void
drawface(Face *f, int i)
{
char *tstr;
Rectangle r;
Point p;
if(f == nil)
return;
if(i<first || i>=last)
return;
r = facerect(i-first);
draw(screen, r, bgrnd, nil, ZP);
draw(screen, r, f->bit, f->mask, ZP);
r.min.y += Facesize;
center(mediumfont, r.min, f->str[Suser], display->black);
r.min.y += mediumfont->height;
tstr = facetime(f, &f->recent);
center(mediumfont, r.min, tstr, display->black);
if(f->unknown){
r.min.y -= mediumfont->height + tinyfont->height + 2;
for(p.x=-1; p.x<=1; p.x++)
for(p.y=-1; p.y<=1; p.y++)
center(tinyfont, addpt(r.min, p), f->str[Sdomain], display->white);
center(tinyfont, r.min, f->str[Sdomain], display->black);
}
}
void
addface(Face *f) /* always adds at 0 */
{
Face **ofaces;
Rectangle r0, r1, r;
int y, nx, ny;
if(f == nil)
return;
if(first != 0){
first = 0;
eresized(0);
}
findbit(f);
nx = nacross;
ny = (nfaces+(nx-1)) / nx;
lockdisplay(display);
for(y=ny; y>=0; y--){
/* move them along */
r0 = facerect(y*nx+0);
r1 = facerect(y*nx+1);
r = r1;
r.max.x = r.min.x + (nx - 1)*(Facesize+Facesep);
draw(screen, r, screen, nil, r0.min);
/* copy one down from row above */
if(y != 0){
r = facerect((y-1)*nx+nx-1);
draw(screen, r0, screen, nil, r.min);
}
}
ofaces = faces;
faces = emalloc((nfaces+1)*sizeof(Face*));
memmove(faces+1, ofaces, nfaces*(sizeof(Face*)));
free(ofaces);
nfaces++;
setlast();
drawarrows();
faces[0] = f;
drawface(f, 0);
flushimage(display, 1);
unlockdisplay(display);
}
void
delface(int j)
{
Rectangle r0, r1, r;
int nx, ny, x, y;
if(j < first)
first--;
else if(j < last){
nx = nacross;
ny = (nfaces+(nx-1)) / nx;
x = (j-first)%nx;
for(y=(j-first)/nx; y<ny; y++){
if(x != nx-1){
/* move them along */
r0 = facerect(y*nx+x);
r1 = facerect(y*nx+x+1);
r = r0;
r.max.x = r.min.x + (nx - x - 1)*(Facesize+Facesep);
draw(screen, r, screen, nil, r1.min);
}
if(y != ny-1){
/* copy one up from row below */
r = facerect((y+1)*nx);
draw(screen, facerect(y*nx+nx-1), screen, nil, r.min);
}
x = 0;
}
if(last < nfaces) /* first off-screen becomes visible */
drawface(faces[last], last-1);
else{
/* clear final spot */
r = facerect(last-first-1);
draw(screen, r, bgrnd, nil, r.min);
}
}
freeface(faces[j]);
memmove(faces+j, faces+j+1, (nfaces-(j+1))*sizeof(Face*));
nfaces--;
setlast();
drawarrows();
}
void DetectEyesAndMouth( // use OpenCV detectors to find the eyes and mouth
DetPar& detpar, // io: eye and mouth fields updated, other fields untouched
const Image& img) // in: ROI around face (already rotated if necessary)
{
Rect facerect(cvRound(detpar.x - detpar.width/2),
cvRound(detpar.y - detpar.height/2),
cvRound(detpar.width),
cvRound(detpar.height));
// possibly get the eyes
detpar.lex = detpar.ley = INVALID; // mark eyes as unavailable
detpar.rex = detpar.rey = INVALID;
vec_Rect leyes, reyes;
int ileft_best = -1, iright_best = -1; // indices into leyes and reyes
if (!leye_det_g.empty()) // do we need the eyes? (depends on model estart field)
{
DetectAllEyes(leyes, reyes,
img, detpar.eyaw, facerect);
SelectEyes(ileft_best, iright_best,
detpar.eyaw, leyes, reyes, EyeInnerRect(detpar.eyaw, facerect));
if (ileft_best >= 0)
RectToImgFrame(detpar.lex, detpar.ley,
leyes[ileft_best]);
if (iright_best >= 0)
RectToImgFrame(detpar.rex, detpar.rey,
reyes[iright_best]);
}
// possibly get the mouth
detpar.mouthx = detpar.mouthy = INVALID; // mark mouth as unavailable
if (!mouth_det_g.empty()) // do we need the mouth? (depends on model estart field)
{
vec_Rect mouths;
DetectAllMouths(mouths,
img, detpar.eyaw, facerect,
ileft_best, iright_best, leyes, reyes);
if (!mouths.empty())
{
int imouth_best = -1;
SelectMouth(imouth_best,
ileft_best, iright_best, leyes, reyes, mouths,
MouthInnerRect(facerect, detpar.eyaw,
ileft_best, iright_best, leyes, reyes));
if (imouth_best >= 0)
{
TweakMouthPosition(mouths,
leyes, reyes, ileft_best, iright_best,
imouth_best, detpar);
RectToImgFrame(detpar.mouthx, detpar.mouthy,
mouths[imouth_best]);
}
}
}
}