From 3e61ec7044942ebaeda948c64df762a0250f8954 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 20 Nov 2023 17:13:09 +0100
Subject: New member function Fl_Image_Surface::mask(Fl_RGB_Image*)

---
 FL/Fl_Image_Surface.H | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'FL')

diff --git a/FL/Fl_Image_Surface.H b/FL/Fl_Image_Surface.H
index da2f5e761..20a215e3c 100644
--- a/FL/Fl_Image_Surface.H
+++ b/FL/Fl_Image_Surface.H
@@ -82,6 +82,7 @@ public:
   int printable_rect(int *w, int *h) FL_OVERRIDE;
   Fl_Offscreen offscreen();
   void rescale();
+  void mask(const Fl_RGB_Image *);
 };
 
 
@@ -107,11 +108,15 @@ protected:
   int external_offscreen;
   Fl_Image_Surface_Driver(int w, int h, int /*high_res*/, Fl_Offscreen off) : Fl_Widget_Surface(NULL), width(w), height(h), offscreen(off) {external_offscreen = (off != 0);}
   virtual ~Fl_Image_Surface_Driver() {}
+  static void copy_with_mask(Fl_RGB_Image* mask, uchar *dib_dst, uchar *dib_src, 
+                             int line_size, bool bottom_to_top);
+  static Fl_RGB_Image *RGB3_to_RGB1(const Fl_RGB_Image *rgb3, int W, int H);
   void set_current() FL_OVERRIDE = 0;
   void translate(int x, int y) FL_OVERRIDE = 0;
   void untranslate() FL_OVERRIDE = 0;
   int printable_rect(int *w, int *h) FL_OVERRIDE;
   virtual Fl_RGB_Image *image() = 0;
+  virtual void mask(const Fl_RGB_Image *) {}
   /** Each platform implements this function its own way.
    It returns an object implementing all virtual functions
    of class Fl_Image_Surface_Driver for the plaform.
-- 
cgit v1.2.3