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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* volumefader.cc
*
* Tue Apr 15 15:46:00 CEST 2014
* Copyright 2014 Jonas Suhr Christensen
* jsc@umbraculum.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "volumefader.h"
#include <QSlider>
#include <QVBoxLayout>
#include <math.h>
#define SCALAR 10
VolumeFader::VolumeFader()
{
volslider = new QSlider();
volslider->setRange(-60 * SCALAR , 10 * SCALAR);
connect(volslider, SIGNAL(valueChanged(int)), this, SLOT(handleValueChanged()));
QVBoxLayout* lo = new QVBoxLayout();
lo->addWidget(volslider);
setLayout(lo);
}
VolumeFader::~VolumeFader()
{
}
void VolumeFader::updatePeakDb(double)
{
}
void VolumeFader::updatePeakPower(double)
{
}
void VolumeFader::setVolumeDb(double)
{
}
void VolumeFader::setVolumePower(double vol)
{
}
void VolumeFader::handleValueChanged()
{
double db = ((double)volslider->value())/((double)SCALAR);
double power = pow(10, db/10);
// printf("Volume %f db, %f power\n", vol, pow(10, vol/10));
emit volumeChangedDb(db);
emit volumeChangedPower(power);
}
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