static inline int window_draw_overlay (zbar_window_t *w)
{
if(!w->overlay)
return(0);
if(w->overlay >= 1 && w->image && w->image->syms) {
/* FIXME outline each symbol */
const zbar_symbol_t *sym = w->image->syms->head;
for(; sym; sym = sym->next) {
uint32_t color = ((sym->cache_count < 0) ? 4 : 2);
if(sym->type == ZBAR_QRCODE)
window_outline_symbol(w, color, sym);
else {
/* FIXME linear bbox broken */
point_t org = w->scaled_offset;
int i;
for(i = 0; i < sym->npts; i++) {
point_t p = window_scale_pt(w, sym->pts[i]);
p.x += org.x;
p.y += org.y;
if(p.x < 3)
p.x = 3;
else if(p.x > w->width - 4)
p.x = w->width - 4;
if(p.y < 3)
p.y = 3;
else if(p.y > w->height - 4)
p.y = w->height - 4;
_zbar_window_draw_marker(w, color, p);
}
}
}
}
if(w->overlay >= 2) {
/* calculate/display frame rate */
unsigned long _time;
#if defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0
struct timespec abstime;
clock_gettime(CLOCK_REALTIME, &abstime);
_time = (abstime.tv_sec * 1000) + ((abstime.tv_nsec / 500000) + 1) / 2;
#else
struct timeval abstime;
gettimeofday(&abstime, NULL);
_time = (abstime.tv_sec * 1000) + ((abstime.tv_usec / 500) + 1) / 2;
#endif
point_t p = { -8, -1 };
char text[32];
if(w->time) {
int avg = w->time_avg = (w->time_avg + _time - w->time) / 2;
sprintf(text, "%d.%01d fps", 1000 / avg, (10000 / avg) % 10);
_zbar_window_draw_text(w, 3, p, text);
}
w->time = _time;
}
return(0);
}
static void window_outline_symbol (zbar_window_t *w,
uint32_t color,
const zbar_symbol_t *sym)
{
if(sym->syms) {
const zbar_symbol_t *s;
for(s = sym->syms->head; s; s = s->next)
window_outline_symbol(w, 1, s);
}
_zbar_window_draw_polygon(w, color, sym->pts, sym->npts);
}
static inline int window_draw_overlay (zbar_window_t *w)
{
if(!w->overlay)
return(0);
if(w->overlay >= 1 && w->image && w->image->syms) {
/* FIXME outline each symbol */
const zbar_symbol_t *sym = w->image->syms->head;
for(; sym; sym = sym->next) {
uint32_t color = ((sym->cache_count < 0) ? 4 : 2);
if(sym->type == ZBAR_QRCODE)
window_outline_symbol(w, color, sym);
else {
/* FIXME linear bbox broken */
point_t org = w->scaled_offset;
int i;
for(i = 0; i < sym->npts; i++) {
point_t p = window_scale_pt(w, sym->pts[i]);
p.x += org.x;
p.y += org.y;
if(p.x < 3)
p.x = 3;
else if(p.x > w->width - 4)
p.x = w->width - 4;
if(p.y < 3)
p.y = 3;
else if(p.y > w->height - 4)
p.y = w->height - 4;
_zbar_window_draw_marker(w, color, p);
}
}
}
}
if(w->overlay >= 2) {
/* calculate/display frame rate */
unsigned long time = _zbar_timer_now();
if(w->time) {
int avg = w->time_avg = (w->time_avg + time - w->time) / 2;
point_t p = { -8, -1 };
char text[32];
sprintf(text, "%d.%01d fps", 1000 / avg, (10000 / avg) % 10);
_zbar_window_draw_text(w, 3, p, text);
}
w->time = time;
}
return(0);
}