int main()
{
int thresh=25;
CvCapture* capture;
capture = cvCreateCameraCapture(-1);
IplImage *frame,*res;
char win[]="video_stream";
char win2[]="outline_feed";
cvNamedWindow(win,CV_WINDOW_AUTOSIZE);
cvNamedWindow(win2,CV_WINDOW_AUTOSIZE);
cvCreateTrackbar("Threshold",win2,&thresh,128);
while(1)
{
frame=cvQueryFrame(capture);
res = findedge(frame,thresh);
clearnoise(res,0, 3);
clearnoise(res,1, 3);
cvShowImage(win,frame);
cvShowImage(win2,res);
if(cvWaitKey(50)==27)
break;
}
cvReleaseImage(&frame);
cvReleaseImage(&res);
cvReleaseCapture(&capture);
cvDestroyWindow(win);
cvDestroyWindow(win2);
return 0;
}
int linkedgenpolys (edge2polydata_t *e2pdp) {
edge_t *ep;
poly_t *p0p, *p1p, *pp;
if (!(ep = findedge (e2pdp->tlid))) {
SUwarning (1, "linkedgenpolys", "findedge failed");
return -1;
}
p0p = p1p = NULL;
if (e2pdp->polyidl && !(p0p = findpoly (e2pdp->polyidl, e2pdp->cenidl))) {
SUwarning (1, "linkedgenpolys", "findpoly failed for left poly");
return -1;
}
if (e2pdp->polyidr && !(p1p = findpoly (e2pdp->polyidr, e2pdp->cenidr))) {
SUwarning (1, "linkedgenpolys", "findpoly failed for right poly");
return -1;
}
if (
(ep->p0p && p0p && !ep->p1p && !p1p) ||
(!ep->p0p && !p0p && ep->p1p && p1p)
)
pp = p0p, p0p = p1p, p1p = pp;
if ((ep->p0p && p0p) || (ep->p1p && p1p))
SUwarning (1, "linkedgenpolys", "edge has polys attached");
if (p0p && !ep->p0p) {
ep->p0p = p0p;
if (p0p->edgepl == p0p->edgepn) {
if (!(p0p->edgeps = vmresize (
Vmheap, p0p->edgeps,
(p0p->edgepn * 2) * sizeof (edge_t *), VM_RSCOPY
))) {
SUwarning (1, "linkedgenpolys", "vmresize failed (1)");
return -1;
}
p0p->edgepn *= 2;
}
p0p->edgeps[(ep->p0i = p0p->edgepl++)] = ep;
}
if (p1p && !ep->p1p) {
ep->p1p = p1p;
if (p1p->edgepl == p1p->edgepn) {
if (!(p1p->edgeps = vmresize (
Vmheap, p1p->edgeps,
(p1p->edgepn * 2) * sizeof (edge_t *), VM_RSCOPY
))) {
SUwarning (1, "linkedgenpolys", "vmresize failed (2)");
return -1;
}
p1p->edgepn *= 2;
}
p1p->edgeps[(ep->p1i = p1p->edgepl++)] = ep;
}
return 0;
}
