2 * MultiFormatBarcodeReader.cpp
5 * Created by Lukasz Warchol on 10-01-26.
6 * Modified by Luiz Silva on 09/02/2010.
7 * Copyright 2010 ZXing authors All rights reserved.
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
22 #include <zxing/MultiFormatReader.h>
23 #include <zxing/qrcode/QRCodeReader.h>
24 #include <zxing/datamatrix/DataMatrixReader.h>
25 #include <zxing/oned/MultiFormatUPCEANReader.h>
26 #include <zxing/oned/MultiFormatOneDReader.h>
27 #include <zxing/ReaderException.h>
30 MultiFormatReader::MultiFormatReader() {
34 Ref<Result> MultiFormatReader::decode(Ref<BinaryBitmap> image) {
35 setHints(DecodeHints::DEFAULT_HINT);
36 return decodeInternal(image);
39 Ref<Result> MultiFormatReader::decode(Ref<BinaryBitmap> image, DecodeHints hints) {
41 return decodeInternal(image);
44 Ref<Result> MultiFormatReader::decodeWithState(Ref<BinaryBitmap> image) {
45 // Make sure to set up the default state so we don't crash
46 if (readers_.size() == 0) {
47 setHints(DecodeHints::DEFAULT_HINT);
49 return decodeInternal(image);
52 void MultiFormatReader::setHints(DecodeHints hints) {
55 bool tryHarder = hints.getTryHarder();
57 bool addOneDReader = hints.containsFormat(BarcodeFormat_UPC_E) ||
58 hints.containsFormat(BarcodeFormat_UPC_A) ||
59 hints.containsFormat(BarcodeFormat_EAN_8) ||
60 hints.containsFormat(BarcodeFormat_EAN_13) ||
61 hints.containsFormat(BarcodeFormat_CODE_128) ||
62 hints.containsFormat(BarcodeFormat_CODE_39) ||
63 hints.containsFormat(BarcodeFormat_ITF);
64 if (addOneDReader && !tryHarder) {
65 readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
67 if (hints.containsFormat(BarcodeFormat_QR_CODE)) {
68 readers_.push_back(Ref<Reader>(new zxing::qrcode::QRCodeReader()));
70 if (hints.containsFormat(BarcodeFormat_DATA_MATRIX)) {
71 readers_.push_back(Ref<Reader>(new zxing::datamatrix::DataMatrixReader()));
73 //TODO: add PDF417 here once PDF417 reader is implemented
74 if (addOneDReader && tryHarder) {
75 readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
77 if (readers_.size() == 0) {
79 readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
81 readers_.push_back(Ref<Reader>(new zxing::qrcode::QRCodeReader()));
83 readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
88 Ref<Result> MultiFormatReader::decodeInternal(Ref<BinaryBitmap> image) {
89 for (unsigned int i = 0; i < readers_.size(); i++) {
91 return readers_[i]->decode(image, hints_);
92 } catch (ReaderException re) {
96 throw ReaderException("No code detected");
99 MultiFormatReader::~MultiFormatReader() {