frequencyspectrum.cpp Example File | Qt Multimedia 5.4

- Qt 5.4
- Qt Multimedia
- Spectrum Example
- frequencyspectrum.cpp Example File
- Qt 5.4.2 Reference Documentation

# frequencyspectrum.cpp Example File

spectrum/app/frequencyspectrum.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
    **
    ** $QT_END_LICENSE$
    **
    ****************************************************************************/

    #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();
    }