diff options
| author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2010-04-26 03:10:47 +0000 |
|---|---|---|
| committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 13:53:22 +0200 |
| commit | 8b0873392ad0db55fdb9d0cdfc670366bc96a9c9 (patch) | |
| tree | dfc09d2f2d60aac05d656906c3729348344da9d7 /src/limit.c | |
| parent | 534b4462f8efc240b8b3d76d56613f38d9a9fef4 (diff) | |
converted maxlib to use libdir template, in preparations for debianizing it
svn path=/trunk/externals/maxlib/; revision=13476
Diffstat (limited to 'src/limit.c')
| -rw-r--r-- | src/limit.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/limit.c b/src/limit.c deleted file mode 100644 index cf3d97a..0000000 --- a/src/limit.c +++ /dev/null @@ -1,125 +0,0 @@ -/* ------------------------- limit ------------------------------------------ */
-/* */
-/* limits input to lie within an output range. */
-/* Written by Olaf Matthes <olaf.matthes@gmx.de> */
-/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */
-/* */
-/* This program is free software; you can redistribute it and/or */
-/* modify it under the terms of the GNU General Public License */
-/* as published by the Free Software Foundation; either version 2 */
-/* of the License, or (at your option) any later version. */
-/* */
-/* This program is distributed in the hope that it will be useful, */
-/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
-/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
-/* GNU General Public License for more details. */
-/* */
-/* You should have received a copy of the GNU General Public License */
-/* along with this program; if not, write to the Free Software */
-/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-/* */
-/* Based on PureData by Miller Puckette and others. */
-/* */
-/* ---------------------------------------------------------------------------- */
-
-#include "m_pd.h"
-#include <stdio.h>
-#include <math.h>
-
-static char *version = "limit v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-typedef struct limit
-{
- t_object x_ob;
- t_float x_ol; /* low border of output range */
- t_float x_oh; /* high border of output range */
- t_float x_ratio; /* 'compression ratio' */
- t_outlet *x_outlet1; /* result */
- t_float x_f;
-} t_limit;
-
-static void limit_float(t_limit *x, t_floatarg f)
-{
- if(x->x_oh < x->x_ol) /* swap values */
- {
- int i = x->x_oh;
- x->x_oh = x->x_ol;
- x->x_ol = i;
- }
- if(x->x_ratio == 0) /* 'clip' mode */
- {
- if(f > x->x_oh)f = x->x_oh;
- else if(f < x->x_ol)f = x->x_ol;
- }
- else /* 'compress' mode */
- {
- int diff;
- if(f > x->x_oh)
- {
- diff = f - x->x_oh;
- f = x->x_oh + (diff / x->x_ratio);
- }
- else if(f < x->x_ol)
- {
- diff = x->x_ol - f;
- f = x->x_ol - (diff / x->x_ratio);
- }
- }
- outlet_float(x->x_outlet1, f);
- x->x_f = f;
-}
-
-static void limit_bang(t_limit *x)
-{
- limit_float(x, x->x_f); /* recalculate result */
-}
-
-static t_class *limit_class;
-
-static void *limit_new(t_floatarg fol, t_floatarg foh, t_floatarg fr)
-{
- t_limit *x = (t_limit *)pd_new(limit_class);
-
- floatinlet_new(&x->x_ob, &x->x_ol);
- floatinlet_new(&x->x_ob, &x->x_oh);
- floatinlet_new(&x->x_ob, &x->x_ratio);
-
- x->x_outlet1 = outlet_new(&x->x_ob, gensym("float"));
-
- /* default values taken from Max's limit */
- x->x_ol = fol;
- x->x_oh = foh;
- if(x->x_oh < x->x_ol) /* swap values */
- {
- int i = x->x_oh;
- x->x_oh = x->x_ol;
- x->x_ol = i;
- }
- x->x_ratio = fr;
- x->x_f = 0;
-
- return (void *)x;
-}
-
-#ifndef MAXLIB
-void limit_setup(void)
-{
- limit_class = class_new(gensym("limit"), (t_newmethod)limit_new,
- 0, sizeof(t_limit), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
-#else
-void maxlib_limit_setup(void)
-{
- limit_class = class_new(gensym("maxlib_limit"), (t_newmethod)limit_new,
- 0, sizeof(t_limit), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)limit_new, gensym("limit"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
-#endif
- class_addfloat(limit_class, limit_float);
- class_addbang(limit_class, limit_bang);
-#ifndef MAXLIB
-
- post(version);
-#else
- class_sethelpsymbol(limit_class, gensym("maxlib/limit-help.pd"));
-#endif
-}
-
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