Method sketchLine

graph_view.cpp:199–210

}

void MyGraphicsView::sketchLine(QPointF start, QPointF end){
    QGraphicsLineItem *newLine = new QGraphicsLineItem(start.x(), start.y(), end.x(), end.y());
    QPen pen;
    pen.setWidth(3);
    pen.setStyle(Qt::DashLine);
    pen.setBrush(QColor(58, 143, 192, 100));
    pen.setCapStyle(Qt::RoundCap);
    newLine->setPen(pen);
    scene()->addItem(newLine);
    newLine->stackBefore(selItem);
    sketchItem = newLine;
}

void MyGraphicsView::addLine(MyGraphicsVexItem *start, MyGraphicsVexItem *end){
    MyGraphicsLineItem *newLine = new MyGraphicsLineItem(start, end, type == DG);