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with
Interfaces.C,
System;
use type
System.Address;
package body FLTK.Devices.Surfaces.Image is
function new_fl_image_surface
(W, H, R : in Interfaces.C.int)
return System.Address;
pragma Import (C, new_fl_image_surface, "new_fl_image_surface");
procedure free_fl_image_surface
(S : in System.Address);
pragma Import (C, free_fl_image_surface, "free_fl_image_surface");
procedure fl_image_surface_draw
(S, I : in System.Address;
OX, OY : in Interfaces.C.int);
pragma Import (C, fl_image_surface_draw, "fl_image_surface_draw");
procedure fl_image_surface_draw_decorated_window
(S, I : in System.Address;
OX, OY : in Interfaces.C.int);
pragma Import (C, fl_image_surface_draw_decorated_window,
"fl_image_surface_draw_decorated_window");
function fl_image_surface_image
(S : in System.Address)
return System.Address;
pragma Import (C, fl_image_surface_image, "fl_image_surface_image");
procedure fl_image_surface_set_current
(S : in System.Address);
pragma Import (C, fl_image_surface_set_current, "fl_image_surface_set_current");
procedure Finalize
(This : in out Image_Surface) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Image_Surface'Class
then
free_fl_image_surface (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Surface_Device (This));
end Finalize;
package body Forge is
function Create
(W, H : in Integer;
Highres : in Boolean := False)
return Image_Surface is
begin
return This : Image_Surface do
This.Void_Ptr := new_fl_image_surface
(Interfaces.C.int (W),
Interfaces.C.int (H),
Boolean'Pos (Highres));
This.High := Highres;
end return;
end Create;
end Forge;
function Is_Highres
(This : in Image_Surface)
return Boolean is
begin
return This.High;
end Is_Highres;
procedure Draw_Widget
(This : in out Image_Surface;
Item : in FLTK.Widgets.Widget'Class;
Offset_X, Offset_Y : in Integer := 0) is
begin
fl_image_surface_draw
(This.Void_Ptr,
Wrapper (Item).Void_Ptr,
Interfaces.C.int (Offset_X),
Interfaces.C.int (Offset_Y));
end Draw_Widget;
procedure Draw_Decorated_Window
(This : in out Image_Surface;
Item : in FLTK.Widgets.Groups.Windows.Window'Class;
Offset_X, Offset_Y : in Integer := 0) is
begin
fl_image_surface_draw_decorated_window
(This.Void_Ptr,
Wrapper (Item).Void_Ptr,
Interfaces.C.int (Offset_X),
Interfaces.C.int (Offset_Y));
end Draw_Decorated_Window;
function Get_Image
(This : in Image_Surface)
return FLTK.Images.RGB.RGB_Image is
begin
return Img : FLTK.Images.RGB.RGB_Image do
Wrapper (Img).Void_Ptr := fl_image_surface_image (This.Void_Ptr);
end return;
end Get_Image;
procedure Set_Current
(This : in out Image_Surface) is
begin
fl_image_surface_set_current (This.Void_Ptr);
Current_Ptr := This'Unchecked_Access;
end Set_Current;
end FLTK.Devices.Surfaces.Image;
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