mirror of https://github.com/status-im/qzxing.git
107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
/*
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* MultiFormatBarcodeReader.cpp
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* ZXing
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*
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* Created by Lukasz Warchol on 10-01-26.
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* Modified by Luiz Silva on 09/02/2010.
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* Copyright 2010 ZXing authors All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <zxing/MultiFormatReader.h>
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#include <zxing/qrcode/QRCodeReader.h>
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#include <zxing/datamatrix/DataMatrixReader.h>
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#include <zxing/aztec/AztecReader.h>
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#include <zxing/oned/MultiFormatUPCEANReader.h>
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#include <zxing/oned/MultiFormatOneDReader.h>
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#include <zxing/ReaderException.h>
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namespace zxing {
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MultiFormatReader::MultiFormatReader() {
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}
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Ref<Result> MultiFormatReader::decode(Ref<BinaryBitmap> image) {
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setHints(DecodeHints::DEFAULT_HINT);
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return decodeInternal(image);
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}
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Ref<Result> MultiFormatReader::decode(Ref<BinaryBitmap> image, DecodeHints hints) {
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setHints(hints);
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return decodeInternal(image);
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}
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Ref<Result> MultiFormatReader::decodeWithState(Ref<BinaryBitmap> image) {
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// Make sure to set up the default state so we don't crash
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if (readers_.size() == 0) {
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setHints(DecodeHints::DEFAULT_HINT);
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}
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return decodeInternal(image);
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}
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void MultiFormatReader::setHints(DecodeHints hints) {
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hints_ = hints;
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readers_.clear();
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bool tryHarder = hints.getTryHarder();
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bool addOneDReader = hints.containsFormat(BarcodeFormat_UPC_E) ||
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hints.containsFormat(BarcodeFormat_UPC_A) ||
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hints.containsFormat(BarcodeFormat_EAN_8) ||
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hints.containsFormat(BarcodeFormat_EAN_13) ||
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hints.containsFormat(BarcodeFormat_CODE_128) ||
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hints.containsFormat(BarcodeFormat_CODE_39) ||
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hints.containsFormat(BarcodeFormat_ITF);
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if (addOneDReader && !tryHarder) {
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readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
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}
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if (hints.containsFormat(BarcodeFormat_QR_CODE)) {
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readers_.push_back(Ref<Reader>(new zxing::qrcode::QRCodeReader()));
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}
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if (hints.containsFormat(BarcodeFormat_DATA_MATRIX)) {
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readers_.push_back(Ref<Reader>(new zxing::datamatrix::DataMatrixReader()));
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}
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if (hints.containsFormat(BarcodeFormat_AZTEC)) {
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readers_.push_back(Ref<Reader>(new zxing::aztec::AztecReader()));
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}
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//TODO: add PDF417 here once PDF417 reader is implemented
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if (addOneDReader && tryHarder) {
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readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
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}
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if (readers_.size() == 0) {
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if (!tryHarder) {
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readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
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}
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readers_.push_back(Ref<Reader>(new zxing::qrcode::QRCodeReader()));
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if (tryHarder) {
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readers_.push_back(Ref<Reader>(new zxing::oned::MultiFormatOneDReader(hints)));
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}
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}
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}
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Ref<Result> MultiFormatReader::decodeInternal(Ref<BinaryBitmap> image) {
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for (unsigned int i = 0; i < readers_.size(); i++) {
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try {
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return readers_[i]->decode(image, hints_);
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} catch (ReaderException const& re) {
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// continue
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}
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}
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throw ReaderException("No code detected");
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}
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MultiFormatReader::~MultiFormatReader() {
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}
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}
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