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/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_tab written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2009 */
#include "m_pd.h"
#include "iemlib.h"
#include "iem_tab.h"
/* -------------------------- tab_const ------------------------------ */
/* x_beg_mem_dst[i] = c */
typedef struct _tab_const
{
t_object x_obj;
int x_size_dst;
int x_offset_dst;
t_float x_const;
iemarray_t *x_beg_mem_dst;
t_symbol *x_sym_dst;
} t_tab_const;
static t_class *tab_const_class;
static void tab_const_dst(t_tab_const *x, t_symbol *s)
{
x->x_sym_dst = s;
}
static void tab_const_bang(t_tab_const *x)
{
int i, n;
int ok_dst;
iemarray_t *vec_dst;
ok_dst = iem_tab_check_arrays(gensym("tab_const"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
if(ok_dst)
{
n = x->x_size_dst;
vec_dst = x->x_beg_mem_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
iemarray_setfloat(vec_dst, i, 0.0);
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
static void tab_const_float(t_tab_const *x, t_floatarg c)
{
int i, n;
int ok_dst;
iemarray_t *vec_dst;
ok_dst = iem_tab_check_arrays(gensym("tab_const"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
if(ok_dst)
{
n = x->x_size_dst;
vec_dst = x->x_beg_mem_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
iemarray_setfloat(vec_dst, i, c);
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
static void tab_const_list(t_tab_const *x, t_symbol *s, int argc, t_atom *argv)
{
int beg_dst;
int i, n;
int ok_dst;
iemarray_t *vec_dst;
t_float c;
if((argc >= 3) &&
IS_A_FLOAT(argv,0) &&
IS_A_FLOAT(argv,1) &&
IS_A_FLOAT(argv,2))
{
beg_dst = (int)atom_getintarg(0, argc, argv);
n = (int)atom_getintarg(1, argc, argv);
c = (t_float)atom_getfloatarg(2, argc, argv);
if(beg_dst < 0)
beg_dst = 0;
if(n < 0)
n = 0;
ok_dst = iem_tab_check_arrays(gensym("tab_const"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
if(ok_dst)
{
vec_dst = x->x_beg_mem_dst + beg_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
iemarray_setfloat(vec_dst, i, c);
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
else
{
post("tab_const-ERROR: list need 3 float arguments:");
post(" destination_offset + number_of_samples_to_copy + constant-value");
}
}
static void tab_const_free(t_tab_const *x)
{
}
static void *tab_const_new(t_symbol *s, int argc, t_atom *argv)
{
t_tab_const *x = (t_tab_const *)pd_new(tab_const_class);
t_symbol *dst;
if((argc >= 1) &&
IS_A_SYMBOL(argv,0))
{
dst = (t_symbol *)atom_getsymbolarg(0, argc, argv);
}
else
{
post("tab_const-ERROR: need 1 symbol argument:");
post(" destination_array_name");
return(0);
}
x->x_sym_dst = dst;
outlet_new(&x->x_obj, &s_bang);
return(x);
}
void tab_const_setup(void)
{
tab_const_class = class_new(gensym("tab_const"), (t_newmethod)tab_const_new, (t_method)tab_const_free,
sizeof(t_tab_const), 0, A_GIMME, 0);
class_addbang(tab_const_class, (t_method)tab_const_bang);
class_addfloat(tab_const_class, (t_method)tab_const_float);
class_addlist(tab_const_class, (t_method)tab_const_list);
class_addmethod(tab_const_class, (t_method)tab_const_dst, gensym("dst"), A_DEFSYMBOL, 0);
}
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