 |  | boxes-not_head |  |
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-- $Date: 2004/03/08 10:42:19 $
-- $Revision: 1.9 $
-- $Author: jcrocholl $
-- $Hash: 3303d2f44eb17ec92e4591674b324870 $
-- This file was automatically created with ado.php.
-- Manual changes will be lost when it is updated.
with Enum_Strings; use Enum_Strings;
package body Boxes.Note_Heads is
-- Constructor for instances.
function Create
(Note_Head : in Note_Head_Enum; -- The initial note head.
Filled : in Boolean; -- The initial filled.
Position : in Integer) -- The initial position.
return Note_Head_Box_Access -- The newly created note head box.
is
Result : Note_Head_Box_Access := new Note_Head_Box;
begin
Result.Note_Head := Note_Head;
Result.Filled := Filled;
Result.Position := Position;
return Result;
end Create;
-- Accessor to read the note head of a note head box.
function Get_Note_Head
(This : access Note_Head_Box) -- The note head box to read from.
return Note_Head_Enum is -- The note head of that note head box.
begin
return This.Note_Head;
end Get_Note_Head;
-- Accessor to read the filled of a note head box.
function Get_Filled
(This : access Note_Head_Box) -- The note head box to read from.
return Boolean is -- The filled of that note head box.
begin
return This.Filled;
end Get_Filled;
-- Accessor to read the position of a note head box.
function Get_Position
(This : access Note_Head_Box) -- The note head box to read from.
return Integer is -- The position of that note head box.
begin
return This.Position;
end Get_Position;
-- Mutator to update the stem side of a note head box.
procedure Set_Stem_Side
(This : access Note_Head_Box; -- The note head box to be updated.
Stem_Side : in Stem_Side_Enum) is -- The new stem side of that note head box.
begin
This.Stem_Side := Stem_Side;
end Set_Stem_Side;
-- Accessor to read the stem side of a note head box.
function Get_Stem_Side
(This : access Note_Head_Box) -- The note head box to read from.
return Stem_Side_Enum is -- The stem side of that note head box.
begin
return This.Stem_Side;
end Get_Stem_Side;
function Get_Name
(This : access Note_Head_Box) -- The note head box object instance.
return String is -- The glyph name.
begin
if This.Note_Head = Normal and not This.Filled
then return "hollow";
else return To_XML(This.Note_Head'Img);
end if;
end Get_Name;
procedure Layout
(This : access Note_Head_Box; -- The note head box object instance.
Font : access Font_Loader) is -- Use this font loader.
begin
-- This.Stem_Side := Left;
This.Glyph := Load_Glyph(Font,
"noteheads/stem-" & To_XML(This.Stem_Side'Img) & "/" &
Get_Name(This));
This.Bounds := Get_Bounds(This.Glyph);
end Layout;
procedure Add_Dots
(This : access Note_Head_Box; -- The note head box object instance.
Font : access Font_Loader; -- Use this font loader.
Dots : in Positive; -- Number of dots.
Offset : in Vector) -- Position of first dot.
is
Cursor : Vector := Offset;
begin
This.Dot_Offset := Offset;
for Index in 1 .. Dots loop
This.Dots(Index) := Load_Glyph(Font, "dots/augment");
This.Bounds := Max(This.Bounds, Get_Bounds(This.Dots(Index)) + Cursor);
Cursor := Cursor + (50.0, 0.0);
end loop;
end Add_Dots;
procedure Print
(This : access Note_Head_Box; -- The note head box object instance.
To : access Printer'Class; -- Render to this printer.
Center : in Vector) -- Center of container.
is
Cursor : Vector;
begin
Print(To, This.Glyph, Center + This.Center);
Cursor := This.Dot_Offset;
for Index in Dot_Range loop
exit when This.Dots(Index) = null;
Print(To, This.Dots(Index), Center + This.Center + Cursor);
Cursor := Cursor + (50.0, 0.0);
end loop;
end Print;
end Boxes.Note_Heads;