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o3de/Code/Framework/AzQtComponents/AzQtComponents/Utilities/PixmapScaleUtilities.cpp

32 lines
1.0 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <AzCore/Casting/numeric_cast.h>
#include <AzQtComponents/Utilities/PixmapScaleUtilities.h>
#include <QtGui/private/qhighdpiscaling_p.h>
namespace AzQtComponents
{
QPixmap ScalePixmapForScreenDpi(
QPixmap pixmap, QScreen* screen, QSize size, Qt::AspectRatioMode aspectRatioMode, Qt::TransformationMode transformationMode)
{
qreal screenDpiFactor = QHighDpiScaling::factor(screen);
pixmap.setDevicePixelRatio(screenDpiFactor);
QPixmap scaledPixmap;
size.setWidth(aznumeric_cast<int>(aznumeric_cast<qreal>(size.width()) * screenDpiFactor));
size.setHeight(aznumeric_cast<int>(aznumeric_cast<qreal>(size.height()) * screenDpiFactor));
scaledPixmap = pixmap.scaled(size, aspectRatioMode, transformationMode);
return scaledPixmap;
}
}