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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
flext tutorial - simple 2
Copyright (c) 2002,2003 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
-------------------------------------------------------------------------
This is an example of a simple object doing a float addition
*/
// include flext header
#include <flext.h>
// check for appropriate flext version
#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 400)
#error You need at least flext version 0.4.0
#endif
class simple2:
public flext_base
{
FLEXT_HEADER(simple2,flext_base)
public:
// constructor with float argument
simple2(float init);
protected:
void m_float1(float f);
void m_float2(float f);
// stored argument of right inlet
float arg;
private:
// FLEXT_CALLBACK_F(...) is a shortcut for FLEXT_CALLBACK_1(...,float)
FLEXT_CALLBACK_F(m_float1) // callback for method "m_float1" (with one float argument)
FLEXT_CALLBACK_F(m_float2) // callback for method "m_float2" (with one float argument)
};
// instantiate the class (constructor has one float argument)
FLEXT_NEW_1("simple2",simple2,float)
simple2::simple2(float init):
arg(init) // store argument
{
// define inlets
AddInAnything(); // first inlet of type anything (index 0)
AddInFloat(); // additional float inlet (index 1)
// define outlets
AddOutFloat(); // one float outlet (has index 0)
// register methods
FLEXT_ADDMETHOD(0,m_float1); // register method (for floats) "m_float1" for inlet 0
FLEXT_ADDMETHOD(1,m_float2); // register method (for floats) "m_float2" for inlet 1
}
void simple2::m_float1(float f)
{
float res;
res = arg+f;
// output value to outlet
ToOutFloat(0,res); // (0 stands for the outlet index 0)
}
void simple2::m_float2(float f)
{
// store float
arg = f;
}
|
