1 files changed, 79 insertions, 0 deletions
diff --git a/system/pdbase/pdp_imagebase.c b/system/pdbase/pdp_imagebase.c
new file mode 100644
index 0000000..f9634e1
--- /dev/null
+++ b/system/pdbase/pdp_imagebase.c
@@ -0,0 +1,79 @@
+/*
+ *   Pure Data Packet image processor base class implementation.
+ *   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.
+ *
+ */
+
+
+/*
+
+  This file contains the pdp image base class object.
+*/
+
+#include "pdp_imagebase.h"
+#include <stdarg.h>
+
+
+static void pdp_imagebase_chanmask(t_pdp_base *b, t_floatarg f)
+{
+    int i = (int)f;
+    if (i < 0) i = -1;
+    b->b_channel_mask = i;
+}
+
+void pdp_imagebase_setup(t_class *c)
+{
+    /* parent class setup */
+    pdp_base_setup(c);
+
+     /* add pdp base class methods */
+    class_addmethod(c, (t_method)pdp_imagebase_chanmask, gensym("chanmask"), A_FLOAT, A_NULL);
+
+}
+
+/* pdp base instance constructor */
+void pdp_imagebase_init(void *x)
+{
+    int i;
+    t_pdp_imagebase *b = (t_pdp_imagebase *)x;
+
+    /* init super */
+    pdp_base_init(x);
+
+    /* convert all active incoming packet types to image */
+    pdp_base_set_type_template(x, 0, pdp_gensym("image/*/*"));
+
+    /* default chanmask == all */
+    b->b_channel_mask = -1;
+
+}
+
+/* base instance destructor */
+void pdp_imagebase_free(void *x)
+{
+    /* free super */
+    pdp_base_free(x);
+
+}
+
+/* chanmask getter */
+u32 pdp_imagebase_get_chanmask(void *x)
+{
+    t_pdp_base *b = (t_pdp_base *)x;
+    return b->b_channel_mask;
+}
+