526b5580da
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21070 a1c6a512-1295-4272-9138-f99709370657
85 lines
2 KiB
C
85 lines
2 KiB
C
#include <m_pd.h>
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/* ------------------ tabwrite: control ------------------------ */
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static t_class *tabwrite_class;
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typedef struct _tabwrite
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{
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t_object x_obj;
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t_symbol *x_arrayname;
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t_clock *x_clock;
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float x_ft1;
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double x_updtime;
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int x_set;
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} t_tabwrite;
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static void tabwrite_tick(t_tabwrite *x)
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{
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t_garray *a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class);
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if (!a) bug("tabwrite_tick");
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else garray_redraw(a);
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x->x_set = 0;
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x->x_updtime = clock_getsystime();
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}
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static void tabwrite_float(t_tabwrite *x, t_float f)
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{
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int i, vecsize;
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t_garray *a;
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t_sample *vec;
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if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
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pd_error(x, "%s: no such array", x->x_arrayname->s_name);
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else if (!garray_getfloatarray(a, &vecsize, &vec))
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pd_error(x, "%s: bad template for tabwrite", x->x_arrayname->s_name);
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else
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{
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int n = x->x_ft1;
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double timesince = clock_gettimesince(x->x_updtime);
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if (n < 0) n = 0;
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else if (n >= vecsize) n = vecsize-1;
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vec[n] = ftofix(f);
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if (timesince > 1000)
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{
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tabwrite_tick(x);
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}
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else
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{
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if (x->x_set == 0)
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{
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clock_delay(x->x_clock, 1000 - timesince);
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x->x_set = 1;
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}
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}
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}
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}
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static void tabwrite_set(t_tabwrite *x, t_symbol *s)
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{
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x->x_arrayname = s;
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}
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static void tabwrite_free(t_tabwrite *x)
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{
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clock_free(x->x_clock);
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}
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static void *tabwrite_new(t_symbol *s)
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{
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t_tabwrite *x = (t_tabwrite *)pd_new(tabwrite_class);
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x->x_ft1 = 0;
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x->x_arrayname = s;
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x->x_updtime = clock_getsystime();
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x->x_clock = clock_new(x, (t_method)tabwrite_tick);
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floatinlet_new(&x->x_obj, &x->x_ft1);
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return (x);
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}
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void tabwrite_setup(void)
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{
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tabwrite_class = class_new(gensym("tabwrite"), (t_newmethod)tabwrite_new,
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(t_method)tabwrite_free, sizeof(t_tabwrite), 0, A_DEFSYM, 0);
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class_addfloat(tabwrite_class, (t_method)tabwrite_float);
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class_addmethod(tabwrite_class, (t_method)tabwrite_set, gensym("set"), A_SYMBOL, 0);
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}
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