Method LoadOneThemeComponents

libraries/lib-theme/Theme.cpp:979–1072

}

void ThemeBase::LoadOneThemeComponents( teThemeType id, bool bOkIfNotFound )
{
   SwitchTheme( id );
   auto &resources = *mpSet;
   // IF directory doesn't exist THEN return early.
   const auto dir = ThemeComponentsDir(GetFilePath(), id);
   if( !wxDirExists( dir ))
      return;

   using namespace BasicUI;

   int n=0;
   FilePath FileName;
   for (size_t i = 0; i < resources.mImages.size(); ++i)
   {
      if( !(mBitmapFlags[i] & resFlagInternal) )
      {
         FileName = ThemeComponent( dir, mBitmapNames[i] );
         if( wxFileExists( FileName ))
         {
            if( !resources.mImages[i].LoadFile( FileName, wxBITMAP_TYPE_PNG ))
            {
               ShowMessageBox(
                  XO(
               /* i18n-hint: Do not translate png.  It is the name of a file format.*/
"Audacity could not load file:\n  %s.\nBad png format perhaps?")
                     .Format( FileName ));
               return;
            }
            /// JKC: \bug (wxWidgets) A png may have been saved with alpha, but when you
            /// load it, it comes back with a mask instead!  (well I guess it is more
            /// efficient).  Anyway, we want alpha and not a mask, so we call InitAlpha,
            /// and that transfers the mask into the alpha channel, and we're done.
            if( ! resources.mImages[i].HasAlpha() )
            {
               // wxLogDebug( wxT("File %s lacked alpha"), mBitmapNames[i] );
               resources.mImages[i].InitAlpha();
            }
            resources.mBitmaps[i] = wxBitmap( resources.mImages[i] );
            n++;
         }
      }
   }

   // Now read complete information about the colors from one text file
   {
      const auto fName = wxFileName{ dir, ColorFileName }.GetFullPath();
      wxTextFile file{ fName };
      file.Open();
      if (!file.IsOpened())
         ShowMessageBox( XO("Couldn't read from file: %s").Format( fName ) );
      else {
         ++n;
         // Scan the line for name and #xxxxxx;
         static const std::wregex expr{
            LR"(^ *([_[:alnum:]]+).*#([0-9a-fA-F]{6});)" };
         const auto begin = mColourNames.begin(),
             end = mColourNames.end();