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Re-start the pipeline when dynamic range is changed, closes #4

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This commit is contained in:
Alexander Kojevnikov 2012-09-19 09:12:15 -07:00
parent 1e5e936824
commit e076119314
1 changed files with 13 additions and 3 deletions
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16
src/spek-spectrogram.cc
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@ -99,6 +99,7 @@ void SpekSpectrogram::open(const wxString& path)
{
this->path = path;
start();
Refresh();
}
void SpekSpectrogram::save(const wxString& path)
@ -119,10 +120,17 @@ void SpekSpectrogram::on_char(wxKeyEvent& evt)
bool up = evt.GetKeyCode() == WXK_UP;
if (C && up) {
this->lrange = MIN(this->lrange + 1, this->urange - 1);
} else if (C && dn) {
this->lrange = MAX(this->lrange - 1, MIN_RANGE);
} else if (CS && up) {
this->urange = MIN(this->urange + 1, MAX_RANGE);
} else if (CS && dn) {
this->urange = MAX(this->urange - 1, this->lrange + 1);
}
start();
Refresh();
}
void SpekSpectrogram::on_idle(wxIdleEvent& evt)
@ -143,7 +151,7 @@ void SpekSpectrogram::on_size(wxSizeEvent& evt)
bool width_changed = this->prev_width != size.GetWidth();
this->prev_width = size.GetWidth();
if (!this->path.IsEmpty() && width_changed) {
if (width_changed) {
start();
}
}
@ -347,6 +355,10 @@ static void pipeline_cb(int sample, float *values, void *cb_data)
void SpekSpectrogram::start()
{
if (this->path.IsEmpty()) {
return;
}
this->stop();
// The number of samples is the number of pixels available for the image.
@ -371,8 +383,6 @@ void SpekSpectrogram::start()
} else {
this->image.Create(1, 1);
}
Refresh();
}
void SpekSpectrogram::stop()