src/windows/classes/sun/awt/windows/WComponentPeer.java

rev 1556 : 6794764: Translucent windows are completely repainted on every paint event, on Windows
6719382: Printing of AWT components on windows is not working
6726866: Repainting artifacts when resizing or dragging JInternalFrames in non-opaque toplevel
6683775: Painting artifacts is seen when panel is made setOpaque(false) for a translucent window
Reviewed-by: anthony, tdv, alexp
rev 1571 : 8010297: Missing isLoggable() checks in logging code
Summary: Add isLoggable() checks
Reviewed-by: anthony, mchung, serb
Contributed-by: Laurent Bourges <bourges.laurent@gmail.com>

@@ -239,11 +239,12 @@
     public void repaint(long tm, int x, int y, int width, int height) {
     }
 
     private static final double BANDING_DIVISOR = 4.0;
     private native int[] createPrintedPixels(int srcX, int srcY,
-                                             int srcW, int srcH);
+                                             int srcW, int srcH,
+                                             int alpha);
     public void print(Graphics g) {
 
         Component comp = (Component)target;
 
         // To conserve memory usage, we will band the image.

@@ -261,11 +262,13 @@
             if (endY >= totalH) {
                 endY = totalH - 1;
             }
             int h = endY - startY + 1;
 
-            int[] pix = createPrintedPixels(0, startY, totalW, h);
+            Color bgColor = comp.getBackground();
+            int[] pix = createPrintedPixels(0, startY, totalW, h,
+                                            bgColor == null ? 255 : bgColor.getAlpha());
             if (pix != null) {
                 BufferedImage bim = new BufferedImage(totalW, h,
                                               BufferedImage.TYPE_INT_ARGB);
                 bim.setRGB(0, 0, totalW, h, pix, 0, totalW);
                 g.drawImage(bim, 0, startY, null);

@@ -947,12 +950,11 @@
      * Applies the shape to the native component window.
      * @since 1.7
      */
     public void applyShape(Region shape) {
         if (shapeLog.isLoggable(Level.FINER)) {
-            shapeLog.finer(
-                    "*** INFO: Setting shape: PEER: " + this
+            shapeLog.finer("*** INFO: Setting shape: PEER: " + this
                     + "; TARGET: " + target
                     + "; SHAPE: " + shape);
         }
 
         if (shape != null) {