GeoPie.cpp

#include "GeoPie.h"
#include <math.h>

GeoPie::GeoPie(QPointF world, int size, int dir, QColor pen, QColor brush) :
    Geometry(UM::iGeoPie, size, pen, brush)
{
    list.append(world);
    this->dir = dir;
    checkRect();
}

QRectF GeoPie::boundingRect() const
{
    return QRectF(-size/2, -size/2, size, size);
}

QPainterPath GeoPie::shape() const
{
    QPainterPath path;
    //path.addRect(-size/2, -size/2, size, size);
    QPolygonF polygon;
    polygon.append(QPointF(0,0));
    polygon.append(QPointF(-size/6,-size/2));
    polygon.append(QPointF(size/6,-size/2));
    path.addPolygon(polygon);
    return path;
}

void GeoPie::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
    painter->setPen(pen);
    painter->setBrush(brush);
    painter->setRenderHint(QPainter::Antialiasing);
    painter->drawPie(-size/2, -size/2, size, size-2,70*16, 40*16);
    if(label.length())
    {
        QFont font = painter->font();
        font.setFamily("Microsoft YaHei");
        font.setBold(true);
        painter->setFont(font);
        painter->setPen(brush);
        painter->drawText(-getLabelPixeSize()/2,-size/2-5,label);

    }
}