C++ (Cpp) _zbar_window_draw_textの例

コード例 #1

ファイル: window.c プロジェクト: radityaprawira/MoSync

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);
}

コード例 #2

ファイル: window.c プロジェクト: UNIVERSAL-IT-SYSTEMS/lib-zbar

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);
}