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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_gt_scalar ------------------------------ */
typedef struct _tab_gt_scalar
{
t_object x_obj;
int x_size_src1;
int x_size_dst;
int x_offset_src1;
int x_offset_dst;
t_float *x_beg_mem_src1;
t_float *x_beg_mem_dst;
t_symbol *x_sym_scr1;
t_symbol *x_sym_dst;
} t_tab_gt_scalar;
static t_class *tab_gt_scalar_class;
static void tab_gt_scalar_src(t_tab_gt_scalar *x, t_symbol *s)
{
x->x_sym_scr1 = s;
}
static void tab_gt_scalar_float(t_tab_gt_scalar *x, t_floatarg compare)
{
int i, n;
int ok_src1, ok_dst;
t_float *vec_src1, *vec_dst;
ok_src1 = iem_tab_check_arrays(gensym("tab_gt_scalar"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
ok_dst = iem_tab_check_arrays(gensym("tab_gt_scalar"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
if(ok_src1 && ok_dst)
{
if(x->x_size_src1 < x->x_size_dst)
n = x->x_size_src1;
else
n = x->x_size_dst;
vec_src1 = x->x_beg_mem_src1;
vec_dst = x->x_beg_mem_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
{
if(vec_src1[i] > compare)
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_gt_scalar_dst(t_tab_gt_scalar *x, t_symbol *s)
{
x->x_sym_dst = s;
}
static void tab_gt_scalar_list(t_tab_gt_scalar *x, t_symbol *s, int argc, t_atom *argv)
{
int beg_src1, beg_dst;
int i, n;
int ok_src1, ok_dst;
t_float *vec_src1, *vec_dst, compare;
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_dst = (int)atom_getintarg(1, argc, argv);
n = (int)atom_getintarg(2, argc, argv);
compare = (t_float)atom_getfloatarg(3, argc, argv);
if(beg_src1 < 0)
beg_src1 = 0;
if(beg_dst < 0)
beg_dst = 0;
if(n < 0)
n = 0;
ok_src1 = iem_tab_check_arrays(gensym("tab_gt_scalar"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src1+n);
ok_dst = iem_tab_check_arrays(gensym("tab_gt_scalar"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
if(ok_src1 && ok_dst)
{
vec_src1 = x->x_beg_mem_src1 + beg_src1;
vec_dst = x->x_beg_mem_dst + beg_dst;
if(n)
{
t_garray *a;
for(i=0; i<n; i++)
{
if(vec_src1[i] > compare)
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_gt_scalar-ERROR: list need 4 float arguments:");
post(" source1_offset + destination_offset + number_of_samples_to_compare + compare_scalar");
}
}
static void tab_gt_scalar_free(t_tab_gt_scalar *x)
{
}
static void *tab_gt_scalar_new(t_symbol *s, int argc, t_atom *argv)
{
t_tab_gt_scalar *x = (t_tab_gt_scalar *)pd_new(tab_gt_scalar_class);
t_symbol *src1, *dst;
if((argc >= 2) &&
IS_A_SYMBOL(argv,0) &&
IS_A_SYMBOL(argv,1))
{
src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
dst = (t_symbol *)atom_getsymbolarg(1, argc, argv);
}
else if((argc >= 1) &&
IS_A_SYMBOL(argv,0))
{
src1 = (t_symbol *)atom_getsymbolarg(0, argc, argv);
dst = src1;
}
else
{
post("tab_gt_scalar-ERROR: need 2 symbol arguments:");
post(" source_array_name + destination_array_name");
return(0);
}
x->x_sym_scr1 = src1;
x->x_sym_dst = dst;
outlet_new(&x->x_obj, &s_bang);
return(x);
}
void tab_gt_scalar_setup(void)
{
tab_gt_scalar_class = class_new(gensym("tab_gt_scalar"), (t_newmethod)tab_gt_scalar_new, (t_method)tab_gt_scalar_free,
sizeof(t_tab_gt_scalar), 0, A_GIMME, 0);
class_addfloat(tab_gt_scalar_class, (t_method)tab_gt_scalar_float);
class_addlist(tab_gt_scalar_class, (t_method)tab_gt_scalar_list);
class_addmethod(tab_gt_scalar_class, (t_method)tab_gt_scalar_src, gensym("src1"), A_DEFSYMBOL, 0);
class_addmethod(tab_gt_scalar_class, (t_method)tab_gt_scalar_src, gensym("src"), A_DEFSYMBOL, 0);
class_addmethod(tab_gt_scalar_class, (t_method)tab_gt_scalar_dst, gensym("dst"), A_DEFSYMBOL, 0);
// class_sethelpsymbol(tab_gt_scalar_class, gensym("iemhelp2/tab_gt_scalar-help"));
}
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