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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 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
#include "iem_tab.h"
/* -------------------------- tab_lt ------------------------------ */
typedef struct _tab_lt
{
t_object x_obj;
int x_size_src1;
int x_size_src2;
int x_size_dst;
int x_offset_src1;
int x_offset_src2;
int x_offset_dst;
t_float *x_beg_mem_src1;
t_float *x_beg_mem_src2;
t_float *x_beg_mem_dst;
t_symbol *x_sym_scr1;
t_symbol *x_sym_scr2;
t_symbol *x_sym_dst;
} t_tab_lt;
static t_class *tab_lt_class;
static void tab_lt_src1(t_tab_lt *x, t_symbol *s)
{
x->x_sym_scr1 = s;
}
static void tab_lt_src2(t_tab_lt *x, t_symbol *s)
{
x->x_sym_scr2 = s;
}
static void tab_lt_dst(t_tab_lt *x, t_symbol *s)
{
x->x_sym_dst = s;
}
static void tab_lt_bang(t_tab_lt *x)
{
int i, n;
int ok_src1, ok_src2, ok_dst;
t_float *vec_src1, *vec_src2, *vec_dst;
ok_src1 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
ok_src2 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr2, &x->x_beg_mem_src2, &x->x_size_src2, 0);
ok_dst = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
if(ok_src1 && ok_src2 && ok_dst)
{
if(x->x_size_src1 < x->x_size_dst)
n = x->x_size_src1;
else
n = x->x_size_dst;
if(x->x_size_src2 < n)
n = x->x_size_src2;
vec_src1 = x->x_beg_mem_src1;
vec_src2 = x->x_beg_mem_src2;
vec_dst = x->x_beg_mem_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
{
if(vec_src1[i] < vec_src2[i])
vec_dst[i] = 1.0f;
else
vec_dst[i] = 0.0f;
}
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
static void tab_lt_list(t_tab_lt *x, t_symbol *s, int argc, t_atom *argv)
{
int beg_src1, beg_src2, beg_dst;
int i, n;
int ok_src1, ok_src2, ok_dst;
t_float *vec_src1, *vec_src2, *vec_dst;
if((argc >= 4) &&
IS_A_FLOAT(argv,0) &&
IS_A_FLOAT(argv,1) &&
IS_A_FLOAT(argv,2) &&
IS_A_FLOAT(argv,3))
{
beg_src1 = (int)atom_getintarg(0, argc, argv);
beg_src2 = (int)atom_getintarg(1, argc, argv);
beg_dst = (int)atom_getintarg(2, argc, argv);
n = (int)atom_getintarg(3, argc, argv);
if(beg_src1 < 0)
beg_src1 = 0;
if(beg_src2 < 0)
beg_src2 = 0;
if(beg_dst < 0)
beg_dst = 0;
if(n < 0)
n = 0;
ok_src1 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src1+n);
ok_src2 = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_scr2, &x->x_beg_mem_src2, &x->x_size_src2, beg_src2+n);
ok_dst = iem_tab_check_arrays(gensym("tab_lt"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
if(ok_src1 && ok_src2 && ok_dst)
{
vec_src1 = x->x_beg_mem_src1 + beg_src1;
vec_src2 = x->x_beg_mem_src2 + beg_src2;
vec_dst = x->x_beg_mem_dst + beg_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
{
if(vec_src1[i] < vec_src2[i])
vec_dst[i] = 1.0f;
else
vec_dst[i] = 0.0f;
}
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
else
{
post("tab_lt-ERROR: list need 4 float arguments:");
post(" source1_offset + source2_offset + destination_offset + number_of_samples_to_compare");
}
}
static void tab_lt_free(t_tab_lt *x)
{
}
static void *tab_lt_new(t_symbol *s, int argc, t_atom *argv)
{
t_tab_lt *x = (t_tab_lt *)pd_new(tab_lt_class);
t_symbol *src1, *src2, *dst;
t_float time;
if((argc >= 3) &&
IS_A_SYMBOL(argv,0) &&
IS_A_SYMBOL(argv,1) &&
IS_A_SYMBOL(argv,2))
{
src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
src2 = (t_symbol *)atom_getsymbolarg(1, argc, argv);
dst = (t_symbol *)atom_getsymbolarg(2, argc, argv);
}
else if((argc >= 2) &&
IS_A_SYMBOL(argv,0) &&
IS_A_SYMBOL(argv,1))
{
src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
dst = src1;
src2 = (t_symbol *)atom_getsymbolarg(1, argc, argv);
}
else
{
post("tab_lt-ERROR: need 3 symbols arguments:");
post(" source1_array_name + source2_array_name + destination_array_name");
return(0);
}
x->x_sym_scr1 = src1;
x->x_sym_scr2 = src2;
x->x_sym_dst = dst;
outlet_new(&x->x_obj, &s_bang);
return(x);
}
void tab_lt_setup(void)
{
tab_lt_class = class_new(gensym("tab_lt"), (t_newmethod)tab_lt_new, (t_method)tab_lt_free,
sizeof(t_tab_lt), 0, A_GIMME, 0);
class_addbang(tab_lt_class, (t_method)tab_lt_bang);
class_addlist(tab_lt_class, (t_method)tab_lt_list);
class_addmethod(tab_lt_class, (t_method)tab_lt_src1, gensym("src1"), A_DEFSYMBOL, 0);
class_addmethod(tab_lt_class, (t_method)tab_lt_src2, gensym("src2"), A_DEFSYMBOL, 0);
class_addmethod(tab_lt_class, (t_method)tab_lt_dst, gensym("dst"), A_DEFSYMBOL, 0);
// class_sethelpsymbol(tab_lt_class, gensym("iemhelp2/tab_lt-help"));
}
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