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with
System;
use type
System.Address;
package body FLTK.Devices.Surfaces is
function new_fl_surface
(G : in System.Address)
return System.Address;
pragma Import (C, new_fl_surface, "new_fl_surface");
procedure free_fl_surface
(S : in System.Address);
pragma Import (C, free_fl_surface, "free_fl_surface");
procedure fl_surface_set_current
(S : in System.Address);
pragma Import (C, fl_surface_set_current, "fl_surface_set_current");
function fl_surface_get_surface
return System.Address;
pragma Import (C, fl_surface_get_surface, "fl_surface_get_surface");
procedure Finalize
(This : in out Surface_Device) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Surface_Device'Class
then
if This.Needs_Dealloc then
free_fl_surface (This.Void_Ptr);
end if;
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Device (This));
end Finalize;
package body Forge is
function Create
(Graphics : in out FLTK.Devices.Graphics.Graphics_Driver)
return Surface_Device is
begin
return This : Surface_Device do
This.Void_Ptr := new_fl_surface (Wrapper (Graphics).Void_Ptr);
end return;
end Create;
end Forge;
function Get_Current
return access Surface_Device is
begin
return Current_Ptr;
end Get_Current;
procedure Set_Current
(This : in out Surface_Device) is
begin
fl_surface_set_current (This.Void_Ptr);
Current_Ptr := This'Unchecked_Access;
end Set_Current;
begin
Original_Surface.Void_Ptr := fl_surface_get_surface;
Original_Surface.Needs_Dealloc := False;
end FLTK.Devices.Surfaces;
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