Examples with ChordSpacings com.xenoage.zong.musiclayout.settings.ChordSpacings used on opensource projects

Example 1 with ChordSpacings

use of com.xenoage.zong.musiclayout.settings.ChordSpacings in project Zong by Xenoage.

the class ChordNotator method compute.

public ChordNotation compute(Chord chord, Context context, @MaybeNull Notations notations) {
    Score score = context.score;
    float interlineSpace = score.getInterlineSpace(context.mp);
    FontInfo lyricsFont = score.getFormat().getLyricFont();
    MusicContext mc = score.getMusicContext(context.mp, BeforeOrAt, Before);
    // grace or normal chord?
    boolean grace = chord.isGrace();
    ChordWidths chordWidths = (grace ? context.settings.graceChordWidths : context.settings.chordWidths);
    ChordSpacings spacings = (grace ? context.settings.spacings.graceChordSpacings : context.settings.spacings.normalChordSpacings);
    // use or compute stem direction
    StemDirection stemDirection = chord.getStem().getDirection();
    if (stemDirection == StemDirection.Default) {
        // if stem direction was not computed yet, compute it now
        if (notations != null)
            stemDirection = notations.getChord(chord).stemDirection;
        if (stemDirection == StemDirection.Default) {
            Map<Chord, StemDirection> computedStems = stemDirector.compute(chord);
            stemDirection = computedStems.get(chord);
            // also remember the other computed stems
            if (notations != null)
                for (Chord computedChord : computedStems.keySet()) notations.getChord(computedChord).stemDirection = computedStems.get(computedChord);
        }
    }
    // notes displacement
    NotesNotation notes = notesNotator.compute(chord, stemDirection, chordWidths, mc);
    float leftSuspendedWidth = (notes.leftSuspended ? notes.noteheadWidthIs : 0);
    // accidentals
    AccidentalsNotation accs = accidentalsNotator.compute(chord, notes, chordWidths, mc);
    // symbol's width: width of the noteheads and dots
    float symbolWidth = notes.widthIs - leftSuspendedWidth;
    float frontGap = accs.widthIs + leftSuspendedWidth;
    // rear gap: empty duration-dependent space behind the chord minus the symbol's width
    float rearGap = spacings.getWidth(chord.getDisplayedDuration()) - symbolWidth;
    // lyric width
    float lyricWidth = 0;
    TextMeasurer textMeasurer = platformUtils().getTextMeasurer();
    for (Lyric lyric : chord.getLyrics()) {
        if (lyric != null && lyric.getText() != null) {
            // width of lyric in interline spaces
            FormattedText lyricText = styleText(lyric.getText(), new FormattedTextStyle(lyricsFont));
            float l = lyricText.getWidth() / interlineSpace;
            // for start and end syllable, request "-" more space, for middle syllables "--"
            // TODO: unsymmetric - start needs space on the right, end on the left, ...
            SyllableType lyricType = lyric.getSyllableType();
            if (lyricType == SyllableType.Begin || lyricType == SyllableType.End) {
                l += textMeasurer.measure(lyricsFont, "-").getWidth() / interlineSpace;
            } else if (lyricType == SyllableType.Middle) {
                l += textMeasurer.measure(lyricsFont, "--").getWidth() / interlineSpace;
            }
            // save width of the widest lyric
            lyricWidth = Math.max(lyricWidth, l);
        }
    }
    // compute length of the stem (if any)
    float scaling = grace ? context.settings.scalingGrace : 1;
    StemNotation stem = stemNotator.compute(chord.getStem(), notes.getLps(), stemDirection, context.mp.getStaff(), Companion.staffLines(mc.getLinesCount()), scaling);
    // compute articulations
    ArticulationsNotation arts = articulationsNotator.compute(chord, stemDirection, notes, mc.getLinesCount());
    return new ChordNotation(chord, chord.getMP(), new ElementWidth(frontGap, symbolWidth, rearGap, lyricWidth), context.mp.getStaff(), notes, stemDirection, stem, accs, arts);
}

Example 2 with ChordSpacings

use of com.xenoage.zong.musiclayout.settings.ChordSpacings in project Zong by Xenoage.

the class ChordSpacingsReader method readChordSpacings.

/**
 * Reads the {@link ChordSpacings} from the given {@link XmlReader} at a child element
 * of the "chords" element.
 */
public static ChordSpacings readChordSpacings(XmlReader r) throws IOException {
    HashMap<Fraction, Float> durationWidths = map();
    // load the duration-to-width mapping
    while (r.openNextChildElement()) {
        if (r.getElementName().equals("chord")) {
            // duration format: x/y, e.g. "1/4"
            Fraction duration = Fraction.Companion.fromString(r.getAttributeNotNull("duration"));
            // width format: x+y/z, eg. "3+1/2"
            float width = Fraction.Companion.fromString(r.getAttributeNotNull("width")).toFloat();
            durationWidths.put(duration, width);
        }
        r.closeElement();
    }
    return new ChordSpacings(durationWidths);
}

Example 3 with ChordSpacings

use of com.xenoage.zong.musiclayout.settings.ChordSpacings in project Zong by Xenoage.

the class SpacingsReader method readSpacings.

/**
 * Reads a {@link Spacings} from the given {@link XmlReader} at the "spacings" element.
 */
public static Spacings readSpacings(XmlReader r) throws IOException {
    ChordSpacings normalChordSpacings = null, graceChordSpacings = null;
    float widthSharp = 0, widthFlat = 0, widthClef = 0, widthMeasureEmpty = 0, widthDistanceMin = 0;
    while (r.openNextChildElement()) {
        String n = r.getElementName();
        switch(n) {
            case "chords":
                // chord spacings
                while (r.openNextChildElement()) {
                    String n2 = r.getElementName();
                    if (n2.equals("normal"))
                        normalChordSpacings = readChordSpacings(r);
                    else if (n2.equals("grace"))
                        graceChordSpacings = readChordSpacings(r);
                    r.closeElement();
                }
                break;
            case "clef":
                // clef
                widthClef = parseFloat(r.getAttributeNotNull("width"));
                break;
            case "key":
                // keys
                while (r.openNextChildElement()) {
                    String n2 = r.getElementName();
                    if (n2.equals("sharp"))
                        widthSharp = parseFloat(r.getAttributeNotNull("width"));
                    else if (n2.equals("flat"))
                        widthFlat = parseFloat(r.getAttributeNotNull("width"));
                    r.closeElement();
                }
                break;
            case "measure":
                // measure
                widthMeasureEmpty = parseFloat(r.getAttributeNotNull("empty"));
                break;
            case "distance":
                // distance
                widthDistanceMin = parseFloat(r.getAttributeNotNull("minimal"));
                break;
        }
        r.closeElement();
    }
    return new Spacings(normalChordSpacings, graceChordSpacings, widthSharp, widthFlat, widthClef, widthMeasureEmpty, widthDistanceMin);
}