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112 lines
4.1 KiB
Rust
112 lines
4.1 KiB
Rust
/*
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* Copyright 2010 ZXing authors
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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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// package com::google::zxing::aztec;
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/**
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* This implementation can detect and decode Aztec codes in an image.
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*
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* @author David Olivier
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*/
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#[derive(Reader)]
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pub struct AztecReader {
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}
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impl AztecReader {
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/**
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* Locates and decodes a Data Matrix code in an image.
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*
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* @return a String representing the content encoded by the Data Matrix code
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* @throws NotFoundException if a Data Matrix code cannot be found
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* @throws FormatException if a Data Matrix code cannot be decoded
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*/
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pub fn decode(&self, image: &BinaryBitmap) -> /* throws NotFoundException, FormatException */Result<Result, Rc<Exception>> {
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return Ok(self.decode(image, null));
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}
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pub fn decode(&self, image: &BinaryBitmap, hints: &Map<DecodeHintType, ?>) -> /* throws NotFoundException, FormatException */Result<Result, Rc<Exception>> {
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let not_found_exception: NotFoundException = null;
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let format_exception: FormatException = null;
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let detector: Detector = Detector::new(&image.get_black_matrix());
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let mut points: Vec<ResultPoint> = null;
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let decoder_result: DecoderResult = null;
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let tryResult1 = 0;
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'try1: loop {
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{
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let detector_result: AztecDetectorResult = detector.detect(false);
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points = detector_result.get_points();
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decoder_result = Decoder::new().decode(detector_result);
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}
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break 'try1
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}
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match tryResult1 {
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catch ( e: &NotFoundException) {
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not_found_exception = e;
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} catch ( e: &FormatException) {
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format_exception = e;
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} 0 => break
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}
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if decoder_result == null {
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let tryResult1 = 0;
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'try1: loop {
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{
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let detector_result: AztecDetectorResult = detector.detect(true);
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points = detector_result.get_points();
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decoder_result = Decoder::new().decode(detector_result);
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}
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break 'try1
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}
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match tryResult1 {
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catch ( e: &NotFoundExceptionFormatException | ) {
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if not_found_exception != null {
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throw not_found_exception;
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}
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if format_exception != null {
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throw format_exception;
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}
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throw e;
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} 0 => break
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}
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}
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if hints != null {
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let rpcb: ResultPointCallback = hints.get(DecodeHintType::NEED_RESULT_POINT_CALLBACK) as ResultPointCallback;
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if rpcb != null {
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for let point: ResultPoint in points {
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rpcb.found_possible_result_point(point);
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}
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}
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}
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let result: Result = Result::new(&decoder_result.get_text(), &decoder_result.get_raw_bytes(), &decoder_result.get_num_bits(), points, BarcodeFormat::AZTEC, &System::current_time_millis());
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let byte_segments: List<Vec<i8>> = decoder_result.get_byte_segments();
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if byte_segments != null {
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result.put_metadata(ResultMetadataType::BYTE_SEGMENTS, &byte_segments);
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}
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let ec_level: String = decoder_result.get_e_c_level();
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if ec_level != null {
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result.put_metadata(ResultMetadataType::ERROR_CORRECTION_LEVEL, &ec_level);
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}
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result.put_metadata(ResultMetadataType::SYMBOLOGY_IDENTIFIER, format!("]z{}", decoder_result.get_symbology_modifier()));
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return Ok(result);
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}
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pub fn reset(&self) {
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// do nothing
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}
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}
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