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190 lines
8.9 KiB
Rust
190 lines
8.9 KiB
Rust
/*
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* Copyright 2007 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::datamatrix::decoder;
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/**
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* The Version object encapsulates attributes about a particular
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* size Data Matrix Code.
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*
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* @author bbrown@google.com (Brian Brown)
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*/
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const VERSIONS: Vec<Version> = ::build_versions();
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pub struct Version {
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let version_number: i32;
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let symbol_size_rows: i32;
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let symbol_size_columns: i32;
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let data_region_size_rows: i32;
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let data_region_size_columns: i32;
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let ec_blocks: ECBlocks;
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let total_codewords: i32;
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}
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impl Version {
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fn new( version_number: i32, symbol_size_rows: i32, symbol_size_columns: i32, data_region_size_rows: i32, data_region_size_columns: i32, ec_blocks: &ECBlocks) -> Version {
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let .versionNumber = version_number;
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let .symbolSizeRows = symbol_size_rows;
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let .symbolSizeColumns = symbol_size_columns;
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let .dataRegionSizeRows = data_region_size_rows;
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let .dataRegionSizeColumns = data_region_size_columns;
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let .ecBlocks = ec_blocks;
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// Calculate the total number of codewords
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let mut total: i32 = 0;
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let ec_codewords: i32 = ec_blocks.get_e_c_codewords();
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let ecb_array: Vec<ECB> = ec_blocks.get_e_c_blocks();
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for let ec_block: ECB in ecb_array {
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total += ec_block.get_count() * (ec_block.get_data_codewords() + ec_codewords);
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}
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let .totalCodewords = total;
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}
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pub fn get_version_number(&self) -> i32 {
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return self.version_number;
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}
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pub fn get_symbol_size_rows(&self) -> i32 {
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return self.symbol_size_rows;
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}
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pub fn get_symbol_size_columns(&self) -> i32 {
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return self.symbol_size_columns;
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}
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pub fn get_data_region_size_rows(&self) -> i32 {
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return self.data_region_size_rows;
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}
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pub fn get_data_region_size_columns(&self) -> i32 {
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return self.data_region_size_columns;
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}
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pub fn get_total_codewords(&self) -> i32 {
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return self.total_codewords;
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}
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fn get_e_c_blocks(&self) -> ECBlocks {
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return self.ec_blocks;
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}
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/**
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* <p>Deduces version information from Data Matrix dimensions.</p>
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*
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* @param numRows Number of rows in modules
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* @param numColumns Number of columns in modules
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* @return Version for a Data Matrix Code of those dimensions
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* @throws FormatException if dimensions do correspond to a valid Data Matrix size
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*/
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pub fn get_version_for_dimensions( num_rows: i32, num_columns: i32) -> /* throws FormatException */Result<Version, Rc<Exception>> {
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if (num_rows & 0x01) != 0 || (num_columns & 0x01) != 0 {
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throw FormatException::get_format_instance();
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}
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for let version: Version in VERSIONS {
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if version.symbolSizeRows == num_rows && version.symbolSizeColumns == num_columns {
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return Ok(version);
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}
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}
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throw FormatException::get_format_instance();
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}
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/**
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* <p>Encapsulates a set of error-correction blocks in one symbol version. Most versions will
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* use blocks of differing sizes within one version, so, this encapsulates the parameters for
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* each set of blocks. It also holds the number of error-correction codewords per block since it
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* will be the same across all blocks within one version.</p>
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*/
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struct ECBlocks {
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let ec_codewords: i32;
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let ec_blocks: Vec<ECB>;
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}
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impl ECBlocks {
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fn new( ec_codewords: i32, ec_blocks: &ECB) -> ECBlocks {
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let .ecCodewords = ec_codewords;
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let .ecBlocks = : vec![ECB; 1] = vec![ec_blocks, ]
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;
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}
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fn new( ec_codewords: i32, ec_blocks1: &ECB, ec_blocks2: &ECB) -> ECBlocks {
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let .ecCodewords = ec_codewords;
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let .ecBlocks = : vec![ECB; 2] = vec![ec_blocks1, ec_blocks2, ]
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;
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}
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fn get_e_c_codewords(&self) -> i32 {
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return self.ec_codewords;
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}
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fn get_e_c_blocks(&self) -> Vec<ECB> {
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return self.ec_blocks;
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}
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}
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/**
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* <p>Encapsulates the parameters for one error-correction block in one symbol version.
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* This includes the number of data codewords, and the number of times a block with these
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* parameters is used consecutively in the Data Matrix code version's format.</p>
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*/
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struct ECB {
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let count: i32;
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let data_codewords: i32;
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}
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impl ECB {
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fn new( count: i32, data_codewords: i32) -> ECB {
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let .count = count;
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let .dataCodewords = data_codewords;
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}
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fn get_count(&self) -> i32 {
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return self.count;
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}
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fn get_data_codewords(&self) -> i32 {
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return self.data_codewords;
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}
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}
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pub fn to_string(&self) -> String {
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return String::value_of(self.version_number);
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}
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/**
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* See ISO 16022:2006 5.5.1 Table 7
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*/
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fn build_versions() -> Vec<Version> {
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return : vec![Version; 48] = vec![Version::new(1, 10, 10, 8, 8, ECBlocks::new(5, ECB::new(1, 3))), Version::new(2, 12, 12, 10, 10, ECBlocks::new(7, ECB::new(1, 5))), Version::new(3, 14, 14, 12, 12, ECBlocks::new(10, ECB::new(1, 8))), Version::new(4, 16, 16, 14, 14, ECBlocks::new(12, ECB::new(1, 12))), Version::new(5, 18, 18, 16, 16, ECBlocks::new(14, ECB::new(1, 18))), Version::new(6, 20, 20, 18, 18, ECBlocks::new(18, ECB::new(1, 22))), Version::new(7, 22, 22, 20, 20, ECBlocks::new(20, ECB::new(1, 30))), Version::new(8, 24, 24, 22, 22, ECBlocks::new(24, ECB::new(1, 36))), Version::new(9, 26, 26, 24, 24, ECBlocks::new(28, ECB::new(1, 44))), Version::new(10, 32, 32, 14, 14, ECBlocks::new(36, ECB::new(1, 62))), Version::new(11, 36, 36, 16, 16, ECBlocks::new(42, ECB::new(1, 86))), Version::new(12, 40, 40, 18, 18, ECBlocks::new(48, ECB::new(1, 114))), Version::new(13, 44, 44, 20, 20, ECBlocks::new(56, ECB::new(1, 144))), Version::new(14, 48, 48, 22, 22, ECBlocks::new(68, ECB::new(1, 174))), Version::new(15, 52, 52, 24, 24, ECBlocks::new(42, ECB::new(2, 102))), Version::new(16, 64, 64, 14, 14, ECBlocks::new(56, ECB::new(2, 140))), Version::new(17, 72, 72, 16, 16, ECBlocks::new(36, ECB::new(4, 92))), Version::new(18, 80, 80, 18, 18, ECBlocks::new(48, ECB::new(4, 114))), Version::new(19, 88, 88, 20, 20, ECBlocks::new(56, ECB::new(4, 144))), Version::new(20, 96, 96, 22, 22, ECBlocks::new(68, ECB::new(4, 174))), Version::new(21, 104, 104, 24, 24, ECBlocks::new(56, ECB::new(6, 136))), Version::new(22, 120, 120, 18, 18, ECBlocks::new(68, ECB::new(6, 175))), Version::new(23, 132, 132, 20, 20, ECBlocks::new(62, ECB::new(8, 163))), Version::new(24, 144, 144, 22, 22, ECBlocks::new(62, ECB::new(8, 156), ECB::new(2, 155))), Version::new(25, 8, 18, 6, 16, ECBlocks::new(7, ECB::new(1, 5))), Version::new(26, 8, 32, 6, 14, ECBlocks::new(11, ECB::new(1, 10))), Version::new(27, 12, 26, 10, 24, ECBlocks::new(14, ECB::new(1, 16))), Version::new(28, 12, 36, 10, 16, ECBlocks::new(18, ECB::new(1, 22))), Version::new(29, 16, 36, 14, 16, ECBlocks::new(24, ECB::new(1, 32))), Version::new(30, 16, 48, 14, 22, ECBlocks::new(28, ECB::new(1, 49))), // ISO 21471:2020 (DMRE) 5.5.1 Table 7
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Version::new(31, 8, 48, 6, 22, ECBlocks::new(15, ECB::new(1, 18))), Version::new(32, 8, 64, 6, 14, ECBlocks::new(18, ECB::new(1, 24))), Version::new(33, 8, 80, 6, 18, ECBlocks::new(22, ECB::new(1, 32))), Version::new(34, 8, 96, 6, 22, ECBlocks::new(28, ECB::new(1, 38))), Version::new(35, 8, 120, 6, 18, ECBlocks::new(32, ECB::new(1, 49))), Version::new(36, 8, 144, 6, 22, ECBlocks::new(36, ECB::new(1, 63))), Version::new(37, 12, 64, 10, 14, ECBlocks::new(27, ECB::new(1, 43))), Version::new(38, 12, 88, 10, 20, ECBlocks::new(36, ECB::new(1, 64))), Version::new(39, 16, 64, 14, 14, ECBlocks::new(36, ECB::new(1, 62))), Version::new(40, 20, 36, 18, 16, ECBlocks::new(28, ECB::new(1, 44))), Version::new(41, 20, 44, 18, 20, ECBlocks::new(34, ECB::new(1, 56))), Version::new(42, 20, 64, 18, 14, ECBlocks::new(42, ECB::new(1, 84))), Version::new(43, 22, 48, 20, 22, ECBlocks::new(38, ECB::new(1, 72))), Version::new(44, 24, 48, 22, 22, ECBlocks::new(41, ECB::new(1, 80))), Version::new(45, 24, 64, 22, 14, ECBlocks::new(46, ECB::new(1, 108))), Version::new(46, 26, 40, 24, 18, ECBlocks::new(38, ECB::new(1, 70))), Version::new(47, 26, 48, 24, 22, ECBlocks::new(42, ECB::new(1, 90))), Version::new(48, 26, 64, 24, 14, ECBlocks::new(50, ECB::new(1, 118))), ]
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;
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}
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}
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