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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <QtGraphicsBase.hxx>
#include <QtInstance.hxx>
#include <QtGui/QScreen>
#include <o3tl/string_view.hxx>
void QtGraphicsBase::ImplGetResolution(QtFrame* pFrame, sal_Int32& rDPIX, sal_Int32& rDPIY)
{
char* pForceDpi;
if ((pForceDpi = getenv("SAL_FORCEDPI")))
{
rDPIX = rDPIY = o3tl::toInt32(std::string_view(pForceDpi));
return;
}
if (!pFrame)
return;
QScreen* pScreen = pFrame->GetQWidget()->screen();
qreal devicePixelRatio;
GetQtInstance().EmscriptenLightweightRunInMainThread(
[pScreen, &devicePixelRatio] { devicePixelRatio = pScreen->devicePixelRatio(); });
rDPIX = pScreen->logicalDotsPerInchX() * devicePixelRatio + 0.5;
rDPIY = pScreen->logicalDotsPerInchY() * devicePixelRatio + 0.5;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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