1 files changed, 166 insertions, 0 deletions
diff --git a/modules/image_basic/pdp_plasma.c b/modules/image_basic/pdp_plasma.c
new file mode 100644
index 0000000..78d886c
--- /dev/null
+++ b/modules/image_basic/pdp_plasma.c
@@ -0,0 +1,166 @@
+/*
+ *   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_plasma_struct
+{
+    t_pdp_imagebase x_base;
+
+    int x_packet0;
+    t_outlet *x_outlet0;
+    void *x_plasmagen;
+    
+    t_symbol *x_type;
+
+    unsigned int x_width;
+    unsigned int x_height;
+ 
+} t_pdp_plasma;
+
+
+
+void pdp_plasma_type(t_pdp_plasma *x, t_symbol *s)
+{
+    x->x_type = s;
+}
+
+
+void pdp_plasma_random(t_pdp_plasma *x, t_floatarg seed)
+{
+    if (seed == 0.0f) seed = (float)random();
+    pdp_imageproc_plasma_setseed(x->x_plasmagen, seed);
+
+}
+
+void pdp_plasma_turbulence(t_pdp_plasma *x, t_floatarg f)
+{
+    pdp_imageproc_plasma_setturbulence(x->x_plasmagen, f);
+
+}
+
+/* called inside pdp thread */
+static void pdp_plasma_process(t_pdp_plasma *x)
+{
+    /* seed the 16 bit rng with a new random number from the clib */
+    pdp_plasma_random(x, 0.0f);
+
+    /* create new packet */
+    if      (x->x_type == gensym("grey")) {x->x_packet0 = pdp_packet_new_image_grey(x->x_width, x->x_height);}
+    else if (x->x_type == gensym("yv12")) {x->x_packet0 = pdp_packet_new_image_YCrCb(x->x_width, x->x_height);}
+    else return;
+
+    /* call the image processor */
+    pdp_imageproc_dispatch_1buf(&pdp_imageproc_plasma_process, x->x_plasmagen, 
+				-1, x->x_packet0);
+}
+
+/* called inside pd thread: involves an outlet */
+static void pdp_plasma_postproc(t_pdp_plasma *x)
+{
+    pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
+}
+
+static void pdp_plasma_bang(t_pdp_plasma *x)
+{
+    pdp_base_bang(x);
+}
+
+static void pdp_plasma_dim(t_pdp_plasma *x, t_floatarg w, t_floatarg h)
+{
+    x->x_width  = pdp_imageproc_legalwidth((int)w);
+    x->x_height = pdp_imageproc_legalheight((int)h);
+    //post("dims %d %d",  x->x_width, x->x_height);
+}
+
+
+static void pdp_plasma_free(t_pdp_plasma *x)
+{
+    pdp_imagebase_free(x);
+
+    /* tidy up */
+    pdp_packet_mark_unused(x->x_packet0);
+    pdp_imageproc_plasma_delete(x->x_plasmagen);
+}
+
+t_class *pdp_plasma_class;
+
+
+void *pdp_plasma_new(void)
+{
+    int i;
+
+    t_pdp_plasma *x = (t_pdp_plasma *)pd_new(pdp_plasma_class);
+
+    pdp_imagebase_init(x);
+    pdp_base_disable_active_inlet(x);
+    pdp_base_set_process_method(x, (t_pdp_method)pdp_plasma_process);
+    pdp_base_set_postproc_method(x, (t_pdp_method)pdp_plasma_postproc);
+    
+    pdp_base_add_gen_inlet(x, gensym("float"), gensym("turbulence"));
+    x->x_outlet0 = pdp_base_add_pdp_outlet(x);
+    x->x_packet0 = -1;
+
+    x->x_width = 320;
+    x->x_height = 240;
+
+    x->x_plasmagen = pdp_imageproc_plasma_new();
+
+    pdp_plasma_random(x, 0.0f);
+    pdp_plasma_type(x, gensym("yv12"));
+    pdp_plasma_turbulence(x, 0.1);
+
+
+    return (void *)x;
+}
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+
+void pdp_plasma_setup(void)
+{
+
+
+    pdp_plasma_class = class_new(gensym("pdp_plasma"), (t_newmethod)pdp_plasma_new,
+    	(t_method)pdp_plasma_free, sizeof(t_pdp_plasma), 0, A_NULL);
+
+    pdp_imagebase_setup(pdp_plasma_class);
+
+    class_addmethod(pdp_plasma_class, (t_method)pdp_plasma_random, gensym("seed"), A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_plasma_class, (t_method)pdp_plasma_turbulence, gensym("turbulence"), A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_plasma_class, (t_method)pdp_plasma_type, gensym("type"), A_SYMBOL, A_NULL);
+    class_addmethod(pdp_plasma_class, (t_method)pdp_plasma_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL);
+    class_addmethod(pdp_plasma_class, (t_method)pdp_plasma_bang, gensym("bang"), A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif