kwordquiz/src/kwqpixmapitem.cpp

0001 /*
0002     SPDX-FileCopyrightText: 2011 Peter Hedlund <peter.hedlund@kdemail.net>
0003     SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005
0006 #include "kwqpixmapitem.h"
0007
0008 #include <QPainter>
0009
0010 KWQPixmapItem::KWQPixmapItem(const QPixmap &pixmap, QGraphicsItem *parentItem) : QGraphicsPixmapItem(pixmap, parentItem)
0011 {
0012     setCacheMode(NoCache);
0013     setTransformationMode(Qt::SmoothTransformation);
0014 }
0015
0016
0017 QRectF KWQPixmapItem::boundingRect() const
0018 {
0019     return m_imageRect;
0020 }
0021
0022
0023 void KWQPixmapItem::setImageRect(const QRect& rect)
0024 {
0025     m_imageRect = rect;
0026 }
0027
0028
0029 void KWQPixmapItem::paint(QPainter *painter, const QStyleOptionGraphicsItem* options, QWidget* widget)
0030 {
0031     Q_UNUSED(options);
0032     Q_UNUSED(widget);
0033     QRect viewRect = painter->combinedTransform().mapRect(boundingRect().toRect());
0034     QPixmap pm = pixmap().scaled(viewRect.size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
0035     QSize pixmapSize = pm.size();
0036     pixmapSize.scale(QSizeF(boundingRect().width(), boundingRect().height()).toSize(), Qt::KeepAspectRatio);
0037     painter->drawPixmap((boundingRect().width() - pixmapSize.width()) / 2, (boundingRect().height() - pixmapSize.height()) / 2, pixmapSize.width(), pixmapSize.height(), pm);
0038 }