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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtDeclarative module 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 Nokia Corporation 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GUITARTUNERUI_H
#define GUITARTUNERUI_H
#include <QWidget>
#include <QDebug>
namespace Ui {
class GuitarTunerUI;
}
const qreal FrequencyE = 82.407;
const qreal FrequencyA = 110.00;
const qreal FrequencyD = 146.83;
const qreal FrequencyG = 196.00;
const qreal FrequencyB = 246.94;
const qreal FrequencyE2 = 329.63;
class GuitarTunerUI : public QWidget
{
Q_OBJECT
public:
explicit GuitarTunerUI(QWidget *parent = 0);
~GuitarTunerUI();
qreal getVolume() const;
bool getMuteState() const;
qreal getMicrophoneSensitivity() const;
bool isInputModeActive() const;
qreal getFrequency() const;
int getScaleMaximumValue() const;
void setMaximumVoiceDifference(int max);
void setMaximumPrecisionPerNote(int max);
public slots:
void toggleSound(bool off);
void next();
void prev();
void changeVolume();
void toggleInputOrOutput();
void lowVoice();
void voiceDifference(qreal difference);
void correctFrequencyObtained();
signals:
void modeChanged(bool isInput);
void volumeChanged(qreal volume);
void microphoneSensitivityChanged(qreal sensitivity);
void muteChanged(bool isMuted);
void targetFrequencyChanged(qreal targetFrequency);
protected:
void changeEvent(QEvent *e);
private:
Ui::GuitarTunerUI *ui;
void changeTone(int newIndex);
qreal getVolumeFromSoundSlider() const;
int m_currentToneIndex;
QString m_currentToneString;
qreal m_currentToneFrequency;
void updateFrequencyByToneIndex(int index);
bool m_outputActive;
bool m_muted;
qreal m_outputVolumeLevel;
qreal m_inputVolumeLevel;
int m_maximumPrecision;
};
#endif // GUITARTUNERUI_H
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