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/*
* tabdump: get the content of a table as a list of floats
*
* (c) 1999-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "zexy.h"
/* =================== tabdump ====================== */
static t_class *tabdump_class;
typedef struct _tabdump {
t_object x_obj;
t_symbol *x_arrayname;
t_int startindex, stopindex;
} t_tabdump;
static void tabdump_bang(t_tabdump *x)
{
t_garray *A;
int npoints;
zarray_t *vec;
if (!(A = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class))) {
error("%s: no such array", x->x_arrayname->s_name);
} else if (!zarray_getarray(A, &npoints, &vec)) {
error("%s: bad template for tabdump", x->x_arrayname->s_name);
} else {
int n;
t_atom *atombuf;
int start=x->startindex;
int stop =x->stopindex;
if(start<0||start>stop) {
start=0;
}
if(stop<start||stop>npoints) {
stop=npoints;
}
npoints=stop-start;
atombuf = (t_atom *)getbytes(sizeof(t_atom)*npoints);
for (n = 0; n < npoints; n++) {
SETFLOAT(&atombuf[n], zarray_getfloat(vec, start+n));
}
outlet_list(x->x_obj.ob_outlet, gensym("list"), npoints, atombuf);
freebytes(atombuf,sizeof(t_atom)*npoints);
}
}
static void tabdump_list(t_tabdump *x, t_symbol* UNUSED(s),int argc,
t_atom*argv)
{
int a,b;
switch(argc) {
case 2:
a=atom_getint(argv);
b=atom_getint(argv+1);
x->startindex=(a<b)?a:b;
x->stopindex =(a>b)?a:b;
tabdump_bang(x);
break;
default:
error("tabdump: list must be 2 floats (is %d atoms)", argc);
}
}
static void tabdump_set(t_tabdump *x, t_symbol *s)
{
x->x_arrayname = s;
}
static void *tabdump_new(t_symbol *s)
{
t_tabdump *x = (t_tabdump *)pd_new(tabdump_class);
x->x_arrayname = s;
x->startindex=0;
x->stopindex=-1;
outlet_new(&x->x_obj, gensym("list"));
return (x);
}
static void tabdump_helper(void)
{
post("\n"HEARTSYMBOL" tabdump - object : dumps a table as a package of floats");
post("'set <table>'\t: read out another table\n"
"'bang'\t\t: dump the table\n"
"outlet\t\t: table-data as package of floats");
post("creation\t: \"tabdump <table>\"");
}
void tabdump_setup(void)
{
tabdump_class = class_new(gensym("tabdump"), (t_newmethod)tabdump_new,
0, sizeof(t_tabdump), 0, A_DEFSYM, 0);
class_addbang(tabdump_class, (t_method)tabdump_bang);
class_addlist(tabdump_class, (t_method)tabdump_list);
class_addmethod(tabdump_class, (t_method)tabdump_set, gensym("set"),
A_SYMBOL, 0);
class_addmethod(tabdump_class, (t_method)tabdump_helper, gensym("help"),
0);
zexy_register("tabdump");
}
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