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https://github.com/cookiengineer/audacity
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Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches
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src/TrackArtist.h
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238
src/TrackArtist.h
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/**********************************************************************
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Audacity: A Digital Audio Editor
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TrackArtist.h
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Dominic Mazzoni
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This singleton class handles the actual rendering of WaveTracks
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(both waveforms and spectra), NoteTracks, and LabelTracks.
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It's actually a little harder than it looks, because for
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waveforms at least it needs to cache the samples that are
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currently on-screen.
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**********************************************************************/
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#ifndef __AUDACITY_TRACKARTIST__
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#define __AUDACITY_TRACKARTIST__
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#include <wx/brush.h>
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#include <wx/pen.h>
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#include "Experimental.h"
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#include "Sequence.h"
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class wxDC;
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class wxRect;
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class wxHashTable;
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class Track;
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class WaveTrack;
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class WaveClip;
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class NoteTrack;
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class LabelTrack;
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class TimeTrack;
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class TrackList;
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class Ruler;
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struct ViewInfo;
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#ifndef uchar
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typedef unsigned char uchar;
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#endif
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class AUDACITY_DLL_API TrackArtist {
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public:
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TrackArtist();
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~TrackArtist();
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void SetColours();
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void DrawTracks(TrackList *tracks, Track *start,
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wxDC & dc, wxRegion & reg,
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wxRect & r, wxRect & clip, ViewInfo *viewInfo,
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bool drawEnvelope, bool drawSamples, bool drawSliders);
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void DrawTrack(const Track *t,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo,
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bool drawEnvelope, bool drawSamples, bool drawSliders,
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bool hasSolo);
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void DrawVRuler(Track *t, wxDC *dc, wxRect & r);
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void UpdateVRuler(Track *t, wxRect & r);
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void SetInset(int left, int top, int right, int bottom);
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void UpdatePrefs();
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void InvalidateSpectrumCache(TrackList *tracks);
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void InvalidateSpectrumCache(WaveTrack *track);
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int GetSpectrumMinFreq(int deffreq);
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int GetSpectrumMaxFreq(int deffreq);
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int GetSpectrumLogMinFreq(int deffreq);
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int GetSpectrumLogMaxFreq(int deffreq);
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int GetSpectrumWindowSize();
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#ifdef EXPERIMENTAL_FFT_SKIP_POINTS
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int GetSpectrumFftSkipPoints();
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#endif
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void SetSpectrumMinFreq(int freq);
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void SetSpectrumMaxFreq(int freq);
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void SetSpectrumLogMinFreq(int freq);
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void SetSpectrumLogMaxFreq(int freq);
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void SetBackgroundBrushes(wxBrush unselectedBrush, wxBrush selectedBrush,
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wxPen unselectedPen, wxPen selectedPen) {
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this->unselectedBrush = unselectedBrush;
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this->selectedBrush = selectedBrush;
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this->unselectedPen = unselectedPen;
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this->selectedPen = selectedPen;
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}
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private:
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//
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// Lower-level drawing functions
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//
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void DrawWaveform(WaveTrack *track,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo,
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bool drawEnvelope, bool drawSamples, bool drawSliders,
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bool dB, bool muted);
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void DrawSpectrum(WaveTrack *track,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo,
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bool autocorrelation, bool logF);
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#ifdef USE_MIDI
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void DrawNoteTrack(NoteTrack *track,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo);
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#endif // USE_MIDI
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void DrawLabelTrack(LabelTrack *track,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo);
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void DrawTimeTrack(TimeTrack *track,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo);
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void DrawTimeSlider(WaveTrack *track,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo,
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bool rightwards);
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void DrawClipWaveform(WaveTrack *track, WaveClip *clip,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo,
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bool drawEnvelope, bool drawSamples, bool drawSliders,
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bool dB, bool muted);
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void DrawClipSpectrum(WaveTrack *track, WaveClip *clip,
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wxDC & dc, const wxRect & r, const ViewInfo *viewInfo,
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bool autocorrelation, bool logF);
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// Waveform utility functions
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void DrawWaveformBackground(wxDC & dc, const wxRect &r, const double env[],
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float zoomMin, float zoomMax, bool dB,
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const sampleCount where[],
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sampleCount ssel0, sampleCount ssel1,
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bool drawEnvelope);
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void DrawMinMaxRMS(wxDC & dc, const wxRect & r, const double env[],
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float zoomMin, float zoomMax, bool dB,
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const float min[], const float max[], const float rms[],
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const int bl[], bool showProgress, bool muted);
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void DrawIndividualSamples(wxDC & dc, const wxRect & r,
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float zoomMin, float zoomMax, bool dB,
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WaveClip *clip,
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double t0, double pps, double h,
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bool drawSamples, bool showPoints, bool muted);
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void DrawNegativeOffsetTrackArrows(wxDC & dc, const wxRect & r);
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void DrawEnvelope(wxDC & dc, const wxRect & r, const double env[],
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float zoomMin, float zoomMax, bool dB);
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void DrawEnvLine(wxDC & dc, const wxRect & r, int x, int y, int cy, bool top);
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// Preference values
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float mdBrange; // "/GUI/EnvdBRange"
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long mShowClipping; // "/GUI/ShowClipping"
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int mLogMaxFreq; // "/SpectrumLog/MaxFreq"
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int mLogMinFreq; // "/SpectrumLog/MinFreq"
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int mMaxFreq; // "/Spectrum/MaxFreq"
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int mMinFreq; // "/Spectrum/MinFreq"
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int mWindowSize; // "/Spectrum/FFTSize"
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bool mIsGrayscale; // "/Spectrum/Grayscale"
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#ifdef EXPERIMENTAL_FFT_SKIP_POINTS
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int mFftSkipPoints; // "/Spectrum/FFTSkipPoints"
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#endif //EXPERIMENTAL_FFT_SKIP_POINTS
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#ifdef EXPERIMENTAL_FFT_Y_GRID
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bool mFftYGrid; // "/Spectrum/FFTYGrid"
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#endif //EXPERIMENTAL_FFT_Y_GRID
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#ifdef EXPERIMENTAL_FIND_NOTES
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bool mFftFindNotes; // "/Spectrum/FFTFindNotes"
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float mFindNotesMinA; // "/Spectrum/FindNotesMinA"
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int mNumberOfMaxima; // "/Spectrum/FindNotesN"
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bool mFindNotesQuantize; // "/Spectrum/FindNotesQuantize")
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#endif //EXPERIMENTAL_FIND_NOTES
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int mInsetLeft;
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int mInsetTop;
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int mInsetRight;
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int mInsetBottom;
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wxBrush blankBrush;
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wxBrush unselectedBrush;
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wxBrush selectedBrush;
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wxBrush sampleBrush;
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wxBrush selsampleBrush;
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wxBrush dragsampleBrush;// for samples which are draggable.
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wxBrush muteSampleBrush;
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wxPen blankPen;
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wxPen unselectedPen;
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wxPen selectedPen;
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wxPen samplePen;
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wxPen rmsPen;
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wxPen muteRmsPen;
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wxPen selsamplePen;
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wxPen muteSamplePen;
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wxPen odProgressNotYetPen;
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wxPen odProgressDonePen;
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wxPen shadowPen;
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wxPen clippedPen;
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wxPen muteClippedPen;
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Ruler *vruler;
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#ifdef EXPERIMENTAL_FFT_Y_GRID
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bool fftYGridOld;
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#endif //EXPERIMENTAL_FFT_Y_GRID
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#ifdef EXPERIMENTAL_FIND_NOTES
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bool fftFindNotesOld;
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int findNotesMinAOld;
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int findNotesNOld;
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bool findNotesQuantizeOld;
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#endif
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};
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extern int GetWaveYPos(float value, float min, float max,
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int height, bool dB, bool outer, float dBr,
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bool clip);
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#endif // define __AUDACITY_TRACKARTIST__
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// Indentation settings for Vim and Emacs and unique identifier for Arch, a
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// version control system. Please do not modify past this point.
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//
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// Local Variables:
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// c-basic-offset: 3
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// indent-tabs-mode: nil
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// End:
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//
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// vim: et sts=3 sw=3
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// arch-tag: cb734132-2712-4d57-9644-778dae6d3c50
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