diff options
Diffstat (limited to 'src/tab_gt_scalar.c')
| -rw-r--r-- | src/tab_gt_scalar.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/tab_gt_scalar.c b/src/tab_gt_scalar.c new file mode 100644 index 0000000..f779ba6 --- /dev/null +++ b/src/tab_gt_scalar.c @@ -0,0 +1,183 @@ +/* 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 - 2005 */ + +#ifdef NT +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + + +#include "m_pd.h" +#include "iemlib.h" +#include "iem_tab.h" +#include <math.h> +#include <stdio.h> +#include <string.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; + float *x_beg_mem_src1; + 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")); +} |