blob: e1d5549262a1c7762334c2d8ee21dbf45f68974e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt
/*
This is an example illustrating the use of the timer object from the dlib C++ Library.
The timer is an object that calls some user specified member function at regular
intervals from another thread.
*/
#include <dlib/timer.h>
#include <dlib/misc_api.h> // for dlib::sleep
#include <iostream>
using namespace dlib;
using namespace std;
// ----------------------------------------------------------------------------------------
class timer_example
{
public:
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;
// 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.
timer<timer_example> t(e, &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();
// Sleep for 10 seconds before letting the program end.
dlib::sleep(10000);
// The timer will destruct itself properly and stop calling the action_function.
}
// ----------------------------------------------------------------------------------------
|
