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figuredbass.cpp
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figuredbass.cpp
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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#include "figuredbass.h"
#include "score.h"
#include "note.h"
#include "measure.h"
#include "system.h"
#include "segment.h"
#include "chord.h"
#include "rest.h"
#include "score.h"
#include "sym.h"
#include "xml.h"
// trying to do without it
//#include <QQmlEngine>
namespace Ms {
//---------------------------------------------------------
// figuredBassStyle
//---------------------------------------------------------
static const ElementStyle figuredBassStyle {
{ Sid::figuredBassMinDistance, Pid::MIN_DISTANCE },
};
//---------------------------------------------------------
// figuredBassTextStyle
//---------------------------------------------------------
static const ElementStyle figuredBassTextStyle {
{ Sid::figuredBassFontFace, Pid::FONT_FACE },
{ Sid::figuredBassFontSize, Pid::FONT_SIZE },
{ Sid::figuredBassFontStyle, Pid::FONT_STYLE },
};
static constexpr qreal FB_CONTLINE_HEIGHT = 0.875; // the % of font EM to raise the cont. line at
// (0 = top of font; 1 = bottom of font)
static constexpr qreal FB_CONTLINE_LEFT_PADDING = 0.1875; // (3/16sp) the blank space at the left of a cont. line (in sp)
static constexpr qreal FB_CONTLINE_OVERLAP = 0.125; // (1/8sp) the overlap of an extended cont. line (in sp)
static constexpr qreal FB_CONTLINE_THICKNESS = 0.09375; // (3/32sp) the thickness of a cont. line (in sp)
// the array of configured fonts
static QList<FiguredBassFont> g_FBFonts;
//---------------------------------------------------------
// F I G U R E D B A S S I T E M
//---------------------------------------------------------
// used for indexed access to parenthesis chars
// (these is no normAccidToChar[], as accidentals may use mult. chars in normalized display):
const QChar FiguredBassItem::normParenthToChar[int(FiguredBassItem::Parenthesis::NUMOF)] =
{ 0, '(', ')', '[', ']'};
FiguredBassItem::FiguredBassItem(Score* s, int l)
: Element(s), ord(l)
{
_prefix = _suffix = Modifier::NONE;
_digit = FBIDigitNone;
parenth[0] = parenth[1] = parenth[2] = parenth[3] = parenth[4] = Parenthesis::NONE;
_contLine = ContLine::NONE;
textWidth = 0;
}
FiguredBassItem::FiguredBassItem(const FiguredBassItem& item)
: Element(item)
{
ord = item.ord;
_prefix = item._prefix;
_digit = item._digit;
_suffix = item._suffix;
parenth[0] = item.parenth[0];
parenth[1] = item.parenth[1];
parenth[2] = item.parenth[2];
parenth[3] = item.parenth[3];
parenth[4] = item.parenth[4];
_contLine = item._contLine;
textWidth = item.textWidth;
_displayText= item._displayText;
}
FiguredBassItem::~FiguredBassItem()
{
}
//---------------------------------------------------------
// FiguredBassItem parse()
//
// converts a string into a property-based representation, if possible;
// return true on success | false if the string is non-conformant
//---------------------------------------------------------
bool FiguredBassItem::parse(QString& str)
{
int retVal;
parseParenthesis(str, 0);
retVal = parsePrefixSuffix(str, true); // prefix
if(retVal == -1)
return false;
parseParenthesis(str, 1);
retVal = parseDigit(str); // digit
if(retVal == -1)
return false;
parseParenthesis(str, 2);
retVal = parsePrefixSuffix(str, false); // suffix
if(retVal == -1)
return false;
parseParenthesis(str, 3);
// check for a possible cont. line symbol(s)
_contLine = ContLine::NONE; // contLine
if(str[0] == '-' || str[0] == '_') { // 1 symbol: simple continuation
_contLine = ContLine::SIMPLE;
str.remove(0, 1);
}
while(str[0] == '-' || str[0] == '_') { // more than 1 symbol: extended continuation
_contLine = ContLine::EXTENDED;
str.remove(0, 1);
}
parseParenthesis(str, 4);
// remove useless parentheses, moving external parentheses toward central digit element
if(_prefix == Modifier::NONE && parenth[1] == Parenthesis::NONE) {
parenth[1] = parenth[0];
parenth[0] = Parenthesis::NONE;
}
if(_digit == FBIDigitNone && parenth[2] == Parenthesis::NONE) {
parenth[2] = parenth[1];
parenth[1] = Parenthesis::NONE;
}
if(_contLine == ContLine::NONE && parenth[3] == Parenthesis::NONE) {
parenth[3] = parenth[4];
parenth[4] = Parenthesis::NONE;
}
if(_suffix == Modifier::NONE && parenth[2] == Parenthesis::NONE) {
parenth[2] = parenth[3];
parenth[3] = Parenthesis::NONE;
}
// some checks:
// if some extra input, str is not conformant
if(str.size())
return false;
// can't have BOTH prefix and suffix
// prefix, digit, suffix and cont.line cannot be ALL empty
// suffix cannot combine with empty digit
if( (_prefix != Modifier::NONE && _suffix != Modifier::NONE)
|| (_prefix == Modifier::NONE && _digit == FBIDigitNone && _suffix == Modifier::NONE && _contLine == ContLine::NONE)
|| ( (_suffix == Modifier::CROSS || _suffix == Modifier::BACKSLASH || _suffix == Modifier::SLASH)
&& _digit == FBIDigitNone) )
return false;
return true;
}
//---------------------------------------------------------
// FiguredBassItem parsePrefixSuffix()
//
// scans str to extract prefix or suffix properties. Stops at the first char which cannot fit.
// Fitting chars are removed from str. DOES NOT generate any display text
//
// returns the number of QChar's read from str or -1 if prefix / suffix has an illegal format
// (no prefix / suffix at all IS legal)
//---------------------------------------------------------
int FiguredBassItem::parsePrefixSuffix(QString& str, bool bPrefix)
{
Modifier * dest = bPrefix ? &_prefix : &_suffix;
bool done = false;
int size = str.size();
str = str.trimmed();
*dest = Modifier::NONE;
while(str.size()) {
switch(str.at(0).unicode())
{
case 'b':
if(*dest != Modifier::NONE) {
if(*dest == Modifier::FLAT) // FLAT may double a previous FLAT
*dest = Modifier::DOUBLEFLAT;
else
return -1; // but no other combination is acceptable
}
else
*dest = Modifier::FLAT;
break;
case 'h':
if(*dest != Modifier::NONE) // cannot combine with any other accidental
return -1;
*dest = Modifier::NATURAL;
break;
case '#':
if(*dest != Modifier::NONE) {
if(*dest == Modifier::SHARP) // SHARP may double a previous SHARP
*dest = Modifier::DOUBLESHARP;
else
return -1; // but no other combination is acceptable
}
else
*dest = Modifier::SHARP;
break;
case '+':
// accept '+' as both a prefix and a suffix for harmony notation
if(*dest != Modifier::NONE) // cannot combine with any other accidental
return -1;
*dest = Modifier::CROSS;
break;
// '\\' and '/' go into the suffix
case '\\':
if(_suffix != Modifier::NONE) // cannot combine with any other accidental
return -1;
_suffix = Modifier::BACKSLASH;
break;
case '/':
if(_suffix != Modifier::NONE) // cannot combine with any other accidental
return -1;
_suffix = Modifier::SLASH;
break;
default: // any other char: no longer in prefix/suffix
done = true;
break;
}
if(done)
break;
str.remove(0,1); // 'eat' the char and continue
}
return size - str.size(); // return how many chars we had read into prefix/suffix
}
//---------------------------------------------------------
// FiguredBassItem parseDigit()
//
// scans str to extract digit properties. Stops at the first char which cannot belong to digit part.
// Fitting chars are removed from str. DOES NOT generate any display text
//
// returns the number of QChar's read from str or -1 if no legal digit can be constructed
// (no digit at all IS legal)
//---------------------------------------------------------
int FiguredBassItem::parseDigit(QString& str)
{
int size = str.size();
str = str.trimmed();
_digit = FBIDigitNone;
while(str.size()) {
// any digit acceptable
if(str[0] >= '0' && str[0] <= '9') {
if (_digit == FBIDigitNone)
_digit = 0;
_digit = _digit*10 + (str[0].unicode() - '0');
str.remove(0, 1);
}
// anything else: no longer in digit part
else
break;
}
return size - str.size();
}
//---------------------------------------------------------
// FiguredBassItem parseParenthesis()
//
// scans str to extract a (possible) parenthesis, stores its code into parenth[parenthIdx]
// and removes it from str. Only looks at first str char.
//
// returns the number of QChar's read from str (actually 0 or 1).
//---------------------------------------------------------
int FiguredBassItem::parseParenthesis(QString& str, int parenthIdx)
{
int c = str[0].unicode();
Parenthesis code = Parenthesis::NONE;
switch(c)
{
case '(':
code = Parenthesis::ROUNDOPEN;
break;
case ')':
code = Parenthesis::ROUNDCLOSED;
break;
case '[':
code = Parenthesis::SQUAREDOPEN;
break;
case ']':
code = Parenthesis::SQUAREDCLOSED;
break;
default:
break;
}
parenth[parenthIdx] = code;
if(code != Parenthesis::NONE) {
str.remove(0, 1);
return 1;
}
return 0;
}
//---------------------------------------------------------
// FiguredBassItem normalizedText()
//
// returns a string with the normalized text, i.e. the text displayed while editing;
// this is a standard textual representation of the item properties
//---------------------------------------------------------
QString FiguredBassItem::normalizedText() const
{
QString str = QString();
if(parenth[0] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[0])]);
if(_prefix != Modifier::NONE) {
switch(_prefix)
{
case Modifier::FLAT:
str.append('b');
break;
case Modifier::NATURAL:
str.append('h');
break;
case Modifier::SHARP:
str.append('#');
break;
case Modifier::CROSS:
str.append('+');
break;
case Modifier::DOUBLEFLAT:
str.append("bb");
break;
case Modifier::DOUBLESHARP:
str.append("##");
break;
default:
break;
}
}
if(parenth[1] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[1])]);
// digit
if(_digit != FBIDigitNone)
str.append(QString::number(_digit));
if(parenth[2] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[2])]);
// suffix
if(_suffix != Modifier::NONE) {
switch(_suffix)
{
case Modifier::FLAT:
str.append('b');
break;
case Modifier::NATURAL:
str.append('h');
break;
case Modifier::SHARP:
str.append('#');
break;
case Modifier::CROSS:
str.append('+');
break;
case Modifier::BACKSLASH:
str.append('\\');
break;
case Modifier::SLASH:
str.append('/');
break;
case Modifier::DOUBLEFLAT:
str.append("bb");
break;
case Modifier::DOUBLESHARP:
str.append("##");
break;
default:
break;
}
}
if(parenth[3] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[3])]);
if(_contLine > ContLine::NONE) {
str.append('_');
if (_contLine > ContLine::SIMPLE)
str.append('_');
}
if(parenth[4] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[4])]);
return str;
}
//---------------------------------------------------------
// FiguredBassItem write()
//---------------------------------------------------------
void FiguredBassItem::write(XmlWriter& xml) const
{
xml.stag("FiguredBassItem", this);
xml.tagE(QString("brackets b0=\"%1\" b1=\"%2\" b2=\"%3\" b3=\"%4\" b4=\"%5\"")
.arg(int(parenth[0])) .arg(int(parenth[1])) .arg(int(parenth[2])) .arg(int(parenth[3])) .arg(int(parenth[4])) );
if (_prefix != Modifier::NONE)
xml.tag(QString("prefix"), int(_prefix));
if (_digit != FBIDigitNone)
xml.tag(QString("digit"), _digit);
if (_suffix != Modifier::NONE)
xml.tag(QString("suffix"), int(_suffix));
if (_contLine != ContLine::NONE)
xml.tag("continuationLine", int(_contLine));
xml.etag();
}
//---------------------------------------------------------
// FiguredBassItem read()
//---------------------------------------------------------
void FiguredBassItem::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "brackets") {
parenth[0] = (Parenthesis)e.intAttribute("b0");
parenth[1] = (Parenthesis)e.intAttribute("b1");
parenth[2] = (Parenthesis)e.intAttribute("b2");
parenth[3] = (Parenthesis)e.intAttribute("b3");
parenth[4] = (Parenthesis)e.intAttribute("b4");
e.readNext();
}
else if (tag == "prefix")
_prefix = (Modifier)(e.readInt());
else if (tag == "digit")
_digit = e.readInt();
else if (tag == "suffix")
_suffix = (Modifier)(e.readInt());
else if(tag == "continuationLine")
_contLine = (ContLine)(e.readInt());
else if (!Element::readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// FiguredBassItem layout()
// creates the display text (set as element text) and computes
// the horiz. offset needed to align the right part as well as the vert. offset
//---------------------------------------------------------
void FiguredBassItem::layout()
{
qreal h, w, x, x1, x2, y;
// construct font metrics
int fontIdx = 0;
QFont f(g_FBFonts.at(fontIdx).family);
// font size in pixels, scaled according to spatium()
// (use the same font selection as used in draw() below)
qreal m = score()->styleD(Sid::figuredBassFontSize) * spatium() / SPATIUM20;
f.setPointSizeF(m);
QFontMetricsF fm(f, MScore::paintDevice());
QString str;
x = symWidth(SymId::noteheadBlack) * .5;
x1 = x2 = 0.0;
// create display text
int font = 0;
int style = score()->styleI(Sid::figuredBassStyle);
if (parenth[0] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(parenth[0])]);
// prefix
if (_prefix != Modifier::NONE) {
// if no digit, the string created so far 'hangs' to the left of the note
if(_digit == FBIDigitNone)
x1 = fm.width(str);
str.append(g_FBFonts.at(font).displayAccidental[int(_prefix)]);
// if no digit, the string from here onward 'hangs' to the right of the note
if(_digit == FBIDigitNone)
x2 = fm.width(str);
}
if(parenth[1] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(parenth[1])]);
// digit
if(_digit != FBIDigitNone) {
// if some digit, the string created so far 'hangs' to the left of the note
x1 = fm.width(str);
// if suffix is a combining shape, combine it with digit (multi-digit numbers cannot be combined)
// unless there is a parenthesis in between
if( (_digit < 10)
&& (_suffix == Modifier::CROSS || _suffix == Modifier::BACKSLASH || _suffix == Modifier::SLASH)
&& parenth[2] == Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayDigit[style][_digit][int(_suffix)-(int(Modifier::CROSS)-1)]);
// if several digits or no shape combination, convert _digit to font styled chars
else {
QString digits = QString();
int digit = _digit;
while (true) {
digits.prepend(g_FBFonts.at(font).displayDigit[style][(digit % 10)][0]);
digit /= 10;
if (digit == 0)
break;
}
str.append(digits);
}
// if some digit, the string from here onward 'hangs' to the right of the note
x2 = fm.width(str);
}
if(parenth[2] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(parenth[2])]);
// suffix
// append only if non-combining shape or cannot combine (no digit or parenthesis in between)
if( _suffix != Modifier::NONE
&& ( (_suffix != Modifier::CROSS && _suffix != Modifier::BACKSLASH && _suffix != Modifier::SLASH)
|| _digit == FBIDigitNone
|| parenth[2] != Parenthesis::NONE) )
str.append(g_FBFonts.at(font).displayAccidental[int(_suffix)]);
if(parenth[3] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(parenth[3])]);
setDisplayText(str); // this text will be displayed
if (str.size()) // if some text
x = x - (x1+x2) * 0.5; // position the text so that [x1<-->x2] is centered below the note
else // if no text (but possibly a line)
x = 0; // start at note left margin
// vertical position
h = fm.lineSpacing();
h *= score()->styleD(Sid::figuredBassLineHeight);
if (score()->styleI(Sid::figuredBassAlignment) == 0) // top alignment: stack down from first item
y = h * ord;
else // bottom alignment: stack up from last item
y = -h * (figuredBass()->numOfItems() - ord);
setPos(x, y);
// determine bbox from text width
// w = fm.width(str);
w = fm.boundingRect(str).width();
textWidth = w;
// if there is a cont.line, extend width to cover the whole FB element duration line
int lineLen;
if(_contLine != ContLine::NONE && (lineLen=figuredBass()->lineLength(0)) > w)
w = lineLen;
bbox().setRect(0, 0, w, h);
}
//---------------------------------------------------------
// FiguredBassItem draw()
//---------------------------------------------------------
void FiguredBassItem::draw(QPainter* painter) const
{
int font = 0;
qreal _spatium = spatium();
// set font from general style
QFont f(g_FBFonts.at(font).family);
#ifdef USE_GLYPHS
f.setHintingPreference(QFont::PreferVerticalHinting);
#endif
// (use the same font selection as used in layout() above)
qreal m = score()->styleD(Sid::figuredBassFontSize) * spatium() / SPATIUM20;
f.setPointSizeF(m * MScore::pixelRatio);
painter->setFont(f);
painter->setBrush(Qt::NoBrush);
QPen pen(figuredBass()->curColor(), FB_CONTLINE_THICKNESS * _spatium, Qt::SolidLine, Qt::RoundCap);
painter->setPen(pen);
painter->drawText(bbox(), Qt::TextDontClip | Qt::AlignLeft | Qt::AlignTop, displayText());
// continuation line
qreal lineEndX = 0.0;
if (_contLine != ContLine::NONE) {
qreal lineStartX = textWidth; // by default, line starts right after text
if (lineStartX > 0.0)
lineStartX += _spatium * FB_CONTLINE_LEFT_PADDING; // if some text, give some room after it
lineEndX = figuredBass()->printedLineLength(); // by default, line ends with item duration
if (lineEndX - lineStartX < 1.0) // if line length < 1 sp, ignore it
lineEndX = 0.0;
// if extended cont.line and no closing parenthesis: look at next FB element
if (_contLine > ContLine::SIMPLE && parenth[4] == Parenthesis::NONE) {
FiguredBass * nextFB;
// if there is a contiguous FB element
if ( (nextFB=figuredBass()->nextFiguredBass()) != 0) {
// retrieve the X position (in page coords) of a possible cont. line of nextFB
// on the same line of 'this'
QPointF pgPos = pagePos();
qreal nextContPageX = nextFB->additionalContLineX(pgPos.y());
// if an additional cont. line has been found, extend up to its initial X coord
if (nextContPageX > 0)
lineEndX = nextContPageX - pgPos.x() + _spatium*FB_CONTLINE_OVERLAP;
// with a little bit of overlap
else
lineEndX = figuredBass()->lineLength(0); // if none found, draw to the duration end
}
}
// if some line, draw it
if (lineEndX > 0.0) {
qreal h = bbox().height() * FB_CONTLINE_HEIGHT;
painter->drawLine(lineStartX, h, lineEndX - ipos().x(), h);
}
}
// closing cont.line parenthesis
if (parenth[4] != Parenthesis::NONE) {
int x = lineEndX > 0.0 ? lineEndX : textWidth;
painter->drawText(QRectF(x, 0, bbox().width(), bbox().height()), Qt::AlignLeft | Qt::AlignTop,
g_FBFonts.at(font).displayParenthesis[int(parenth[4])]);
}
}
//---------------------------------------------------------
// PROPERTY METHODS
//---------------------------------------------------------
QVariant FiguredBassItem::getProperty(Pid propertyId) const
{
switch(propertyId) {
case Pid::FBPREFIX:
return int(_prefix);
case Pid::FBDIGIT:
return _digit;
case Pid::FBSUFFIX:
return int(_suffix);
case Pid::FBCONTINUATIONLINE:
return int(_contLine);
case Pid::FBPARENTHESIS1:
return int(parenth[0]);
case Pid::FBPARENTHESIS2:
return int(parenth[1]);
case Pid::FBPARENTHESIS3:
return int(parenth[2]);
case Pid::FBPARENTHESIS4:
return int(parenth[3]);
case Pid::FBPARENTHESIS5:
return int(parenth[4]);
default:
return Element::getProperty(propertyId);
}
}
bool FiguredBassItem::setProperty(Pid propertyId, const QVariant& v)
{
score()->addRefresh(canvasBoundingRect());
int val = v.toInt();
switch(propertyId) {
case Pid::FBPREFIX:
if(val < int(Modifier::NONE) || val >= int(Modifier::NUMOF))
return false;
_prefix = (Modifier)val;
break;
case Pid::FBDIGIT:
if(val < 1 || val > 9)
return false;
_digit = val;
break;
case Pid::FBSUFFIX:
if(val < int(Modifier::NONE) || val >= int(Modifier::NUMOF))
return false;
_suffix = (Modifier)val;
break;
case Pid::FBCONTINUATIONLINE:
_contLine = (ContLine)val;
break;
case Pid::FBPARENTHESIS1:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[0] = (Parenthesis)val;
break;
case Pid::FBPARENTHESIS2:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[1] = (Parenthesis)val;
break;
case Pid::FBPARENTHESIS3:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[2] = (Parenthesis)val;
break;
case Pid::FBPARENTHESIS4:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[3] = (Parenthesis)val;
break;
case Pid::FBPARENTHESIS5:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[4] = (Parenthesis)val;
break;
default:
return Element::setProperty(propertyId, v);
}
triggerLayout();
return true;
}
QVariant FiguredBassItem::propertyDefault(Pid id) const
{
switch(id) {
case Pid::FBPREFIX:
case Pid::FBSUFFIX:
return int(Modifier::NONE);
case Pid::FBDIGIT:
return FBIDigitNone;
case Pid::FBCONTINUATIONLINE:
return false;
default:
return Element::propertyDefault(id);
}
}
//---------------------------------------------------------
// UNDOABLE PROPERTY SETTERS
//---------------------------------------------------------
void FiguredBassItem::undoSetPrefix(Modifier pref)
{
if(pref <= Modifier::CROSS) {
undoChangeProperty(Pid::FBPREFIX, (int)pref);
// if setting some prefix and there is a suffix already, clear suffix
if(pref != Modifier::NONE && _suffix != Modifier::NONE)
undoChangeProperty(Pid::FBSUFFIX, int(Modifier::NONE));
layout(); // re-generate displayText
}
}
void FiguredBassItem::undoSetDigit(int digit)
{
if (digit >= 0 && digit <= 9) {
undoChangeProperty(Pid::FBDIGIT, digit);
layout(); // re-generate displayText
}
}
void FiguredBassItem::undoSetSuffix(Modifier suff)
{
undoChangeProperty(Pid::FBSUFFIX, int(suff));
// if setting some suffix and there is a prefix already, clear prefix
if(suff != Modifier::NONE && _prefix != Modifier::NONE)
undoChangeProperty(Pid::FBPREFIX, int(Modifier::NONE));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetContLine(ContLine val)
{
undoChangeProperty(Pid::FBCONTINUATIONLINE, int(val));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth1(Parenthesis par)
{
undoChangeProperty(Pid::FBPARENTHESIS1, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth2(Parenthesis par)
{
undoChangeProperty(Pid::FBPARENTHESIS2, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth3(Parenthesis par)
{
undoChangeProperty(Pid::FBPARENTHESIS3, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth4(Parenthesis par)
{
undoChangeProperty(Pid::FBPARENTHESIS4, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth5(Parenthesis par)
{
undoChangeProperty(Pid::FBPARENTHESIS5, int(par));
layout(); // re-generate displayText
}
//---------------------------------------------------------
//
// MusicXML I/O
//
//---------------------------------------------------------
//---------------------------------------------------------
// Convert MusicXML prefix/suffix to Modifier
//---------------------------------------------------------
FiguredBassItem::Modifier FiguredBassItem::MusicXML2Modifier(const QString prefix) const
{
if (prefix == "sharp")
return Modifier::SHARP;
else if (prefix == "flat")
return Modifier::FLAT;
else if (prefix == "natural")
return Modifier::NATURAL;
else if (prefix == "double-sharp")
return Modifier::DOUBLESHARP;
else if (prefix == "flat-flat")
return Modifier::DOUBLEFLAT;
else if (prefix == "sharp-sharp")
return Modifier::DOUBLESHARP;
else if (prefix == "cross")
return Modifier::CROSS;
else if (prefix == "backslash")
return Modifier::BACKSLASH;
else if (prefix == "slash")
return Modifier::SLASH;
else
return Modifier::NONE;
}
//---------------------------------------------------------
// Convert Modifier to MusicXML prefix/suffix
//---------------------------------------------------------
QString FiguredBassItem::Modifier2MusicXML(FiguredBassItem::Modifier prefix) const
{
switch (prefix) {
case Modifier::NONE: return "";
case Modifier::DOUBLEFLAT: return "flat-flat";
case Modifier::FLAT: return "flat";
case Modifier::NATURAL: return "natural";
case Modifier::SHARP: return "sharp";
case Modifier::DOUBLESHARP: return "double-sharp";
case Modifier::CROSS: return "cross";
case Modifier::BACKSLASH: return "backslash";
case Modifier::SLASH: return "slash";
case Modifier::NUMOF: return ""; // prevent gcc "‘FBINumOfAccid’ not handled in switch" warning
}
return "";
}
//---------------------------------------------------------
// Read MusicXML
//
// Set the FiguredBassItem state based on the MusicXML <figure> node de.
// In MusicXML, parentheses is set to "yes" or "no" for the figured-bass
// node instead of for each individual <figure> node.
//---------------------------------------------------------
#if 0
void FiguredBassItem::readMusicXML(XmlReader& e, bool paren)
{
// read the <figure> node de
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "figure-number") {
// MusicXML spec states figure-number is a number
// MuseScore can only handle single digit
int iVal = e.readInt();
if (1 <= iVal && iVal <= 9)
_digit = iVal;
}
else if (tag == "prefix")
_prefix = MusicXML2Modifier(e.readElementText());
else if (tag == "suffix")
_suffix = MusicXML2Modifier(e.readElementText());
else
e.unknown();
}
// set parentheses
if (paren) {
// parenthesis open
if (_prefix != Modifier::NONE)
parenth[0] = Parenthesis::ROUNDOPEN; // before prefix
else if (_digit != FBIDigitNone)
parenth[1] = Parenthesis::ROUNDOPEN; // before digit
else if (_suffix != Modifier::NONE)
parenth[2] = Parenthesis::ROUNDOPEN; // before suffix
// parenthesis close
if (_suffix != Modifier::NONE)
parenth[3] = Parenthesis::ROUNDCLOSED; // after suffix
else if (_digit != FBIDigitNone)
parenth[2] = Parenthesis::ROUNDCLOSED; // after digit
else if (_prefix != Modifier::NONE)
parenth[1] = Parenthesis::ROUNDCLOSED; // after prefix
}
}
#endif
//---------------------------------------------------------
// Write MusicXML
//
// Writes the portion within the <figure> tag.
//
// NOTE: Both MuseScore and MusicXML provide two ways of altering the (temporal) length of a
// figured bass object: extension lines and duration. The convention is that an EXTENSION is
// used if the figure lasts LONGER than the note (i.e., it "extends" to the following notes),
// whereas DURATION is used if the figure lasts SHORTER than the note (e.g., when notating a
// figure change under a note). However, MuseScore does not restrict durations in this way,
// allowing them to act as extensions themselves. As a result, a few more branches are
// required in the decision tree to handle everything correctly.
//---------------------------------------------------------
void FiguredBassItem::writeMusicXML(XmlWriter& xml, bool isOriginalFigure, int crEndTick, int fbEndTick) const
{
xml.stag("figure");
// The first figure of each group is the "original" figure. Practically, it is one inserted manually
// by the user, rather than automatically by the "duration" extend method.
if (isOriginalFigure) {
QString strPrefix = Modifier2MusicXML(_prefix);
if (strPrefix != "")
xml.tag("prefix", strPrefix);
if (_digit != FBIDigitNone)
xml.tag("figure-number", _digit);
QString strSuffix = Modifier2MusicXML(_suffix);
if (strSuffix != "")
xml.tag("suffix", strSuffix);
// Check if the figure ends before or at the same time as the current note. Otherwise, the figure
// extends to the next note, and so carries an extension type "start" by definition.
if (fbEndTick <= crEndTick) {
if (_contLine == ContLine::SIMPLE)
xml.tagE("extend type=\"stop\" ");
else if (_contLine == ContLine::EXTENDED) {
bool hasFigure = (strPrefix != "" || _digit != FBIDigitNone || strSuffix != "");
if (hasFigure)
xml.tagE("extend type=\"start\" ");
else
xml.tagE("extend type=\"continue\" ");
}
}
else
xml.tagE("extend type=\"start\" ");
}
// If the figure is not "original", it must have been created using the "duration" feature of figured bass.
// In other words, the original figure belongs to a previous note rather than the current note.
else {
if (crEndTick < fbEndTick)
xml.tagE("extend type=\"continue\" ");
else
xml.tagE("extend type=\"stop\" ");
}
xml.etag();
}
//---------------------------------------------------------
// startsWithParenthesis
//---------------------------------------------------------
bool FiguredBassItem::startsWithParenthesis() const
{
if (_prefix != Modifier::NONE)
return (parenth[0] != Parenthesis::NONE);
if (_digit != FBIDigitNone)
return (parenth[1] != Parenthesis::NONE);
if (_suffix != Modifier::NONE)
return (parenth[2] != Parenthesis::NONE);
return false;
}
//---------------------------------------------------------
// F I G U R E D B A S S
//---------------------------------------------------------
FiguredBass::FiguredBass(Score* s)
: TextBase(s, ElementFlag::MOVABLE | ElementFlag::ON_STAFF)
{
initElementStyle(&figuredBassStyle);
// figured bass inherits from TextBase for layout purposes
// but there is no specific text style to use as a basis for styled properties
// (this is true for historical reasons due to the special layout of figured bass)
// override the styled property definitions
for (const StyledProperty& p : *textStyle(tid()))
setPropertyFlags(p.pid, PropertyFlags::NOSTYLE);
for (const StyledProperty& p : figuredBassTextStyle) {
setPropertyFlags(p.pid, PropertyFlags::STYLED);
setProperty(p.pid, styleValue(p.pid, p.sid));
}
setOnNote(true);
#if 0 // TODO
TextStyle st(
g_FBFonts[0].family,
score()->styleD(Sid::figuredBassFontSize),
false,
false,
false,
Align::LEFT | Align::TOP,
QPointF(0, score()->styleD(Sid::figuredBassYOffset)),