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simplify and comment getGraceSegment

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This commit is contained in:
lasconic 2012-09-30 15:46:17 +02:00
parent 664599032b
commit c47cad0235
1 changed files with 11 additions and 20 deletions
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17
libmscore/measure.cpp
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@ -784,7 +784,7 @@ Segment* Measure::getGraceSegment(int t, int gl)
{
Segment* s = 0;
// find the first segment at tick >= t
// find the first segment at tick == t and create it if necessary
for (Segment* ss = first(Segment::SegChordRest); ss && ss->tick() <= t; ss = ss->next(Segment::SegChordRest)) {
if(ss->tick() == t) {
s = ss;
@ -796,23 +796,14 @@ Segment* Measure::getGraceSegment(int t, int gl)
add(s);
}
// find the first SegChordRest segment at tick = t
// while counting the SegGrace segments
int nGraces = 0;
Segment* sCr = 0;
for (Segment* ss = s; ss && ss->tick() == t; ss = ss->next()) {
if (ss->subtype() == Segment::SegChordRest) {
sCr = ss;
break;
}
}
Segment* sCr = s;
// count SegGrace segments
for (Segment* ss = sCr; ss && ss->tick() == t; ss = ss->prev()) {
if ((ss->subtype() == Segment::SegGrace) && (ss->tick() == t))
nGraces++;
}
//create grace segment if necessary
for (; nGraces < gl; ++nGraces) {
Segment* ps = new Segment(this, Segment::SegGrace, t);
_segments.insert(ps, s);