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audio clip editor: draw waveforms (not sized horizonally appropriately yet)

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This commit is contained in:
Paul Davis
2021-12-09 21:44:23 -07:00
parent fbfbdbe266
commit 5ada2b7ce1
1 changed files with 16 additions and 7 deletions
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23
gtk2_ardour/audio_clip_editor.cc
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@@ -64,7 +64,7 @@ AudioClipEditor::AudioClipEditor ()
frame = new Rectangle (root());
frame->name = "audio clip editor frame";
frame->set_fill_color (UIConfiguration::instance().color (X_("theme:contrasting")));
frame->set_fill (false);
frame->set_outline_color (UIConfiguration::instance().color (X_("theme:darkest")));
frame->Event.connect (sigc::mem_fun (*this, &AudioClipEditor::event_handler));
}
@@ -92,16 +92,15 @@ AudioClipEditor::set_region (boost::shared_ptr<AudioRegion> r)
uint32_t n_chans = r->n_channels ();
for (uint32_t n = 0; n < n_chans; ++n) {
WaveView* wv = new WaveView (this, r);
WaveView* wv = new WaveView (frame, r);
wv->set_channel (n);
waves.push_back (wv);
}
int h = get_allocation().get_height ();
std::cerr << "Now have " << waves.size() << " waves" << std::endl;
if (h) {
set_wave_heights (h);
}
set_wave_heights (frame->get().height() - 2.0);
set_waveform_colors ();
}
void
@@ -125,12 +124,15 @@ AudioClipEditor::set_wave_heights (int h)
uint32_t n = 0;
Distance ht = h / waves.size();
std::cerr << "wave heights: " << ht << std::endl;
for (auto & wave : waves) {
wave->set_height (ht);
wave->set_y_position (n * ht);
wave->set_samples_per_pixel (8192);
wave->set_samples_per_pixel (256);
wave->set_show_zero_line (false);
wave->set_clip_level (1.0);
++n;
}
}
@@ -191,11 +193,18 @@ AudioClipEditorBox::~AudioClipEditorBox ()
void
AudioClipEditorBox::set_region (boost::shared_ptr<Region> r)
{
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (r);
if (!ar) {
return;
}
set_session(&r->session());
state_connection.disconnect();
_region = r;
editor->set_region (ar);
PBD::PropertyChange interesting_stuff;
region_changed(interesting_stuff);