form_km.cpp

#include "form_km.h"
#include "ui_form_km.h"

Form_KM::Form_KM(QWidget *parent) : QWidget(parent), ui(new Ui::Form_KM) {
        ui->setupUi(this);
        ui->label_Scale->setStyleSheet(
                                "border-image:url(:/KM/Images/Km/Km_background.png)");

        m_pointX = 67;
        m_pointY = 67;
        m_degreespeed = 0;
        m_degreeRotate = 0;
}

Form_KM::~Form_KM() { delete ui; }

void Form_KM::paintEvent(QPaintEvent *) {

        QImage imagePointer(":/KM/Images/Km/Point.png");

        QPainter painter(this);
        // QRect rct(32,39,108,108);
        QRect rct(8, 10, 108, 108);

        painter.translate(m_pointX, m_pointY);

        painter.rotate(-14 + m_degreespeed);
        painter.translate((0 - m_pointX), (0 - m_pointY));

        painter.setRenderHint(QPainter::SmoothPixmapTransform, true);

        painter.drawImage(rct, imagePointer);

        painter.save();
        painter.restore();
}

void Form_KM::change_Speed(float temp) {
        m_degreespeed = temp;
        update();
}