#include <math.h>
namespace zxing {
- namespace oned {
+ namespace oned {
- MultiFormatUPCEANReader::MultiFormatUPCEANReader(DecodeHints hints) : readers() {
- if (hints.containsFormat(BarcodeFormat_EAN_13)) {
- readers.push_back(Ref<OneDReader>(new EAN13Reader()));
- } else if (hints.containsFormat(BarcodeFormat_UPC_A)) {
- readers.push_back(Ref<OneDReader>(new UPCAReader()));
- }
- if (hints.containsFormat(BarcodeFormat_EAN_8)) {
- readers.push_back(Ref<OneDReader>(new EAN8Reader()));
- }
- if (hints.containsFormat(BarcodeFormat_UPC_E)) {
- readers.push_back(Ref<OneDReader>(new UPCEReader()));
- }
- if (readers.size() == 0) {
- readers.push_back(Ref<OneDReader>(new EAN13Reader()));
- // UPC-A is covered by EAN-13
- readers.push_back(Ref<OneDReader>(new EAN8Reader()));
- readers.push_back(Ref<OneDReader>(new UPCEReader()));
- }
- }
+ MultiFormatUPCEANReader::MultiFormatUPCEANReader(DecodeHints hints) : readers() {
+ if (hints.containsFormat(BarcodeFormat_EAN_13)) {
+ readers.push_back(Ref<OneDReader>(new EAN13Reader()));
+ } else if (hints.containsFormat(BarcodeFormat_UPC_A)) {
+ readers.push_back(Ref<OneDReader>(new UPCAReader()));
+ }
+ if (hints.containsFormat(BarcodeFormat_EAN_8)) {
+ readers.push_back(Ref<OneDReader>(new EAN8Reader()));
+ }
+ if (hints.containsFormat(BarcodeFormat_UPC_E)) {
+ readers.push_back(Ref<OneDReader>(new UPCEReader()));
+ }
+ if (readers.size() == 0) {
+ readers.push_back(Ref<OneDReader>(new EAN13Reader()));
+ // UPC-A is covered by EAN-13
+ readers.push_back(Ref<OneDReader>(new EAN8Reader()));
+ readers.push_back(Ref<OneDReader>(new UPCEReader()));
+ }
+ }
- Ref<Result> MultiFormatUPCEANReader::decodeRow(int rowNumber, Ref<BitArray> row) {
- // Compute this location once and reuse it on multiple implementations
- int size = readers.size();
- for (int i = 0; i < size; i++) {
- Ref<OneDReader> reader = readers[i];
- Ref<Result> result = reader->decodeRow(rowNumber, row);
- if (result.empty()) {
- continue;
- }
+ Ref<Result> MultiFormatUPCEANReader::decodeRow(int rowNumber, Ref<BitArray> row) {
+ // Compute this location once and reuse it on multiple implementations
+ int size = readers.size();
+ for (int i = 0; i < size; i++) {
+ Ref<OneDReader> reader = readers[i];
+ Ref<Result> result = reader->decodeRow(rowNumber, row);
+ if (result.empty()) {
+ continue;
+ }
- // Special case: a 12-digit code encoded in UPC-A is identical to a "0"
- // followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
- // UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
- // Individually these are correct and their readers will both read such a code
- // and correctly call it EAN-13, or UPC-A, respectively.
- //
- // In this case, if we've been looking for both types, we'd like to call it
- // a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
- // UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
- // result if appropriate.
- if (result->getBarcodeFormat() == BarcodeFormat_EAN_13) {
- const std::string& text = (result->getText())->getText();
- if (text[0] == '0') {
- Ref<String> resultString(new String(text.substr(1)));
- Ref<Result> res(new Result(resultString, result->getRawBytes(),
- result->getResultPoints(), BarcodeFormat_UPC_A));
- return res;
- }
- }
- return result;
- }
- return Ref<Result>();
- }
- }
+ // Special case: a 12-digit code encoded in UPC-A is identical to a "0"
+ // followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
+ // UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
+ // Individually these are correct and their readers will both read such a code
+ // and correctly call it EAN-13, or UPC-A, respectively.
+ //
+ // In this case, if we've been looking for both types, we'd like to call it
+ // a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
+ // UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
+ // result if appropriate.
+ if (result->getBarcodeFormat() == BarcodeFormat_EAN_13) {
+ const std::string& text = (result->getText())->getText();
+ if (text[0] == '0') {
+ Ref<String> resultString(new String(text.substr(1)));
+ Ref<Result> res(new Result(resultString, result->getRawBytes(),
+ result->getResultPoints(), BarcodeFormat_UPC_A));
+ return res;
+ }
+ }
+ return result;
+ }
+ return Ref<Result>();
+ }
+ }
}