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-rw-r--r--src/tab16read.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/tab16read.c b/src/tab16read.c
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+++ b/src/tab16read.c
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+/* copyleft (c) 2003 forum::für::umläute -- IOhannes m zmölnig @ IEM
+ * based on d_array.c from pd:
+ * Copyright (c) 1997-1999 Miller Puckette and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
+
+/* tab16read, tab16read4, tab16write */
+
+#include "iem16_table.h"
+
+/* ---------- tab16read: control, non-interpolating ------------------------ */
+
+static t_class *tab16read_class;
+
+typedef struct _tab16read{
+ t_object x_obj;
+ t_symbol *x_arrayname;
+} t_tab16read;
+
+static void tab16read_float(t_tab16read *x, t_float f){
+ t_table16 *a;
+ int npoints;
+ t_iem16_16bit *vec;
+
+ if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class)))
+ error("%s: no such array", x->x_arrayname->s_name);
+ else if (!table16_getarray16(a, &npoints, &vec))
+ error("%s: bad template for tab16read", x->x_arrayname->s_name);
+ else {
+ int n = f;
+ if (n < 0) n = 0;
+ else if (n >= npoints) n = npoints - 1;
+ outlet_float(x->x_obj.ob_outlet, (npoints ? vec[n] : 0));
+ }
+}
+
+static void tab16read_set(t_tab16read *x, t_symbol *s){
+ x->x_arrayname = s;
+}
+
+static void *tab16read_new(t_symbol *s){
+ t_tab16read *x = (t_tab16read *)pd_new(tab16read_class);
+ x->x_arrayname = s;
+ outlet_new(&x->x_obj, gensym("float"));
+ return (x);
+}
+
+void tab16read_setup(void){
+ tab16read_class = class_new(gensym("tab16read"), (t_newmethod)tab16read_new,
+ 0, sizeof(t_tab16read), 0, A_DEFSYM, 0);
+ class_addfloat(tab16read_class, (t_method)tab16read_float);
+ class_addmethod(tab16read_class, (t_method)tab16read_set, gensym("set"),
+ A_SYMBOL, 0);
+}