JNIEXPORT void JNICALL
Java_net_sourceforge_zbar_Image_setCrop__IIII (JNIEnv *env,
jobject obj,
jint x, jint y,
jint w, jint h)
{
VALIDATE_CROP(x, w);
VALIDATE_CROP(y, h);
zbar_image_set_crop(GET_PEER(Image, obj), x, y, w, h);
}
JNIEXPORT jstring JNICALL Java_com_acdd_qrcode_BarCode_decodeCrop(
JNIEnv *env,jclass clazz, jbyteArray img, jint width, jint height,
jint x, jint y, jint cropw, jint croph) {
zbar_image_scanner_t *scanner;
zbar_image_t *zimage;
zbar_image_t *zgrayimage;
jbyte *pixbuf;
jstring s = NULL;
zbar_set_verbosity(10); // XXX
pixbuf = (*env)->GetByteArrayElements(env, img, 0);
zimage = zbar_image_create();
if (zimage == NULL) {
(*env)->ReleaseByteArrayElements(env, img, pixbuf, 0);
return NULL;
}
zbar_image_set_format(zimage, *(unsigned long *) "Y800");
zbar_image_set_size(zimage, width, height);
zbar_image_set_data(zimage, pixbuf, (*env)->GetArrayLength(env, img),
zbar_image_free_data);
zbar_image_set_crop(zimage, x, y, cropw, croph);
zgrayimage = zbar_image_convert(zimage, *(unsigned long *) "Y800");
if (zgrayimage == NULL) {
(*env)->ReleaseByteArrayElements(env, img, pixbuf, 0);
return NULL;
}
zbar_image_destroy(zimage);
scanner = zbar_image_scanner_create();
zbar_image_scanner_set_config(scanner, 0, ZBAR_CFG_ENABLE, 1);
zbar_scan_image(scanner, zgrayimage);
const zbar_symbol_t *sym;
sym = zbar_image_first_symbol(zgrayimage);
if (sym != NULL) {
const char *sym_data;
sym_data = zbar_symbol_get_data(sym);
__android_log_print(ANDROID_LOG_DEBUG, "zbar", "url: %s", sym_data);
s = (*env)->NewStringUTF(env, sym_data);
}
(*env)->ReleaseByteArrayElements(env, img, pixbuf, 0);
return s;
}
JNIEXPORT void JNICALL
Java_net_sourceforge_zbar_Image_setCrop___3I (JNIEnv *env,
jobject obj,
jintArray crop)
{
if((*env)->GetArrayLength(env, crop) != 4)
throw_exc(env, "java/lang/IllegalArgumentException",
"crop must be an array of four ints");
jint dims[4];
(*env)->GetIntArrayRegion(env, crop, 0, 4, dims);
VALIDATE_CROP(dims[0], dims[2]);
VALIDATE_CROP(dims[1], dims[3]);
zbar_image_set_crop(GET_PEER(Image, obj),
dims[0], dims[1], dims[2], dims[3]);
}
