1 files changed, 111 insertions, 0 deletions
diff --git a/modules/image_basic/pdp_gain.c b/modules/image_basic/pdp_gain.c
new file mode 100644
index 0000000..c36f758
--- /dev/null
+++ b/modules/image_basic/pdp_gain.c
@@ -0,0 +1,111 @@
+/*
+ *   Pure Data Packet module.
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_imagebase.h"
+
+
+typedef struct pdp_gain_struct
+{
+    t_pdp_imagebase x_base;
+    void *x_gain;
+
+} t_pdp_gain;
+
+
+
+
+static void pdp_gain_process(t_pdp_gain *x)
+{
+    int p = pdp_base_get_packet(x, 0);
+    u32 mask = pdp_imagebase_get_chanmask(x);
+
+    pdp_packet_image_set_chanmask(p, mask);
+    pdp_imageproc_dispatch_1buf(&pdp_imageproc_gain_process, x->x_gain, 0, p);
+    
+}
+
+
+static void pdp_gain_gain(t_pdp_gain *x, t_floatarg f)
+{
+    pdp_imageproc_gain_setgain(x->x_gain, f);
+}
+
+
+
+t_class *pdp_gain_class;
+
+
+
+void pdp_gain_free(t_pdp_gain *x)
+{
+    pdp_imagebase_free(x);
+    pdp_imageproc_gain_delete(x->x_gain);
+}
+
+void *pdp_gain_new(t_floatarg f)
+{
+    t_pdp_gain *x = (t_pdp_gain *)pd_new(pdp_gain_class);
+
+    /* super init */
+    pdp_imagebase_init(x);
+
+    /* no arg, or zero -> gain = 1 */
+    if (f==0.0f) f = 1.0f;
+
+
+    /* io */
+    pdp_base_add_gen_inlet(x, gensym("float"), gensym("gain"));
+    pdp_base_add_pdp_outlet(x);
+
+    /* callbacks */
+    pdp_base_set_process_method(x, (t_pdp_method)pdp_gain_process);
+
+    x->x_gain = pdp_imageproc_gain_new();
+    pdp_gain_gain(x, f);
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_gain_setup(void)
+{
+
+
+    pdp_gain_class = class_new(gensym("pdp_gain"), (t_newmethod)pdp_gain_new,
+    	(t_method)pdp_gain_free, sizeof(t_pdp_gain), 0, A_DEFFLOAT, A_NULL);
+
+    pdp_imagebase_setup(pdp_gain_class);
+
+    class_addmethod(pdp_gain_class, (t_method)pdp_gain_gain, gensym("gain"),  A_DEFFLOAT, A_NULL);   
+
+}
+
+#ifdef __cplusplus
+}
+#endif