graphics/: Correct logic for copy of bit maps with resolution less than 8 bits from the per-window framebuffer to the device.

libs/libnx/nxtk/nxtk_openwindow.c

@@ -109,7 +109,7 @@ NXTKWINDOW nxtk_openwindow(NXHANDLE handle, uint8_t flags,
   int ret;
 
 #ifdef CONFIG_DEBUG_FEATURES
-  if (handle == NULL || cb == NULL)
+  if (handle == NULL || cb == NULL ||  (flags & ~NXTK_WINDOW_USER) != 0)
     {
       set_errno(EINVAL);
       return NULL;
@@ -134,8 +134,8 @@ NXTKWINDOW nxtk_openwindow(NXHANDLE handle, uint8_t flags,
 
   /* Then let nx_constructwindow do the rest */
 
-  ret = nx_constructwindow(handle, (NXWINDOW)&fwnd->wnd, flags, &g_nxtkcb,
-                           NULL);
+  ret = nx_constructwindow(handle, (NXWINDOW)&fwnd->wnd,
+                           flags | NXBE_WINDOW_FRAMED, &g_nxtkcb, NULL);
   if (ret < 0)
     {
       /* An error occurred, the window has been freed */

libs/libnx/nxtk/nxtk_setsize.c

@@ -99,9 +99,6 @@ int nxtk_setsize(NXTKWINDOW hfwnd, FAR const struct nxgl_size_s *size)
    * callbacks.  Normally the frame is updated with every redraw callback.
    * However, as a minimum, the frame only has to but updated after the
    * window or toolbar sizes change.
-   *
-   * REVISIT: Since this works for RAM backed windows, it should work for
-   * all windows.  Why not simplify?
    */
 
   if (ret >= 0 && NXBE_ISRAMBACKED(&fwnd->wnd))