Method UpdateDefaultCurves

libraries/lib-builtin-effects/EqualizationCurves.cpp:136–249

Update presets to match Audacity version.

// Update presets to match Audacity version.
//
void EQCurveReader::UpdateDefaultCurves(bool updateAll /* false */)
{
   if (mCurves.size() == 0)
      return;

   wxString unnamed = wxT("unnamed");

   // Save the "unnamed" curve and remove it so we can add it back as the final curve.
   EQCurve userUnnamed(wxT("temp"));
   userUnnamed = mCurves.back();
   mCurves.pop_back();

   EQCurveArray userCurves = mCurves;
   mCurves.clear();
   // We only wamt to look for the shipped EQDefaultCurves.xml
   wxFileName fn = wxFileName(FileNames::ResourcesDir(), wxT("EQDefaultCurves.xml"));
   wxLogDebug(wxT("Attempting to load EQDefaultCurves.xml from %s"),fn.GetFullPath());
   XMLFileReader reader;

   if(!reader.Parse(this, fn.GetFullPath())) {
      wxLogError(wxT("EQDefaultCurves.xml could not be read."));
      return;
   }
   else {
      wxLogDebug(wxT("Loading EQDefaultCurves.xml successful."));
   }

   EQCurveArray defaultCurves = mCurves;
   mCurves.clear(); // clear now so that we can sort then add back.

   // Remove "unnamed" if it exists.
   if (defaultCurves.back().Name == unnamed) {
      defaultCurves.pop_back();
   }
   else {
      wxLogError(wxT("Error in EQDefaultCurves.xml"));
   }

   int numUserCurves = userCurves.size();
   int numDefaultCurves = defaultCurves.size();
   EQCurve tempCurve(wxT("test"));

   if (updateAll) {
      // Update all factory preset curves.
      // Sort and add factory defaults first;
      mCurves = defaultCurves;
      std::sort(mCurves.begin(), mCurves.end());
      // then add remaining user curves:
      for (int curveCount = 0; curveCount < numUserCurves; curveCount++) {
         bool isCustom = true;
         tempCurve = userCurves[curveCount];
         // is the name in the default set?
         for (int defCurveCount = 0; defCurveCount < numDefaultCurves; defCurveCount++) {
            if (tempCurve.Name == mCurves[defCurveCount].Name) {
               isCustom = false;
               break;
            }
         }