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authorN.N. <sevyves@users.sourceforge.net>2009-10-12 22:56:45 +0000
committerN.N. <sevyves@users.sourceforge.net>2009-10-12 22:56:45 +0000
commite8268332983d8c7c28f868467c0e82f5b35e8511 (patch)
treef85354a87c9d82bc06b61431d3a9e81ed17c680d /pdp_opencv_colorfilt.cc
parent42a7224336dd60ef6ae53ae8a5c446e11c9c8148 (diff)
passed everything to c++ for opencv 2.0
svn path=/trunk/externals/pdp_opencv/; revision=12584
Diffstat (limited to 'pdp_opencv_colorfilt.cc')
-rwxr-xr-xpdp_opencv_colorfilt.cc329
1 files changed, 329 insertions, 0 deletions
diff --git a/pdp_opencv_colorfilt.cc b/pdp_opencv_colorfilt.cc
new file mode 100755
index 0000000..89eaecc
--- /dev/null
+++ b/pdp_opencv_colorfilt.cc
@@ -0,0 +1,329 @@
+/*
+ * 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"
+
+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((char*)".x%x.c delete rectangle %xCOLOR\n", x->x_canvas, x );
+ sys_vgui((char*)".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, (void*)pdp_opencv_colorfilt_process_rgb, (void*)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((char*)"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)
+{
+ 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