mirror of
https://gitlab.linphone.org/BC/public/linphone-desktop.git
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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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* Copyright (c) 2010-2024 Belledonne Communications SARL.
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*
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* This file is part of linphone-desktop
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* (see https://www.linphone.org).
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "FPSCounter.hpp"
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#include <QBrush>
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#include <QDateTime>
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#include <QPainter>
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#include "tool/Utils.hpp"
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FPSCounter::FPSCounter(QQuickItem *parent) : QQuickPaintedItem(parent), _currentFPS(0), _cacheCount(0) {
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_times.clear();
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setFlag(QQuickItem::ItemHasContents);
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}
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FPSCounter::~FPSCounter() {
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}
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void FPSCounter::recalculateFPS() {
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qint64 currentTime = QDateTime::currentDateTime().toMSecsSinceEpoch();
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_times.push_back(currentTime);
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while (_times[0] < currentTime - 1000) {
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_times.pop_front();
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}
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int currentCount = _times.length();
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_currentFPS = (currentCount + _cacheCount) / 2;
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// lDebug() << _currentFPS;
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if (currentCount != _cacheCount) fpsChanged(_currentFPS);
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_cacheCount = currentCount;
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}
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int FPSCounter::fps() const {
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return _currentFPS;
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}
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void FPSCounter::paint(QPainter *painter) {
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recalculateFPS();
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// lDebug()<< __FUNCTION__;
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/*
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QBrush brush(Qt::yellow);
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painter->setBrush(brush);
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painter->setPen(Qt::NoPen);
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painter->setRenderHint(QPainter::Antialiasing);
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painter->drawRoundedRect(0, 0, boundingRect().width(), boundingRect().height(), 0, 0);
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*/
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update();
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}
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