a9a0d51454
Possibly fixes: Bug 206 - Time Tracks: Ruler warp goes in wrong direction Bug 205 - Time Tracks that slow down the audio result in truncated exports
105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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TimeTrack.h
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Dr William Bland
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**********************************************************************/
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#ifndef __AUDACITY_TIMETRACK__
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#define __AUDACITY_TIMETRACK__
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#include "Track.h"
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#include <wx/brush.h>
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#include <wx/pen.h>
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class wxRect;
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class wxDC;
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class Envelope;
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class Ruler;
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class TimeTrack: public Track {
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public:
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TimeTrack(DirManager * projDirManager);
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TimeTrack(TimeTrack &orig);
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virtual ~TimeTrack();
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// Identifying the type of track
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virtual int GetKind() const { return Time; }
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// TimeTrack parameters
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virtual double GetOffset() { return 0.0; };
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virtual void SetOffset(double /* t */) {};
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virtual double GetStartTime() { return 0.0; };
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virtual double GetEndTime() { return 0.0; };
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void Draw(wxDC & dc, const wxRect & r, double h, double pps);
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// XMLTagHandler callback methods for loading and saving
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virtual bool HandleXMLTag(const wxChar *tag, const wxChar **attrs);
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virtual XMLTagHandler *HandleXMLChild(const wxChar *tag);
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virtual void WriteXML(XMLWriter &xmlFile);
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// Lock and unlock the track: you must lock the track before
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// doing a copy and paste between projects.
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bool Lock();
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bool Unlock();
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// Access the track's speed envelope
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Envelope *GetEnvelope() { return mEnvelope; }
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//Compute the integral warp factor between two non-warped time points
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double ComputeWarpFactor(double t0, double t1);
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// Get/Set the speed-warping range, as percentage of original speed (e.g. 90%-110%)
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long GetRangeLower() { return mRangeLower ? mRangeLower : 1; }
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long GetRangeUpper() { return mRangeUpper ? mRangeUpper : 1; }
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void SetRangeLower(long lower) { mRangeLower = lower; }
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void SetRangeUpper(long upper) { mRangeUpper = upper; }
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double warp( double t );
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void testMe();
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private:
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Envelope *mEnvelope;
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Ruler *mRuler;
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long mRangeLower;
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long mRangeUpper;
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void Init(const TimeTrack &orig);
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virtual Track *Duplicate();
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friend class TrackFactory;
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wxBrush blankBrush;
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wxPen blankPen;
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};
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#endif // __AUDACITY_TIMETRACK__
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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: 58e4cd09-07ee-47d0-bcb9-a37ddcac8483
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