jthedering
3d8ef28d1b
Improved: Updated Qt to version 5.7 Fixed: The GUI for the Channel command was showing the wrong channels as selected when channel numbers were used instead of names.
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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This file is part of EqualizerAPO, a system-wide equalizer.
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Copyright (C) 2016 Jonas Thedering
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "DPIHelper.h"
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#include <QApplication>
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#include <QFont>
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#include <QFontMetrics>
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#include <QScreen>
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QSize DPIHelper::scale(QSize size)
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{
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if (qApp->testAttribute(Qt::AA_Use96Dpi))
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return size;
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qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInchX();
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return QSize(qRound(size.width() * dpi / 96), qRound(size.height() * dpi / 96));
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}
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int DPIHelper::scale(double pixel)
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{
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if (qApp->testAttribute(Qt::AA_Use96Dpi))
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return qRound(pixel);
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qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInchX();
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return qRound(pixel * dpi / 96);
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}
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double DPIHelper::scaleZoom(double zoom)
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{
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if (qApp->testAttribute(Qt::AA_Use96Dpi))
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return zoom;
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qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInchX();
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return zoom * dpi / 96;
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}
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double DPIHelper::invScale(int pixel)
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{
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if (qApp->testAttribute(Qt::AA_Use96Dpi))
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return pixel;
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qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInchX();
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return pixel * 96 / dpi;
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}
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double DPIHelper::invScaleZoom(double zoom)
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{
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if (qApp->testAttribute(Qt::AA_Use96Dpi))
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return zoom;
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qreal dpi = QGuiApplication::primaryScreen()->logicalDotsPerInchX();
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return zoom * 96 / dpi;
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}
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