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_floodfill.c | 333 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 333 insertions(+) create mode 100644 pdp_opencv_floodfill.c (limited to 'pdp_opencv_floodfill.c') diff --git a/pdp_opencv_floodfill.c b/pdp_opencv_floodfill.c new file mode 100644 index 0000000..864e41c --- /dev/null +++ b/pdp_opencv_floodfill.c @@ -0,0 +1,333 @@ +/* + * 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_floodfill_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 up_diff; + int lo_diff; + int ffill_case; + int connectivity; + int is_color; + int is_mask; + int new_mask_val; + + // The output and temporary images + + IplImage* color_img0; + IplImage* mask; + IplImage* color_img; + IplImage* gray_img0; + IplImage* gray_img; + +} t_pdp_opencv_floodfill; + + + +static void pdp_opencv_floodfill_process_rgb(t_pdp_opencv_floodfill *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); + int i; + + + if ((x->x_width != (t_int)header->info.image.width) || + (x->x_height != (t_int)header->info.image.height)) + { + + post("pdp_opencv_floodfill :: 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->color_img ); + cvReleaseImage( &x->color_img0 ); + cvReleaseImage( &x->mask ); + cvReleaseImage( &x->gray_img ); + cvReleaseImage( &x->gray_img0 ); + + + //Create cv_images + x->color_img0 = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 ); + x->color_img = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 ); + x->gray_img0 = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 ); + x->gray_img = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 ); + x->mask = cvCreateImage( cvSize(x->x_width + 2, x->x_height + 2), 8, 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->color_img->imageData, data, x->x_size*3 ); + + + cvCvtColor(x->color_img, x->gray_img, CV_BGR2GRAY); + + + int px = 0; + int py = 0; + int biggestNum=0,biggestLocX=0,biggestLocY=0; + int haveOne=0; + CvPixelPosition8u sil; + int stride = x->gray_img->widthStep; + unsigned char * pI = (unsigned char *)x->gray_img->imageData; + CV_INIT_PIXEL_POS(sil, pI, x->gray_img->widthStep, cvSize(x->gray_img->width, x->gray_img->height), 0, 0,IPL_ORIGIN_TL); + CvPoint xy; + CvPoint seed = cvPoint(px,py); + int lo = x->ffill_case == 0 ? 0 : x->lo_diff; + int up = x->ffill_case == 0 ? 0 : x->up_diff; + int flags = x->connectivity + (x->new_mask_val << 8) + + (x->ffill_case == 1 ? CV_FLOODFILL_FIXED_RANGE : 0); + CvConnectedComp comp; + int min_area_size = 200; + + for(py=0; pygray_img->height; py++) + { + for(px=0; pxgray_img->width; px++) + { + if(*(sil.currline + sil.x) != 0) // check if used yet + { + xy.x = px; + xy.y = py; + cvFloodFill ( x->gray_img, xy, cvRealScalar(100), cvRealScalar(lo), cvRealScalar(up), &comp, flags, NULL ); + // if size is too small remove that region + // Also, keep only the biggest region!!! + if( ((int)(comp.area)gray_img, xy, cvRealScalar(0), cvRealScalar(lo), cvRealScalar(up), &comp, flags, NULL ); + } else { // for keeping just the largest + // remove previous max + if(haveOne) + { + xy.x = biggestLocX; + xy.y = biggestLocY; + //cvFloodFill ( x->gray_img, xy, cvRealScalar(0), cvRealScalar(lo), cvRealScalar(up), &comp, flags, NULL ); + } else haveOne=1; + biggestNum=(int)(comp.area); + biggestLocX=px; + biggestLocY=py; + } + } + CV_MOVE_RIGHT_WRAP(sil, 1); + } + CV_MOVE_DOWN(sil, 1); + } + if(haveOne) + { + xy.x = biggestLocX; + xy.y = biggestLocY; + //cvFloodFill ( x->gray_img, xy, cvRealScalar(255), cvRealScalar(lo), cvRealScalar(up), &comp, flags, NULL ); + } + + + + //CvScalar brightness = cvRealScalar(255); + //cvFloodFill( x->color_img, seed, CV_RGB(255,255,255), CV_RGB(lo,lo,lo), + // CV_RGB(up,up,up), &comp, flags, NULL ); + + cvCvtColor(x->gray_img, x->color_img, CV_GRAY2BGR); + + memcpy( newdata, x->color_img->imageData, x->x_size*3 ); + //printf("%g pixels were repainted\n", comp.area ); + return; +} + + +static void pdp_opencv_floodfill_diff(t_pdp_opencv_floodfill *x, t_floatarg f) +{ + if ((f==1)||(f==3)||(f==5)||(f==7)) x->up_diff = (int)f; +} + +static void pdp_opencv_floodfill_sendpacket(t_pdp_opencv_floodfill *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_floodfill_process(t_pdp_opencv_floodfill *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_floodfill_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_floodfill_process_rgb, pdp_opencv_floodfill_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_opencv_floodfill_process */ + break; + + } + } + +} + +static void pdp_opencv_floodfill_input_0(t_pdp_opencv_floodfill *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_floodfill_process(x); + } +} + +static void pdp_opencv_floodfill_free(t_pdp_opencv_floodfill *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->color_img ); + cvReleaseImage( &x->color_img0 ); + cvReleaseImage( &x->mask ); + cvReleaseImage( &x->gray_img ); + cvReleaseImage( &x->gray_img0 ); +} + +t_class *pdp_opencv_floodfill_class; + + +void *pdp_opencv_floodfill_new(t_floatarg f) +{ + int i; + + t_pdp_opencv_floodfill *x = (t_pdp_opencv_floodfill *)pd_new(pdp_opencv_floodfill_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("lo_diff")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("up_diff")); + + 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; + + x->x_infosok = 0; + + x->ffill_case = 1; + x->lo_diff = 20; + x->up_diff = 20; + x->connectivity = 4; + x->is_color = 1; + x->is_mask = 0; + x->new_mask_val = 255; + + x->color_img0 = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 ); + x->color_img = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 ); + x->mask = cvCreateImage( cvSize(x->x_width + 2, x->x_height + 2), 8, 1 ); + x->gray_img0 = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 ); + x->gray_img = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 ); + + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_opencv_floodfill_setup(void) +{ + + post( " pdp_opencv_floodfill"); + pdp_opencv_floodfill_class = class_new(gensym("pdp_opencv_floodfill"), (t_newmethod)pdp_opencv_floodfill_new, + (t_method)pdp_opencv_floodfill_free, sizeof(t_pdp_opencv_floodfill), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_opencv_floodfill_class, (t_method)pdp_opencv_floodfill_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + //class_addmethod(pdp_opencv_floodfill_class, (t_method)pdp_opencv_floodfill_up_diff, gensym("up_diff"), A_FLOAT, A_NULL ); + //class_addmethod(pdp_opencv_floodfill_class, (t_method)pdp_opencv_floodfill_lo_diff, gensym("lo_diff"), A_FLOAT, A_NULL ); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1