From c68328c2bff997c5f4846592e3f06aea4998f720 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Sat, 5 May 2018 08:30:34 +0000
Subject: Add checks for NULL pointer, just in case.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12897 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Widget_Surface.cxx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/Fl_Widget_Surface.cxx b/src/Fl_Widget_Surface.cxx
index 595e71cb5..f255164fc 100644
--- a/src/Fl_Widget_Surface.cxx
+++ b/src/Fl_Widget_Surface.cxx
@@ -158,11 +158,13 @@ void Fl_Widget_Surface::print_window_part(Fl_Window *win, int x, int y, int w, i
   Fl::check();
   win->driver()->flush(); // makes the window current
   Fl_RGB_Image *img = Fl_Screen_Driver::traverse_to_gl_subwindows(win, x, y, w, h, NULL);
-  img->scale(w, h, 1, 1);
+  if (img) img->scale(w, h, 1, 1);
   if (save_front != win) save_front->show();
   Fl_Surface_Device::pop_current();
-  img->draw(delta_x, delta_y);
-  delete img;
+  if (img) {
+    img->draw(delta_x, delta_y);
+    delete img;
+  }
 }
 
 /**
-- 
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