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fix #31301: misaligned half notes

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Marc Sabatella 2014-08-28 23:03:18 -06:00
parent 244f40da44
commit 97192e05df
1 changed files with 15 additions and 2 deletions
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17
libmscore/layout.cpp
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@ -183,14 +183,23 @@ void Score::layoutChords1(Segment* segment, int staffIdx)
qreal centerDown = 0.0; // offset to apply in order to center downstem chords
qreal centerAdjustUp = 0.0; // adjustment to upstem chord needed after centering donwstem chord
qreal centerAdjustDown = 0.0; // adjustment to downstem chord needed after centering upstem chord
qreal centerThreshold = 0.1 * sp; // only center chords if they differ from nominal by this amount
// only center chords if they differ from nominal by at least this amount
// this avoids unnecessary centering on differences due only to floating point roundoff
// it also allows for the possibility of disabling centering
// for notes only "slightly" larger than nominal, like half notes
// but this will result in them not being aligned with each other between voices
// unless you change to left alignment as described in the comments below
qreal centerThreshold = 0.01 * sp;
headDiff = maxUpWidth - nominalWidth;
if (headDiff > centerThreshold) {
// larger than nominal
centerUp = headDiff * 0.5;
oversizeUp = headDiff;
// to left align rather than center, change the above to
//centerUp = headDiff;
maxUpWidth = nominalWidth + centerUp;
oversizeUp = headDiff;
}
else if (-headDiff > centerThreshold) {
// smaller than nominal
@ -199,10 +208,14 @@ void Score::layoutChords1(Segment* segment, int staffIdx)
}
headDiff = maxDownWidth - nominalWidth;
if (headDiff > centerThreshold) {
// larger than nominal
centerDown = headDiff * -0.5;
// to left align rather than center, change the above to
//centerAdjustUp = headDiff;
maxDownWidth = nominalWidth - centerDown;
}
else if (-headDiff > centerThreshold) {
// smaller than nominal
centerDown = headDiff * -0.5;
centerAdjustUp = centerDown;
}