JNIEXPORT jlong JNICALL Java_net_sourceforge_zbar_ImageScanner_getResults (JNIEnv *env, jobject obj, jlong peer) { const zbar_symbol_set_t *zsyms = zbar_image_scanner_get_results(PEER_CAST(peer)); if(zsyms) { zbar_symbol_set_ref(zsyms, 1); stats.SymbolSet_create++; } return((intptr_t)zsyms); }
/* API lock is already held */ int _zbar_process_image (zbar_processor_t *proc, zbar_image_t *img) { uint32_t force_fmt = proc->force_output; int nsyms, rc; if(img) { zbar_image_t *tmp; uint32_t format = zbar_image_get_format(img); zprintf(16, "processing: %.4s(%08lx) %dx%d @%p\n", (char*)&format, format, zbar_image_get_width(img), zbar_image_get_height(img), zbar_image_get_data(img)); /* FIXME locking all other interfaces while processing is conservative * but easier for now and we don't expect this to take long... */ tmp = zbar_image_convert(img, fourcc('Y','8','0','0')); if(!tmp) goto error; if(proc->syms) { zbar_symbol_set_ref(proc->syms, -1); proc->syms = NULL; } zbar_image_scanner_recycle_image(proc->scanner, img); nsyms = zbar_scan_image(proc->scanner, tmp); _zbar_image_swap_symbols(img, tmp); zbar_image_destroy(tmp); tmp = NULL; if(nsyms < 0) goto error; proc->syms = zbar_image_scanner_get_results(proc->scanner); if(proc->syms) zbar_symbol_set_ref(proc->syms, 1); if(_zbar_verbosity >= 8) { const zbar_symbol_t *sym = zbar_image_first_symbol(img); while(sym) { zbar_symbol_type_t type = zbar_symbol_get_type(sym); int count = zbar_symbol_get_count(sym); zprintf(8, "%s%s: %s (%d pts) (q=%d) (%s)\n", zbar_get_symbol_name(type), zbar_get_addon_name(type), zbar_symbol_get_data(sym), zbar_symbol_get_loc_size(sym), zbar_symbol_get_quality(sym), (count < 0) ? "uncertain" : (count > 0) ? "duplicate" : "new"); sym = zbar_symbol_next(sym); } } if(nsyms) { /* FIXME only call after filtering */ _zbar_mutex_lock(&proc->mutex); _zbar_processor_notify(proc, EVENT_OUTPUT); _zbar_mutex_unlock(&proc->mutex); if(proc->handler) proc->handler(img, proc->userdata); } if(force_fmt) { zbar_symbol_set_t *syms = img->syms; img = zbar_image_convert(img, force_fmt); if(!img) goto error; img->syms = syms; zbar_symbol_set_ref(syms, 1); } } /* display to window if enabled */ rc = 0; if(force_fmt && img) zbar_image_destroy(img); return(rc); error: return(err_capture(proc, SEV_ERROR, ZBAR_ERR_UNSUPPORTED, __func__, "unknown image format")); }