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with
Interfaces.C,
System;
use type
System.Address;
package body FLTK.Images.RGB is
function new_fl_rgb_image
(Data : in System.Address;
W, H, D, L : in Interfaces.C.int)
return System.Address;
pragma Import (C, new_fl_rgb_image, "new_fl_rgb_image");
pragma Inline (new_fl_rgb_image);
function new_fl_rgb_image2
(P : in System.Address;
C : in Interfaces.C.unsigned)
return System.Address;
pragma Import (C, new_fl_rgb_image2, "new_fl_rgb_image2");
pragma Inline (new_fl_rgb_image2);
procedure free_fl_rgb_image
(I : in System.Address);
pragma Import (C, free_fl_rgb_image, "free_fl_rgb_image");
pragma Inline (free_fl_rgb_image);
function fl_rgb_image_get_max_size
return Interfaces.C.size_t;
pragma Import (C, fl_rgb_image_get_max_size, "fl_rgb_image_get_max_size");
pragma Inline (fl_rgb_image_get_max_size);
procedure fl_rgb_image_set_max_size
(V : in Interfaces.C.size_t);
pragma Import (C, fl_rgb_image_set_max_size, "fl_rgb_image_set_max_size");
pragma Inline (fl_rgb_image_set_max_size);
function fl_rgb_image_copy
(I : in System.Address;
W, H : in Interfaces.C.int)
return System.Address;
pragma Import (C, fl_rgb_image_copy, "fl_rgb_image_copy");
pragma Inline (fl_rgb_image_copy);
function fl_rgb_image_copy2
(I : in System.Address)
return System.Address;
pragma Import (C, fl_rgb_image_copy2, "fl_rgb_image_copy2");
pragma Inline (fl_rgb_image_copy2);
procedure fl_rgb_image_color_average
(I : in System.Address;
C : in Interfaces.C.int;
B : in Interfaces.C.C_float);
pragma Import (C, fl_rgb_image_color_average, "fl_rgb_image_color_average");
pragma Inline (fl_rgb_image_color_average);
procedure fl_rgb_image_desaturate
(I : in System.Address);
pragma Import (C, fl_rgb_image_desaturate, "fl_rgb_image_desaturate");
pragma Inline (fl_rgb_image_desaturate);
procedure fl_rgb_image_uncache
(I : in System.Address);
pragma Import (C, fl_rgb_image_uncache, "fl_rgb_image_uncache");
pragma Inline (fl_rgb_image_uncache);
procedure fl_rgb_image_draw2
(I : in System.Address;
X, Y : in Interfaces.C.int);
pragma Import (C, fl_rgb_image_draw2, "fl_rgb_image_draw2");
pragma Inline (fl_rgb_image_draw2);
procedure fl_rgb_image_draw
(I : in System.Address;
X, Y, W, H, CX, CY : in Interfaces.C.int);
pragma Import (C, fl_rgb_image_draw, "fl_rgb_image_draw");
pragma Inline (fl_rgb_image_draw);
overriding procedure Finalize
(This : in out RGB_Image) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in RGB_Image'Class
then
free_fl_rgb_image (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Image (This));
end Finalize;
--------------------
-- Construction --
--------------------
package body 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 is
begin
return This : RGB_Image do
This.Void_Ptr := new_fl_rgb_image
(Data (Data'First)'Address,
Interfaces.C.int (Width),
Interfaces.C.int (Height),
Interfaces.C.int (Depth),
Interfaces.C.int (Line_Data));
case fl_image_fail (This.Void_Ptr) is
when 1 => raise No_Image_Error;
when 2 => raise File_Access_Error;
when 3 => raise Format_Error;
when others => null;
end case;
end return;
end Create;
function Create
(Data : in FLTK.Images.Pixmaps.Pixmap'Class;
Background : in Color := Background_Color)
return RGB_Image is
begin
return This : RGB_Image do
This.Void_Ptr := new_fl_rgb_image2
(Wrapper (Data).Void_Ptr,
Interfaces.C.unsigned (Background));
case fl_image_fail (This.Void_Ptr) is
when 1 => raise No_Image_Error;
when 2 => raise File_Access_Error;
when 3 => raise Format_Error;
when others => null;
end case;
end return;
end Create;
end Forge;
function Get_Max_Size
return Natural is
begin
return Natural (fl_rgb_image_get_max_size);
end Get_Max_Size;
procedure Set_Max_Size
(Value : in Natural) is
begin
fl_rgb_image_set_max_size (Interfaces.C.size_t (Value));
end Set_Max_Size;
function Copy
(This : in RGB_Image;
Width, Height : in Natural)
return RGB_Image'Class is
begin
return Copied : RGB_Image do
Copied.Void_Ptr := fl_rgb_image_copy
(This.Void_Ptr,
Interfaces.C.int (Width),
Interfaces.C.int (Height));
end return;
end Copy;
function Copy
(This : in RGB_Image)
return RGB_Image'Class is
begin
return Copied : RGB_Image do
Copied.Void_Ptr := fl_rgb_image_copy2 (This.Void_Ptr);
end return;
end Copy;
--------------
-- Colors --
--------------
procedure Color_Average
(This : in out RGB_Image;
Col : in Color;
Amount : in Blend) is
begin
fl_rgb_image_color_average
(This.Void_Ptr,
Interfaces.C.int (Col),
Interfaces.C.C_float (Amount));
end Color_Average;
procedure Desaturate
(This : in out RGB_Image) is
begin
fl_rgb_image_desaturate (This.Void_Ptr);
end Desaturate;
----------------
-- Activity --
----------------
procedure Uncache
(This : in out RGB_Image) is
begin
fl_rgb_image_uncache (This.Void_Ptr);
end Uncache;
---------------
-- Drawing --
---------------
procedure Draw
(This : in RGB_Image;
X, Y : in Integer) is
begin
fl_rgb_image_draw2
(This.Void_Ptr,
Interfaces.C.int (X),
Interfaces.C.int (Y));
end Draw;
procedure Draw
(This : in RGB_Image;
X, Y, W, H : in Integer;
CX, CY : in Integer := 0) is
begin
fl_rgb_image_draw
(This.Void_Ptr,
Interfaces.C.int (X),
Interfaces.C.int (Y),
Interfaces.C.int (W),
Interfaces.C.int (H),
Interfaces.C.int (CX),
Interfaces.C.int (CY));
end Draw;
end FLTK.Images.RGB;
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