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Improve tempomap rendering.

pull/3/head
Jonathan Moore Liles 2008-05-14 13:43:12 -05:00
parent 4f52567504
commit 1cd36adce8
1 changed files with 5 additions and 4 deletions
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9
Timeline/Timeline.C
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@ -399,6 +399,7 @@ Timeline::render_tempomap( nframes_t start, nframes_t length, measure_line_callb
sig.beat_type = 4;
nframes_t f = 0;
nframes_t next = 0;
nframes_t frames_per_beat = samples_per_minute / bpm;
@ -420,17 +421,18 @@ Timeline::render_tempomap( nframes_t start, nframes_t length, measure_line_callb
sig = p->time();
}
nframes_t next;
{
list <Sequence_Widget *>::iterator n = i;
++n;
if ( n == tempo_map.end() )
next = end;
else
next = min( (*n)->start(), end );
// next = min( (*n)->start(), end );
/* points may not always be aligned with beat boundaries, so we must align here */
next = (*n)->start() - ( ( (*n)->start() - (*i)->start() ) % frames_per_beat );
}
for ( ; f < next; f += frames_per_beat )
{
if ( ++bbt.beat == sig.beats_per_bar )
@ -471,7 +473,6 @@ done:
/* FIXME: this this right? */
const nframes_t frames_per_tick = frames_per_beat / ticks_per_beat;
bbt.tick = ticks_per_beat - ( ( ( f - end ) / frames_per_tick ) % (nframes_t)ticks_per_beat );
return pos;