QualityPrefs.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  QualityPrefs.cpp
 
  Joshua Haberman
  James Crook
 
 
*******************************************************************//*******************************************************************/
 
 
#include "QualityPrefs.h"
#include "QualitySettings.h"
 
#include <wx/choice.h>
#include <wx/defs.h>
#include <wx/textctrl.h>
 
#include "AudioIOBase.h"
#include "Dither.h"
#include "Prefs.h"
#include "Resample.h"
#include "ShuttleGui.h"
 
BEGIN_EVENT_TABLE(QualityPrefs, PrefsPanel)
END_EVENT_TABLE()
 
QualityPrefs::QualityPrefs(wxWindow * parent, wxWindowID winid)
/* i18n-hint: meaning accuracy in reproduction of sounds */
:  PrefsPanel(parent, winid, XO("Quality"))
{
   Populate();
}
 
QualityPrefs::~QualityPrefs()
{
}
 
ComponentInterfaceSymbol QualityPrefs::GetSymbol() const
{
   return QUALITY_PREFS_PLUGIN_SYMBOL;
}
 
TranslatableString QualityPrefs::GetDescription() const
{
   return XO("Preferences for Quality");
}
 
ManualPageID QualityPrefs::HelpPageName()
{
   return "Quality_Preferences";
}
 
void QualityPrefs::Populate()
{
   //------------------------- Main section --------------------
   // Now construct the GUI itself.
   // Use 'eIsCreatingFromPrefs' so that the GUI is
   // initialised with values from gPrefs.
   ShuttleGui S(this, eIsCreatingFromPrefs);
   PopulateOrExchange(S);
   // ----------------------- End of main section --------------
}
 
void QualityPrefs::PopulateOrExchange(ShuttleGui & S)
{
   S.SetBorder(2);
   S.StartScroller();
 
   S.StartStatic(XO("Real-time Conversion"));
   {
      S.StartMultiColumn(2, wxEXPAND);
      {
         S.TieChoice(XXO("Sample Rate Con&verter:"),
                     Resample::FastMethodSetting);
 
         /* i18n-hint: technical term for randomization to reduce undesirable resampling artifacts */
         S.TieChoice(XXO("&Dither:"),
                     Dither::FastSetting);
      }
      S.EndMultiColumn();
   }
   S.EndStatic();
 
   S.StartStatic(XO("High-quality Conversion"));
   {
      S.StartMultiColumn(2);
      {
         S.TieChoice(XXO("Sample Rate Conver&ter:"),
                     Resample::BestMethodSetting);
 
         /* i18n-hint: technical term for randomization to reduce undesirable resampling artifacts */
         S.TieChoice(XXO("Dit&her:"),
                     Dither::BestSetting);
      }
      S.EndMultiColumn();
   }
   S.EndStatic();
   S.EndScroller();
 
}
 
bool QualityPrefs::Commit()
{
   ShuttleGui S(this, eIsSavingToPrefs);
   PopulateOrExchange(S);
   
   // Tell CopySamples() to use these ditherers now
   InitDitherers();
 
   return true;
}
 
namespace{
PrefsPanel::Registration sAttachment{ "Quality",
   [](wxWindow *parent, wxWindowID winid, AudacityProject *)
   {
      wxASSERT(parent); // to justify safenew
      return safenew QualityPrefs(parent, winid);
   }
};
}