225 lines
7.5 KiB
C++
225 lines
7.5 KiB
C++
/**********************************************************************
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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 "audacity/Types.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 WaveDisplay;
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class WaveTrack;
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class WaveTrackCache;
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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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class SelectedRegion;
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class ZoomInfo;
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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 & rect, wxRect & clip,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo,
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bool drawEnvelope, bool bigPoints, bool drawSliders);
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void DrawTrack(const Track *t,
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wxDC & dc, const wxRect & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo,
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bool drawEnvelope, bool bigPoints, bool drawSliders,
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bool hasSolo);
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void DrawVRuler(Track *t, wxDC *dc, wxRect & rect);
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void UpdateVRuler(Track *t, wxRect & rect);
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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 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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// Helper: draws the "sync-locked" watermark tiled to a rectangle
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static void DrawSyncLockTiles(wxDC *dc, wxRect rect);
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// Helper: draws background with selection rect
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static void DrawBackgroundWithSelection(wxDC *dc, const wxRect &rect,
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Track *track, wxBrush &selBrush, wxBrush &unselBrush,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo);
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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 & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo,
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bool drawEnvelope, bool bigPoints, bool drawSliders,
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bool muted);
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void DrawSpectrum(WaveTrack *track,
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wxDC & dc, const wxRect & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo);
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#ifdef USE_MIDI
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int GetBottom(NoteTrack *t, const wxRect &rect);
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void DrawNoteBackground(NoteTrack *track, wxDC &dc,
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const wxRect &rect, const wxRect &sel,
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const ZoomInfo &zoomInfo,
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const wxBrush &wb, const wxPen &wp,
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const wxBrush &bb, const wxPen &bp,
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const wxPen &mp);
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void DrawNoteTrack(NoteTrack *track,
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wxDC & dc, const wxRect & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo,
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bool muted);
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#endif // USE_MIDI
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void DrawLabelTrack(LabelTrack *track,
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wxDC & dc, const wxRect & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo);
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void DrawTimeTrack(TimeTrack *track,
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wxDC & dc, const wxRect & rect, const ZoomInfo &zoomInfo);
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void DrawTimeSlider(wxDC & dc, const wxRect & rect,
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bool rightwards);
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void DrawClipWaveform(WaveTrack *track, WaveClip *clip,
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wxDC & dc, const wxRect & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo,
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bool drawEnvelope, bool bigPoints,
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bool dB, bool muted);
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void DrawClipSpectrum(WaveTrackCache &cache, WaveClip *clip,
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wxDC & dc, const wxRect & rect,
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const SelectedRegion &selectedRegion, const ZoomInfo &zoomInfo);
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// Waveform utility functions
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void DrawWaveformBackground(wxDC & dc, int leftOffset, const wxRect &rect,
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const double env[],
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float zoomMin, float zoomMax,
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bool dB, float dBRange,
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double t0, double t1, const ZoomInfo &zoomInfo,
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bool drawEnvelope, bool bIsSyncLockSelected);
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void DrawMinMaxRMS(wxDC &dc, const wxRect & rect, const double env[],
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float zoomMin, float zoomMax,
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bool dB, float dBRange,
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const float *min, const float *max, const float *rms, const int *bl,
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bool /* showProgress */, bool muted
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#ifdef EXPERIMENTAL_OUTPUT_DISPLAY
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, const float gain
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#endif
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);
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void DrawIndividualSamples(wxDC & dc, int leftOffset, const wxRect & rect,
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float zoomMin, float zoomMax,
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bool dB, float dBRange,
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WaveClip *clip,
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const ZoomInfo &zoomInfo,
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bool bigPoints, bool showPoints, bool muted);
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void DrawNegativeOffsetTrackArrows(wxDC & dc, const wxRect & rect);
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void DrawEnvelope(wxDC & dc, const wxRect & rect, const double env[],
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float zoomMin, float zoomMax,
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bool dB, float dBRange);
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void DrawEnvLine(wxDC & dc, const wxRect & rect, int x0, int y0, 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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bool mbShowTrackNameInWaveform; // "/GUI/ShowTrackNameInWaveform"
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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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wxBrush blankSelectedBrush;
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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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wxPen blankSelectedPen;
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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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extern float FromDB(float value, double dBRange);
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extern float ValueOfPixel(int yy, int height, bool offset,
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bool dB, double dBRange, float zoomMin, float zoomMax);
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#endif // define __AUDACITY_TRACKARTIST__
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