kwin/plugins/qpa/screen.cpp
Vlad Zagorodniy bb6d1153f7 [plugins/qpa] Return a fixed value logicalDpi
Summary:
Font scaling is based on the screen scale factor so we can just return
dpi of 96.

Reviewers: #kwin, davidedmundson

Reviewed By: #kwin, davidedmundson

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D22219
2019-07-02 22:32:39 +03:00

79 lines
1.9 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "screen.h"
#include "platformcursor.h"
#include "screens.h"
namespace KWin
{
namespace QPA
{
Screen::Screen(int screen)
: QPlatformScreen()
, m_screen(screen)
, m_cursor(new PlatformCursor)
{
}
Screen::~Screen() = default;
int Screen::depth() const
{
return 32;
}
QImage::Format Screen::format() const
{
return QImage::Format_ARGB32_Premultiplied;
}
QRect Screen::geometry() const
{
return m_screen != -1 ? screens()->geometry(m_screen) : QRect(0, 0, 1, 1);
}
QSizeF Screen::physicalSize() const
{
return m_screen != -1 ? screens()->physicalSize(m_screen) : QPlatformScreen::physicalSize();
}
QPlatformCursor *Screen::cursor() const
{
return m_cursor.data();
}
QDpi Screen::logicalDpi() const
{
static int forceDpi = qEnvironmentVariableIsSet("QT_WAYLAND_FORCE_DPI") ? qEnvironmentVariableIntValue("QT_WAYLAND_FORCE_DPI") : -1;
if (forceDpi > 0) {
return QDpi(forceDpi, forceDpi);
}
return QDpi(96, 96);
}
qreal Screen::devicePixelRatio() const
{
return m_screen != -1 ? screens()->scale(m_screen) : 1.0;
}
}
}