--- old/src/java.desktop/windows/classes/sun/awt/windows/TranslucentWindowPainter.java	2017-11-03 19:06:29.932519132 +0530
+++ new/src/java.desktop/windows/classes/sun/awt/windows/TranslucentWindowPainter.java	2017-11-03 19:06:29.684519132 +0530
@@ -30,6 +30,7 @@
 import java.awt.GraphicsConfiguration;
 import java.awt.Image;
 import java.awt.Window;
+import java.awt.geom.AffineTransform;
 import java.awt.image.BufferedImage;
 import java.awt.image.DataBufferInt;
 import java.awt.image.VolatileImage;
@@ -38,6 +39,7 @@
 import sun.java2d.DestSurfaceProvider;
 import sun.java2d.InvalidPipeException;
 import sun.java2d.Surface;
+import sun.java2d.pipe.Region;
 import sun.java2d.pipe.RenderQueue;
 import sun.java2d.pipe.BufferedContext;
 import sun.java2d.pipe.hw.AccelGraphicsConfig;
@@ -134,6 +136,8 @@
         while (!done) {
             if (repaint) {
                 Graphics2D g = (Graphics2D)bb.getGraphics();
+                g.transform(peer.getGraphicsConfiguration()
+                        .getDefaultTransform());
                 try {
                     window.paintAll(g);
                 } finally {
@@ -178,8 +182,12 @@
 
         @Override
         protected Image getBackBuffer(boolean clear) {
-            int w = window.getWidth();
-            int h = window.getHeight();
+            GraphicsConfiguration gc = peer.getGraphicsConfiguration();
+            AffineTransform transform = gc.getDefaultTransform();
+            int w = Region.clipRound(
+                    window.getWidth() * transform.getScaleX());
+            int h = Region.clipRound(
+                    window.getHeight() * transform.getScaleY());
             if (backBuffer == null ||
                 backBuffer.getWidth() != w ||
                 backBuffer.getHeight() != h)
--- old/src/java.desktop/windows/classes/sun/awt/windows/WWindowPeer.java	2017-11-03 19:06:30.616519132 +0530
+++ new/src/java.desktop/windows/classes/sun/awt/windows/WWindowPeer.java	2017-11-03 19:06:30.352519132 +0530
@@ -33,6 +33,7 @@
 import java.awt.Dialog;
 import java.awt.Dimension;
 import java.awt.Graphics;
+import java.awt.Graphics2D;
 import java.awt.GraphicsConfiguration;
 import java.awt.GraphicsDevice;
 import java.awt.GraphicsEnvironment;
@@ -717,7 +718,13 @@
 
     public final Graphics getTranslucentGraphics() {
         synchronized (getStateLock()) {
-            return isOpaque ? null : painter.getBackBuffer(false).getGraphics();
+            Graphics g = isOpaque ? null : painter.getBackBuffer(false)
+                    .getGraphics();
+            if (g != null) {
+                ((Graphics2D)g).transform(getGraphicsConfiguration()
+                        .getDefaultTransform());
+            }
+            return g;
         }
     }