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Diffstat (limited to 'system/pdbase/pdp_imagebase.c')
-rw-r--r--system/pdbase/pdp_imagebase.c79
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
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--- /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;
+}
+