New in O.12.8

svn path=/trunk/externals/pidip/; revision=1076

1 files changed, 341 insertions, 0 deletions

diff --git a/modules/pdp_pen.c b/modules/pdp_pen.c
new file mode 100644
index 0000000..d682285
--- /dev/null
+++ b/modules/pdp_pen.c
@@ -0,0 +1,341 @@
+/*
+ *   PiDiP module.
+ *   Copyright (c) by Yves Degoyon (ydegoyon@free.fr)
+ *
+ *   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 object is a free hand drawing object 
+ *  Written by Yves Degoyon                                  
+ */
+
+
+
+#include "pdp.h"
+#include "yuv.h"
+#include <math.h>
+
+static char   *pdp_pen_version = "pdp_pen: version 0.1, free hand drawing object written by Yves Degoyon (ydegoyon@free.fr)";
+
+typedef struct pdp_pen_struct
+{
+    t_object x_obj;
+    t_float x_f;
+
+    t_outlet *x_outlet0;
+    t_int x_packet0;
+    t_int x_packet1;
+    t_int x_dropped;
+    t_int x_queue_id;
+
+    t_int x_vwidth;
+    t_int x_vheight;
+    t_int x_vsize;
+
+    t_int x_red;
+    t_int x_green;
+    t_int x_blue;
+    
+    t_int x_pwidth;
+    t_int x_mode;  // 0=draw ( default), 1=erase
+
+    short int *x_bdata;
+
+} t_pdp_pen;
+
+static void pdp_pen_allocate(t_pdp_pen *x, t_int newsize)
+{
+ int i;
+
+  if ( x->x_bdata ) freebytes( x->x_bdata, (( x->x_vsize + (x->x_vsize>>1))<<1));
+
+  x->x_vsize = newsize;
+  x->x_bdata = (short int *)getbytes((( x->x_vsize + (x->x_vsize>>1))<<1));
+  memset( x->x_bdata, 0x00, (( x->x_vsize + (x->x_vsize>>1))<<1) );
+}
+
+static void pdp_pen_draw(t_pdp_pen *x, t_floatarg X, t_floatarg Y)
+{
+ short int  *pbY, *pbU, *pbV;
+ t_int mx, Mx, my, My;
+ t_int px, py;
+
+  X = X*x->x_vwidth;
+  Y = Y*x->x_vheight;
+  // post( "pdp_pen : draw %f %f", X, Y );
+  if ( (X<0) || (X>x->x_vwidth) )
+  {
+     // post( "pdp_pen : draw : wrong X position : %f", X );
+     return;
+  }  
+  if ( (Y<0) || (Y>x->x_vheight) )
+  {
+     // post( "pdp_pen : draw : wrong Y position : %f", Y );
+     return;
+  }  
+  mx = (X-x->x_pwidth<0)?0:X-x->x_pwidth;
+  Mx = (X+x->x_pwidth>x->x_vwidth)?x->x_vwidth:X+x->x_pwidth;
+  my = (Y-x->x_pwidth<0)?0:Y-x->x_pwidth;
+  My = (Y+x->x_pwidth>x->x_vheight)?x->x_vheight:Y+x->x_pwidth;
+
+  pbY = x->x_bdata;
+  pbU = (x->x_bdata+x->x_vsize);
+  pbV = (x->x_bdata+x->x_vsize+(x->x_vsize>>2));
+  for ( px=mx; px<=Mx; px++ )
+  {
+    for ( py=my; py<=My; py++ )
+    {
+      if ( sqrt( pow( (px-X), 2 ) + pow( (py-Y), 2 ) ) < x->x_pwidth )
+      {
+       if ( x->x_mode == 0 )
+       {
+         *(pbY+py*x->x_vwidth+px) = 
+            (yuv_RGBtoY( (x->x_blue << 16) + (x->x_green << 8) + x->x_red ))<<7;
+         *(pbU+(py>>1)*(x->x_vwidth>>1)+(px>>1)) =
+            (yuv_RGBtoU( (x->x_blue << 16) + (x->x_green << 8) + x->x_red ))-128<<8;
+         *(pbV+(py>>1)*(x->x_vwidth>>1)+(px>>1)) =
+            (yuv_RGBtoV( (x->x_blue << 16) + (x->x_green << 8) + x->x_red ))-128<<8;
+       }
+       if ( x->x_mode == 1 )
+       {
+         *(pbY+py*x->x_vwidth+px) = 0;
+         *(pbU+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = 0;
+         *(pbV+(py>>1)*(x->x_vwidth>>1)+(px>>1)) = 0;
+       }
+      }
+    } 
+  }
+}
+
+static void pdp_pen_clear(t_pdp_pen *x)
+{
+  if ( x->x_vsize > 0 )
+  {
+    memset( x->x_bdata, 0x00, (( x->x_vsize + (x->x_vsize>>1))<<1) );
+  }
+}
+
+static void pdp_pen_width(t_pdp_pen *x, t_floatarg width)
+{
+  if ( width > 0 )
+  {
+    x->x_pwidth = (int) width;
+  }
+}
+
+static void pdp_pen_mode(t_pdp_pen *x, t_floatarg mode)
+{
+  if ( ( mode == 0. ) || ( mode == 1. ) )
+  {
+    x->x_mode = (int) mode;
+  }
+}
+
+static void pdp_pen_rgb(t_pdp_pen *x, t_floatarg r, t_floatarg g, t_floatarg b)
+{
+  if ( ( r >= 0. ) && ( r <= 255. ) &&
+       ( g >= 0. ) && ( g <= 255. ) &&
+       ( b >= 0. ) && ( b <= 255. ) ) 
+  {
+    x->x_red = (int) r;
+    x->x_green = (int) g;
+    x->x_blue = (int) b;
+    if ( ( r == 0. ) && ( g == 0.) && ( b == 0. ) )
+    {
+       x->x_red=1; 
+       x->x_green=1; 
+       x->x_blue=1;
+    }
+  }
+}
+
+static void pdp_pen_process_yv12(t_pdp_pen *x)
+{
+    t_pdp     *header = pdp_packet_header(x->x_packet0);
+    short int *data   = (short int *)pdp_packet_data(x->x_packet0);
+    t_pdp     *newheader = pdp_packet_header(x->x_packet1);
+    short int *newdata = (short int *)pdp_packet_data(x->x_packet1);
+    t_int      i;
+    t_int      px, py;
+    short int  *pY, *pU, *pV;
+    short int  *pbY, *pbU, *pbV;
+    short int  *pnY, *pnU, *pnV;
+
+    /* allocate all ressources */
+    if ( ((t_int)header->info.image.width != x->x_vwidth ) ||
+         ((t_int)header->info.image.height != x->x_vheight ) ) 
+    {
+        pdp_pen_allocate(x, header->info.image.width*header->info.image.height );
+        post( "pdp_pen : reallocating buffers" );
+    }
+
+    x->x_vwidth = header->info.image.width;
+    x->x_vheight = header->info.image.height;
+    x->x_vsize = x->x_vwidth*x->x_vheight;
+
+    newheader->info.image.encoding = header->info.image.encoding;
+    newheader->info.image.width = x->x_vwidth;
+    newheader->info.image.height = x->x_vheight;
+
+    if ( !x->x_bdata ) return;
+
+    memcpy( newdata, data, (( x->x_vsize + (x->x_vsize>>1))<<1) );
+
+    pY = data;
+    pU = (data+x->x_vsize);
+    pV = (data+x->x_vsize+(x->x_vsize>>2));
+    pbY = x->x_bdata;
+    pbU = (x->x_bdata+x->x_vsize);
+    pbV = (x->x_bdata+x->x_vsize+(x->x_vsize>>2));
+    pnY = newdata;
+    pnU = (newdata+x->x_vsize);
+    pnV = (newdata+x->x_vsize+(x->x_vsize>>2));
+
+    for(py=1; py<x->x_vheight; py++) 
+    {
+      for(px=0; px<x->x_vwidth; px++) 
+      {
+        if ( *(pbY+py*x->x_vwidth+px) != 0 )
+        {
+          *(pnY+py*x->x_vwidth+px) = *(pbY+py*x->x_vwidth+px);
+          *(pnU+(py>>1)*(x->x_vwidth>>1)+(px>>1)) =
+                  *(pbU+(py>>1)*(x->x_vwidth>>1)+(px>>1));
+          *(pnV+(py>>1)*(x->x_vwidth>>1)+(px>>1)) =
+                  *(pbV+(py>>1)*(x->x_vwidth>>1)+(px>>1));
+        }
+      } 
+    }
+
+    return;
+}
+
+static void pdp_pen_sendpacket(t_pdp_pen *x)
+{
+    /* release the packet */
+    pdp_packet_mark_unused(x->x_packet0);
+    x->x_packet0 = -1;
+
+    /* unregister and propagate if valid dest packet */
+    pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
+}
+
+static void pdp_pen_process(t_pdp_pen *x)
+{
+   int encoding;
+   t_pdp *header = 0;
+
+   /* check if image data packets are compatible */
+   if ( (header = pdp_packet_header(x->x_packet0))
+	&& (PDP_IMAGE == header->type))
+   {
+	/* pdp_pen_process inputs and write into active inlet */
+	switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+	case PDP_IMAGE_YV12:
+            x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
+            pdp_queue_add(x, pdp_pen_process_yv12, pdp_pen_sendpacket, &x->x_queue_id);
+	    break;
+
+	case PDP_IMAGE_GREY:
+	    // pdp_pen_process_packet(x);
+	    break;
+
+	default:
+	    /* don't know the type, so dont pdp_pen_process */
+	    break;
+	    
+	}
+    }
+}
+
+static void pdp_pen_input_0(t_pdp_pen *x, t_symbol *s, t_floatarg f)
+{
+    /* if this is a register_ro message or register_rw message, register with packet factory */
+
+    if (s== gensym("register_rw"))
+    {
+       x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("image/YCrCb/*") );
+    }
+
+    if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped))
+    {
+        /* add the process method and callback to the process queue */
+        pdp_pen_process(x);
+    }
+}
+
+static void pdp_pen_free(t_pdp_pen *x)
+{
+  int i;
+
+    pdp_queue_finish(x->x_queue_id);
+    pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_pen_class;
+
+void *pdp_pen_new(void)
+{
+    int i;
+
+    t_pdp_pen *x = (t_pdp_pen *)pd_new(pdp_pen_class);
+
+    x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); 
+
+    x->x_packet0 = -1;
+    x->x_packet1 = -1;
+    x->x_queue_id = -1;
+
+    x->x_bdata = NULL;
+    x->x_vsize = -1;
+
+    x->x_red = 255;
+    x->x_green = 255;
+    x->x_blue = 255;
+
+    x->x_pwidth = 3;
+    x->x_mode = 0;
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_pen_setup(void)
+{
+//    post( pdp_pen_version );
+    pdp_pen_class = class_new(gensym("pdp_pen"), (t_newmethod)pdp_pen_new,
+    	(t_method)pdp_pen_free, sizeof(t_pdp_pen), 0, A_NULL);
+    class_sethelpsymbol( pdp_pen_class, gensym("pdp_pen.pd") );
+
+    class_addmethod(pdp_pen_class, (t_method)pdp_pen_input_0, gensym("pdp"),  A_SYMBOL, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_pen_class, (t_method)pdp_pen_draw, gensym("draw"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_pen_class, (t_method)pdp_pen_clear, gensym("clear"), A_NULL);
+    class_addmethod(pdp_pen_class, (t_method)pdp_pen_width, gensym("width"), A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_pen_class, (t_method)pdp_pen_rgb, gensym("rgb"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_pen_class, (t_method)pdp_pen_mode, gensym("mode"), A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif