/* * 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. * * 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 . */ #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); }