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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_reverse ------------------------------ */
typedef struct _tab_reverse
{
t_object x_obj;
int x_size_src1;
int x_size_dst;
int x_offset_src1;
int x_offset_dst;
iemarray_t *x_beg_mem_src1;
iemarray_t *x_beg_mem_dst;
t_symbol *x_sym_scr1;
t_symbol *x_sym_dst;
} t_tab_reverse;
static t_class *tab_reverse_class;
static void tab_reverse_src(t_tab_reverse *x, t_symbol *s)
{
x->x_sym_scr1 = s;
}
static void tab_reverse_dst(t_tab_reverse *x, t_symbol *s)
{
x->x_sym_dst = s;
}
static void tab_reverse_bang(t_tab_reverse *x)
{
int i, j, n, n2;
int ok_src, ok_dst;
iemarray_t *vec_src, *vec_dst;
t_float f;
ok_src = iem_tab_check_arrays(gensym("tab_reverse"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
ok_dst = iem_tab_check_arrays(gensym("tab_reverse"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, 0);
if(ok_src && ok_dst)
{
if(x->x_size_src1 < x->x_size_dst)
n = x->x_size_src1;
else
n = x->x_size_dst;
vec_src = x->x_beg_mem_src1;
vec_dst = x->x_beg_mem_dst;
n2 = n/2;
if(n)
{
t_garray *a;
for(i=0, j=n-1; i<n2; i++, j--)
{
f = iemarray_getfloat(vec_src, i);
iemarray_setfloat(vec_dst, i, iemarray_getfloat(vec_src, j));
iemarray_setfloat(vec_dst, j, f);
}
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
static void tab_reverse_list(t_tab_reverse *x, t_symbol *s, int argc, t_atom *argv)
{
int beg_src, beg_dst;
int i, j, n, n2;
int ok_src, ok_dst;
iemarray_t *vec_src, *vec_dst;
t_float f;
if((argc >= 3) &&
IS_A_FLOAT(argv,0) &&
IS_A_FLOAT(argv,1) &&
IS_A_FLOAT(argv,2))
{
beg_src = (int)atom_getintarg(0, argc, argv);
beg_dst = (int)atom_getintarg(1, argc, argv);
n = (int)atom_getintarg(2, argc, argv);
if(beg_src < 0)
beg_src = 0;
if(beg_dst < 0)
beg_dst = 0;
if(n < 0)
n = 0;
ok_src = iem_tab_check_arrays(gensym("tab_reverse"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, beg_src+n);
ok_dst = iem_tab_check_arrays(gensym("tab_reverse"), x->x_sym_dst, &x->x_beg_mem_dst, &x->x_size_dst, beg_dst+n);
if(ok_src && ok_dst)
{
vec_src = x->x_beg_mem_src1 + beg_src;
vec_dst = x->x_beg_mem_dst + beg_dst;
n2 = n/2;
if(n)
{
t_garray *a;
for(i=0, j=n-1; i<n2; i++, j--)
{
f = iemarray_getfloat(vec_src, i);
iemarray_setfloat(vec_dst, i, iemarray_getfloat(vec_src, j));
iemarray_setfloat(vec_dst, j, f);
}
outlet_bang(x->x_obj.ob_outlet);
a = (t_garray *)pd_findbyclass(x->x_sym_dst, garray_class);
garray_redraw(a);
}
}
}
else
{
post("tab_reverse-ERROR: list need 3 float arguments:");
post(" source_offset + destination_offset + number_of_samples_to_copy");
}
}
static void tab_reverse_free(t_tab_reverse *x)
{
}
static void *tab_reverse_new(t_symbol *s, int argc, t_atom *argv)
{
t_tab_reverse *x = (t_tab_reverse *)pd_new(tab_reverse_class);
t_symbol *src, *dst;
if((argc >= 2) &&
IS_A_SYMBOL(argv,0) &&
IS_A_SYMBOL(argv,1))
{
src = (t_symbol *)atom_getsymbolarg(0, argc, argv);
dst = (t_symbol *)atom_getsymbolarg(1, argc, argv);
}
else if((argc >= 1) &&
IS_A_SYMBOL(argv,0))
{
src = (t_symbol *)atom_getsymbolarg(0, argc, argv);
dst = src;
}
else
{
post("tab_reverse-ERROR: need 2 symbols arguments:");
post(" source_array_name + destination_array_name");
return(0);
}
x->x_sym_scr1 = src;
x->x_sym_dst = dst;
outlet_new(&x->x_obj, &s_bang);
return(x);
}
void tab_reverse_setup(void)
{
tab_reverse_class = class_new(gensym("tab_reverse"), (t_newmethod)tab_reverse_new, (t_method)tab_reverse_free,
sizeof(t_tab_reverse), 0, A_GIMME, 0);
class_addbang(tab_reverse_class, (t_method)tab_reverse_bang);
class_addlist(tab_reverse_class, (t_method)tab_reverse_list);
class_addmethod(tab_reverse_class, (t_method)tab_reverse_src, gensym("src"), A_DEFSYMBOL, 0);
class_addmethod(tab_reverse_class, (t_method)tab_reverse_src, gensym("src1"), A_DEFSYMBOL, 0);
class_addmethod(tab_reverse_class, (t_method)tab_reverse_dst, gensym("dst"), A_DEFSYMBOL, 0);
// class_sethelpsymbol(tab_reverse_class, gensym("iemhelp2/tab_reverse-help"));
}
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