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EqualizerAPO/Editor/widgets/FrequencyPlotItem.cpp
T

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1.6 KiB
C++

/*
This file is part of EqualizerAPO, a system-wide equalizer.
Copyright (C) 2015 Jonas Thedering
This program 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.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <QGraphicsScene>
#include "FrequencyPlotScene.h"
#include "FrequencyPlotItem.h"
FrequencyPlotItem::FrequencyPlotItem(double hz, double db)
: hz(hz), db(db)
{
setFlag(ItemSendsScenePositionChanges);
}
void FrequencyPlotItem::updatePos()
{
setFlag(ItemSendsScenePositionChanges, false);
FrequencyPlotScene* s = qobject_cast<FrequencyPlotScene*>(scene());
setPos(floor(s->hzToX(hz)) + 0.5, floor(s->dbToY(db)) + 0.5);
setFlag(ItemSendsScenePositionChanges, true);
}
double FrequencyPlotItem::getHz() const
{
return hz;
}
void FrequencyPlotItem::setHz(double value)
{
hz = value;
}
double FrequencyPlotItem::getDb() const
{
return db;
}
void FrequencyPlotItem::setDb(double value)
{
db = value;
}