Qt通过图片组绘制动态图片

#ifndef DIALOG_H
#define DIALOG_H


#include <QDialog>


QT_BEGIN_NAMESPACE
namespace Ui { class Dialog; }
QT_END_NAMESPACE


class Dialog : public QDialog
{
  Q_OBJECT


public:
  Dialog(QWidget *parent = nullptr);
  ~Dialog();


  void paintEvent(QPaintEvent *event);

  void timerEvent(QTimerEvent *event);

  int curIndex;
  
  void InitPixmap();


private:


    QPixmap pixmap[64];
  Ui::Dialog *ui;
};
#endif // DIALOG_H

#include "dialog.h"
#include "ui_dialog.h"
#include <QPainter>
#include <QPixmap>


Dialog::Dialog(QWidget *parent)
  : QDialog(parent)
  , ui(new Ui::Dialog)
{
  ui->setupUi(this);
  resize(160,182);
  startTimer(100);
  curIndex = 0;


  InitPixmap();
}


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


void Dialog::paintEvent(QPaintEvent *event)
{


  QPainter painter(this);
  QRect q(0,0,80,91);
  QRect q2(0,0,2*80,2*91);


  painter.drawPixmap(q2,pixmap[curIndex],q);


}


void Dialog::timerEvent(QTimerEvent *event)
{


  curIndex++;
  if(curIndex>=64)
  {
    curIndex=0;
  }


  repaint();
}

void Dialog::InitPixmap()
{


  for(int i=0;i<64;i++)
  {
    QString filename = QString(":/Res/Resourse/1_%1.png").arg(i+1,2,10,QLatin1Char('0'));
    QPixmap map(filename);


    pixmap[i]=map;
  }
  
}