#include "graphicsarcitem.h"

graphicsArcItem::graphicsArcItem(qreal x, qreal y, qreal r, qreal a1, qreal a2)
{
    this->x = x;
    this->y = y;
    this->r = r;
    this->a1 = a1;
    this->a2 = a2;
    this->col = QColor(Qt::black);
    this->textLeft="";
    this->textRight="";
    this->textVisible=false;
}

QRectF graphicsArcItem::boundingRect() const
{
    return QRectF(x-r, y-r, 2*r, 2*r);
}

//QPainterPath graphicsArcItem::shape() const
//{
//    QPainterPath path;
//    path.moveTo(x+r, y+r);
//    path.arcTo(boundingRect(), a2, a1);
//    return path;
//}

void graphicsArcItem::setColor(QColor c)
{
    if (col!=c) {
        prepareGeometryChange();
        col = c;
    }
}
void graphicsArcItem::setRadius(qreal rr)
{
    if (r!=rr) {
        prepareGeometryChange();
        r = rr;
    }
}

void graphicsArcItem::setAngle1(qreal a)
{
    if (a1 != a) {
        prepareGeometryChange();
        a1=a;
    }
}
void graphicsArcItem::setAngle2(qreal a)
{
    if (a2 != a) {
        prepareGeometryChange();
        a2=a;
    }
}
void graphicsArcItem::setAngles(qreal aa, qreal ab)
{
    setAngle1(aa);
    setAngle2(ab);
}

void graphicsArcItem::setText(QString str1, QString str2)
{
    if ((textLeft!=str1)||(textRight!=str2))
    {
        prepareGeometryChange();
        textLeft = str1;
        textRight = str2;
    }
}

void graphicsArcItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    painter->setPen(QPen(col));
    painter->drawPie(boundingRect(), a1*16, (a2-a1)*16);

    if (textVisible)
    {

        qreal fs = r/223;


        painter->setPen(QPen(Qt::white));
        QFont f = painter->font();
        f.setPointSizeF(fs*7);
        painter->setFont(f);

        painter->drawText(x+0.95*r*cos(a1/180*M_PI), y-0.95*r*sin(a1/180*M_PI), textLeft);
        painter->drawText(x+0.95*r*cos(a2/180*M_PI), y-0.95*r*sin(a2/180*M_PI), textRight);
    }
}