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exportxml.cpp
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exportxml.cpp
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//=============================================================================
// MusE Score
// Linux Music Score Editor
// $Id: exportxml.cpp 5598 2012-04-30 07:20:39Z lvinken $
//
// Copyright (C) 2002-2009 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// 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, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
/**
MusicXML export.
*/
// TODO: trill lines need to be handled the same way as slurs
// in MuseScore they are measure level elements, while in MusicXML
// they are attached to notes (as ornaments)
//=========================================================
// LVI FIXME
//
// Evaluate paramenter handling between the various classes, could be simplified
//=========================================================
// TODO LVI 2011-10-30: determine how to report export errors.
// Currently all output (both debug and error reports) are done using qDebug.
#include <math.h>
#include "config.h"
//#include "musescore.h"
#include "file.h"
#include "libmscore/score.h"
#include "libmscore/rest.h"
#include "libmscore/chord.h"
#include "libmscore/sig.h"
#include "libmscore/key.h"
#include "libmscore/clef.h"
#include "libmscore/note.h"
#include "libmscore/segment.h"
#include "libmscore/xml.h"
#include "libmscore/beam.h"
#include "libmscore/staff.h"
#include "libmscore/part.h"
#include "libmscore/measure.h"
#include "libmscore/style.h"
#include "musicxml.h"
#include "libmscore/slur.h"
#include "libmscore/hairpin.h"
#include "libmscore/dynamic.h"
#include "libmscore/barline.h"
#include "libmscore/timesig.h"
#include "libmscore/ottava.h"
#include "libmscore/pedal.h"
#include "libmscore/text.h"
#include "libmscore/tuplet.h"
#include "libmscore/lyrics.h"
#include "libmscore/volta.h"
#include "libmscore/keysig.h"
#include "libmscore/bracket.h"
#include "libmscore/arpeggio.h"
#include "libmscore/jump.h"
#include "libmscore/marker.h"
#include "libmscore/tremolo.h"
#include "libmscore/trill.h"
#include "libmscore/harmony.h"
#include "libmscore/tempotext.h"
#include "libmscore/sym.h"
#include "libmscore/pitchspelling.h"
#include "libmscore/utils.h"
#include "libmscore/articulation.h"
#include "libmscore/page.h"
#include "libmscore/system.h"
#include "libmscore/element.h"
#include "libmscore/glissando.h"
#include "libmscore/navigate.h"
#include "libmscore/spanner.h"
#include "libmscore/drumset.h"
#include "preferences.h"
#include "libmscore/mscore.h"
#include "libmscore/accidental.h"
#include "libmscore/breath.h"
#include "libmscore/chordline.h"
#include "libmscore/figuredbass.h"
#include "libmscore/tablature.h"
#include "libmscore/rehearsalmark.h"
#include "libmscore/qzipwriter_p.h"
#include "libmscore/fret.h"
namespace Ms {
//---------------------------------------------------------
// local defines for debug output
//---------------------------------------------------------
// #define DEBUG_CLEF true
// #define DEBUG_REPEATS true
// #define DEBUG_TICK true
//---------------------------------------------------------
// typedefs
//---------------------------------------------------------
typedef QMap<int, const FiguredBass*> FigBassMap;
//---------------------------------------------------------
// attributes -- prints <attributes> tag when necessary
//---------------------------------------------------------
class Attributes {
bool inAttributes;
public:
Attributes() { start(); }
void doAttr(Xml& xml, bool attr);
void start();
void stop(Xml& xml);
};
//---------------------------------------------------------
// doAttr - when necessary change state and print <attributes> tag
//---------------------------------------------------------
void Attributes::doAttr(Xml& xml, bool attr)
{
if (!inAttributes && attr) {
xml.stag("attributes");
inAttributes = true;
}
else if (inAttributes && !attr) {
xml.etag();
inAttributes = false;
}
}
//---------------------------------------------------------
// start -- initialize
//---------------------------------------------------------
void Attributes::start()
{
inAttributes = false;
}
//---------------------------------------------------------
// stop -- print </attributes> tag when necessary
//---------------------------------------------------------
void Attributes::stop(Xml& xml)
{
if (inAttributes) {
xml.etag();
inAttributes = false;
}
}
//---------------------------------------------------------
// notations -- prints <notations> tag when necessary
//---------------------------------------------------------
class Notations {
bool notationsPrinted;
public:
Notations() { notationsPrinted = false; }
void tag(Xml& xml);
void etag(Xml& xml);
};
//---------------------------------------------------------
// articulations -- prints <articulations> tag when necessary
//---------------------------------------------------------
class Articulations {
bool articulationsPrinted;
public:
Articulations() { articulationsPrinted = false; }
void tag(Xml& xml);
void etag(Xml& xml);
};
//---------------------------------------------------------
// ornaments -- prints <ornaments> tag when necessary
//---------------------------------------------------------
class Ornaments {
bool ornamentsPrinted;
public:
Ornaments() { ornamentsPrinted = false; }
void tag(Xml& xml);
void etag(Xml& xml);
};
//---------------------------------------------------------
// technical -- prints <technical> tag when necessary
//---------------------------------------------------------
class Technical {
bool technicalPrinted;
public:
Technical() { technicalPrinted = false; }
void tag(Xml& xml);
void etag(Xml& xml);
};
//---------------------------------------------------------
// slur handler -- prints <slur> tags
//---------------------------------------------------------
class SlurHandler {
const Slur* slur[MAX_NUMBER_LEVEL];
bool started[MAX_NUMBER_LEVEL];
int findSlur(const Slur* s) const;
public:
SlurHandler();
void doSlurStart(Chord* chord, Notations& notations, Xml& xml);
void doSlurStop(Chord* chord, Notations& notations, Xml& xml);
};
//---------------------------------------------------------
// glissando handler -- prints <glissando> tags
//---------------------------------------------------------
class GlissandoHandler {
const Chord* glissChrd[MAX_NUMBER_LEVEL];
const Chord* slideChrd[MAX_NUMBER_LEVEL];
int findChord(const Chord* c, int st) const;
public:
GlissandoHandler();
void doGlissandoStart(Chord* chord, Notations& notations, Xml& xml);
void doGlissandoStop(Chord* chord, Notations& notations, Xml& xml);
};
//---------------------------------------------------------
// ExportMusicXml
//---------------------------------------------------------
typedef QHash<const Chord*, const Trill*> TrillHash;
class ExportMusicXml {
Score* _score;
Xml xml;
SlurHandler sh;
GlissandoHandler gh;
int tick;
Attributes attr;
TextLine const* bracket[MAX_BRACKETS];
int div;
double millimeters;
int tenths;
TrillHash trillStart;
TrillHash trillStop;
int findBracket(const TextLine* tl) const;
void chord(Chord* chord, int staff, const QList<Lyrics*>* ll, bool useDrumset);
void rest(Rest* chord, int staff);
void clef(int staff, int clef);
void timesig(TimeSig* tsig);
void keysig(int key, int staff = 0, bool visible = true);
void barlineLeft(Measure* m);
void barlineRight(Measure* m);
void pitch2xml(Note* note, char& c, int& alter, int& octave);
void unpitch2xml(Note* note, char& c, int& octave);
void lyrics(const QList<Lyrics*>* ll, const int trk);
void work(const MeasureBase* measure);
void calcDivMoveToTick(int t);
void calcDivisions();
double getTenthsFromInches(double);
double getTenthsFromDots(double);
void keysigTimesig(Measure* m, int strack, int etrack);
public:
ExportMusicXml(Score* s)
{
_score = s; tick = 0; div = 1; tenths = 40;
millimeters = _score->spatium() * tenths / (10 * MScore::DPMM);
}
void write(QIODevice* dev);
void credits(Xml& xml);
void moveToTick(int t);
void words(Text const* const text, int staff);
void rehearsal(RehearsalMark const* const rmk, int staff);
void hairpin(Hairpin const* const hp, int staff, int tick);
void ottava(Ottava const* const ot, int staff, int tick);
void pedal(Pedal const* const pd, int staff, int tick);
void textLine(TextLine const* const tl, int staff, int tick);
void dynamic(Dynamic const* const dyn, int staff);
void symbol(Symbol const* const sym, int staff);
void tempoText(TempoText const* const text, int staff);
void harmony(Harmony const* const, FretDiagram const* const fd, int offset = 0);
Score* score() { return _score; }
};
//---------------------------------------------------------
// tag
//---------------------------------------------------------
void Notations::tag(Xml& xml)
{
if (!notationsPrinted)
xml.stag("notations");
notationsPrinted = true;
}
//---------------------------------------------------------
// etag
//---------------------------------------------------------
void Notations::etag(Xml& xml)
{
if (notationsPrinted)
xml.etag();
notationsPrinted = false;
}
//---------------------------------------------------------
// tag
//---------------------------------------------------------
void Articulations::tag(Xml& xml)
{
if (!articulationsPrinted)
xml.stag("articulations");
articulationsPrinted = true;
}
//---------------------------------------------------------
// etag
//---------------------------------------------------------
void Articulations::etag(Xml& xml)
{
if (articulationsPrinted)
xml.etag();
articulationsPrinted = false;
}
//---------------------------------------------------------
// tag
//---------------------------------------------------------
void Ornaments::tag(Xml& xml)
{
if (!ornamentsPrinted)
xml.stag("ornaments");
ornamentsPrinted = true;
}
//---------------------------------------------------------
// etag
//---------------------------------------------------------
void Ornaments::etag(Xml& xml)
{
if (ornamentsPrinted)
xml.etag();
ornamentsPrinted = false;
}
//---------------------------------------------------------
// tag
//---------------------------------------------------------
void Technical::tag(Xml& xml)
{
if (!technicalPrinted)
xml.stag("technical");
technicalPrinted = true;
}
//---------------------------------------------------------
// etag
//---------------------------------------------------------
void Technical::etag(Xml& xml)
{
if (technicalPrinted)
xml.etag();
technicalPrinted = false;
}
//---------------------------------------------------------
// slurHandler
//---------------------------------------------------------
SlurHandler::SlurHandler()
{
for (int i = 0; i < MAX_NUMBER_LEVEL; ++i) {
slur[i] = 0;
started[i] = false;
}
}
//---------------------------------------------------------
// findSlur -- get index of slur in slur table
// return -1 if not found
//---------------------------------------------------------
int SlurHandler::findSlur(const Slur* s) const
{
for (int i = 0; i < MAX_NUMBER_LEVEL; ++i)
if (slur[i] == s) return i;
return -1;
}
//---------------------------------------------------------
// doSlurStart
//---------------------------------------------------------
void SlurHandler::doSlurStart(Chord* chord, Notations& notations, Xml& xml)
{
// search for slur(s) starting at this chord
int tick = chord->tick();
auto sl = chord->score()->spanner();
for (auto it = sl.lower_bound(tick); it != sl.upper_bound(tick); ++it) {
Spanner* sp = it->second;
if (sp->type() != Element::SLUR || sp->track() != chord->track())
continue;
const Slur* s = static_cast<const Slur*>(sp);
// check if on slur list (i.e. stop already seen)
int i = findSlur(s);
//define line type
QString rest;
QString lineType;
switch (s->lineType()) {
case 1:
lineType = "dotted";
break;
case 2:
lineType = "dashed";
break;
default:
lineType = "";
}
if (!lineType.isEmpty())
rest += QString(" line-type=\"%1\"").arg(lineType);
if (i >= 0) {
// remove from list and print start
slur[i] = 0;
started[i] = false;
notations.tag(xml);
xml.tagE(QString("slur%1 type=\"start\"%2 number=\"%3\"").arg(rest).arg(s->slurDirection() == MScore::UP ? " placement=\"above\"" : "").arg(i + 1));
}
else {
// find free slot to store it
i = findSlur(0);
if (i >= 0) {
slur[i] = s;
started[i] = true;
notations.tag(xml);
xml.tagE(QString("slur%1 type=\"start\" number=\"%2\"").arg(rest).arg(i + 1));
}
else
qDebug("no free slur slot");
}
}
}
//---------------------------------------------------------
// doSlurStop
//---------------------------------------------------------
// Note: a slur may start in a higher voice in the same measure.
// In that case it is not yet started (i.e. on the active slur list)
// when doSlurStop() is executed. Handle this slur as follows:
// - generate stop anyway and put it on the slur list
// - doSlurStart() starts slur but doesn't store it
void SlurHandler::doSlurStop(Chord* chord, Notations& notations, Xml& xml)
{
// search for slur(s) stopping at this chord but not on slur list yet
for (auto it : chord->score()->spanner()) {
Spanner* sp = it.second;
if (sp->type() != Element::SLUR || sp->tick2() != chord->tick() || sp->track() != chord->track())
continue;
const Slur* s = static_cast<const Slur*>(sp);
// check if on slur list
int i = findSlur(s);
if (i < 0) {
// if not, find free slot to store it
i = findSlur(0);
if (i >= 0) {
slur[i] = s;
started[i] = false;
notations.tag(xml);
xml.tagE("slur type=\"stop\" number=\"%d\"", i + 1);
}
else
qDebug("no free slur slot");
}
}
// search slur list for already started slur(s) stopping at this chord
for (int i = 0; i < MAX_NUMBER_LEVEL; ++i) {
if (slur[i] && slur[i]->tick2() == chord->tick() && slur[i]->track() == chord->track()) {
if (started[i]) {
slur[i] = 0;
started[i] = false;
notations.tag(xml);
xml.tagE("slur type=\"stop\" number=\"%d\"", i + 1);
}
}
}
}
//---------------------------------------------------------
// glissando
//---------------------------------------------------------
// <notations>
// <slide line-type="solid" number="1" type="start"/>
// </notations>
// <notations>
// <glissando line-type="wavy" number="1" type="start"/>
// </notations>
static void glissando(Glissando* gli, int number, bool start, Notations& notations, Xml& xml)
{
GlissandoType st = gli->glissandoType();
switch (st) {
case GlissandoType::STRAIGHT:
notations.tag(xml);
xml.tagE("slide line-type=\"solid\" number=\"%d\" type=\"%s\"",
number, start ? "start" : "stop");
break;
case GlissandoType::WAVY:
notations.tag(xml);
xml.tagE("glissando line-type=\"wavy\" number=\"%d\" type=\"%s\"",
number, start ? "start" : "stop");
break;
default:
qDebug("unknown glissando subtype %d", st);
break;
}
}
//---------------------------------------------------------
// GlissandoHandler
//---------------------------------------------------------
GlissandoHandler::GlissandoHandler()
{
for (int i = 0; i < MAX_NUMBER_LEVEL; ++i) {
glissChrd[i] = 0;
slideChrd[i] = 0;
}
}
//---------------------------------------------------------
// findChord -- get index of chord in chord table for subtype st
// return -1 if not found
//---------------------------------------------------------
int GlissandoHandler::findChord(const Chord* c, int st) const
{
if (st != 0 && st != 1) {
qDebug("GlissandoHandler::findChord: unknown glissando subtype %d", st);
return -1;
}
for (int i = 0; i < MAX_NUMBER_LEVEL; ++i) {
if (st == 0 && slideChrd[i] == c) return i;
if (st == 1 && glissChrd[i] == c) return i;
}
return -1;
}
//---------------------------------------------------------
// doGlissandoStart
//---------------------------------------------------------
void GlissandoHandler::doGlissandoStart(Chord* chord, Notations& notations, Xml& xml)
{
GlissandoType st = chord->glissando()->glissandoType();
if (st != GlissandoType::STRAIGHT && st != GlissandoType::WAVY) {
qDebug("doGlissandoStart: unknown glissando subtype %d", st);
return;
}
// check if on chord list
int i = findChord(chord, int(st));
if (i >= 0) {
// print error and remove from list
qDebug("doGlissandoStart: chord %p already on list", chord);
if (st == GlissandoType::STRAIGHT) slideChrd[i] = 0;
if (st == GlissandoType::WAVY) glissChrd[i] = 0;
}
// find free slot to store it
i = findChord(0, int(st));
if (i >= 0) {
if (st == GlissandoType::STRAIGHT) slideChrd[i] = chord;
if (st == GlissandoType::WAVY) glissChrd[i] = chord;
glissando(chord->glissando(), i + 1, true, notations, xml);
}
else
qDebug("doGlissandoStart: no free slot");
}
//---------------------------------------------------------
// doGlissandoStop
//---------------------------------------------------------
void GlissandoHandler::doGlissandoStop(Chord* chord, Notations& notations, Xml& xml)
{
GlissandoType st = chord->glissando()->glissandoType();
if (st != GlissandoType::STRAIGHT && st != GlissandoType::WAVY) {
qDebug("doGlissandoStart: unknown glissando subtype %d", st);
return;
}
for (int i = 0; i < MAX_NUMBER_LEVEL; ++i) {
if (st == GlissandoType::STRAIGHT && slideChrd[i] == chord) {
slideChrd[i] = 0;
glissando(chord->glissando(), i + 1, false, notations, xml);
return;
}
if (st == GlissandoType::WAVY && glissChrd[i] == chord) {
glissChrd[i] = 0;
glissando(chord->glissando(), i + 1, false, notations, xml);
return;
}
}
qDebug("doGlissandoStop: glissando chord %p not found", chord);
}
//---------------------------------------------------------
// directions anchor -- anchor directions at another element or a specific tick
//---------------------------------------------------------
class DirectionsAnchor {
Element* direct; // the element containing the direction
Element* anchor; // the element it is attached to
bool start; // whether it is attached to start or end
int tick; // the timestamp
public:
DirectionsAnchor(Element* a, bool s, int t) { direct = 0; anchor = a; start = s; tick = t; }
DirectionsAnchor(int t) { direct = 0; anchor = 0; start = true; tick = t; }
Element* getDirect() { return direct; }
Element* getAnchor() { return anchor; }
bool getStart() { return start; }
int getTick() { return tick; }
void setDirect(Element* d) { direct = d; }
};
//---------------------------------------------------------
// trill hadling
//---------------------------------------------------------
// Find chords to attach trills to. This is necessary because in MuseScore
// trills are spanners (thus attached to segments), while in MusicXML trills
// are attached to notes.
// TBD: must trill end be in the same staff as trill started ?
// if so, no need to pass in strack and etrack (trill has a track)
static void findTrillAnchors(const Trill* trill, Chord*& startChord, Chord*& stopChord)
{
const Segment* seg = trill->startSegment();
const int endTick = trill->tick2();
const int strack = trill->track();
// try to find chords in the same track:
// find a track with suitable chords both for start and stop
for (int i = 0; i < VOICES; ++i) {
Element* el = seg->element(strack + i);
if (!el)
continue;
if (el->type() != Element::CHORD)
continue;
startChord = static_cast<Chord*>(el);
Segment* s = trill->score()->tick2segmentEnd(strack + i, endTick);
if (!s)
continue;
el = s->element(strack + i);
if (!el)
continue;
if (el->type() != Element::CHORD)
continue;
stopChord = static_cast<Chord*>(el);
return;
}
// try to find start/stop chords in different tracks
for (int i = 0; i < VOICES; ++i) {
Element* el = seg->element(strack + i);
if (!el)
continue;
if (el->type() != Element::CHORD)
continue;
startChord = static_cast<Chord*>(el);
break; // first chord found is OK
}
for (int i = 0; i < VOICES; ++i) {
Segment* s = trill->score()->tick2segmentEnd(strack + i, endTick);
if (!s)
continue;
Element* el = s->element(strack + i);
if (!el)
continue;
if (el->type() != Element::CHORD)
continue;
stopChord = static_cast<Chord*>(el);
break; // first chord found is OK
}
}
// find all trills in this measure and this part
static void findTrills(Measure* measure, int strack, int etrack, TrillHash& trillStart, TrillHash& trillStop)
{
// loop over all segments in this measure
for (auto it : measure->score()->spanner()) {
Spanner* e = it.second;
if (e->type() == Element::TRILL && strack <= e->track() && e->track() < etrack
&& e->tick() >= measure->tick() && e->tick() < measure->tick())
{
// a trill is found starting in this segment, trill end time is known
// determine notes to write trill start and stop
const Trill* tr = static_cast<const Trill*>(e);
Chord* startChord = 0; // chord where trill starts
Chord* stopChord = 0; // chord where trill stops
findTrillAnchors(tr, startChord, stopChord);
if (startChord && stopChord) {
trillStart.insert(startChord, tr);
trillStop.insert(stopChord, tr);
}
}
}
}
//---------------------------------------------------------
// helpers for ::calcDivisions
//---------------------------------------------------------
typedef QList<int> IntVector;
static IntVector integers;
static IntVector primes;
// check if all integers can be divided by d
static bool canDivideBy(int d)
{
bool res = true;
for (int i = 0; i < integers.count(); i++) {
if ((integers[i] <= 1) || ((integers[i] % d) != 0)) {
res = false;
}
}
return res;
}
// divide all integers by d
static void divideBy(int d)
{
for (int i = 0; i < integers.count(); i++) {
integers[i] /= d;
}
}
static void addInteger(int len)
{
if (!integers.contains(len)) {
integers.append(len);
}
}
//---------------------------------------------------------
// calcDivMoveToTick
//---------------------------------------------------------
void ExportMusicXml::calcDivMoveToTick(int t)
{
if (t < tick) {
#ifdef DEBUG_TICK
qDebug("backup %d\n", tick - t);
#endif
addInteger(tick - t);
}
else if (t > tick) {
#ifdef DEBUG_TICK
qDebug("forward %d\n", t - tick);
#endif
addInteger(t - tick);
}
tick = t;
}
//---------------------------------------------------------
// isTwoNoteTremolo - determine is chord is part of two note tremolo
//---------------------------------------------------------
static bool isTwoNoteTremolo(Chord* chord)
{
return (chord->tremolo() && chord->tremolo()->twoNotes());
}
//---------------------------------------------------------
// calcDivisions
//---------------------------------------------------------
// Loop over all voices in all staffs and determine a suitable value for divisions.
// Length of time in MusicXML is expressed in "units", which should allow expressing all time values
// as an integral number of units. Divisions contains the number of units in a quarter note.
// MuseScore uses division (480) midi ticks to represent a quarter note, which expresses all note values
// plus triplets and quintuplets as integer values. Solution is to collect all time values required,
// and divide them by the highest common denominator, which is implemented as a series of
// divisions by prime factors. Initialize the list with division to make sure a quarter note can always
// be written as an integral number of units.
/**
*/
void ExportMusicXml::calcDivisions()
{
// init
integers.clear();
primes.clear();
integers.append(MScore::division);
primes.append(2);
primes.append(3);
primes.append(5);
const QList<Part*>& il = _score->parts();
for (int idx = 0; idx < il.size(); ++idx) {
Part* part = il.at(idx);
tick = 0;
int staves = part->nstaves();
int strack = _score->staffIdx(part) * VOICES;
int etrack = strack + staves * VOICES;
for (MeasureBase* mb = _score->measures()->first(); mb; mb = mb->next()) {
if (mb->type() != Element::MEASURE)
continue;
Measure* m = (Measure*)mb;
for (int st = strack; st < etrack; ++st) {
// sstaff - xml staff number, counting from 1 for this
// instrument
// special number 0 -> dont show staff number in
// xml output (because there is only one staff)
int sstaff = (staves > 1) ? st - strack + VOICES : 0;
sstaff /= VOICES;
for (Segment* seg = m->first(); seg; seg = seg->next()) {
Element* el = seg->element(st);
if (!el)
continue;
// must ignore start repeat to prevent spurious backup/forward
if (el->type() == Element::BAR_LINE && static_cast<BarLine*>(el)->barLineType() == START_REPEAT)
continue;
if (tick != seg->tick())
calcDivMoveToTick(seg->tick());
if (el->isChordRest()) {
int l = static_cast<ChordRest*>(el)->actualTicks();
if (el->type() == Element::CHORD) {
if (isTwoNoteTremolo(static_cast<Chord*>(el)))
l /= 2;
}
#ifdef DEBUG_TICK
qDebug("chordrest %d", l);
#endif
addInteger(l);
tick += l;
}
}
}
// move to end of measure (in case of incomplete last voice)
calcDivMoveToTick(m->tick() + m->ticks());
}
}
// do it: divide by all primes as often as possible
for (int u = 0; u < primes.count(); u++)
while (canDivideBy(primes[u]))
divideBy(primes[u]);
div = MScore::division / integers[0];
#ifdef DEBUG_TICK
qDebug("divisions=%d div=%d", integers[0], div);
#endif
}
//---------------------------------------------------------
// writePageFormat
//---------------------------------------------------------
static void writePageFormat(const PageFormat* pf, Xml& xml, double conversion)
{
xml.stag("page-layout");
//qreal t = 2 * PPI * 10 / 9;
xml.tag("page-height", pf->size().height() * conversion);
xml.tag("page-width", pf->size().width() * conversion);
QString type("both");
if (pf->twosided()) {
type = "even";
xml.stag(QString("page-margins type=\"%1\"").arg(type));
xml.tag("left-margin", pf->evenLeftMargin() * conversion);
xml.tag("right-margin", pf->evenRightMargin() * conversion);
xml.tag("top-margin", pf->evenTopMargin() * conversion);
xml.tag("bottom-margin", pf->evenBottomMargin() * conversion);
xml.etag();
type = "odd";
}
xml.stag(QString("page-margins type=\"%1\"").arg(type));
xml.tag("left-margin", pf->oddLeftMargin() * conversion);
xml.tag("right-margin", pf->oddRightMargin() * conversion);
xml.tag("top-margin", pf->oddTopMargin() * conversion);
xml.tag("bottom-margin", pf->oddBottomMargin() * conversion);
xml.etag();
xml.etag();
}
//---------------------------------------------------------
// defaults
//---------------------------------------------------------
// _spatium = MScore::DPMM * (millimeter * 10.0 / tenths);
static void defaults(Xml& xml, Score* s, double& millimeters, const int& tenths)
{
xml.stag("defaults");
xml.stag("scaling");
xml.tag("millimeters", millimeters);
xml.tag("tenths", tenths);
xml.etag();
const PageFormat* pf = s->pageFormat();
if (pf)
writePageFormat(pf, xml, INCH / millimeters * tenths);
// TODO: also write default system layout here
// when exporting only manual or no breaks, system-distance is not written at all
xml.etag();
}
//---------------------------------------------------------
// creditWords
//---------------------------------------------------------
static void creditWords(Xml& xml, double x, double y, int fs, QString just, QString val, QString words)
{
xml.stag("credit page=\"1\"");
QString tagname = QString("credit-words");
tagname += QString(" default-x=\"%1\"").arg(x);
tagname += QString(" default-y=\"%1\"").arg(y);
tagname += QString(" font-size=\"%1\"").arg(fs);
tagname += " justify=\"" + just + "\"";
tagname += " valign=\"" + val + "\"";
xml.tag(tagname, words);
xml.etag();
}
//---------------------------------------------------------
// credits
//---------------------------------------------------------
void ExportMusicXml::credits(Xml& xml)
{
// debug
qDebug("credits:");
const MeasureBase* measure = _score->measures()->first();
if (measure) {
foreach(const Element* element, *measure->el()) {
if (element->type() == Element::TEXT) {
const Text* text = (const Text*)element;
bool mustPrint = true;
if (mustPrint) qDebug("text styled %d style %d(%s) '%s' at %f,%f",
text->styled(),
text->textStyleType(),
qPrintable(text->textStyle().name()),
qPrintable(text->text()),
text->pagePos().x(),
text->pagePos().y()
);