новые иконки в OpenBoard
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OpenBoard/src/gui/UBCircleFrame.cpp

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1.2 KiB

/*
13 years ago
* 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 3 of the License, or
* (at your option) any later version.
*
13 years ago
* 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 "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);
}