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with
Interfaces.C,
System;
use type
System.Address;
package body FLTK.Images.RGB.JPEG is
function new_fl_jpeg_image
(F : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_jpeg_image, "new_fl_jpeg_image");
pragma Inline (new_fl_jpeg_image);
function new_fl_jpeg_image2
(N : in Interfaces.C.char_array;
D : in System.Address)
return System.Address;
pragma Import (C, new_fl_jpeg_image2, "new_fl_jpeg_image2");
pragma Inline (new_fl_jpeg_image2);
procedure free_fl_jpeg_image
(P : in System.Address);
pragma Import (C, free_fl_jpeg_image, "free_fl_jpeg_image");
pragma Inline (free_fl_jpeg_image);
overriding procedure Finalize
(This : in out JPEG_Image) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in JPEG_Image'Class
then
free_fl_jpeg_image (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (RGB_Image (This));
end Finalize;
--------------------
-- Construction --
--------------------
package body Forge is
function Create
(Filename : in String)
return JPEG_Image is
begin
return This : JPEG_Image do
This.Void_Ptr := new_fl_jpeg_image
(Interfaces.C.To_C (Filename));
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
(Name : in String := "";
Data : in Color_Component_Array)
return JPEG_Image is
begin
return This : JPEG_Image do
This.Void_Ptr := new_fl_jpeg_image2
(Interfaces.C.To_C (Name),
Data (Data'First)'Address);
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;
end FLTK.Images.RGB.JPEG;
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