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with
Interfaces.C,
System;
use type
System.Address;
package body FLTK.Images.RGB is
procedure free_fl_rgb_image
(I : in System.Address);
pragma Import (C, free_fl_rgb_image, "free_fl_rgb_image");
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");
function fl_rgb_image_copy2
(I : in System.Address)
return System.Address;
pragma Import (C, fl_rgb_image_copy2, "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");
procedure fl_rgb_image_desaturate
(I : in System.Address);
pragma Import (C, fl_rgb_image_desaturate, "fl_rgb_image_desaturate");
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");
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;
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;
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;
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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