cvReleaseImage( &cnt_img );
}
+static void findCComp( IplImage* img )
+{
+ int x, y, cidx = 1;
+ IplImage* mask = cvCreateImage( cvSize(img->width+2, img->height+2), 8, 1 );
+ cvZero(mask);
+ cvRectangle( mask, cvPoint(0, 0), cvPoint(mask->width-1, mask->height-1),
+ cvScalarAll(1), 1, 8, 0 );
+
+ for( y = 0; y < img->height; y++ )
+ for( x = 0; x < img->width; x++ )
+ {
+ if( CV_IMAGE_ELEM(mask, uchar, y+1, x+1) != 0 )
+ continue;
+ cvFloodFill(img, cvPoint(x,y), cvScalarAll(cidx),
+ cvScalarAll(0), cvScalarAll(0), 0, 4, mask);
+ cidx++;
+ }
+}
int main( int argc, char** argv )
int i, j;
CvMemStorage* storage = cvCreateMemStorage(0);
IplImage* img = cvCreateImage( cvSize(w,w), 8, 1 );
+ IplImage* img32f = cvCreateImage( cvSize(w,w), IPL_DEPTH_32F, 1 );
+ IplImage* img32s = cvCreateImage( cvSize(w,w), IPL_DEPTH_32S, 1 );
+ IplImage* img3 = cvCreateImage( cvSize(w,w), 8, 3 );
help();
cvZero( img );
cvLine(img, cvPoint(cvRound(dx+100+j*10-80*cos(angle)),
cvRound(dy+100-90*sin(angle))),
cvPoint(cvRound(dx+100+j*10-30*cos(angle)),
- cvRound(dy+100-30*sin(angle))), white, 1, 8, 0);
+ cvRound(dy+100-30*sin(angle))), white, 3, 8, 0);
}
}
cvNamedWindow( "image", 1 );
cvShowImage( "image", img );
+ cvConvert( img, img32f );
+ findCComp( img32f );
+ cvConvert( img32f, img32s );
- cvFindContours( img, storage, &contours, sizeof(CvContour),
- CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );
+ cvFindContours( img32s, storage, &contours, sizeof(CvContour),
+ CV_RETR_CCOMP, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );
+
+ //cvFindContours( img, storage, &contours, sizeof(CvContour),
+ // CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );
+
{
const char* attrs[] = {"recursive", "1", 0};
cvNamedWindow( "contours", 1 );
cvCreateTrackbar( "levels+3", "contours", &levels, 7, on_trackbar );
+ {
+ CvRNG rng = cvRNG(-1);
+
+ CvSeq* tcontours = contours;
+ cvCvtColor( img, img3, CV_GRAY2BGR );
+ while( tcontours->h_next )
+ tcontours = tcontours->h_next;
+
+ for( ; tcontours != 0; tcontours = tcontours->h_prev )
+ {
+ CvScalar color;
+ color.val[0] = cvRandInt(&rng) % 256;
+ color.val[1] = cvRandInt(&rng) % 256;
+ color.val[2] = cvRandInt(&rng) % 256;
+ color.val[3] = cvRandInt(&rng) % 256;
+ cvDrawContours(img3, tcontours, color, color, 0, -1, 8, cvPoint(0,0));
+ if( tcontours->v_next )
+ {
+ color.val[0] = cvRandInt(&rng) % 256;
+ color.val[1] = cvRandInt(&rng) % 256;
+ color.val[2] = cvRandInt(&rng) % 256;
+ color.val[3] = cvRandInt(&rng) % 256;
+ cvDrawContours(img3, tcontours->v_next, color, color, 1, -1, 8, cvPoint(0,0));
+ }
+ }
+
+ }
+
+ cvShowImage( "colored", img3 );
on_trackbar(0);
cvWaitKey(0);
cvReleaseMemStorage( &storage );
cvReleaseImage( &img );
-
+ cvReleaseImage( &img32f );
+ cvReleaseImage( &img32s );
+ cvReleaseImage( &img3 );
+
return 0;
}