From db131dd7f6e5f9c222198a74b3f11e7f99f4da70 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?llu=C3=ADs=20g=C3=B3mez=20i=20bigord=C3=A0?= Date: Sun, 25 May 2008 21:32:41 +0000 Subject: First svn commit svn path=/trunk/externals/pdp_opencv/; revision=9912 --- pdp_opencv_distrans.c | 362 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 362 insertions(+) create mode 100644 pdp_opencv_distrans.c (limited to 'pdp_opencv_distrans.c') diff --git a/pdp_opencv_distrans.c b/pdp_opencv_distrans.c new file mode 100644 index 0000000..64adc2b --- /dev/null +++ b/pdp_opencv_distrans.c @@ -0,0 +1,362 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Tom Schouten + * + * 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 +#include +#include +#include +#include +#include + +#include "pdp.h" + +#ifndef _EiC +#include "cv.h" +#endif + + + +typedef struct pdp_opencv_distrans_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + int x_packet0; + int x_packet1; + int x_dropped; + int x_queue_id; + + int x_width; + int x_height; + int x_size; + + int x_infosok; + + int edge_thresh; + int build_voronoi; + int mask_size; + + // The output and temporary images + IplImage* dist; + IplImage* dist8u1; + IplImage* dist8u2; + IplImage* dist8u; + IplImage* dist32s; + + IplImage* image; + IplImage* gray; + IplImage* edge; + IplImage* labels; + + +} t_pdp_opencv_distrans; + + + +static void pdp_opencv_distrans_process_rgb(t_pdp_opencv_distrans *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); + static const uchar colors[][3] = + { + {0,0,0}, + {255,0,0}, + {255,128,0}, + {255,255,0}, + {0,255,0}, + {0,128,255}, + {0,255,255}, + {0,0,255}, + {255,0,255} + }; + + int msize = x->mask_size; + + + if ((x->x_width != (t_int)header->info.image.width) || + (x->x_height != (t_int)header->info.image.height)) + { + + post("pdp_opencv_distrans :: resizing plugins"); + + //cv_freeplugins(x); + + x->x_width = header->info.image.width; + x->x_height = header->info.image.height; + x->x_size = x->x_width*x->x_height; + + //Destroy cv_images + cvReleaseImage( &x->image ); + cvReleaseImage( &x->gray ); + cvReleaseImage( &x->edge ); + cvReleaseImage( &x->dist ); + cvReleaseImage( &x->dist8u ); + cvReleaseImage( &x->dist8u1 ); + cvReleaseImage( &x->dist8u2 ); + cvReleaseImage( &x->dist32s ); + cvReleaseImage( &x->labels ); + + x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1); + x->dist = cvCreateImage( cvGetSize(x->gray), IPL_DEPTH_32F, 1 ); + x->dist8u1 = cvCloneImage( x->gray ); + x->dist8u2 = cvCloneImage( x->gray ); + x->dist8u = cvCreateImage( cvGetSize(x->gray), IPL_DEPTH_8U, 3 ); + x->dist32s = cvCreateImage( cvGetSize(x->gray), IPL_DEPTH_32S, 1 ); + x->edge = cvCloneImage( x->gray ); + x->labels = cvCreateImage( cvGetSize(x->gray), IPL_DEPTH_32S, 1 ); + } + + newheader->info.image.encoding = header->info.image.encoding; + newheader->info.image.width = x->x_width; + newheader->info.image.height = x->x_height; + + memcpy( newdata, data, x->x_size*3 ); + + + // FEM UNA COPIA DEL PACKET A x->grey->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage + memcpy( x->image->imageData, data, x->x_size*3 ); + cvCvtColor(x->image, x->gray, CV_BGR2GRAY); + + cvThreshold( x->gray, x->edge, (float)x->edge_thresh, (float)x->edge_thresh, CV_THRESH_BINARY ); + + if( x->build_voronoi ) + msize = CV_DIST_MASK_5; + + cvDistTransform( x->edge, x->dist, CV_DIST_L2, msize, NULL, x->build_voronoi ? x->labels : NULL ); + + if( !x->build_voronoi ) + { + // begin "painting" the distance transform result + cvConvertScale( x->dist, x->dist, 5000.0, 0 ); + cvPow( x->dist, x->dist, 0.5 ); + + cvConvertScale( x->dist, x->dist32s, 1.0, 0.5 ); + cvAndS( x->dist32s, cvScalarAll(255), x->dist32s, 0 ); + cvConvertScale( x->dist32s, x->dist8u1, 1, 0 ); + cvConvertScale( x->dist32s, x->dist32s, -1, 0 ); + cvAddS( x->dist32s, cvScalarAll(255), x->dist32s, 0 ); + cvConvertScale( x->dist32s, x->dist8u2, 1, 0 ); + cvMerge( x->dist8u1, x->dist8u2, x->dist8u2, 0, x->dist8u ); + // end "painting" the distance transform result + } + else + { + int i, j; + for( i = 0; i < x->labels->height; i++ ) + { + int* ll = (int*)(x->labels->imageData + i*x->labels->widthStep); + float* dd = (float*)(x->dist->imageData + i*x->dist->widthStep); + uchar* d = (uchar*)(x->dist8u->imageData + i*x->dist8u->widthStep); + for( j = 0; j < x->labels->width; j++ ) + { + int idx = ll[j] == 0 || dd[j] == 0 ? 0 : (ll[j]-1)%8 + 1; + int b = cvRound(colors[idx][0]); + int g = cvRound(colors[idx][1]); + int r = cvRound(colors[idx][2]); + d[j*3] = (uchar)b; + d[j*3+1] = (uchar)g; + d[j*3+2] = (uchar)r; + } + } + } + + //cvShowImage( wndname, dist8u ); + + memcpy( newdata, x->dist8u->imageData, x->x_size*3 ); + + + return; +} + +static void pdp_opencv_distrans_type(t_pdp_opencv_distrans *x, t_floatarg f) +{ + if( (int)f == 3 ) + x->mask_size = CV_DIST_MASK_3; + else if( (int)f == 5 ) + x->mask_size = CV_DIST_MASK_5; + else if( (int)f == 0 ) + x->mask_size = CV_DIST_MASK_PRECISE; + +} + +static void pdp_opencv_distrans_voronoi(t_pdp_opencv_distrans *x, t_floatarg f) +{ + int v = (int)f; + if (v<0) v=0; + else if (v>1) v=1; + + x->build_voronoi=(int)v; +} + +static void pdp_opencv_distrans_thresh(t_pdp_opencv_distrans *x, t_floatarg f) +{ + x->edge_thresh = (int)f; +} + +static void pdp_opencv_distrans_sendpacket(t_pdp_opencv_distrans *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_opencv_distrans_process(t_pdp_opencv_distrans *x) +{ + int encoding; + t_pdp *header = 0; + char *parname; + unsigned pi; + int partype; + float pardefault; + t_atom plist[2]; + t_atom tlist[2]; + t_atom vlist[2]; + + /* check if image data packets are compatible */ + if ( (header = pdp_packet_header(x->x_packet0)) + && (PDP_BITMAP == header->type)){ + + /* pdp_opencv_distrans_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_distrans_process_rgb, pdp_opencv_distrans_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_opencv_distrans_process */ + break; + + } + } + +} + +static void pdp_opencv_distrans_input_0(t_pdp_opencv_distrans *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)) + { + /* add the process method and callback to the process queue */ + pdp_opencv_distrans_process(x); + } +} + +static void pdp_opencv_distrans_free(t_pdp_opencv_distrans *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + //cv_freeplugins(x); + + //Destroy cv_images + cvReleaseImage( &x->image ); + cvReleaseImage( &x->gray ); + cvReleaseImage( &x->edge ); + cvReleaseImage( &x->dist ); + cvReleaseImage( &x->dist8u ); + cvReleaseImage( &x->dist8u1 ); + cvReleaseImage( &x->dist8u2 ); + cvReleaseImage( &x->dist32s ); + cvReleaseImage( &x->labels ); +} + +t_class *pdp_opencv_distrans_class; + + +void *pdp_opencv_distrans_new(t_floatarg f) +{ + int i; + + t_pdp_opencv_distrans *x = (t_pdp_opencv_distrans *)pd_new(pdp_opencv_distrans_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("edge_thresh")); + + 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_width = 320; + x->x_height = 240; + x->x_size = x->x_width * x->x_height; + + //load the plugins + x->x_infosok = 0; + //cv_loadplugins(x, FF_PLUGIN_DIR); + + //pdp_opencv_distrans_plugin(x, f); + x->edge_thresh = 100; + x->build_voronoi = 0; + x->mask_size = CV_DIST_MASK_5; + + + + x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1); + cvCvtColor(x->image, x->gray, CV_BGR2GRAY); + x->dist = cvCreateImage( cvSize(x->x_width,x->x_height), IPL_DEPTH_32F, 1 ); + x->dist8u1 = cvCloneImage( x->gray ); + x->dist8u2 = cvCloneImage( x->gray ); + x->dist8u = cvCreateImage( cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3 ); + x->dist32s = cvCreateImage( cvSize(x->x_width,x->x_height), IPL_DEPTH_32S, 1 ); + x->edge = cvCloneImage( x->gray ); + x->labels = cvCreateImage( cvSize(x->x_width,x->x_height), IPL_DEPTH_32S, 1 ); + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_opencv_distrans_setup(void) +{ + + post( " pdp_opencv_distrans"); + pdp_opencv_distrans_class = class_new(gensym("pdp_opencv_distrans"), (t_newmethod)pdp_opencv_distrans_new, + (t_method)pdp_opencv_distrans_free, sizeof(t_pdp_opencv_distrans), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_opencv_distrans_class, (t_method)pdp_opencv_distrans_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_distrans_class, (t_method)pdp_opencv_distrans_thresh, gensym("edge_thresh"), A_FLOAT, A_NULL ); + class_addmethod(pdp_opencv_distrans_class, (t_method)pdp_opencv_distrans_type, gensym("type"), A_FLOAT, A_NULL); + class_addmethod(pdp_opencv_distrans_class, (t_method)pdp_opencv_distrans_voronoi, gensym("voronoi"), A_FLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1