Max 5 API Reference

max.jit.simple.c

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/**
    @file
    max.jit.simple - simple example of a Jitter external
    multiplies an incoming matrix by a constant
     
    @ingroup    examples
    @see        jit.simple
 
    Copyright 2009 - Cycling '74
    Timothy Place, tim@cycling74.com
*/

#include "jit.common.h"
#include "max.jit.mop.h"


// Max object instance data
// Note: most instance data is in the Jitter object which we will wrap
typedef struct _max_jit_simple {
    t_object    ob;
    void        *obex;
} t_max_jit_simple;


// prototypes
BEGIN_USING_C_LINKAGE
t_jit_err   jit_simple_init(void);
void        *max_jit_simple_new(t_symbol *s, long argc, t_atom *argv);
void        max_jit_simple_free(t_max_jit_simple *x);
END_USING_C_LINKAGE

// globals
static void *max_jit_simple_class = NULL;


/************************************************************************************/

int main(void)
{   
    void *p, *q;
    
    jit_simple_init();  
    setup((t_messlist**)&max_jit_simple_class, (method)max_jit_simple_new, (method)max_jit_simple_free, sizeof(t_max_jit_simple), 0, A_GIMME, 0);

    p = max_jit_classex_setup(calcoffset(t_max_jit_simple, obex));
    q = jit_class_findbyname(gensym("jit_simple"));    
    max_jit_classex_mop_wrap(p, q, 0);                          // attrs & methods for name, type, dim, planecount, bang, outputmatrix, etc
    max_jit_classex_standard_wrap(p, q, 0);                     // attrs & methods for getattributes, dumpout, maxjitclassaddmethods, etc
    addmess((method)max_jit_mop_assist, "assist", A_CANT, 0);   // standard matrix-operator (mop) assist fn
    return 0;
}


/************************************************************************************/
// Object Life Cycle

void *max_jit_simple_new(t_symbol *s, long argc, t_atom *argv)
{
    t_max_jit_simple    *x;
    void            *o;

    x = (t_max_jit_simple*)max_jit_obex_new(max_jit_simple_class, gensym("jit_simple"));
    if (x) {
        o = jit_object_new(gensym("jit_simple"));
        if (o) {
            max_jit_mop_setup_simple(x, o, argc, argv);         
            max_jit_attr_args(x, argc, argv);
        } 
        else {
            jit_object_error((t_object*)x, "jit.simple: could not allocate object");
            freeobject((t_object*)x);
            x = NULL;
        }
    }
    return (x);
}


void max_jit_simple_free(t_max_jit_simple *x)
{
    max_jit_mop_free(x);
    jit_object_free(max_jit_obex_jitob_get(x));
    max_jit_obex_free(x);
}

Copyright © 2008, Cycling '74