/usr/share/ada/adainclude/gtkada/pango-font.adb is in libgtkada2.24.4-dev 2.24.4dfsg-1.
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) 2001-2013, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public --
-- License as published by the Free Software Foundation; either --
-- version 2 of the License, 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 --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public --
-- License along with this library; if not, write to the --
-- Free Software Foundation, Inc., 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-----------------------------------------------------------------------
with Interfaces.C.Strings;
with Glib.Object; use Glib.Object;
package body Pango.Font is
subtype String7 is String (1 .. 7);
Style_Map : constant array (Enums.Style) of String7 :=
(Enums.Pango_Style_Normal => " ",
Enums.Pango_Style_Oblique => "Oblique",
Enums.Pango_Style_Italic => "Italic ");
subtype String10 is String (1 .. 10);
Variant_Map : constant array (Enums.Variant) of String10 :=
(Enums.Pango_Variant_Normal => " ",
Enums.Pango_Variant_Small_Caps => "Small-Caps");
subtype String15 is String (1 .. 15);
Stretch_Map : constant array (Enums.Stretch) of String15 :=
(Enums.Pango_Stretch_Ultra_Condensed => "Ultra-Condensed",
Enums.Pango_Stretch_Extra_Condensed => "Extra-Condensed",
Enums.Pango_Stretch_Condensed => "Condensed ",
Enums.Pango_Stretch_Semi_Condensed => "Semi-Condensed ",
Enums.Pango_Stretch_Normal => " ",
Enums.Pango_Stretch_Semi_Expanded => "Semi-Expanded ",
Enums.Pango_Stretch_Expanded => "Expanded ",
Enums.Pango_Stretch_Extra_Expanded => "Extra-Expanded ",
Enums.Pango_Stretch_Ultra_Expanded => "Ultra-Expanded ");
-- Some of the values are not directly supported by pango.
-- ??? See fonts.c in pango
subtype String9 is String (1 .. 9);
Weight_Map : constant array (Enums.Weight) of String9 :=
(Enums.Pango_Weight_Ultralight => "Light ",
Enums.Pango_Weight_Light => "Light ",
Enums.Pango_Weight_Normal => " ",
Enums.Pango_Weight_Medium => "Medium ",
Enums.Pango_Weight_Semi_Bold => "Semi-Bold",
Enums.Pango_Weight_Bold => "Bold ",
Enums.Pango_Weight_Ultrabold => "Bold ",
Enums.Pango_Weight_Heavy => "Heavy ");
procedure g_free (c_str : Interfaces.C.Strings.chars_ptr);
pragma Import (C, g_free, "g_free");
-----------
-- Equal --
-----------
function Equal
(Desc1 : Pango_Font_Description;
Desc2 : Pango_Font_Description) return Boolean
is
function Internal
(Desc1 : Pango_Font_Description;
Desc2 : Pango_Font_Description) return Gboolean;
pragma Import (C, Internal, "pango_font_description_equal");
begin
return Boolean'Val (Internal (Desc1, Desc2));
end Equal;
----------
-- Free --
----------
procedure Free (Desc : in out Pango_Font_Description) is
procedure Internal (Desc : Pango_Font_Description);
pragma Import (C, Internal, "pango_font_description_free");
begin
Internal (Desc);
Desc := null;
end Free;
-----------------
-- From_String --
-----------------
function From_String (Str : String) return Pango_Font_Description is
function Internal (Str : String) return Pango_Font_Description;
pragma Import (C, Internal, "pango_font_description_from_string");
begin
return Internal (Str & ASCII.NUL);
end From_String;
------------------------
-- To_Font_Decription --
------------------------
function To_Font_Description
(Family_Name : String := "";
Style : Enums.Style := Enums.Pango_Style_Normal;
Variant : Enums.Variant := Enums.Pango_Variant_Normal;
Weight : Enums.Weight := Enums.Pango_Weight_Normal;
Stretch : Enums.Stretch := Enums.Pango_Stretch_Normal;
Size : Gint := 0) return Pango_Font_Description
is
Result : constant Pango_Font_Description :=
From_String (Family_Name & " " &
Style_Map (Style) & " " &
Variant_Map (Variant) &
Weight_Map (Weight) & " " &
Stretch_Map (Stretch) & Gint'Image (Size));
begin
return Result;
end To_Font_Description;
---------------
-- To_String --
---------------
function To_String (Desc : Pango_Font_Description) return String is
function Internal
(Desc : Pango_Font_Description) return Interfaces.C.Strings.chars_ptr;
pragma Import (C, Internal, "pango_font_description_to_string");
C_Result : constant Interfaces.C.Strings.chars_ptr := Internal (Desc);
Result : constant String := Interfaces.C.Strings.Value (C_Result);
begin
g_free (C_Result);
return Result;
end To_String;
-----------------
-- To_Filename --
-----------------
function To_Filename (Desc : Pango_Font_Description) return String is
function Internal
(Desc : Pango_Font_Description) return Interfaces.C.Strings.chars_ptr;
pragma Import (C, Internal, "pango_font_description_to_filename");
C_Result : constant Interfaces.C.Strings.chars_ptr := Internal (Desc);
Result : constant String := Interfaces.C.Strings.Value (C_Result);
begin
g_free (C_Result);
return Result;
end To_Filename;
----------------
-- Get_Family --
----------------
function Get_Family (Desc : Pango_Font_Description) return String is
function Internal
(Desc : Pango_Font_Description) return Interfaces.C.Strings.chars_ptr;
pragma Import (C, Internal, "pango_font_description_get_family");
begin
return Interfaces.C.Strings.Value (Internal (Desc));
end Get_Family;
----------------
-- Set_Family --
----------------
procedure Set_Family
(Desc : Pango_Font_Description;
Name : String)
is
procedure Internal
(Desc : Pango_Font_Description;
Name : String);
pragma Import (C, Internal, "pango_font_description_set_family");
begin
Internal (Desc, Name & ASCII.NUL);
end Set_Family;
-----------------
-- From_String --
-----------------
function From_String (Language : String) return Pango_Language is
function Internal (Language : String) return Pango_Language;
pragma Import (C, Internal, "pango_language_from_string");
begin
return Internal (Language & ASCII.NUL);
end From_String;
-----------------
-- Get_Metrics --
-----------------
function Get_Metrics
(Font : access Pango_Font_Record'Class;
Language : Pango_Language := null) return Pango_Font_Metrics
is
function Internal (Font : System.Address; Lang : Pango_Language)
return Pango_Font_Metrics;
pragma Import (C, Internal, "pango_font_get_metrics");
begin
return Internal (Get_Object (Font), Language);
end Get_Metrics;
----------------
-- To_Address --
----------------
function To_Address
(F : Pango_Font_Description; Add : System.Address)
return System.Address
is
pragma Unreferenced (Add);
begin
return F.all'Address;
end To_Address;
end Pango.Font;
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