mirror of https://github.com/davisking/dlib.git
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
|
|
||
|
|
||
|
/*
|
||
|
This is an example illustrating the use of the timer object.
|
||
|
|
||
|
The timer object is an object that calls some user specified member function
|
||
|
in its own thread at regular intervals.
|
||
|
*/
|
||
|
|
||
|
|
||
|
#include "dlib/timer.h"
|
||
|
#include "dlib/misc_api.h" // for dlib::sleep
|
||
|
#include <iostream>
|
||
|
|
||
|
using namespace dlib;
|
||
|
using namespace std;
|
||
|
|
||
|
// ----------------------------------------------------------------------------------------
|
||
|
|
||
|
class timer_example
|
||
|
{
|
||
|
public:
|
||
|
timer_example(
|
||
|
) :
|
||
|
// Here we construct our timer object. It needs two things. The second argument is
|
||
|
// the member function it is going to call at regular intervals and the first
|
||
|
// argument is the object instance it will call that member function on.
|
||
|
t(*this,&timer_example::action_function)
|
||
|
{
|
||
|
// set the timer object to trigger every second
|
||
|
t.set_delay_time(1000);
|
||
|
|
||
|
// start the timer. It will start calling the action function
|
||
|
// 1 second from this call to start.
|
||
|
t.start();
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
|
||
|
timer<timer_example>::kernel_1a t;
|
||
|
|
||
|
void action_function()
|
||
|
{
|
||
|
// print out a message so we can see that this function is being triggered
|
||
|
cout << "action_function() called" << endl;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
// ----------------------------------------------------------------------------------------
|
||
|
|
||
|
int main()
|
||
|
{
|
||
|
timer_example e;
|
||
|
|
||
|
// sleep for 10 seconds before letting the program end
|
||
|
dlib::sleep(10000);
|
||
|
}
|
||
|
|
||
|
// ----------------------------------------------------------------------------------------
|
||
|
|