Exemplos de brushPattern em C++ (Cpp)

Exemplo n.º 1

Arquivo: tabletcanvas.cpp Projeto: Fale/qtmoko

//! [5]
void TabletCanvas::paintImage(QPainter &painter, QTabletEvent *event)
{
    QPoint brushAdjust(10, 10);

    switch (myTabletDevice) {
        case QTabletEvent::Stylus:
            painter.setBrush(myBrush);
            painter.setPen(myPen);
            painter.drawLine(polyLine[1], event->pos());
            break;
        case QTabletEvent::Airbrush:
            myBrush.setColor(myColor);
            myBrush.setStyle(brushPattern(event->pressure()));
            painter.setPen(Qt::NoPen);
            painter.setBrush(myBrush);

            for (int i = 0; i < 3; ++i) {
                painter.drawEllipse(QRect(polyLine[i] - brushAdjust,
                                    polyLine[i] + brushAdjust));
            }
            break;
        case QTabletEvent::Puck:
        case QTabletEvent::FourDMouse:
        case QTabletEvent::RotationStylus:
            qWarning("This input device is not supported by the example.");
            break;
        default:
            qWarning("Unknown tablet device.");
    }
}

Exemplo n.º 2

Arquivo: tabletcanvas.cpp Projeto: atuleu/QGoldenBook

//! [5]
void TabletCanvas::paintPixmap(QPainter &painter, QTabletEvent *event)
{
    QPoint brushAdjust(10, 10);

    switch (myTabletDevice) {
        case QTabletEvent::Airbrush:
            myBrush.setColor(myColor);
            myBrush.setStyle(brushPattern(event->pressure()));
            painter.setPen(Qt::NoPen);
            painter.setBrush(myBrush);

            for (int i = 0; i < 3; ++i) {
                painter.drawEllipse(QRect(polyLine[i] - brushAdjust,
                                    polyLine[i] + brushAdjust));
            }
            break;
        case QTabletEvent::Puck:
        case QTabletEvent::FourDMouse:
        case QTabletEvent::RotationStylus:
            {
                const QString error(tr("This input device is not supported by the example."));
#ifndef QT_NO_STATUSTIP
                QStatusTipEvent status(error);
                QApplication::sendEvent(this, &status);
#else
                qWarning() << error;
#endif
            }
            break;
        default:
            {
                const QString error(tr("Unknown tablet device - treating as stylus"));
#ifndef QT_NO_STATUSTIP
                QStatusTipEvent status(error);
                QApplication::sendEvent(this, &status);
#else
                qWarning() << error;
#endif
            }
            // FALL-THROUGH
        case QTabletEvent::Stylus:
            painter.setBrush(myBrush);
            painter.setPen(myPen);
            painter.drawLine(polyLine[1], event->pos());
            break;
    }
}