File indexing completed on 2024-05-05 03:49:48
0001 // SPDX-License-Identifier: LGPL-2.1-or-later 0002 // 0003 // SPDX-FileCopyrightText: 2006-2009 Torsten Rahn <tackat@kde.org> 0004 // SPDX-FileCopyrightText: 2011, 2012 Bernhard Beschow <bbeschow@cs.tu-berlin.de> 0005 // 0006 0007 0008 #include "FpsLayer.h" 0009 0010 #include <QPoint> 0011 #include <QElapsedTimer> 0012 #include <QFont> 0013 #include <QPainter> 0014 0015 namespace Marble 0016 { 0017 0018 FpsLayer::FpsLayer( QElapsedTimer *time ) 0019 : m_time( time ) 0020 { 0021 } 0022 0023 void FpsLayer::paint( QPainter *painter ) const 0024 { 0025 const qreal fps = 1000.0 / (qreal)( m_time->elapsed() ); 0026 const QString fpsString = QString("Speed: %1 fps").arg(fps, 5, 'f', 1, QLatin1Char(' ')); 0027 0028 const QPoint fpsLabelPos( 10, 20 ); 0029 0030 painter->setFont( QFont( QStringLiteral( "Sans Serif" ), 10 ) ); 0031 0032 painter->setPen( Qt::black ); 0033 painter->setBrush( Qt::black ); 0034 painter->drawText( fpsLabelPos, fpsString ); 0035 0036 painter->setPen( Qt::white ); 0037 painter->setBrush( Qt::white ); 0038 painter->drawText( fpsLabelPos.x() - 1, fpsLabelPos.y() - 1, fpsString ); 0039 } 0040 0041 }