Qt 5.9 | Qt Multimedia | Spectrum Example | frequencyspectrum.cpp Example File

Qt 5.9.4 Reference Documentation

# frequencyspectrum.cpp Example File

multimedia/spectrum/app/frequencyspectrum.cpp

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      #include "frequencyspectrum.h"

      FrequencySpectrum::FrequencySpectrum(int numPoints)
          :   m_elements(numPoints)
      {

      }

      void FrequencySpectrum::reset()
      {
          iterator i = begin();
          for ( ; i != end(); ++i)
              *i = Element();
      }

      int FrequencySpectrum::count() const
      {
          return m_elements.count();
      }

      FrequencySpectrum::Element &FrequencySpectrum::operator[](int index)
      {
          return m_elements[index];
      }

      const FrequencySpectrum::Element &FrequencySpectrum::operator[](int index) const
      {
          return m_elements[index];
      }

      FrequencySpectrum::iterator FrequencySpectrum::begin()
      {
          return m_elements.begin();
      }

      FrequencySpectrum::iterator FrequencySpectrum::end()
      {
          return m_elements.end();
      }

      FrequencySpectrum::const_iterator FrequencySpectrum::begin() const
      {
          return m_elements.begin();
      }

      FrequencySpectrum::const_iterator FrequencySpectrum::end() const
      {
          return m_elements.end();
      }