diff options
Diffstat (limited to 'src/wx/audio_plot.cc')
| -rw-r--r-- | src/wx/audio_plot.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/wx/audio_plot.cc b/src/wx/audio_plot.cc index fb02fea7b..e2e2cdf76 100644 --- a/src/wx/audio_plot.cc +++ b/src/wx/audio_plot.cc @@ -1,5 +1,3 @@ -/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */ - /* Copyright (C) 2013 Carl Hetherington <cth@carlh.net> @@ -193,6 +191,10 @@ AudioPlot::y_for_linear (float p) const void AudioPlot::plot_peak (wxGraphicsPath& path, int channel) const { + if (_analysis->points (channel) == 0) { + return; + } + path.MoveToPoint (_db_label_width, y_for_linear (_analysis->get_point(channel, 0)[AudioPoint::PEAK])); float peak = 0; @@ -213,6 +215,10 @@ AudioPlot::plot_peak (wxGraphicsPath& path, int channel) const void AudioPlot::plot_rms (wxGraphicsPath& path, int channel) const { + if (_analysis->points (channel) == 0) { + return; + } + path.MoveToPoint (_db_label_width, y_for_linear (_analysis->get_point(channel, 0)[AudioPoint::RMS])); list<float> smoothing; |