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MODULE Complete;
(***************************************************************************)
(**************** Copyright 2015--2021 Dieter Gloetzel ********************)
(************************ Version016 multi platform ***********************)
(***************************************************************************)
(* This program 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 3 of the License, or
(at your option) any later version.
This program 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 program. If not, see <http://www.gnu.org/licenses/>. *)
IMPORT Strings := Strings1, Out;
TYPE LONGINT = INTEGER;
VAR pmxdur : ARRAY 10 OF ARRAY 4 OF CHAR; durvec : ARRAY 10 OF INTEGER; ixmax : LONGINT;
notetypexml: ARRAY 10 OF ARRAY 8 OF CHAR; notetypepmx: ARRAY 10 OF CHAR;
notetypei : ARRAY 10 OF INTEGER; (* inverse of notetype index 0 => 64 *)
PROCEDURE erasetime*(nostaves : LONGINT; VAR time: ARRAY OF ARRAY OF INTEGER );
VAR ps, i, j: LONGINT;
BEGIN
ps := nostaves - 1;
WHILE (ps >= 0) DO
i := 0; j := LEN( time, 1 );
WHILE i < j DO time[ps, i] := 0; INC( i ) END;
DEC( ps );
END;
END erasetime;
PROCEDURE divdur* (measuredur,div : INTEGER; VAR beats, beattype : INTEGER);
BEGIN
IF ( measuredur MOD div = 0 ) THEN
beattype := 4; beats := measuredur DIV div;
ELSIF ( 2* measuredur MOD div = 0 ) THEN
beattype := 8; beats := 2* measuredur DIV div;
ELSIF ( 4 * measuredur MOD div = 0 ) THEN
beattype := 16; beats := 4 * measuredur DIV div;
ELSE
Out.Ln(); Out.String(" error in divdur ");
END;
Out.Ln(); Out.Int(measuredur,5); Out.Int(div,5); Out.Int(beats,5); Out.Int(beattype,5);
END divdur;
PROCEDURE testdivdur*;
VAR beats, beattype : INTEGER;
BEGIN
divdur (4096, 1024, beats, beattype);
divdur (192, 48, beats, beattype);
divdur (144, 48, beats, beattype);
divdur (216, 48, beats, beattype);
divdur (72, 48, beats, beattype);
divdur (96, 48, beats, beattype);
divdur (240, 48, beats, beattype);
divdur (4096, 1024, beats, beattype);
END testdivdur;
PROCEDURE CalcForward* (note,div : INTEGER; VAR res : ARRAY OF CHAR);
VAR i : INTEGER;
BEGIN
i := 0; WHILE i < 8 DO durvec[i]:= 0 ; INC(i) END; (* erase durvec *)
Durit (note,div);
blindrest(durvec,res);
(* Out.String("CalcForward res : ");Out.Ln();Out.String(res); *)
END CalcForward;
PROCEDURE notetype;
(* Defines the MusicXML types of notes *)
BEGIN
COPY( "64th", notetypexml[0] ); COPY( "32nd", notetypexml[1] ); COPY( "16th", notetypexml[2] );
COPY( "eighth", notetypexml[3] ); COPY( "quarter", notetypexml[4] ); COPY( "half", notetypexml[5] );
COPY( "whole", notetypexml[6] ); COPY( "breve", notetypexml[7] );
notetypepmx[0] := "6"; notetypepmx[1] := "3"; notetypepmx[2] := "1";
notetypepmx[3] := "8"; notetypepmx[4] := "4";
notetypepmx[5] := "2"; notetypepmx[6] := "0"; notetypepmx[7] := "9";
notetypei[0] := 64; notetypei[1] := 32;notetypei[2] := 16;notetypei[3] := 8;
notetypei[4] := 4;notetypei[5] :=2;notetypei[6] := 1;
END notetype;
PROCEDURE tupletduration* ( div: INTEGER; normaltype: ARRAY OF CHAR; normal: INTEGER ): INTEGER;
(* calculates the duration of a tuplet, starting from divisions, normaltype, and normal count *)
VAR i, fac: INTEGER;
BEGIN
fac := 1; i := 0;
WHILE (i < 8) & (notetypexml[i] # normaltype) DO
fac := fac*2; INC( i ); END;
IF i < 8 THEN RETURN div*normal*fac DIV 16
ELSE Out.Ln(); Out.String("tupletduration normaltype "); Out.String(normaltype);Out.String("not found"); RETURN 0; END;
END tupletduration;
PROCEDURE dur2beat* (duration,divisions : INTEGER; VAR beat, beattype : INTEGER);
(* calculates beat and beattype from duration of a measure *)
VAR i : INTEGER;
BEGIN
i := 0; WHILE i < 8 DO durvec[i]:= 0 ; INC(i) END; (* erase durvec *)
(* Out.Ln(); Out.String("dur2beat duration, divisions : ");Out.Int(duration, 5); Out.Int(divisions,5); *)
IF ( duration MOD divisions = 0 ) THEN
beattype := 4; beat := duration DIV divisions
ELSIF (duration MOD (divisions DIV 2) ) = 0 THEN
beattype :=8; beat := duration * 2 DIV divisions
ELSIF (duration MOD (divisions DIV 4)) = 0 THEN
beattype := 16; beat := duration * 4 DIV divisions
END;
(* Out.Ln(); Out.String("dur2beat beat / beattype : "); Out.Int(beat,5); Out.Int(beattype,5); *)
END dur2beat;
PROCEDURE testdur2beat*;
VAR beat, beattype : INTEGER;
BEGIN
dur2beat(240,48, beat, beattype);
dur2beat(216,48, beat, beattype);
dur2beat(144,48, beat, beattype);
dur2beat(36,48, beat, beattype);
END testdur2beat;
PROCEDURE Durit(note,div : INTEGER);
VAR index, rest, i : INTEGER;
BEGIN
i := 0;
REPEAT
(* Out.Ln(); Out.String("Durit : note, div "); Out.Int(note, 5); Out.Int(div, 5); *)
FindDurit(note, div,index, rest);
note := rest; INC(i);
UNTIL (i > 4) OR (rest = 0);
END Durit;
PROCEDURE FindDurit(note,div: INTEGER; VAR index,rest : INTEGER );
(* distributes a given note duration into available note values and stores tthe distribution in xmldur. *)
VAR
i : INTEGER;
xmldur : ARRAY 9 OF INTEGER; (* change 25.April 2020 *)
BEGIN
xmldur[0] := 4 * div;
xmldur[1] := 2 * div;
xmldur[2] := div; ixmax := 2;
IF ( ( div MOD 2 ) = 0 ) THEN xmldur[3] := div DIV 2 ; ixmax := 3; END;
IF ( ( div MOD 4 ) = 0 ) THEN xmldur[4] := div DIV 4; ixmax := 4; END;
IF ( ( div MOD 8 ) = 0 ) THEN xmldur[5] := div DIV 8; ixmax := 5; END;
IF ( ( div MOD 16 ) = 0 ) THEN xmldur[6] := div DIV 16;ixmax := 6; END;
IF ( ( div MOD 32 ) = 0 ) THEN xmldur[7] := div DIV 32;ixmax := 7; END;
IF ( ( div MOD 64 ) = 0 ) THEN xmldur[8] := div DIV 64;ixmax := 8; END; (* change 25.April 2020 *)
i := 0; WHILE ( i < LEN(xmldur) - 1) & ( xmldur[i] > note ) DO INC(i); END; (* change 25.04.2020 *)
IF xmldur[i] <= note THEN
index := i; rest := note - xmldur[i];
(* Out.Ln(); Out.String("FindDurit : "); Out.Int(note,5); Out.Int(div,5); Out.Int(index,5); Out.Int(rest,5); *)
INC(durvec[i], 1); END;
END FindDurit;
PROCEDURE blindrest (durvec : ARRAY OF INTEGER; VAR res : ARRAY OF CHAR);
VAR i,j : INTEGER;
BEGIN
i := 0; WHILE i < 32 DO res[i] := 0X; INC(i) END;
i := 0; WHILE ( i < 7 ) DO
j := 0; WHILE ( j < durvec[i] ) DO
Strings.AppendCh(res, " ");
Strings.Append(res,pmxdur[i]);
INC(j); END;
INC(i) END; Strings.AppendCh(res," ");
END blindrest;
PROCEDURE Int2br* ( divisions, intdur : INTEGER; VAR res : ARRAY OF CHAR);
(* converts an Integer Interval into a series of blind rests *)
VAR i : INTEGER;
BEGIN
i := 0; WHILE i < 7 DO durvec[i] := 0; INC(i); END;
i := 0; WHILE i < LEN(res) DO res[i] := 0X; INC(i); END;
Durit(intdur, divisions);
blindrest (durvec, res);
(* Out.Ln();Out.String("divisions : "); Out.Int(divisions,5); Out.String("duration : ");
Out.Int(intdur,5); Out.String("pmx-decomposition : "); Out.String(res); *)
END Int2br;
PROCEDURE Dur2PMX* ( divisions, intdur : INTEGER; VAR res : ARRAY OF CHAR);
(* converts an Integer Interval into a series of blind rests *)
VAR i : INTEGER;
BEGIN
i := 0; WHILE i < 7 DO durvec[i] := 0; INC(i); END;
i := 0; WHILE i < LEN(res) DO res[i] := 0X; INC(i); END;
Durit(intdur, divisions);
i := 0; WHILE (durvec[i] = 0) DO INC(i) END;
IF durvec[i] = 1 THEN res[0] := pmxdur[i,1];
IF durvec[i+1] = 1 THEN Strings.AppendCh(res,"d");
IF durvec[i+2] = 1 THEN Strings.AppendCh(res,"d"); END;
END;
END;
(* Out.Ln();Out.String("divisions : "); Out.Int(divisions,5); Out.String("duration : ");
Out.Int(intdur,5); Out.String("pmx-decomposition : "); Out.String(res); *)
END Dur2PMX;
PROCEDURE testDur2PMX*;
VAR res : ARRAY 32 OF CHAR;
BEGIN
Dur2PMX (256, 64,res);
Dur2PMX (256,32,res);
Dur2PMX (256,16,res);
Dur2PMX (256,8,res);
Dur2PMX (1024,768,res);
Dur2PMX (1024,1536,res);
END testDur2PMX;
PROCEDURE Complete* (from, to, divisions, measureduration : INTEGER; VAR before, after : ARRAY OF CHAR);
(* solves the problem of dangling notes created with the backup or forward statement of MusicXML *)
VAR beforedur, afterdur, i : INTEGER;
BEGIN
beforedur := from - 1;
afterdur := measureduration - to;
(* Out.Ln(); Out.String(" from, to, divisions, measureduration : ");
Out.Int(from,5); Out.Int(to,5); Out.Int(divisions,5); Out.Int(measureduration,5);
Out.String(" Complete : beforedur, afterdur"); Out.Int(beforedur,5); Out.Int(afterdur,5); *)
i := 0; WHILE i < 7 DO durvec[i] := 0; INC(i); END;before[0] := 0X; after[0] := 0X;
IF ( beforedur > 0 ) THEN Durit(beforedur,divisions);
blindrest (durvec,before);
END;
(* loesch durvec ! *) i := 0; WHILE i < 7 DO durvec[i] := 0; INC(i); END;
IF ( afterdur > 0 ) THEN Durit (afterdur,divisions);
blindrest (durvec, after); END;
(* Out.String(" before|after : "); Out.String(before); Out.Char("|");Out.String(after); *)
END Complete;
BEGIN
notetype; (* initialize notes type conversion XML -> PMX *)
pmxdur[0] := "r0b";
pmxdur[1] := "r2b";
pmxdur[2] := "r4b";
pmxdur[3] := "r8b" ;
pmxdur[4] := "r1b" ;
pmxdur[5] := "r3b" ;
pmxdur[6] := "r6b";
pmxdur[7] := "r7b";
END Complete.testdur2beat
Complete.testdivdur
Complete.TestFindDur
Complete.testDur2PMX
TestFindDur
System.Free Complete
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