Merge master.

[dcpomatic.git] / src / wx / audio_plot.cc

diff --git a/src/wx/audio_plot.cc b/src/wx/audio_plot.cc
index 2a6210164e3a23f66076fc7f1fe063d8ffda7c00..e2e2cdf764026eddc9a8f73b3728698aaf051bb2 100644 (file)
--- a/src/wx/audio_plot.cc
+++ b/src/wx/audio_plot.cc
@@ -37,11 +37,13 @@ int const AudioPlot::_minimum = -70;
 int const AudioPlot::max_smoothing = 128;
 
 AudioPlot::AudioPlot (wxWindow* parent)
-       : wxPanel (parent)
+       : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
        , _gain (0)
        , _smoothing (max_smoothing / 2)
 {
+#ifndef __WXOSX__      
        SetDoubleBuffered (true);
+#endif 
 
        for (int i = 0; i < MAX_AUDIO_CHANNELS; ++i) {
                _channel_visible[i] = false;
@@ -189,6 +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;
@@ -209,6 +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;