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/**********************************************************************
Audacity: A Digital Audio Editor
TrackArtist.h
Dominic Mazzoni
This singleton class handles the actual rendering of WaveTracks
(both waveforms and spectra), NoteTracks, and LabelTracks.
It's actually a little harder than it looks, because for
waveforms at least it needs to cache the samples that are
currently on-screen.
**********************************************************************/
#ifndef __AUDACITY_TRACKARTIST__
#define __AUDACITY_TRACKARTIST__
class VTrack;
class WaveTrack;
class NoteTrack;
class LabelTrack;
struct TrackInfoCache;
#include "TrackPanel.h"
class TrackArtist {
public:
TrackArtist();
~TrackArtist();
void DrawTracks(TrackList * tracks,
wxDC & dc, wxRect & r,
wxRect & clip, ViewInfo * viewInfo, bool drawEnvelope);
void DrawVRuler(VTrack * t, wxDC * dc, wxRect & r);
void SetInset(int left, int top, int right, int bottom);
private:
wxHashTable * mTrackHash;
int mInsetLeft;
int mInsetTop;
int mInsetRight;
int mInsetBottom;
wxBrush blankBrush;
wxBrush unselectedBrush;
wxBrush selectedBrush;
wxBrush sampleBrush;
wxBrush selsampleBrush;
wxPen blankPen;
wxPen unselectedPen;
wxPen selectedPen;
wxPen samplePen;
wxPen selsamplePen;
wxPen shadowPen;
void PrepareCacheWaveform(TrackInfoCache * cache,
double start, double pps, int screenWidth);
int GetWaveYPos(float value, int height, bool dB);
void DrawWaveform(TrackInfoCache * cache,
wxDC & dc, wxRect & r,
ViewInfo * viewInfo, bool drawEnvelope, bool dB);
void PrepareCacheSpectrum(TrackInfoCache * cache,
double start, double pps,
int screenWidth, int screenHeight,
bool autocorrelation);
void DrawSpectrum(TrackInfoCache * cache,
wxDC & dc, wxRect & r,
ViewInfo * viewInfo, bool autocorrelation);
void DrawNoteTrack(TrackInfoCache * cache,
wxDC & dc, wxRect & r, ViewInfo * viewInfo);
void DrawLabelTrack(TrackInfoCache * cache,
wxDC & dc, wxRect & r, ViewInfo * viewInfo);
};
#endif // define __AUDACITY_TRACKARTIST__
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