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-- $Date: 2004/03/08 11:05:10 $
-- $Revision: 1.9 $
-- $Author: jcrocholl $
-- $Hash: 6a6a2da4129cdbd6ccaf9cc8cfb17b56 $
-- This file was automatically created with ado.php.
-- Manual changes will be lost when it is updated.
package body Clefs is
-- Constructor for instances.
function Create
(Number : in Natural; -- The initial number.
Sign : in Sign_Enum; -- The initial sign.
Line : in Integer) -- The initial line.
return Clef_Access -- The newly created clef.
is
Result : Clef_Access := new Clef;
begin
Result.Number := Number;
Result.Sign := Sign;
Result.Line := Line;
return Result;
end Create;
-- Accessor to read the number of a clef.
function Get_Number
(This : access Clef) -- The clef to read from.
return Natural is -- The number of that clef.
begin
return This.Number;
end Get_Number;
-- Accessor to read the sign of a clef.
function Get_Sign
(This : access Clef) -- The clef to read from.
return Sign_Enum is -- The sign of that clef.
begin
return This.Sign;
end Get_Sign;
function Get_Middle_C
(This : access Clef) -- The clef object instance.
return Integer is -- Positive is up.
begin
case This.Sign is
when G => return (Get_Line(This) - 3) * 2 - 4;
when F => return (Get_Line(This) - 3) * 2 + 4;
when C => return (Get_Line(This) - 3) * 2;
end case;
end Get_Middle_C;
function Get_Line
(This : access Clef) -- The clef object instance.
return Integer is -- On which line to print the clef.
begin
if This.Line = Auto then
case This.Sign is
when G => return 2;
when F => return 4;
when C => return 3;
end case;
end if;
return This.Line;
end Get_Line;
end Clefs;