QT timer realizes dynamic display of pictures

This is achieved by timer “ The flying of butterflies ”

The main use is timer

1、 The process

Create a new one Widget, In the header file widget.h Add the declaration of timer in

Add... To the design interface l Two lable, One lable Add a picture of a butterfly spreading its wings , the other one lable Add a picture of a butterfly closing its wings , Ensure two lable It is the same size as the two pictures , In this way, the final effect is the best

And then in widget.cpp Set the timer and reconstruct the timing function in the source file


Here we want to realize the interval switching and moving of pictures , To set two timers , One is used to control the picture display , The other is used to control the frontal coordinate movement of the picture .

2、 effect

Watch the running video below

adopt Qt Realization “ Butterfly flies ”