--  Programmed by Jedidiah Barber
--  Released into the public domain


package FLTK.Widgets.Groups.Color_Choosers is


    type Color_Chooser is new Group with private;

    type Color_Chooser_Reference (Data : not null access Color_Chooser'Class) is
        limited null record with Implicit_Dereference => Data;

    type Color_Mode is (RGB, Byte, Hex, HSV);




    package Forge is

        function Create
               (X, Y, W, H : in Integer;
                Text       : in String := "")
            return Color_Chooser;

        function Create
               (Parent     : in out Group'Class;
                X, Y, W, H : in     Integer;
                Text       : in     String := "")
            return Color_Chooser;

    end Forge;




    --  RGB Color  --

    function Get_Red
           (This : in Color_Chooser)
        return Long_Float;

    function Get_Green
           (This : in Color_Chooser)
        return Long_Float;

    function Get_Blue
           (This : in Color_Chooser)
        return Long_Float;

    procedure Set_RGB
           (This    : in out Color_Chooser;
            R, G, B : in     Long_Float);

    function Set_RGB
           (This    : in out Color_Chooser;
            R, G, B : in     Long_Float)
        return Boolean;




    --  HSV Color  --

    function Get_Hue
           (This : in Color_Chooser)
        return Long_Float;

    function Get_Saturation
           (This : in Color_Chooser)
        return Long_Float;

    function Get_Value
           (This : in Color_Chooser)
        return Long_Float;

    procedure Set_HSV
           (This    : in out Color_Chooser;
            H, S, V : in     Long_Float);

    function Set_HSV
           (This    : in out Color_Chooser;
            H, S, V : in     Long_Float)
        return Boolean;




    --  RGB / HSV Conversion  --

    procedure HSV_To_RGB
           (H, S, V : in     Long_Float;
            R, G, B :    out Long_Float);

    procedure RGB_To_HSV
           (R, G, B : in     Long_Float;
            H, S, V :    out Long_Float);




    --  Settings  --

    function Get_Mode
           (This : in Color_Chooser)
        return Color_Mode;

    procedure Set_Mode
           (This : in out Color_Chooser;
            To   : in     Color_Mode);


private


    type Color_Chooser is new Group with null record;

    overriding procedure Initialize
           (This : in out Color_Chooser);

    overriding procedure Finalize
           (This : in out Color_Chooser);

    procedure Extra_Init
           (This       : in out Color_Chooser;
            X, Y, W, H : in     Integer;
            Text       : in     String)
    with Inline;

    procedure Extra_Final
           (This : in out Color_Chooser)
    with Inline;


    pragma Inline (Get_Red);
    pragma Inline (Get_Green);
    pragma Inline (Get_Blue);
    pragma Inline (Set_RGB);

    pragma Inline (Get_Hue);
    pragma Inline (Get_Saturation);
    pragma Inline (Get_Value);
    pragma Inline (Set_HSV);

    pragma Inline (HSV_To_RGB);
    pragma Inline (RGB_To_HSV);

    pragma Inline (Get_Mode);
    pragma Inline (Set_Mode);


end FLTK.Widgets.Groups.Color_Choosers;