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1185 | -- --
-- package Gtk.Layered.Stream_IO Copyright (c) Dmitry A. Kazakov --
-- Implementation Luebeck --
-- Winter, 2011 --
-- --
-- Last revision : 13:15 14 Sep 2019 --
-- --
-- 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. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
--____________________________________________________________________--
with Ada.IO_Exceptions; use Ada.IO_Exceptions;
with Ada.Tags; use Ada.Tags;
with Cairo.Elementary_Functions; use Cairo.Elementary_Functions;
with Cairo.Font_Face; use Cairo.Font_Face;
with Interfaces; use Interfaces;
with GtkAda.Types;
with Gtk.Layered.Arc;
with Gtk.Layered.Bar;
with Gtk.Layered.Cache;
with Gtk.Layered.Cap;
with Gtk.Layered.Clock_Hand;
with Gtk.Layered.Elliptic_Annotation;
with Gtk.Layered.Elliptic_Background;
with Gtk.Layered.Elliptic_Bar;
with Gtk.Layered.Elliptic_Scale;
with Gtk.Layered.Flat_Annotation;
with Gtk.Layered.Flat_Needle;
with Gtk.Layered.Flat_Scale;
with Gtk.Layered.Label;
with Gtk.Layered.Needle;
with Gtk.Layered.Rectangular_Background;
with Gtk.Layered.Rectangular_Clip_Region;
with Gtk.Layered.Sector_Needle;
package body Gtk.Layered.Stream_IO is
package body Generic_Modular_IO is
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Modular
) is
Factor : Modular := 1;
Octet : Character;
begin
Value := 0;
loop
Character'Read (Stream'Access, Octet);
Value :=
Value or Factor * (Character'Pos (Octet) and 16#7F#);
Factor := Factor * 2**7;
exit when Character'Pos (Octet) <= 127;
end loop;
end Restore;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Modular
) is
Data : Modular := Value;
begin
while Data > 127 loop
Character'Write
( Stream'Unchecked_Access,
Character'Val ((Data and 16#7F#) or 16#80#)
);
Data := Data / 2**7;
end loop;
Character'Write
( Stream'Unchecked_Access,
Character'Val (Data)
);
end Store;
end Generic_Modular_IO;
package GUInt_IO is new Generic_Modular_IO (GUInt);
package GUInt16_IO is new Generic_Modular_IO (GUInt16);
package Unsigned_32_IO is new Generic_Modular_IO (Unsigned_32);
package Unsigned_64_IO is new Generic_Modular_IO (Unsigned_64);
use GUInt_IO, GUInt16_IO, Unsigned_32_IO, Unsigned_64_IO;
function Get_Type (Layer : Abstract_Layer'Class)
return Layer_Type is
Name : constant String := Expanded_Name (Layer'Tag);
begin
for Index in reverse Name'Range loop
if Name (Index) = '.' then
return Layer_Type'Value (Name (Index + 1..Name'Last));
end if;
end loop;
return Layer_Type'Value (Name);
exception
when Constraint_Error =>
raise Constraint_Error with
"Don't know how to store " & Name;
end Get_Type;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Widget : not null access Gtk_Layered_Record'Class
) is
Under : access Layer_Location'Class := Widget;
Ratio : GDouble;
This : Layer_Type;
begin
Restore (Stream, Ratio);
Widget.Set_Aspect_Ratio (Ratio);
loop
Restore (Stream, This);
case This is
when None =>
exit;
when Arc_Layer =>
Under := Gtk.Layered.Arc.
Add (Under, Stream'Access).Above;
when Bar_Layer =>
Under := Gtk.Layered.Bar.
Add (Under, Stream'Access).Above;
when Cache_Layer =>
Under := Gtk.Layered.Cache.
Add (Under, Stream'Access).Above;
when Cap_Layer =>
Under := Gtk.Layered.Cap.
Add (Under, Stream'Access).Above;
when Clock_Hand_Layer =>
Under := Gtk.Layered.Clock_Hand.
Add (Under, Stream'Access).Above;
when Elliptic_Annotation_Layer =>
Under := Gtk.Layered.Elliptic_Annotation.
Add (Under, Stream'Access).Above;
when Elliptic_Background_Layer =>
Under := Gtk.Layered.Elliptic_Background.
Add (Under, Stream'Access).Above;
when Elliptic_Bar_Layer =>
Under := Gtk.Layered.Elliptic_Bar.
Add (Under, Stream'Access).Above;
when Elliptic_Scale_Layer =>
Under := Gtk.Layered.Elliptic_Scale.
Add (Under, Stream'Access).Above;
when Flat_Annotation_Layer =>
Under := Gtk.Layered.Flat_Annotation.
Add (Under, Stream'Access).Above;
when Flat_Needle_Layer =>
Under := Gtk.Layered.Flat_Needle.
Add (Under, Stream'Access).Above;
when Flat_Scale_Layer =>
Under := Gtk.Layered.Flat_Scale.
Add (Under, Stream'Access).Above;
when Label_Layer =>
Under := Gtk.Layered.Label.
Add (Under, Stream'Access).Above;
when Needle_Layer =>
Under := Gtk.Layered.Needle.
Add (Under, Stream'Access).Above;
when Rectangular_Background_Layer =>
Under := Gtk.Layered.Rectangular_Background.
Add (Under, Stream'Access).Above;
when Rectangular_Clip_Region_On_Layer =>
declare
This : Gtk.Layered.Rectangular_Clip_Region.
Rectangular_Clip_Region_On_Layer renames
Gtk.Layered.Rectangular_Clip_Region.
Add (Under, Stream'Access).all;
begin
Under := This.Above;
end;
when Sector_Needle_Layer =>
Under := Gtk.Layered.Sector_Needle.
Add (Under, Stream'Access).Above;
when Foreground_Layer | Rectangular_Clip_Region_Off_Layer =>
if Under.all in Abstract_Layer'Class then
Under := Abstract_Layer'Class (Under.all).Above;
end if;
end case;
end loop;
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Adjustment : out Gtk_Adjustment
) is
Value : GDouble;
Lower : GDouble;
Upper : GDouble;
Step_Increment : GDouble;
Page_Increment : GDouble;
begin
Restore (Stream, GDouble (Value));
Restore (Stream, GDouble (Lower));
Restore (Stream, GDouble (Upper));
Restore (Stream, GDouble (Step_Increment));
Restore (Stream, GDouble (Page_Increment));
Gtk_New
( Adjustment,
Value,
Lower,
Upper,
Step_Increment,
Page_Increment
);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Alignment
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Alignment'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Alignment out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Boolean
) is
Data : GUInt16;
begin
Restore (Stream, Data);
Value := 0 /= (Data and 1);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean;
Value_3 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
Value_3 := 0 /= (Value and 4);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean;
Value_3 : out Boolean;
Value_4 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
Value_3 := 0 /= (Value and 4);
Value_4 := 0 /= (Value and 8);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean;
Value_3 : out Boolean;
Value_4 : out Boolean;
Value_5 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
Value_3 := 0 /= (Value and 4);
Value_4 := 0 /= (Value and 8);
Value_5 := 0 /= (Value and 16);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean;
Value_3 : out Boolean;
Value_4 : out Boolean;
Value_5 : out Boolean;
Value_6 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
Value_3 := 0 /= (Value and 4);
Value_4 := 0 /= (Value and 8);
Value_5 := 0 /= (Value and 16);
Value_6 := 0 /= (Value and 32);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean;
Value_3 : out Boolean;
Value_4 : out Boolean;
Value_5 : out Boolean;
Value_6 : out Boolean;
Value_7 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
Value_3 := 0 /= (Value and 4);
Value_4 := 0 /= (Value and 8);
Value_5 := 0 /= (Value and 16);
Value_6 := 0 /= (Value and 32);
Value_7 := 0 /= (Value and 64);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value_1 : out Boolean;
Value_2 : out Boolean;
Value_3 : out Boolean;
Value_4 : out Boolean;
Value_5 : out Boolean;
Value_6 : out Boolean;
Value_7 : out Boolean;
Value_8 : out Boolean
) is
Value : GUInt16;
begin
Restore (Stream, Value);
Value_1 := 0 /= (Value and 1);
Value_2 := 0 /= (Value and 2);
Value_3 := 0 /= (Value and 4);
Value_4 := 0 /= (Value and 8);
Value_5 := 0 /= (Value and 16);
Value_6 := 0 /= (Value and 32);
Value_7 := 0 /= (Value and 64);
Value_8 := 0 /= (Value and 128);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Cairo_Font_Face
) is
use GtkAda.Types;
Family : Chars_Ptr := New_String (Restore (Stream'Access));
Slant : Cairo_Font_Slant;
Weight : Cairo_Font_Weight;
begin
Restore (Stream, Slant);
Restore (Stream, Weight);
Value := Toy_Font_Face_Create (Family, Slant, Weight);
Free (Family);
exception
when others =>
Free (Family);
raise;
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Cairo_Font_Slant
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Cairo_Font_Slant'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Cairo_Font_Slant out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Cairo_Font_Weight
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Cairo_Font_Weight'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Cairo_Font_Weight out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Cairo_Line_Cap
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Cairo_Line_Cap'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Cairo_Line_Cap out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Cairo_Tuple
) is
begin
Restore (Stream, Value.X);
Restore (Stream, Value.Y);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Elliptic_Arc_Closure
) is
Shape : Elliptic_Shape_Type;
begin
Restore (Stream, Shape);
case Shape is
when Sector =>
declare
Center : Cairo_Tuple;
begin
Restore (Stream, Center);
Value := (Sector, Center);
end;
when Bagel =>
declare
Arc : Ellipse_Parameters;
begin
Restore (Stream, Arc);
Value := (Bagel, Arc);
end;
when Segment =>
Value := (Shape => Segment);
end case;
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Elliptic_Shape_Type
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Elliptic_Shape_Type'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Elliptic_Shape_Type out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out End_Parameters
) is
begin
Restore (Stream, Value.Length);
Restore (Stream, Value.Width);
Restore (Stream, Value.Cap);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Gdk_Color
) is
R, G, B : GUInt16;
begin
Restore (Stream, R);
Restore (Stream, G);
Restore (Stream, B);
Set_RGB (Value, R, G, B);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Gdk_RGBA
) is
R, G, B, A : GUInt16;
begin
Restore (Stream, R);
Restore (Stream, G);
Restore (Stream, B);
Restore (Stream, A);
Value.Red := GDouble (R) / GDouble (GUint16'Last);
Value.Green := GDouble (G) / GDouble (GUint16'Last);
Value.Blue := GDouble (B) / GDouble (GUint16'Last);
Value.Alpha := GDouble (A) / GDouble (GUint16'Last);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Gtk_Shadow_Type
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Gtk_Shadow_Type'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Gtk_Shadow_Type out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Interpolation_Mode
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Interpolation_Mode'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Interpolation_Mode out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out GDouble
) is
Fraction : Unsigned_32;
Exponent : Unsigned_32;
begin
Restore (Stream, Fraction);
Restore (Stream, Exponent);
Value := GDouble (Fraction) / 2.0**30;
if 0 /= (Exponent and 1) then
Value := -Value;
end if;
if 0 = (Exponent and 2) then
Value := Value * 2.0**Integer (Exponent / 4);
else
Value := Value / 2.0**Integer (Exponent / 4);
end if;
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Ellipse_Parameters
) is
begin
Restore (Stream, Value.Center);
Restore (Stream, Value.Major_Curvature);
Restore (Stream, Value.Minor_Radius);
Restore (Stream, Value.Angle);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out GUInt
) renames GUInt_IO.Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out GUInt16
) renames GUInt16_IO.Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Layer_Type
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Layer_Type'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Layer_Type out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Line_Parameters
) is
begin
Restore (Stream, Value.Width);
Restore (Stream, Value.Color);
Restore (Stream, Value.Line_Cap);
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Tick_Parameters
) is
begin
Restore (Stream, Value.Step);
Restore (Stream, Unsigned_64 (Value.First));
Restore (Stream, Unsigned_64 (Value.Skipped));
end Restore;
function Restore
( Stream : not null access Root_Stream_Type'Class
) return Bit_Array is
Count : Natural;
Octet : Unsigned_8;
Mask : Unsigned_8 := 1;
begin
Restore (Stream.all, Unsigned_32 (Count));
return Result : Bit_Array (1..Count) do
for Index in Result'Range loop
if Mask = 1 then
Unsigned_8'Read (Stream, Octet);
end if;
Result (Index) := 0 /= (Octet and Mask);
if Mask = 2#1000_0000# then
Mask := 1;
else
Mask := Mask * 2;
end if;
end loop;
end return;
end Restore;
function Restore
( Stream : not null access Root_Stream_Type'Class
) return UTF8_String is
Count : Natural;
begin
Restore (Stream.all, Unsigned_32 (Count));
return Text : String (1..Count) do
String'Read (Stream, Text);
end return;
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Text_Transformation
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Text_Transformation'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Text_Transformation out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Vertical_Alignment
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Vertical_Alignment'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Vertical alignment out of range";
end Restore;
procedure Restore
( Stream : in out Root_Stream_Type'Class;
Value : out Waveform_Drawing_Method
) is
Position : GUInt16;
begin
Restore (Stream, Position);
Value := Waveform_Drawing_Method'Val (Position);
exception
when Constraint_Error =>
raise Data_Error with "Waveform_Drawing_Method out of range";
end Restore;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Widget : not null access constant
Gtk_Layered_Record'Class
) is
This : Abstract_Layer_Ptr := Widget.Bottom;
begin
if This /= null then
Store (Stream, Widget.Get_Aspect_Ratio);
loop
Store (Stream, Get_Type (This.all));
Store (Stream, This.all);
exit when This.Next = Widget.Bottom;
This := This.Next;
end loop;
end if;
Store (Stream, None);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Adjustment : Gtk_Adjustment
) is
begin
Store (Stream, Get_Value (Adjustment));
Store (Stream, Get_Lower (Adjustment));
Store (Stream, Get_Upper (Adjustment));
Store (Stream, Get_Step_Increment (Adjustment));
Store (Stream, Get_Page_Increment (Adjustment));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Alignment
) is
begin
Store (Stream, GUInt16 (Alignment'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Boolean
) is
Data : GUInt16 := 0;
begin
if Value then
Data := Data or 1;
end if;
Store (Stream, Data);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean;
Value_3 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
if Value_3 then
Value := Value or 4;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean;
Value_3 : Boolean;
Value_4 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
if Value_3 then
Value := Value or 4;
end if;
if Value_4 then
Value := Value or 8;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean;
Value_3 : Boolean;
Value_4 : Boolean;
Value_5 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
if Value_3 then
Value := Value or 4;
end if;
if Value_4 then
Value := Value or 8;
end if;
if Value_5 then
Value := Value or 16;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean;
Value_3 : Boolean;
Value_4 : Boolean;
Value_5 : Boolean;
Value_6 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
if Value_3 then
Value := Value or 4;
end if;
if Value_4 then
Value := Value or 8;
end if;
if Value_5 then
Value := Value or 16;
end if;
if Value_6 then
Value := Value or 32;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean;
Value_3 : Boolean;
Value_4 : Boolean;
Value_5 : Boolean;
Value_6 : Boolean;
Value_7 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
if Value_3 then
Value := Value or 4;
end if;
if Value_4 then
Value := Value or 8;
end if;
if Value_5 then
Value := Value or 16;
end if;
if Value_6 then
Value := Value or 32;
end if;
if Value_7 then
Value := Value or 64;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value_1 : Boolean;
Value_2 : Boolean;
Value_3 : Boolean;
Value_4 : Boolean;
Value_5 : Boolean;
Value_6 : Boolean;
Value_7 : Boolean;
Value_8 : Boolean
) is
Value : GUInt16 := 0;
begin
if Value_1 then
Value := Value or 1;
end if;
if Value_2 then
Value := Value or 2;
end if;
if Value_3 then
Value := Value or 4;
end if;
if Value_4 then
Value := Value or 8;
end if;
if Value_5 then
Value := Value or 16;
end if;
if Value_6 then
Value := Value or 32;
end if;
if Value_7 then
Value := Value or 64;
end if;
if Value_8 then
Value := Value or 128;
end if;
Store (Stream, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Cairo_Font_Face
) is
use Cairo.Font_Face;
begin
Store
( Stream,
GtkAda.Types.Value (Toy_Font_Face_Get_Family (Value))
);
Store (Stream, Toy_Font_Face_Get_Slant (Value));
Store (Stream, Toy_Font_Face_Get_Weight (Value));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Cairo_Font_Slant
) is
begin
Store (Stream, GUInt16 (Cairo_Font_Slant'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Cairo_Font_Weight
) is
begin
Store (Stream, GUInt16 (Cairo_Font_Weight'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Cairo_Line_Cap
) is
begin
Store (Stream, GUInt16 (Cairo_Line_Cap'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Cairo_Tuple
) is
begin
Store (Stream, Value.X);
Store (Stream, Value.Y);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Elliptic_Arc_Closure
) is
begin
Store (Stream, Value.Shape);
case Value.Shape is
when Sector => Store (Stream, Value.Center);
when Bagel => Store (Stream, Value.Arc);
when Segment => null;
end case;
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Elliptic_Shape_Type
) is
begin
Store (Stream, GUInt16 (Elliptic_Shape_Type'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : End_Parameters
) is
begin
Store (Stream, Value.Length);
Store (Stream, Value.Width);
Store (Stream, Value.Cap);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Gdk_Color
) is
begin
Store (Stream, Red (Value));
Store (Stream, Green (Value));
Store (Stream, Blue (Value));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Gdk_RGBA
) is
begin
Store (Stream, GUInt16 (Value.Red * GDouble (GUInt16'Last)));
Store (Stream, GUInt16 (Value.Green * GDouble (GUInt16'Last)));
Store (Stream, GUInt16 (Value.Blue * GDouble (GUInt16'Last)));
Store (Stream, GUInt16 (Value.Alpha * GDouble (GUInt16'Last)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : GUInt
) renames GUInt_IO.Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : GUInt16
) renames GUInt16_IO.Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : GDouble
) is
Fraction : GDouble := abs Value;
Exponent : Integer := 0;
begin
if Fraction > 0.0 then
Exponent := Integer (log (Fraction, 2.0));
end if;
Fraction := Fraction / 2.0**Exponent;
Store (Stream, Unsigned_32 (Fraction * 2.0**30));
if Exponent < 0 then
if Value < 0.0 then
Store (Stream, Unsigned_32 ((-Exponent) * 4) + 3);
else
Store (Stream, Unsigned_32 ((-Exponent) * 4) + 2);
end if;
else
if Value < 0.0 then
Store (Stream, Unsigned_32 (Exponent * 4) + 1);
else
Store (Stream, Unsigned_32 (Exponent * 4));
end if;
end if;
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Ellipse_Parameters
) is
begin
Store (Stream, Value.Center);
Store (Stream, Value.Major_Curvature);
Store (Stream, Value.Minor_Radius);
Store (Stream, Value.Angle);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Gtk_Shadow_Type
) is
begin
Store (Stream, GUInt16'(Gtk_Shadow_Type'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Interpolation_Mode
) is
begin
Store (Stream, GUInt16'(Interpolation_Mode'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Layer_Type
) is
begin
Store (Stream, GUInt16 (Layer_Type'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Line_Parameters
) is
begin
Store (Stream, Value.Width);
Store (Stream, Value.Color);
Store (Stream, Value.Line_Cap);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Bit_Array
) is
Mask : Unsigned_8 := 1;
Octet : Unsigned_8 := 0;
begin
Store (Stream, Unsigned_32 (Value'Length));
for Index in Value'Range loop
if Value (Index) then
Octet := Octet or Mask;
end if;
if Mask = 2#1000_0000# then
Unsigned_8'Write (Stream'Access, Octet);
Mask := 1;
Octet := 0;
else
Mask := Mask * 2;
end if;
end loop;
if Mask > 1 then
Unsigned_8'Write (Stream'Access, Octet);
end if;
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : UTF8_String
) is
begin
Store (Stream, Unsigned_32 (Value'Length));
String'Write (Stream'Access, Value);
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Text_Transformation
) is
begin
Store (Stream, GUInt16'(Text_Transformation'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Tick_Parameters
) is
begin
Store (Stream, Value.Step);
Store (Stream, Unsigned_64 (Value.First));
Store (Stream, Unsigned_64 (Value.Skipped));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Vertical_Alignment
) is
begin
Store (Stream, GUInt16 (Vertical_Alignment'Pos (Value)));
end Store;
procedure Store
( Stream : in out Root_Stream_Type'Class;
Value : Waveform_Drawing_Method
) is
begin
Store (Stream, GUInt16'(Waveform_Drawing_Method'Pos (Value)));
end Store;
end Gtk.Layered.Stream_IO;
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