1 files changed, 64 insertions, 0 deletions
diff --git a/src/wx/audio_plot.h b/src/wx/audio_plot.h
new file mode 100644
index 000000000..094f8e1b0
--- /dev/null
+++ b/src/wx/audio_plot.h
@@ -0,0 +1,64 @@
+/*
+    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <vector>
+#include <boost/shared_ptr.hpp>
+#include <wx/wx.h>
+#include "lib/util.h"
+#include "lib/audio_analysis.h"
+
+class AudioPlot : public wxPanel
+{
+public:
+	AudioPlot (wxWindow *);
+
+	void set_analysis (boost::shared_ptr<AudioAnalysis>);
+	void set_channel_visible (int c, bool v);
+	void set_type_visible (int t, bool v);
+	void set_gain (float);
+	void set_smoothing (int);
+	void set_message (wxString);
+
+	static const int max_smoothing;
+
+private:
+	void paint ();
+
+	boost::shared_ptr<AudioAnalysis> _analysis;
+	bool _channel_visible[MAX_AUDIO_CHANNELS];
+	bool _type_visible[AudioPoint::COUNT];
+	/** gain to apply in dB */
+	float _gain;
+	int _smoothing;
+	std::vector<wxColour> _colours;
+
+	void plot_peak (wxGraphicsPath &, int) const;
+	void plot_rms (wxGraphicsPath &, int) const;
+	float y_for_linear (float) const;
+
+	double _db_label_width;
+	int _height;
+	int _y_origin;
+	float _x_scale;
+	float _y_scale;
+
+	wxString _message;
+
+	static const int _minimum;
+};