1 files changed, 3 insertions, 0 deletions
diff --git a/FL/Fl_PostScript.H b/FL/Fl_PostScript.H
index 69114ce2c..0c52be73b 100644
--- a/FL/Fl_PostScript.H
+++ b/FL/Fl_PostScript.H
@@ -67,6 +67,9 @@ private:
   void *prepare85();
   void write85(void *data, const uchar *p, int len);
   void close85(void *data);
+protected:
+  uchar **mask_bitmap() {return &mask;}
+  void mask_bitmap(uchar **value) { }
 public:
   static const char *class_id;
   const char *class_name() {return class_id;};