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-rw-r--r--src/fltk-images-rgb-png.ads3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/fltk-images-rgb-png.ads b/src/fltk-images-rgb-png.ads
index fbcb69b..760f84d 100644
--- a/src/fltk-images-rgb-png.ads
+++ b/src/fltk-images-rgb-png.ads
@@ -5,6 +5,9 @@ package FLTK.Images.RGB.PNG is
type PNG_Image is new RGB_Image with private;
+ type PNG_Image_Reference (Data : not null access PNG_Image'Class) is limited null record
+ with Implicit_Dereference => Data;
+