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diff --git a/spec/fltk-images-rgb.ads b/spec/fltk-images-rgb.ads
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@@ -0,0 +1,129 @@
+
+
+--  Programmed by Jedidiah Barber
+--  Released into the public domain
+
+
+with
+
+    FLTK.Images.Pixmaps;
+
+
+package FLTK.Images.RGB is
+
+
+    -------------
+    --  Types  --
+    -------------
+
+    type RGB_Image is new Image with private;
+
+    type RGB_Image_Reference (Data : not null access RGB_Image'Class) is limited null record
+        with Implicit_Dereference => Data;
+
+
+
+
+    --------------------
+    --  Construction  --
+    --------------------
+
+    package Forge is
+
+        function Create
+               (Data          : in Color_Component_Array;
+                Width, Height : in Natural;
+                Depth         : in Natural := 3;
+                Line_Data     : in Natural := 0)
+            return RGB_Image;
+
+        function Create
+               (Data       : in FLTK.Images.Pixmaps.Pixmap'Class;
+                Background : in Color := Background_Color)
+            return RGB_Image;
+
+    end Forge;
+
+    function Get_Max_Size
+        return Natural;
+
+    procedure Set_Max_Size
+           (Value : in Natural);
+
+    function Copy
+           (This          : in RGB_Image;
+            Width, Height : in Natural)
+        return RGB_Image'Class;
+
+    function Copy
+           (This : in RGB_Image)
+        return RGB_Image'Class;
+
+
+
+
+    --------------
+    --  Colors  --
+    --------------
+
+    procedure Color_Average
+           (This   : in out RGB_Image;
+            Col    : in     Color;
+            Amount : in     Blend);
+
+    procedure Desaturate
+           (This : in out RGB_Image);
+
+
+
+
+    ----------------
+    --  Activity  --
+    ----------------
+
+    procedure Uncache
+           (This : in out RGB_Image);
+
+
+
+
+    ---------------
+    --  Drawing  --
+    ---------------
+
+    procedure Draw
+           (This : in RGB_Image;
+            X, Y : in Integer);
+
+    procedure Draw
+           (This       : in RGB_Image;
+            X, Y, W, H : in Integer;
+            CX, CY     : in Integer := 0);
+
+
+private
+
+
+    type RGB_Image is new Image with null record;
+
+    overriding procedure Finalize
+           (This : in out RGB_Image);
+
+
+    pragma Inline (Get_Max_Size);
+    pragma Inline (Set_Max_Size);
+    pragma Inline (Copy);
+
+
+    pragma Inline (Color_Average);
+    pragma Inline (Desaturate);
+
+
+    pragma Inline (Uncache);
+
+
+    pragma Inline (Draw);
+
+
+end FLTK.Images.RGB;
+