aboutsummaryrefslogtreecommitdiff
path: root/src/tab_ge_scalar.c
blob: 53a88c728bf5635abf15f304437487ea62cc7127 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
/* 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_ge_scalar ------------------------------ */
/*  if(x_beg_mem_src1[i] >= compare)   */
/*    x_beg_mem_dst[i] = 1.0f;      */
/*  else                            */
/*    x_beg_mem_dst[i] += 0.0f;     */

typedef struct _tab_ge_scalar
{
  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_ge_scalar;

static t_class *tab_ge_scalar_class;

static void tab_ge_scalar_src(t_tab_ge_scalar *x, t_symbol *s)
{
  x->x_sym_scr1 = s;
}

static void tab_ge_scalar_float(t_tab_ge_scalar *x, t_floatarg compare)
{
  int i, n;
  int ok_src1, ok_dst;
  iemarray_t *vec_src1, *vec_dst;
  
  ok_src1 = iem_tab_check_arrays(gensym("tab_ge_scalar"), x->x_sym_scr1, &x->x_beg_mem_src1, &x->x_size_src1, 0);
  ok_dst = iem_tab_check_arrays(gensym("tab_ge_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(iemarray_getfloat(vec_src1, i) >= compare)
          iemarray_setfloat(vec_dst, i, 1.0f);
        else
          iemarray_setfloat(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_ge_scalar_dst(t_tab_ge_scalar *x, t_symbol *s)
{
  x->x_sym_dst = s;
}

static void tab_ge_scalar_list(t_tab_ge_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 compare;
  iemarray_t *vec_src1, *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_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_ge_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_ge_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(iemarray_getfloat(vec_src1, i) >= compare)
            iemarray_setfloat(vec_dst, i, 1.0f);
          else
            iemarray_setfloat(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_ge_scalar-ERROR: list need 4 float arguments:");
    post("  source1_offset + destination_offset + number_of_samples_to_compare + compare_scalar");
  }
}

static void tab_ge_scalar_free(t_tab_ge_scalar *x)
{
}

static void *tab_ge_scalar_new(t_symbol *s, int argc, t_atom *argv)
{
  t_tab_ge_scalar *x = (t_tab_ge_scalar *)pd_new(tab_ge_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_ge_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_ge_scalar_setup(void)
{
  tab_ge_scalar_class = class_new(gensym("tab_ge_scalar"), (t_newmethod)tab_ge_scalar_new, (t_method)tab_ge_scalar_free,
    sizeof(t_tab_ge_scalar), 0, A_GIMME, 0);
  class_addfloat(tab_ge_scalar_class, (t_method)tab_ge_scalar_float);
  class_addlist(tab_ge_scalar_class, (t_method)tab_ge_scalar_list);
  class_addmethod(tab_ge_scalar_class, (t_method)tab_ge_scalar_src, gensym("src1"), A_DEFSYMBOL, 0);
  class_addmethod(tab_ge_scalar_class, (t_method)tab_ge_scalar_src, gensym("src"), A_DEFSYMBOL, 0);
  class_addmethod(tab_ge_scalar_class, (t_method)tab_ge_scalar_dst, gensym("dst"), A_DEFSYMBOL, 0);
//  class_sethelpsymbol(tab_ge_scalar_class, gensym("iemhelp2/tab_ge_scalar-help"));
}