EqualizationParameters.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  EqualizationParameters.cpp
 
  Mitch Golden
  Vaughan Johnson (Preview)
 
  Paul Licameli split from Equalization.cpp
 
***********************************************************************/
#include "EqualizationParameters.h"
#include "ConfigInterface.h"
 
const EnumValueSymbol EqualizationParameters::kInterpStrings[nInterpolations] =
{
   // These are acceptable dual purpose internal/visible names
 
   /* i18n-hint: Technical term for a kind of curve.*/
   { XO("B-spline") },
   { XO("Cosine") },
   { XO("Cubic") }
};
 
EqualizationParameters::EqualizationParameters(
   const EffectSettingsManager& manager)
    : mSettingsManager { manager }
    , mCurveName { CurveName.def }
    , mM { FilterLength.def }
    , mInterp { InterpMeth.def }
    , mLin { InterpLin.def }
{
   GetConfig(manager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("dBMin"), mdBMin, dBMin.def);
   GetConfig(manager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("dBMax"), mdBMax, dBMax.def);
   GetConfig(manager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("DrawMode"), mDrawMode, DrawMode.def);
   GetConfig(manager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("DrawGrid"), mDrawGrid, DrawGrid.def);
}
 
void EqualizationParameters::LoadDefaults(int options)
{
   mdBMin = dBMin.def;
   mdBMax = dBMax.def;
   mDrawMode = DrawMode.def;
   mDrawGrid = DrawGrid.def;
 
   if( options == kEqOptionCurve)
      mDrawMode = true;
   if( options == kEqOptionGraphic)
      mDrawMode = false;
}
 
void EqualizationParameters::SaveConfig()
const
{
   // TODO: just visit these effect settings the default way
   SetConfig(mSettingsManager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("dBMin"), mdBMin);
   SetConfig(mSettingsManager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("dBMax"), mdBMax);
   SetConfig(mSettingsManager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("DrawMode"), mDrawMode);
   SetConfig(mSettingsManager, PluginSettings::Private,
      CurrentSettingsGroup(), wxT("DrawGrid"), mDrawGrid);
}
 
bool EqualizationParameters::IsLinear() const
{
   // If sliders show (!mDrawMode), always use the log envelope
   return mDrawMode && mLin;
}