分析一下github中项目的软件启动画面的实现
引用这个老外的一些资源了呀。。。。。。。。。。。。。。。。。
看到了，很简单，就是一帧帧的png图片。下面是他的代码，就是开启一个定时器，每隔一段时间刷新出一帧新的图片，
当所有图片显示完成后，启动界面结束。感觉还不如整个gif图片呢。其实这倒无所谓，反正动画（电影）也就是一帧帧的图像组成的。
#ifndef LOADSPLASH_H
#define LOADSPLASH_H
#include
#include
#include
//! The LoadSplash class.
/*!
Animated splash screen.
*/
class LoadSplash : public QObject
{
Q_OBJECT
public:
//! Constructor LoadSplash class.
/*!
Load images
\param screen Used splash screen
\param interval Time interval of pictures
\param parent Parent widget
*/
explicit LoadSplash(QSplashScreen * screen, int interval, QObject *parent = 0);
//! Start animation.
void start();
private:
//! Timer Event.
/*!
Show images
\param event Timer event
*/
void timerEvent(QTimerEvent *event);
private:
QSplashScreen * _screen; //!< Used splash screen
QList<QPixmap> _pixmaps; //!< List of Pictures
int _interval; //!< Time interval of pictures
};
#endif // LOADSPLASH_H
#include "loadsplash.h"
LoadSplash::LoadSplash(QSplashScreen * screen, int interval, QObject *parent) :
QObject(parent)
{
_screen = screen;
_interval = interval;
_pixmaps.append(QPixmap (":/logos/logoShow1.png"));
_pixmaps.append(QPixmap (":/logos/logoShow2.png"));
_pixmaps.append(QPixmap (":/logos/logoShow3.png"));
_pixmaps.append(QPixmap (":/logos/logoShow4.png"));
_pixmaps.append(QPixmap (":/logos/logoShow5.png"));
_pixmaps.append(QPixmap (":/logos/logoShow6.png"));
_pixmaps.append(QPixmap (":/logos/logoShow7.png"));
}
void LoadSplash::start()
{
startTimer(_interval);
}
void LoadSplash::timerEvent(QTimerEvent *event)
{
if(!_pixmaps.isEmpty())
{
_screen->setPixmap(_pixmaps.takeFirst());
}
else
{
killTimer(event->timerId());
}
}by zhangshaoyan at June 17,2015.