaleX = gd.getDefaultScaleX();
+            scaleY = gd.getDefaultScaleY();
+        } else {
+            AffineTransform tx = gc.getDefaultTransform();
+            scaleX = (float) tx.getScaleX();
+            scaleY = (float) tx.getScaleY();
+        }
+    }
+
     @Override
     public void print(Graphics g) {
         // We assume we print the whole frame,
         // so we expect no clip was set previously
         Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);