Method Validate

libraries/lib-wave-track-settings/SpectrogramSettings.cpp:298–367

}

bool SpectrogramSettings::Validate(bool quiet)
{
   if (!quiet &&
      maxFreq < 100) {
      BasicUI::ShowMessageBox( XO("Maximum frequency must be 100 Hz or above") );
      return false;
   }
   else
      maxFreq = std::max(100, maxFreq);

   if (!quiet &&
      minFreq < 0) {
      BasicUI::ShowMessageBox( XO("Minimum frequency must be at least 0 Hz") );
      return false;
   }
   else
      minFreq = std::max(0, minFreq);

   if (!quiet &&
      maxFreq <= minFreq) {
      BasicUI::ShowMessageBox( XO(
"Minimum frequency must be less than maximum frequency") );
      return false;
   }
   else
      maxFreq = std::max(1 + minFreq, maxFreq);

   if (!quiet &&
      range <= 0) {
      BasicUI::ShowMessageBox( XO("The range must be at least 1 dB") );
      return false;
   }
   else
      range = std::max(1, range);

   if (!quiet &&
      frequencyGain < 0) {
      BasicUI::ShowMessageBox( XO("The frequency gain cannot be negative") );
      return false;
   }
   else if (!quiet &&
      frequencyGain > 60) {
      BasicUI::ShowMessageBox( XO(
"The frequency gain must be no more than 60 dB/dec") );
      return false;
   }
   else
      frequencyGain =
         std::max(0, std::min(60, frequencyGain));

   // The rest are controlled by drop-down menus so they can't go wrong
   // in the Preferences dialog, but we also come here after reading fom saved
   // preference files, which could be or from future versions.  Validate quietly.
   windowType =
      std::max(0, std::min(NumWindowFuncs() - 1, windowType));
   scaleType =
      ScaleType(std::max(0,
         std::min((int)(SpectrogramSettings::stNumScaleTypes) - 1,