Add public accessor Fl_Shared_Image::original().

This public, inline, and read-only accessor is intended for debugging
purposes but can be useful for user code as well.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12472 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 15 insertions, 2 deletions

diff --git a/FL/Fl_Shared_Image.H b/FL/Fl_Shared_Image.H
index 64d5f51fd..4ef226eb7 100644
--- a/FL/Fl_Shared_Image.H
+++ b/FL/Fl_Shared_Image.H
@@ -3,7 +3,7 @@
 //
 // Shared image header file for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2016 by Bill Spitzak and others.
+// Copyright 1998-2017 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
@@ -83,8 +83,21 @@ protected:
 public:
   /** Returns the filename of the shared image */
   const char	*name() { return name_; }
-  /** Returns the number of references of this shared image. When reference is below 1, the image is deleted. */
+
+  /** Returns the number of references of this shared image.
+    When reference is below 1, the image is deleted.
+  */
   int		refcount() { return refcount_; }
+
+  /** Returns whether this is an original image.
+    Images loaded from a file or from memory are marked \p original as
+    opposed to images created as a copy of another image with different
+    size (width or height).
+    \note This is useful for debugging (rarely used in user code).
+    \since FLTK 1.4.0
+  */
+  int original() { return original_; }
+
   void		release();
   void		reload();