This commit was generated by cvs2svn to compensate for changes in r6421,

which included commits to RCS files with non-trunk default branches.

svn path=/trunk/externals/ekext/; revision=6422

1 files changed, 118 insertions, 0 deletions

diff --git a/maskxor/maskxor.c b/maskxor/maskxor.c
new file mode 100755
index 0000000..b75379f
--- /dev/null
+++ b/maskxor/maskxor.c
@@ -0,0 +1,118 @@
+#include "m_pd.h"
+#include <math.h>
+#define MAXENTRIES 512
+
+static t_class *maskxor_class;
+
+typedef struct _mask
+{
+  t_atom maskxor[MAXENTRIES];
+  t_atom maskl[MAXENTRIES];
+  t_atom maskr[MAXENTRIES];
+} t_mask;
+
+typedef struct _maskxor
+{
+  t_object x_obj;
+  t_mask masking;
+  t_float total;
+  t_float f_in, yes;
+  t_outlet *thru, *bool, *mask;
+} t_maskxor;
+
+void maskxor_float(t_maskxor *x, t_floatarg fin)
+{
+  int input = (int)fin;
+  if(input>=0 && input<MAXENTRIES)
+    {
+      x->f_in = fin;
+      x->yes = atom_getfloatarg(input, MAXENTRIES, x->masking.maskxor);
+      outlet_float(x->bool, x->yes);
+      if(x->yes) outlet_float(x->thru, x->f_in);
+    }
+}
+
+void maskxor_bang(t_maskxor *x, t_symbol *s)
+{
+  outlet_list(x->mask, &s_list, x->total, x->masking.maskxor);
+  outlet_float(x->bool, x->yes);
+  if(x->yes)outlet_float(x->thru, x->f_in);
+}
+
+void maskxor_listl(t_maskxor *x, t_symbol *s, int argc, t_atom *argv)
+{
+  int i;
+  float listr_element, listl_element, xor_element;
+  if(x->total < argc && argc < MAXENTRIES) x->total = argc;
+  for(i=0;i<x->total;i++)
+    {
+      listl_element = atom_getfloat(argv+i);
+      SETFLOAT(&x->masking.maskl[i], listl_element);
+      listr_element = atom_getfloatarg(i,MAXENTRIES,x->masking.maskr); 
+      xor_element = (float)((int)listl_element ^ (int)listr_element);
+      SETFLOAT(&x->masking.maskxor[i], xor_element);
+    }
+  outlet_list(x->mask, &s_list, x->total, x->masking.maskxor);
+}
+
+void maskxor_listr(t_maskxor *x, t_symbol *s, int argc, t_atom *argv)
+{
+  int i;
+  float listr_element;
+  if(x->total < argc && argc < MAXENTRIES) 
+    {
+      x->total = argc;
+    }
+  for(i=0;i<x->total;i++)
+    {
+      listr_element = atom_getfloat(argv+i);
+      SETFLOAT(&x->masking.maskr[i], listr_element);
+    }
+}
+
+void maskxor_clear(t_maskxor *x)
+{
+  int i;
+  for(i=0;i<=MAXENTRIES;i++)
+    {
+      SETFLOAT(&x->masking.maskl[i], 0);
+      SETFLOAT(&x->masking.maskr[i], 0);
+      SETFLOAT(&x->masking.maskxor[i], 0);
+    }
+  x->total=1;
+  x->yes = x->f_in = 0;
+}
+
+void *maskxor_new(t_symbol *s)
+{
+  int i;
+  t_maskxor *x = (t_maskxor *)pd_new(maskxor_class);
+  x->total = 1;
+  for(i=0;i<MAXENTRIES;i++)
+    {
+      SETFLOAT(&x->masking.maskr[i], 0);
+      SETFLOAT(&x->masking.maskl[i], 0);
+      SETFLOAT(&x->masking.maskxor[i], 0);
+    }
+  x->thru = outlet_new(&x->x_obj, &s_float);
+  x->bool = outlet_new(&x->x_obj, &s_float);
+  x->mask = outlet_new(&x->x_obj, &s_list);
+  return (void *)x;
+}
+
+void maskxor_setup(void) 
+{
+  maskxor_class = class_new(gensym("maskxor"),
+  (t_newmethod)maskxor_new,
+  0, sizeof(t_maskxor),
+  CLASS_DEFAULT, A_DEFFLOAT, 0);
+  post("|..-.--.-..-maskxor.-...--.-..|");
+  post("|    exclusive-or mask-map    |");
+  post("|.--.- Edward Kelly 2006 ---.-|");
+  class_sethelpsymbol(maskxor_class, gensym("help-maskxor"));
+  class_addfloat(maskxor_class, maskxor_float);
+  class_addmethod(maskxor_class, (t_method)maskxor_listl, gensym("listl"), A_GIMME, 0, 0);
+  class_addmethod(maskxor_class, (t_method)maskxor_listr, gensym("listr"), A_GIMME, 0, 0);
+  class_addbang(maskxor_class, (t_method)maskxor_bang);
+  class_addmethod(maskxor_class, (t_method)maskxor_clear, gensym("clear"), A_DEFFLOAT, 0);
+}