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| |
| #include "roundrectitem.h" |
| |
| #include <QGuiApplication> |
| #include <QPainter> |
| #include <QPalette> |
| |
| //! [0] |
| RoundRectItem::RoundRectItem(const QRectF &bounds, const QColor &color, |
| QGraphicsItem *parent) |
| : QGraphicsObject(parent), fillRect(false), bounds(bounds) |
| { |
| gradient.setStart(bounds.topLeft()); |
| gradient.setFinalStop(bounds.bottomRight()); |
| gradient.setColorAt(0, color); |
| gradient.setColorAt(1, color.darker(200)); |
| setCacheMode(ItemCoordinateCache); |
| } |
| //! [0] |
| |
| //! [1] |
| QPixmap RoundRectItem::pixmap() const |
| { |
| return pix; |
| } |
| void RoundRectItem::setPixmap(const QPixmap &pixmap) |
| { |
| pix = pixmap; |
| update(); |
| } |
| //! [1] |
| |
| //! [2] |
| QRectF RoundRectItem::boundingRect() const |
| { |
| return bounds.adjusted(0, 0, 2, 2); |
| } |
| //! [2] |
| |
| //! [3] |
| void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, |
| QWidget *widget) |
| { |
| Q_UNUSED(option); |
| Q_UNUSED(widget); |
| painter->setPen(Qt::NoPen); |
| painter->setBrush(QColor(0, 0, 0, 64)); |
| painter->drawRoundedRect(bounds.translated(2, 2), 25, 25, Qt::RelativeSize); |
| //! [3] |
| //! [4] |
| if (fillRect) |
| painter->setBrush(QGuiApplication::palette().brush(QPalette::Window)); |
| else |
| painter->setBrush(gradient); |
| painter->setPen(QPen(Qt::black, 1)); |
| painter->drawRoundedRect(bounds, 25,25, Qt::RelativeSize); |
| //! [4] |
| //! [5] |
| if (!pix.isNull()) { |
| painter->scale(1.95, 1.95); |
| painter->drawPixmap(-pix.width() / 2, -pix.height() / 2, pix); |
| } |
| } |
| //! [5] |
| |
| //! [6] |
| bool RoundRectItem::fill() const |
| { |
| return fillRect; |
| } |
| void RoundRectItem::setFill(bool fill) |
| { |
| fillRect = fill; |
| update(); |
| } |
| //! [6] |