/usr/share/ada/adainclude/gtkada/gdk-cairo.adb is in libgtkada16.1.0-dev 17.0.2017-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- GtkAda - Ada95 binding for Gtk+/Gnome --
-- --
-- Copyright (C) 2010-2017, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with Glib.Object; use Glib.Object;
with System; use System;
package body Gdk.Cairo is
------------
-- Create --
------------
function Create (Window : Gdk_Window) return Cairo_Context is
function Internal (S : Gdk_Window) return Cairo_Context;
pragma Import (C, Internal, "gdk_cairo_create");
Cr : Cairo_Context;
begin
Cr := Internal (Window);
return Cr;
end Create;
-----------------------
-- Set_Source_Pixbuf --
-----------------------
procedure Set_Source_Pixbuf
(Cr : Cairo_Context;
Pixbuf : Gdk_Pixbuf;
Pixbuf_X : Gdouble;
Pixbuf_Y : Gdouble)
is
procedure Internal (Cr : Cairo_Context;
Pixbuf : System.Address;
Pixbuf_X, Pixbuf_Y : Gdouble);
pragma Import (C, Internal, "gdk_cairo_set_source_pixbuf");
begin
Internal (Cr, Get_Object (Pixbuf), Pixbuf_X, Pixbuf_Y);
end Set_Source_Pixbuf;
------------------------
-- Create_From_Pixbuf --
------------------------
function Create_From_Pixbuf
(Pixbuf : Gdk_Pixbuf;
Scale : Gint;
For_Window : Gdk.Gdk_Window := null) return Cairo_Surface
is
function Internal (Pixbuf : System.Address;
Scale : Gint;
Win : Gdk_Window) return Cairo_Surface;
pragma Import (C, Internal, "gdk_cairo_surface_create_from_pixbuf");
begin
return Internal (Get_Object (Pixbuf), Scale, For_Window);
end Create_From_Pixbuf;
---------------------
-- Set_Source_RGBA --
---------------------
procedure Set_Source_RGBA
(Cr : Cairo_Context;
Color : Gdk.RGBA.Gdk_RGBA) is
begin
Set_Source_Rgba (Cr, Color.Red, Color.Green, Color.Blue, Color.Alpha);
end Set_Source_RGBA;
end Gdk.Cairo;
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