using namespace std;
-TempoLines::TempoLines (ArdourCanvas::Container* group, double)
+TempoLines::TempoLines (ArdourCanvas::Container* group, double, ARDOUR::BeatsFramesConverter* bfc)
: lines (group, ArdourCanvas::LineSet::Vertical)
+ , _bfc (bfc)
{
lines.set_extent (ArdourCanvas::COORD_MAX);
}
+TempoLines::~TempoLines ()
+{
+ delete _bfc;
+ _bfc = 0;
+}
+
void
-TempoLines::tempo_map_changed()
+TempoLines::tempo_map_changed (framepos_t new_origin)
{
lines.clear ();
+ _bfc->set_origin_b (new_origin);
}
void
/* 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);
- framepos_t f = 0;
-
- if (grid.begin()->c != 0.0) {
- const double beat_divisions = (l / ((double) divisions)) * (grid.begin()->tempo.note_type() / grid.begin()->meter.note_divisor());
- const double time_at_division = log (((grid.begin()->c * (beat_divisions)) /
- grid.begin()->tempo.note_types_per_minute()) + 1) / grid.begin()->c;
+ const framepos_t f = _bfc->to (Evoral::Beats (grid.begin()->qn + (l / (double) divisions))) + _bfc->origin_b();
- f = grid.begin()->frame + (framecnt_t) floor ((time_at_division * 60.0 * frame_rate) + 0.5);
- } else {
- const double fpb = grid.begin()->tempo.frames_per_note_type (frame_rate)
- * (grid.begin()->tempo.note_type() / grid.begin()->meter.note_divisor());
-
- f = grid.begin()->frame + (l * (fpb / (double) divisions));
- }
if (f > leftmost_frame) {
lines.add (PublicEditor::instance().sample_to_pixel_unrounded (f), 1.0, c);
}