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/*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard 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, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UBCircleFrame.h"
#include "core/memcheck.h"
UBCircleFrame::UBCircleFrame(QWidget* parent)
: QFrame(parent)
{
// NOOP
}
UBCircleFrame::~UBCircleFrame()
{
// NOOP
}
void UBCircleFrame::paintEvent(QPaintEvent * event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
painter.setBrush(QBrush(Qt::black));
qreal diameter = (width() - 2) / maxPenWidth * currentPenWidth;
diameter = qMax(2.0, diameter);
qreal x = (width() - diameter) / 2;
painter.drawEllipse(x, x, diameter, diameter);
}