added pdp_opencv_colorfilt

svn path=/trunk/externals/pdp_opencv/; revision=12386

4 files changed, 445 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index bb8f2da..3079b36 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ endif
 
 .SUFFIXES = $(EXTENSION)
 
-SOURCES = pdp_opencv_threshold.c pdp_opencv_edge.c pdp_opencv_distrans.c pdp_opencv_laplace.c pdp_opencv_motempl.c pdp_opencv_morphology.c pdp_opencv_haarcascade.c pdp_opencv_contours_convexity.c pdp_opencv_contours_boundingrect.c pdp_opencv_bgsubstract.c pdp_opencv_lk.c pdp_opencv_floodfill.c pdp_opencv_hist_compare.c pdp_opencv_dft.c pdp_opencv_knear.cc pdp_opencv_hu_moments.c pdp_opencv_hu_compare.cc pdp_opencv_pgh_compare.cc pdp_opencv_bgstats.cc pdp_opencv_athreshold.c pdp_opencv_hough_lines.cc pdp_opencv_channels.cc pdp_opencv_hough_circles.cc pdp_opencv_camshift.cc pdp_opencv_surf.cc
+SOURCES = pdp_opencv_threshold.c pdp_opencv_edge.c pdp_opencv_distrans.c pdp_opencv_laplace.c pdp_opencv_motempl.c pdp_opencv_morphology.c pdp_opencv_haarcascade.c pdp_opencv_contours_convexity.c pdp_opencv_contours_boundingrect.c pdp_opencv_bgsubstract.c pdp_opencv_lk.c pdp_opencv_floodfill.c pdp_opencv_hist_compare.c pdp_opencv_dft.c pdp_opencv_knear.cc pdp_opencv_hu_moments.c pdp_opencv_hu_compare.cc pdp_opencv_pgh_compare.cc pdp_opencv_bgstats.cc pdp_opencv_athreshold.c pdp_opencv_hough_lines.cc pdp_opencv_channels.cc pdp_opencv_hough_circles.cc pdp_opencv_camshift.cc pdp_opencv_colorfilt.c
 SOURCES_OPT = pdp_opencv_surf.cc
 
 all: $(SOURCES:.c=.$(EXTENSION)) $(SOURCES:.cc=.$(EXTENSION)) $(SOURCES_OPT:.c=.$(EXTENSION)) $(SOURCES_OPT:.cc=.$(EXTENSION))
diff --git a/Makefile.in b/Makefile.in
index 6f47b83..79b1433 100755
--- a/Makefile.in
+++ b/Makefile.in
@@ -26,7 +26,7 @@ endif
 
 .SUFFIXES = $(EXTENSION)
 
-SOURCES = pdp_opencv_threshold.c pdp_opencv_edge.c pdp_opencv_distrans.c pdp_opencv_laplace.c pdp_opencv_motempl.c pdp_opencv_morphology.c pdp_opencv_haarcascade.c pdp_opencv_contours_convexity.c pdp_opencv_contours_boundingrect.c pdp_opencv_bgsubstract.c pdp_opencv_lk.c pdp_opencv_floodfill.c pdp_opencv_hist_compare.c pdp_opencv_dft.c pdp_opencv_knear.cc pdp_opencv_hu_moments.c pdp_opencv_hu_compare.cc pdp_opencv_pgh_compare.cc pdp_opencv_bgstats.cc pdp_opencv_athreshold.c pdp_opencv_hough_lines.cc pdp_opencv_channels.cc pdp_opencv_hough_circles.cc pdp_opencv_camshift.cc pdp_opencv_surf.cc
+SOURCES = pdp_opencv_threshold.c pdp_opencv_edge.c pdp_opencv_distrans.c pdp_opencv_laplace.c pdp_opencv_motempl.c pdp_opencv_morphology.c pdp_opencv_haarcascade.c pdp_opencv_contours_convexity.c pdp_opencv_contours_boundingrect.c pdp_opencv_bgsubstract.c pdp_opencv_lk.c pdp_opencv_floodfill.c pdp_opencv_hist_compare.c pdp_opencv_dft.c pdp_opencv_knear.cc pdp_opencv_hu_moments.c pdp_opencv_hu_compare.cc pdp_opencv_pgh_compare.cc pdp_opencv_bgstats.cc pdp_opencv_athreshold.c pdp_opencv_hough_lines.cc pdp_opencv_channels.cc pdp_opencv_hough_circles.cc pdp_opencv_camshift.cc pdp_opencv_colorfilt.c
 SOURCES_OPT = @SOURCES_OPT@
 
 all: $(SOURCES:.c=.$(EXTENSION)) $(SOURCES:.cc=.$(EXTENSION)) $(SOURCES_OPT:.c=.$(EXTENSION)) $(SOURCES_OPT:.cc=.$(EXTENSION))
diff --git a/pdp_opencv_colorfilt-help.pd b/pdp_opencv_colorfilt-help.pd
new file mode 100755
index 0000000..8e60085
--- /dev/null
+++ b/pdp_opencv_colorfilt-help.pd
@@ -0,0 +1,111 @@
+#N canvas 367 49 810 785 10;
+#X obj -15 -31 cnv 15 621 250 empty empty empty 20 12 0 14 -260097
+-66577 0;
+#X obj 223 -15 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 223 12 metro 40;
+#X msg 313 39 close;
+#X obj 243 110 pdp_v4l;
+#X msg 300 7 open /dev/video0;
+#X obj 412 -20 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 412 7 metro 40;
+#X msg 493 26 close;
+#X msg 489 2 open /dev/video0;
+#X obj 433 106 pdp_v4l2;
+#X msg 498 81 format \$1;
+#X obj 499 59 hradio 15 1 0 4 empty empty empty 0 -8 0 10 -262144 -1
+-1 0;
+#X obj 15 184 pdp_qt;
+#X obj 48 120 metro 40;
+#X msg 48 92 bang;
+#X msg 89 92 stop;
+#X obj 15 23 openpanel;
+#X msg 15 48 open \$1;
+#X msg 15 -5 bang;
+#X msg 49 147 loop \$1;
+#X obj 129 147 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
+1;
+#X obj 129 65 loadbang;
+#X text 58 -2 playing a video file;
+#X text 253 -17 Camera input;
+#X obj 75 185 hsl 128 15 0 2000 0 0 empty empty empty -2 -8 0 10 -262144
+-1 -1 12700 1;
+#X obj -15 222 cnv 15 621 350 empty empty empty 20 12 0 14 -258113
+-66577 0;
+#X text -13 -98 can be useful to isolate and track colors;
+#X obj 10 583 pdp_xv;
+#X obj 8 492 pdp_opencv_colorfilt;
+#X obj 244 161 pdp_xv;
+#X text -14 -111 pdp_opencv_colrfilt : RGB color filter;
+#X text -16 -63 written by Yves Degoyon ( ydegoyon@gmail.com );
+#X text -14 -87 it's very similar to pdp_binary for PiDiP but works
+in RGB colorspace;
+#X obj 110 384 pdp_colorgrid pdp_colorgrid1 256 0 256 50 0 50 0 1 1
+10 10 149 417;
+#X floatatom 108 442 5 0 0 0 - - -;
+#X floatatom 229 443 5 0 0 0 - - -;
+#X floatatom 342 444 5 0 0 0 - - -;
+#X text 374 403 select a color;
+#X msg 87 334 pick \$1 \$2;
+#X text 160 336 <-- pick a color in the video window;
+#X floatatom 66 531 5 0 0 0 - - -;
+#X floatatom 113 530 5 0 0 0 - - -;
+#X floatatom 159 530 5 0 0 0 - - -;
+#X text 68 552 R;
+#X text 114 553 G;
+#X text 163 550 B;
+#X text 214 529 <-- selected color;
+#X text 253 491 ( if set to -1 the component is ignored );
+#X text 256 480 RGB components;
+#X msg 76 291 tolerance \$1;
+#X obj 244 184 route press drag release;
+#X msg 290 160 cursor 1;
+#X floatatom 166 293 5 0 0 0 - - -;
+#X text 215 290 color tolerance ( default : 50 );
+#X connect 1 0 2 0;
+#X connect 2 0 4 0;
+#X connect 3 0 4 0;
+#X connect 4 0 29 0;
+#X connect 4 0 30 0;
+#X connect 4 0 52 0;
+#X connect 5 0 4 0;
+#X connect 6 0 7 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 10 0;
+#X connect 10 0 29 0;
+#X connect 10 0 30 0;
+#X connect 10 0 52 0;
+#X connect 11 0 10 0;
+#X connect 12 0 11 0;
+#X connect 13 0 30 0;
+#X connect 13 0 52 0;
+#X connect 13 0 29 0;
+#X connect 14 0 13 0;
+#X connect 15 0 14 0;
+#X connect 16 0 14 0;
+#X connect 17 0 18 0;
+#X connect 18 0 13 0;
+#X connect 19 0 17 0;
+#X connect 20 0 13 0;
+#X connect 21 0 20 0;
+#X connect 22 0 21 0;
+#X connect 22 0 15 0;
+#X connect 25 0 13 1;
+#X connect 29 0 28 0;
+#X connect 29 1 41 0;
+#X connect 29 2 42 0;
+#X connect 29 3 43 0;
+#X connect 30 0 51 0;
+#X connect 34 0 35 0;
+#X connect 34 1 36 0;
+#X connect 34 2 37 0;
+#X connect 35 0 29 1;
+#X connect 36 0 29 2;
+#X connect 37 0 29 3;
+#X connect 39 0 29 0;
+#X connect 50 0 29 0;
+#X connect 51 0 39 0;
+#X connect 52 0 30 0;
+#X connect 53 0 50 0;
diff --git a/pdp_opencv_colorfilt.c b/pdp_opencv_colorfilt.c
new file mode 100755
index 0000000..b2d4092
--- /dev/null
+++ b/pdp_opencv_colorfilt.c
@@ -0,0 +1,332 @@
+/*
+ *   Pd OpenCV 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 color filter 
+ */
+
+#include "pdp.h"
+#include <math.h>
+#include <stdio.h>
+#include "g_canvas.h"
+
+static char   *pdp_opencv_colorfilt_version = "pdp_opencv_colorfilt: a color filter";
+
+typedef struct pdp_opencv_colorfilt_struct
+{
+    t_object x_obj;
+
+    int x_packet0;
+    int x_packet1;
+    int x_queue_id;
+    int x_dropped;
+
+    int x_width;
+    int x_height;
+    int x_size;
+    unsigned char x_colorR; // RGB components of binary mask
+    unsigned char x_colorG;
+    unsigned char x_colorB;
+    int x_tolerance; // tolerance 
+    unsigned char *x_frame;  // keep a copy of current frame for picking color
+
+    t_outlet *x_pdp_output; // output packets
+    t_outlet *x_R;  // output R component of selected color
+    t_outlet *x_G;  // output G component of selected color
+    t_outlet *x_B;  // output B component of selected color
+
+    t_canvas *x_canvas;
+
+} t_pdp_opencv_colorfilt;
+
+static void pdp_opencv_colorfilt_draw_color(t_pdp_opencv_colorfilt *x)
+{
+ int width, height;
+ char color[32];
+
+    sprintf( color, "#%.2X%.2X%.2X", x->x_colorR, x->x_colorG, x->x_colorB );
+    width = rtext_width( glist_findrtext( (t_glist*)x->x_canvas, (t_text *)x ) );
+    height = rtext_height( glist_findrtext( (t_glist*)x->x_canvas, (t_text *)x ) );
+    sys_vgui(".x%x.c delete rectangle %xCOLOR\n", x->x_canvas, x );
+    sys_vgui(".x%x.c create rectangle %d %d %d %d -fill %s -tags %xCOLOR\n",
+             x->x_canvas, x->x_obj.te_xpix+width+5, x->x_obj.te_ypix,
+             x->x_obj.te_xpix+width+height+5,
+             x->x_obj.te_ypix+height, color, x );
+}
+
+
+static void pdp_opencv_colorfilt_r(t_pdp_opencv_colorfilt *x, t_floatarg fr )
+{
+   if ( fr <= 255. && fr >= 0. )
+   {
+      x->x_colorR = (int)fr;
+      outlet_float( x->x_R, x->x_colorR );
+      if (glist_isvisible(x->x_canvas)) pdp_opencv_colorfilt_draw_color( x );
+   }
+}
+
+static void pdp_opencv_colorfilt_g(t_pdp_opencv_colorfilt *x, t_floatarg fg )
+{
+   if ( fg <= 255. && fg >= 0. )
+   {
+      x->x_colorG = (int)fg;
+      outlet_float( x->x_G, x->x_colorG );
+      if (glist_isvisible(x->x_canvas)) pdp_opencv_colorfilt_draw_color( x );
+   }
+}
+
+static void pdp_opencv_colorfilt_b(t_pdp_opencv_colorfilt *x, t_floatarg fb )
+{
+   if ( fb < 255 && fb >= 0. )
+   {
+      x->x_colorB = (int)fb;
+      outlet_float( x->x_B, x->x_colorB );
+      if (glist_isvisible(x->x_canvas)) pdp_opencv_colorfilt_draw_color( x );
+   }
+}
+
+static void pdp_opencv_colorfilt_tolerance(t_pdp_opencv_colorfilt *x, t_floatarg ftolerance )
+{
+   if ( ftolerance >= 0 ) 
+   {
+      x->x_tolerance = (int)ftolerance;
+   }
+}
+
+static void pdp_opencv_colorfilt_pick(t_pdp_opencv_colorfilt *x, t_floatarg px, t_floatarg py )
+{
+   if ( x->x_frame && ( px >= 0. ) && ( px <= 1.0 ) 
+        && ( py > 0. ) && ( py < 1.0 ) )
+   {
+      int xcur = px*x->x_width;
+      int ycur = py*x->x_height;
+
+      x->x_colorR = x->x_frame[(ycur*x->x_width*3)+xcur*3];
+      x->x_colorG = x->x_frame[(ycur*x->x_width*3)+xcur*3+1];
+      x->x_colorB = x->x_frame[(ycur*x->x_width*3)+xcur*3+2];
+      outlet_float( x->x_R, x->x_colorR );
+      outlet_float( x->x_G, x->x_colorG );
+      outlet_float( x->x_B, x->x_colorB );
+      post( "pdp_opencv_colorfilt : picked up color : x=%d y=%d r=%d g=%d b=%d", xcur, ycur, x->x_colorR, x->x_colorG, x->x_colorB );
+
+      if (glist_isvisible(x->x_canvas)) pdp_opencv_colorfilt_draw_color( x );
+   }
+}
+
+static void pdp_opencv_colorfilt_allocate(t_pdp_opencv_colorfilt *x)
+{
+    x->x_frame = (unsigned char *) getbytes ( x->x_size*3*sizeof(unsigned char) );
+
+    if ( !x->x_frame )
+    {
+       post( "pdp_binary : severe error : cannot allocate buffer !!! ");
+       return;
+    }
+}
+
+static void pdp_opencv_colorfilt_free_ressources(t_pdp_opencv_colorfilt *x)
+{
+    if ( x->x_frame ) freebytes ( x->x_frame, x->x_size*3*sizeof(unsigned char) );
+}
+
+static void pdp_opencv_colorfilt_process_rgb(t_pdp_opencv_colorfilt *x)
+{
+    t_pdp     *header = pdp_packet_header(x->x_packet0);
+    unsigned char *data   = (unsigned char *)pdp_packet_data(x->x_packet0);
+    t_pdp     *newheader = pdp_packet_header(x->x_packet1);
+    unsigned char *newdata = (unsigned char *)pdp_packet_data(x->x_packet1);
+    int     i;
+    int     px=0, py=0; 
+    unsigned char r=0, g=0, b=0;
+    unsigned char *pf;
+    int     diff;
+
+    /* allocate all ressources */
+    if ( ( (int)header->info.image.width != x->x_width ) ||
+         ( (int)header->info.image.height != x->x_height ) )
+    {
+        pdp_opencv_colorfilt_free_ressources( x ); 
+        x->x_width = header->info.image.width;
+        x->x_height = header->info.image.height;
+        x->x_size = x->x_width*x->x_height;
+        pdp_opencv_colorfilt_allocate( x ); 
+        post( "pdp_opencv_colorfilt : reallocated buffers" );
+    }
+
+    memcpy(x->x_frame, data, x->x_size*3*sizeof(unsigned char));
+    memcpy(newdata, data, x->x_size*3*sizeof(unsigned char));
+
+    newheader->info.image.encoding = header->info.image.encoding;
+    newheader->info.image.width = x->x_width;
+    newheader->info.image.height = x->x_height;
+
+    // filter
+    pf = newdata;
+    for ( py=0; py<x->x_height; py++ )
+    {
+      for ( px=0; px<x->x_width; px++ )
+      {
+         r = *(pf);
+         g = *(pf+1);
+         b = *(pf+2);
+
+         diff = 0;
+         diff = abs(r-x->x_colorR );
+         diff += abs(g-x->x_colorG );
+         diff += abs(b-x->x_colorB );
+       
+         if ( diff > x->x_tolerance )
+         {
+            *(pf) = 0x0;
+            *(pf+1) = 0x0;
+            *(pf+2) = 0x0;
+         }
+            
+         pf+=3;
+       }
+    }
+
+    return;
+}
+
+static void pdp_opencv_colorfilt_sendpacket(t_pdp_opencv_colorfilt *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_pdp_output, &x->x_packet1);
+}
+
+static void pdp_opencv_colorfilt_process(t_pdp_opencv_colorfilt *x)
+{
+   int encoding;
+   t_pdp *header = 0;
+
+   /* check if image data packets are compatible */
+   if ( (header = pdp_packet_header(x->x_packet0))
+	&& (PDP_BITMAP == header->type)){
+    
+	/* pdp_opencv_colorfilt_process inputs and write into active inlet */
+	switch(pdp_packet_header(x->x_packet0)->info.image.encoding)
+        {
+
+	case PDP_BITMAP_RGB:
+            x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
+            pdp_queue_add(x, pdp_opencv_colorfilt_process_rgb, pdp_opencv_colorfilt_sendpacket, &x->x_queue_id);
+	    break;
+
+	default:
+	    /* don't know the type, so dont pdp_opencv_colorfilt_process */
+	    break;
+	    
+	}
+    }
+
+}
+
+static void pdp_opencv_colorfilt_input_0(t_pdp_opencv_colorfilt *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("bitmap/rgb/*") );
+    }
+
+    if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped))
+    {
+        pdp_opencv_colorfilt_process(x);
+    }
+}
+
+static void pdp_opencv_colorfilt_free(t_pdp_opencv_colorfilt *x)
+{
+  int i;
+
+    pdp_packet_mark_unused(x->x_packet0);
+    pdp_opencv_colorfilt_free_ressources( x );
+}
+
+t_class *pdp_opencv_colorfilt_class;
+
+void *pdp_opencv_colorfilt_new(void)
+{
+    int i;
+
+    t_pdp_opencv_colorfilt *x = (t_pdp_opencv_colorfilt *)pd_new(pdp_opencv_colorfilt_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("R"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("G"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("B"));
+
+    x->x_pdp_output = outlet_new(&x->x_obj, &s_anything); 
+    x->x_R  = outlet_new(&x->x_obj, &s_float); 
+    x->x_G  = outlet_new(&x->x_obj, &s_float); 
+    x->x_B  = outlet_new(&x->x_obj, &s_float); 
+
+    x->x_colorR = 128;
+    x->x_colorG = 128;
+    x->x_colorB = 128;
+
+    outlet_float( x->x_R, x->x_colorR );
+    outlet_float( x->x_G, x->x_colorG );
+    outlet_float( x->x_B, x->x_colorB );
+
+    x->x_packet0 = -1;
+    x->x_packet1 = -1;
+
+    x->x_tolerance = 50;
+
+    x->x_width = -1;
+    x->x_height = -1;
+    x->x_size = -1;
+    x->x_frame = NULL;
+
+    x->x_canvas = canvas_getcurrent();
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_opencv_colorfilt_setup(void)
+{
+    // post( pdp_opencv_colorfilt_version );
+    pdp_opencv_colorfilt_class = class_new(gensym("pdp_opencv_colorfilt"), (t_newmethod)pdp_opencv_colorfilt_new,
+    	(t_method)pdp_opencv_colorfilt_free, sizeof(t_pdp_opencv_colorfilt), 0, A_NULL);
+
+    class_addmethod(pdp_opencv_colorfilt_class, (t_method)pdp_opencv_colorfilt_input_0, gensym("pdp"),  A_SYMBOL, A_DEFFLOAT, A_NULL);
+    class_addmethod(pdp_opencv_colorfilt_class, (t_method)pdp_opencv_colorfilt_r, gensym("R"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_opencv_colorfilt_class, (t_method)pdp_opencv_colorfilt_g, gensym("G"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_opencv_colorfilt_class, (t_method)pdp_opencv_colorfilt_b, gensym("B"),  A_FLOAT, A_NULL);
+    class_addmethod(pdp_opencv_colorfilt_class, (t_method)pdp_opencv_colorfilt_pick, gensym("pick"), A_FLOAT, A_FLOAT, A_NULL);
+    class_addmethod(pdp_opencv_colorfilt_class, (t_method)pdp_opencv_colorfilt_tolerance, gensym("tolerance"), A_FLOAT, A_NULL);
+
+    class_sethelpsymbol( pdp_opencv_colorfilt_class, gensym("pdp_opencv_colorfilt.pd") );
+}
+
+#ifdef __cplusplus
+}
+#endif