diff options
Diffstat (limited to 'examples/multimedia/spectrum/frequencyspectrum.h')
| -rw-r--r-- | examples/multimedia/spectrum/frequencyspectrum.h | 67 |
1 files changed, 10 insertions, 57 deletions
diff --git a/examples/multimedia/spectrum/frequencyspectrum.h b/examples/multimedia/spectrum/frequencyspectrum.h index 4b13cbb99..9f3771571 100644 --- a/examples/multimedia/spectrum/frequencyspectrum.h +++ b/examples/multimedia/spectrum/frequencyspectrum.h @@ -1,70 +1,23 @@ -/**************************************************************************** -** -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #ifndef FREQUENCYSPECTRUM_H #define FREQUENCYSPECTRUM_H -#include <QtCore/QList> +#include <QList> /** * Represents a frequency spectrum as a series of elements, each of which * consists of a frequency, an amplitude and a phase. */ -class FrequencySpectrum { +class FrequencySpectrum +{ public: FrequencySpectrum(int numPoints = 0); - struct Element { - Element() - : frequency(0.0), amplitude(0.0), phase(0.0), clipped(false) - { } + struct Element + { + Element() : frequency(0.0), amplitude(0.0), phase(0.0), clipped(false) { } /** * Frequency in Hertz @@ -93,8 +46,8 @@ public: void reset(); int count() const; - Element& operator[](int index); - const Element& operator[](int index) const; + Element &operator[](int index); + const Element &operator[](int index) const; iterator begin(); iterator end(); const_iterator begin() const; |