TrackArt.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  @file TrackArt.h
 
  Paul Licameli split from TrackArtist.h
 
**********************************************************************/
#ifndef __AUDACITY_TRACK_ART__
#define __AUDACITY_TRACK_ART__
 
class Channel;
class Track;
struct TrackPanelDrawingContext;
class wxBrush;
class wxDC;
class wxRect;
class wxString;
#include <wx/types.h>
 
namespace TrackArt {
 
   static constexpr int ClipFrameRadius{ 6 };
 
   //Draws clip affordance and title string, if not empty.
   //Returns affordance's rectangle.
   AUDACITY_DLL_API
   wxRect DrawClipAffordance(
      wxDC& dc, const wxRect& clipRect, bool highlight = false,
      bool selected = false);
 
   AUDACITY_DLL_API
   bool
   DrawClipTitle(wxDC& dc, const wxRect& affordanceRect, const wxString& title);
 
   AUDACITY_DLL_API
   void DrawClipEdges(wxDC& dc, const wxRect& clipRect, bool selected = false);
 
   //Used to draw clip boundaries without contents/details when it's not
   //sensible to show them
   AUDACITY_DLL_API
   void DrawClipFolded(wxDC& dc, const wxRect& rect);
 
   // Helper: draws the "sync-locked" watermark tiled to a rectangle
   AUDACITY_DLL_API
   void DrawSyncLockTiles(
      TrackPanelDrawingContext &context, const wxRect &rect );
 
   // Helper: draws background with selection rect
   AUDACITY_DLL_API
   void DrawBackgroundWithSelection(TrackPanelDrawingContext &context,
         const wxRect &rect, const Channel &channel,
         const wxBrush &selBrush, const wxBrush &unselBrush,
         bool useSelection = true);
 
   AUDACITY_DLL_API
   void DrawCursor(TrackPanelDrawingContext& context,
        const wxRect& rect, const Track* track);
 
   AUDACITY_DLL_API
   void DrawNegativeOffsetTrackArrows( TrackPanelDrawingContext &context,
                                       const wxRect & rect );
 
   AUDACITY_DLL_API
   wxString TruncateText(wxDC& dc, const wxString& text, const int maxWidth);
 
   AUDACITY_DLL_API
   void DrawSnapLines(wxDC *dc, wxInt64 snap0, wxInt64 snap1);
}
 
extern AUDACITY_DLL_API int GetWaveYPos(float value, float min, float max,
                       int height, bool dB, bool outer, float dBr,
                       bool clip);
extern float FromDB(float value, double dBRange);
extern AUDACITY_DLL_API float ValueOfPixel(int yy, int height, bool offset,
                          bool dB, double dBRange, float zoomMin, float zoomMax);
 
#endif