《QWidget椭圆无限滚动滑动轮播图 》

 高级轮播图，实现椭圆轨迹的无限滚动。

实现了一个基于椭圆的无限轮播图组件Daen_no_Kado。主要功能包括：1) 通过椭圆轨迹实现图片的无限循环展示；2) 支持左右按钮点击、鼠标拖动和滚轮操作切换图片；3) 包含动画效果和进度条显示；4) 图片会根据椭圆路径进行3D旋转和缩放变换。组件使用Qt框架开发，通过QPainter绘制椭圆路径下的图片展示区域，并利用QPropertyAnimation实现按钮动画效果。图片切换时采用平滑过渡，支持自动轮播和手动交互控制。

#include "daen_no_kado.h"

Daen_no_Kado::Daen_no_Kado(QWidget *parent)
    : QWidget{parent}
{
    this->resize(1200, 606);
    recta = QRect(0, 0, 1200, 606);

    QPalette pal(this->palette());
    pal.setColor(QPalette::Window, QColor(243, 246, 253));
    this->setPalette(pal);

    button = new Latticed_Circle_Button(this);
    button2 = new Latticed_Circle_Button(this);
    button->Shikisai_no_joutai = true;
    connect(button, &Latticed_Circle_Button::Latticed_Circle_Click_Signal, this, &Daen_no_Kado::Move_Left);
    connect(button2, &Latticed_Circle_Button::Latticed_Circle_Click_Signal, this, &Daen_no_Kado::Move_Right);

    this->Get_Image();
    this->Kiso_Deta_Kouchiku();
    this->Gazou_wo_nabebae_ru();

    connect(&timerA, &QTimer::timeout, this, &Daen_no_Kado::koushin_suru);
    timerA.setInterval(16);

    connect(&timerB, &QTimer::timeout, this, &Daen_no_Kado::Progress_Bar_Data_Update);
    timerB.setInterval(16);
    timerB.start();

    this->animations();
}

void Daen_no_Kado::animations()
{
    animation = new QPropertyAnimation(this->button, "geometry");
    animation->setDuration(300);
    animation->setStartValue(this->button->geometry());
    animation->setEndValue(QRect(this->button->pos().x() - zoom_rate / 2, this->button->pos().y() - zoom_rate / 2, button->width() + zoom_rate, button->height() + zoom_rate));
    animation->setEasingCurve(QEasingCurve::Linear);

    animation2 = new QPropertyAnimation(this->button2, "geometry");
    animation2->setDuration(300);
    animation2->setStartValue(this->button2->geometry());
    animation2->setEndValue(QRect(this->button2->pos().x() - zoom_rate / 2, this->button2->pos().y() - zoom_rate / 2, button2->width() + zoom_rate, button2->height() + zoom_rate));
    animation2->setEasingCurve(QEasingCurve::Linear);

    connect(button, &Latticed_Circle_Button::execute_animation_signal, this, [this](Latticed_Circle_Button::AnimationState state)
    {
        if (state == Latticed_Circle_Button::Execute)
        {
            animation->setDirection(QAbstractAnimation::Forward);
            animation->start();
        }
        else if (state == Latticed_Circle_Button::Restore)
        {
            animation->setDirection(QAbstractAnimation::Backward);
            animation->start();
        }
    });

    connect(button2, &Latticed_Circle_Button::execute_animation_signal, this, [this](Latticed_Circle_Button::AnimationState state)
    {
        if (state == Latticed_Circle_Button::Execute)
        {
            animation2->setDirection(QAbstractAnimation::Forward);
            animation2->start();
        }
        else if (state == Latticed_Circle_Button::Restore)
        {
            animation2->setDirection(QAbstractAnimation::Backward);
            animation2->start();
        }
    });

    animation3 = new QPropertyAnimation(this