diff options
Diffstat (limited to 'pdp_opencv_contours_boundingrect.c')
| -rw-r--r-- | pdp_opencv_contours_boundingrect.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/pdp_opencv_contours_boundingrect.c b/pdp_opencv_contours_boundingrect.c new file mode 100644 index 0000000..7523153 --- /dev/null +++ b/pdp_opencv_contours_boundingrect.c @@ -0,0 +1,320 @@ +/* + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <limits.h> +#include <dlfcn.h> +#include <math.h> + +#include "pdp.h" + +#ifndef _EiC +#include "cv.h" +#endif + + + +typedef struct pdp_opencv_contours_boundingrect_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_outlet *x_dataout; + 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 minarea; + int maxarea; + IplImage *image, *gray, *cnt_img; + +} t_pdp_opencv_contours_boundingrect; + + + +static void pdp_opencv_contours_boundingrect_process_rgb(t_pdp_opencv_contours_boundingrect *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); + + + if ((x->x_width != (t_int)header->info.image.width) || + (x->x_height != (t_int)header->info.image.height)) + { + + post("pdp_opencv_contours_boundingrect :: resizing plugins"); + + + 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->cnt_img); + + //create the orig image with new size + x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + + // Create the output images with new sizes + x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1); + x->cnt_img = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 3); + + } + + 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 image->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 ); + + // Convert to grayscale + cvCvtColor(x->image, x->gray, CV_BGR2GRAY); + + CvSeq* contours; + CvMemStorage* stor02; + stor02 = cvCreateMemStorage(0); + + //TODO nous objectes ::: llegeixo el OpenCVRefenceManual i al capitol 11 Structural Analysis Reference + // m'en adono que + //de fet aquest objecte no s'ha de dir pdp_opencv_contours sino pdp_opencv_convexity + //el pdp_opencv_contours et donaria una llista de punts en els outles que serien els punts del contorn (poligonal o no)i + //i seria la base per a una serie de objectes basats en contorns + //el pdp_opencv_convexHull, el mateix pdp_opencv_convexity + //depres nhi ha un altre que surtiria d'aqui :: pdp_opencv_MinAreaRect i el pdp_opencv_MinEnclosingCircle + //ContourBoundingRect + // + + + // TODO afegir parametres + // Retrieval mode. + // CV_RETR_TREE || CV_RETR_CCOMP || CV_RETR_LIST || CV_RETR_EXTERNAL + // Approximation method. + // CV_CHAIN_APPROX_SIMPLE || CV_CHAIN_CODE || CV_CHAIN_APPROX_NONE || CV_CHAIN_APPROX_TC89_L1 || CV_CHAIN_APPROX_TC89_KCOS || CV_LINK_RUNS + cvFindContours( x->gray, stor02, &contours, sizeof(CvContour), CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) ); + // TODO afegir parametres + // aqui es fa una aproximacio del contorn per a que sigui mes polinomic i no tingui tants punts + // els ultims dos parametres han de ser variables + // precision , recursive + if (contours) contours = cvApproxPoly( contours, sizeof(CvContour), stor02, CV_POLY_APPROX_DP, 3, 1 ); + + //TODO afegir parametre + //si volem veure la imatge original o un fons negre + cvCopy(x->image, x->cnt_img, NULL); + //cvZero( x->cnt_img ); + + + for( ; contours != 0; contours = contours->h_next ) + { + int i = 0; // Indicator of cycles. + int count = contours->total; // This is number point in contour + CvRect rect; + + rect = cvContourBoundingRect( contours, 1); + if ( ( (rect.width*rect.height) > x->minarea ) && ( (rect.width*rect.height) < x->maxarea ) ) { + cvRectangle( x->cnt_img, cvPoint(rect.x,rect.y), cvPoint(rect.x+rect.width,rect.y+rect.height), CV_RGB(255,0,0), 2, 8 , 0 ); + + t_atom rlist[4]; + SETFLOAT(&rlist[0], i); + SETFLOAT(&rlist[1], rect.x); + SETFLOAT(&rlist[2], rect.y); + SETFLOAT(&rlist[3], rect.width); + SETFLOAT(&rlist[4], rect.height); + + outlet_list( x->x_dataout, 0, 5, rlist ); + i++; + } + + } + + cvReleaseMemStorage( &stor02 ); + + //cvShowImage( "contours", x->cnt_img ); + memcpy( newdata, x->cnt_img->imageData, x->x_size*3 ); + + + return; +} + +static void pdp_opencv_contours_boundingrect_param(t_pdp_opencv_contours_boundingrect *x, t_floatarg f1, t_floatarg f2) +{ + +} + +static void pdp_opencv_contours_boundingrect_minarea(t_pdp_opencv_contours_boundingrect *x, t_floatarg f) +{ + x->minarea = (int)f; +} + +static void pdp_opencv_contours_boundingrect_maxarea(t_pdp_opencv_contours_boundingrect *x, t_floatarg f) +{ + x->maxarea = (int)f; +} + +static void pdp_opencv_contours_boundingrect_sendpacket(t_pdp_opencv_contours_boundingrect *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_contours_boundingrect_process(t_pdp_opencv_contours_boundingrect *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_contours_boundingrect_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_contours_boundingrect_process_rgb, pdp_opencv_contours_boundingrect_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_opencv_contours_boundingrect_process */ + break; + + } + } + +} + +static void pdp_opencv_contours_boundingrect_input_0(t_pdp_opencv_contours_boundingrect *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_contours_boundingrect_process(x); + } +} + +static void pdp_opencv_contours_boundingrect_free(t_pdp_opencv_contours_boundingrect *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->cnt_img); +} + +t_class *pdp_opencv_contours_boundingrect_class; + + +void *pdp_opencv_contours_boundingrect_new(t_floatarg f) +{ + int i; + + t_pdp_opencv_contours_boundingrect *x = (t_pdp_opencv_contours_boundingrect *)pd_new(pdp_opencv_contours_boundingrect_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("minarea")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("maxarea")); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + x->x_dataout = 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; + + x->x_infosok = 0; + + x->minarea = 1; + x->maxarea = 320*240; + + + + + 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->cnt_img = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 3); + + //contours = 0; + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_opencv_contours_boundingrect_setup(void) +{ + + post( " pdp_opencv_contours_boundingrect"); + pdp_opencv_contours_boundingrect_class = class_new(gensym("pdp_opencv_contours_boundingrect"), (t_newmethod)pdp_opencv_contours_boundingrect_new, + (t_method)pdp_opencv_contours_boundingrect_free, sizeof(t_pdp_opencv_contours_boundingrect), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_opencv_contours_boundingrect_class, (t_method)pdp_opencv_contours_boundingrect_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_contours_boundingrect_class, (t_method)pdp_opencv_contours_boundingrect_minarea, gensym("minarea"), A_FLOAT, A_NULL ); + class_addmethod(pdp_opencv_contours_boundingrect_class, (t_method)pdp_opencv_contours_boundingrect_maxarea, gensym("maxarea"), A_FLOAT, A_NULL ); + + +} + +#ifdef __cplusplus +} +#endif |