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-rw-r--r--src/Fl_Pixmap.cxx6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/Fl_Pixmap.cxx b/src/Fl_Pixmap.cxx
index 04fc6312d..3086af36b 100644
--- a/src/Fl_Pixmap.cxx
+++ b/src/Fl_Pixmap.cxx
@@ -3,7 +3,7 @@
//
// Pixmap drawing code for the Fast Light Tool Kit (FLTK).
//
-// Copyright 1998-2017 by Bill Spitzak and others.
+// Copyright 1998-2018 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
@@ -149,7 +149,9 @@ void Fl_Pixmap::copy_data() {
Fl_Image *Fl_Pixmap::copy(int W, int H) {
Fl_Pixmap *new_image; // New pixmap
-
+ if (!data()) { // happens with bad pixmap data
+ return new Fl_Pixmap((char *const*)0);
+ }
// Optimize the simple copy where the width and height are the same...
if (W == w() && H == h()) {
// Make an exact copy of the image and return it...