diff options
Diffstat (limited to 'gtk2_ardour/tempo_lines.cc')
| -rw-r--r-- | gtk2_ardour/tempo_lines.cc | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/gtk2_ardour/tempo_lines.cc b/gtk2_ardour/tempo_lines.cc index bb86011458..c320486108 100644 --- a/gtk2_ardour/tempo_lines.cc +++ b/gtk2_ardour/tempo_lines.cc @@ -54,12 +54,12 @@ TempoLines::hide () } void -TempoLines::draw_ticks (const ARDOUR::TempoMap::BBTPointList::const_iterator& b, - unsigned divisions, +TempoLines::draw_ticks (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, + unsigned divisions, framecnt_t leftmost_frame, framecnt_t frame_rate) { - const double fpb = b->tempo->frames_per_beat(frame_rate); + const double fpb = grid.begin()->tempo->frames_per_beat(frame_rate); const uint32_t base = UIConfiguration::instance().color_mod("measure line beat", "measure line beat"); for (unsigned l = 1; l < divisions; ++l) { @@ -74,7 +74,8 @@ TempoLines::draw_ticks (const ARDOUR::TempoMap::BBTPointList::const_iterator& b, /* draw line with alpha corresponding to coarsest level */ const uint8_t a = max(8, (int)rint(UINT_RGBA_A(base) / (0.8 * log2(level)))); const uint32_t c = UINT_RGBA_CHANGE_A(base, a); - const framepos_t f = b->frame + (l * (fpb / (double)divisions)); + const framepos_t f = grid.begin()->frame + (l * (fpb / (double)divisions)); + //const framepos_t f = frame_at_tick (last_beat_in_ticks + (l * (BBT_Time::ticks_per_beat / (double)divisions))); if (f > leftmost_frame) { lines.add (PublicEditor::instance().sample_to_pixel_unrounded (f), 1.0, c); } @@ -82,13 +83,12 @@ TempoLines::draw_ticks (const ARDOUR::TempoMap::BBTPointList::const_iterator& b, } void -TempoLines::draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, - const ARDOUR::TempoMap::BBTPointList::const_iterator& end, - unsigned divisions, +TempoLines::draw (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, + unsigned divisions, framecnt_t leftmost_frame, framecnt_t frame_rate) { - ARDOUR::TempoMap::BBTPointList::const_iterator i; + std::vector<ARDOUR::TempoMap::BBTPoint>::const_iterator i; double beat_density; uint32_t beats = 0; @@ -97,10 +97,10 @@ TempoLines::draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, /* get the first bar spacing */ - i = end; + i = grid.end(); i--; - bars = (*i).bar - (*begin).bar; - beats = distance (begin, end) - bars; + bars = (*i).bar - (*grid.begin()).bar; + beats = distance (grid.begin(), grid.end()) - bars; beat_density = (beats * 10.0f) / lines.canvas()->width(); @@ -116,15 +116,14 @@ TempoLines::draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, } lines.clear (); - - if (beat_density <= 0.12 && begin != end && begin->frame > 0) { - /* draw subdivisions of the beat before the first visible beat line */ - ARDOUR::TempoMap::BBTPointList::const_iterator prev = begin; - --prev; - draw_ticks(prev, divisions, leftmost_frame, frame_rate); + if (beat_density <= 0.12 && grid.begin() != grid.end() && grid.begin()->frame > 0) { + /* draw subdivisions of the beat before the first visible beat line XX this shouldn't happen now */ + std::vector<ARDOUR::TempoMap::BBTPoint> vec; + vec.push_back (*i); + draw_ticks (vec, divisions, leftmost_frame, frame_rate); } - for (i = begin; i != end; ++i) { + for (i = grid.begin(); i != grid.end(); ++i) { if ((*i).is_bar()) { color = UIConfiguration::instance().color ("measure line bar"); @@ -141,7 +140,10 @@ TempoLines::draw (const ARDOUR::TempoMap::BBTPointList::const_iterator& begin, if (beat_density <= 0.12) { /* draw subdivisions of this beat */ - draw_ticks(i, divisions, leftmost_frame, frame_rate); + std::vector<ARDOUR::TempoMap::BBTPoint> vec; + vec.push_back (*i); + + draw_ticks(vec, divisions, leftmost_frame, frame_rate); } } } |