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Diffstat (limited to 'examples/multimedia/spectrum/app/frequencyspectrum.h')
-rw-r--r-- | examples/multimedia/spectrum/app/frequencyspectrum.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/examples/multimedia/spectrum/app/frequencyspectrum.h b/examples/multimedia/spectrum/app/frequencyspectrum.h deleted file mode 100644 index 4b13cbb99..000000000 --- a/examples/multimedia/spectrum/app/frequencyspectrum.h +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef FREQUENCYSPECTRUM_H -#define FREQUENCYSPECTRUM_H - -#include <QtCore/QList> - -/** - * Represents a frequency spectrum as a series of elements, each of which - * consists of a frequency, an amplitude and a phase. - */ -class FrequencySpectrum { -public: - FrequencySpectrum(int numPoints = 0); - - struct Element { - Element() - : frequency(0.0), amplitude(0.0), phase(0.0), clipped(false) - { } - - /** - * Frequency in Hertz - */ - qreal frequency; - - /** - * Amplitude in range [0.0, 1.0] - */ - qreal amplitude; - - /** - * Phase in range [0.0, 2*PI] - */ - qreal phase; - - /** - * Indicates whether value has been clipped during spectrum analysis - */ - bool clipped; - }; - - typedef QList<Element>::iterator iterator; - typedef QList<Element>::const_iterator const_iterator; - - void reset(); - - int count() const; - Element& operator[](int index); - const Element& operator[](int index) const; - iterator begin(); - iterator end(); - const_iterator begin() const; - const_iterator end() const; - -private: - QList<Element> m_elements; -}; - -#endif // FREQUENCYSPECTRUM_H |