a-fluidsynth: implement LV2_BANKPATCH__notify

[ardour.git] / gtk2_ardour / tempo_lines.cc

diff --git a/gtk2_ardour/tempo_lines.cc b/gtk2_ardour/tempo_lines.cc
index ff7b8ad529b17754816cbbe865eb3440fd6fddf6..8d1d183d3a8a6be6d9b2d33052da97b0e76f360d 100644 (file)
--- a/gtk2_ardour/tempo_lines.cc
+++ b/gtk2_ardour/tempo_lines.cc
@@ -36,10 +36,17 @@ TempoLines::TempoLines (ArdourCanvas::Container* group, double, ARDOUR::BeatsFra
        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
@@ -73,7 +80,7 @@ TempoLines::draw_ticks (std::vector<ARDOUR::TempoMap::BBTPoint>& grid,
                /* 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 = _bfc->to (Evoral::Beats (grid.begin()->qn + (l / (double) divisions)));
+               const framepos_t f = _bfc->to (Evoral::Beats (grid.begin()->qn + (l / (double) divisions))) + _bfc->origin_b();
 
                if (f > leftmost_frame) {
                        lines.add (PublicEditor::instance().sample_to_pixel_unrounded (f), 1.0, c);