QT day6

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#include "widget.h"
#include "ui_widget.h"
 
#include<QPainter>
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    this->setFixedSize(611,570);
    ui->slider->setMaximum(410);
    ui->slider->setMinimum(135);
 
  connect(ui->slider,SIGNAL(valueChanged(int)),this,SLOT(sliderValueChangedSlotFun(int)));
 
 }
 
Widget::~Widget()
{
    delete ui;
}
 
void Widget::paintEvent(QPaintEvent *event)
{
 
     QPainter p (this)
     int R = this->width()/2;
     int r = this->width()/4;
     p.translate( this->width()/2,this->height()/2);
     p.drawPixmap(-R,-R+30,this->width(),this->height(),QPixmap(":/rs/Pan.png"));


     p.rotate( ui->slider->value());
     p.drawPixmap(-23,-25,r*1.5,r/3.5,QPixmap(":/rs/Point.png"));
 
 
 
 
}
 
void Widget::sliderValueChangedSlotFun(int)
{
       this->update();

}