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port version
This commit is contained in:
Henry Schimke
254
src/datamatrix/decoder/version.rs
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254
src/datamatrix/decoder/version.rs
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/*
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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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use core::fmt;
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use lazy_static::lazy_static;
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use crate::Exceptions;
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lazy_static! {
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static ref VERSIONS: Vec<Version> = Version::buildVersions();
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}
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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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pub struct Version {
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versionNumber: u32,
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symbolSizeRows: u32,
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symbolSizeColumns: u32,
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dataRegionSizeRows: u32,
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dataRegionSizeColumns: u32,
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ecBlocks: ECBlocks,
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totalCodewords: u32,
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}
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impl Version {
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pub fn new(
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versionNumber: u32,
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symbolSizeRows: u32,
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symbolSizeColumns: u32,
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dataRegionSizeRows: u32,
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dataRegionSizeColumns: u32,
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ecBlocks: ECBlocks,
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) -> Self {
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Self {
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versionNumber,
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symbolSizeRows,
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symbolSizeColumns,
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dataRegionSizeRows,
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dataRegionSizeColumns,
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totalCodewords: {
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// Calculate the total number of codewords
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let mut total = 0;
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let ecCodewords = &ecBlocks.getECCodewords();
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let ecbArray = ecBlocks.getECBlocks();
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for ecBlock in ecbArray {
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total += ecBlock.getCount() * (ecBlock.getDataCodewords() + ecCodewords);
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}
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total
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},
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ecBlocks,
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}
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}
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pub fn getVersionNumber(&self) -> u32 {
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self.versionNumber
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}
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pub fn getSymbolSizeRows(&self) -> u32 {
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self.symbolSizeRows
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}
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pub fn getSymbolSizeColumns(&self) -> u32 {
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self.symbolSizeColumns
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}
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pub fn getDataRegionSizeRows(&self) -> u32 {
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self.dataRegionSizeRows
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}
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pub fn getDataRegionSizeColumns(&self) -> u32 {
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self.dataRegionSizeColumns
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}
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pub fn getTotalCodewords(&self) -> u32 {
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self.totalCodewords
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}
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pub fn getECBlocks(&self) -> &ECBlocks {
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&self.ecBlocks
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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 getVersionForDimensions(
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numRows: u32,
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numColumns: u32,
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) -> Result<&'static Version, Exceptions> {
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if (numRows & 0x01) != 0 || (numColumns & 0x01) != 0 {
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return Err(Exceptions::FormatException("".to_owned()));
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}
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for version in VERSIONS.iter() {
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if version.symbolSizeRows == numRows && version.symbolSizeColumns == numColumns {
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return Ok(version);
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}
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}
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Err(Exceptions::FormatException("".to_owned()))
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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 buildVersions() -> Vec<Version> {
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vec![
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Version::new(1, 10, 10, 8, 8, ECBlocks::new(5, ECB::new(1, 3))),
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Version::new(2, 12, 12, 10, 10, ECBlocks::new(7, ECB::new(1, 5))),
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Version::new(3, 14, 14, 12, 12, ECBlocks::new(10, ECB::new(1, 8))),
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Version::new(4, 16, 16, 14, 14, ECBlocks::new(12, ECB::new(1, 12))),
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Version::new(5, 18, 18, 16, 16, ECBlocks::new(14, ECB::new(1, 18))),
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Version::new(6, 20, 20, 18, 18, ECBlocks::new(18, ECB::new(1, 22))),
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Version::new(7, 22, 22, 20, 20, ECBlocks::new(20, ECB::new(1, 30))),
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Version::new(8, 24, 24, 22, 22, ECBlocks::new(24, ECB::new(1, 36))),
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Version::new(9, 26, 26, 24, 24, ECBlocks::new(28, ECB::new(1, 44))),
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Version::new(10, 32, 32, 14, 14, ECBlocks::new(36, ECB::new(1, 62))),
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Version::new(11, 36, 36, 16, 16, ECBlocks::new(42, ECB::new(1, 86))),
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Version::new(12, 40, 40, 18, 18, ECBlocks::new(48, ECB::new(1, 114))),
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Version::new(13, 44, 44, 20, 20, ECBlocks::new(56, ECB::new(1, 144))),
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Version::new(14, 48, 48, 22, 22, ECBlocks::new(68, ECB::new(1, 174))),
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Version::new(15, 52, 52, 24, 24, ECBlocks::new(42, ECB::new(2, 102))),
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Version::new(16, 64, 64, 14, 14, ECBlocks::new(56, ECB::new(2, 140))),
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Version::new(17, 72, 72, 16, 16, ECBlocks::new(36, ECB::new(4, 92))),
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Version::new(18, 80, 80, 18, 18, ECBlocks::new(48, ECB::new(4, 114))),
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Version::new(19, 88, 88, 20, 20, ECBlocks::new(56, ECB::new(4, 144))),
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Version::new(20, 96, 96, 22, 22, ECBlocks::new(68, ECB::new(4, 174))),
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Version::new(21, 104, 104, 24, 24, ECBlocks::new(56, ECB::new(6, 136))),
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Version::new(22, 120, 120, 18, 18, ECBlocks::new(68, ECB::new(6, 175))),
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Version::new(23, 132, 132, 20, 20, ECBlocks::new(62, ECB::new(8, 163))),
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Version::new(
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24,
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144,
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144,
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22,
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22,
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ECBlocks::new2(62, ECB::new(8, 156), ECB::new(2, 155)),
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),
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Version::new(25, 8, 18, 6, 16, ECBlocks::new(7, ECB::new(1, 5))),
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Version::new(26, 8, 32, 6, 14, ECBlocks::new(11, ECB::new(1, 10))),
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Version::new(27, 12, 26, 10, 24, ECBlocks::new(14, ECB::new(1, 16))),
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Version::new(28, 12, 36, 10, 16, ECBlocks::new(18, ECB::new(1, 22))),
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Version::new(29, 16, 36, 14, 16, ECBlocks::new(24, ECB::new(1, 32))),
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Version::new(30, 16, 48, 14, 22, ECBlocks::new(28, ECB::new(1, 49))),
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// extended forms as specified in
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// 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))),
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Version::new(32, 8, 64, 6, 14, ECBlocks::new(18, ECB::new(1, 24))),
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Version::new(33, 8, 80, 6, 18, ECBlocks::new(22, ECB::new(1, 32))),
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Version::new(34, 8, 96, 6, 22, ECBlocks::new(28, ECB::new(1, 38))),
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Version::new(35, 8, 120, 6, 18, ECBlocks::new(32, ECB::new(1, 49))),
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Version::new(36, 8, 144, 6, 22, ECBlocks::new(36, ECB::new(1, 63))),
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Version::new(37, 12, 64, 10, 14, ECBlocks::new(27, ECB::new(1, 43))),
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Version::new(38, 12, 88, 10, 20, ECBlocks::new(36, ECB::new(1, 64))),
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Version::new(39, 16, 64, 14, 14, ECBlocks::new(36, ECB::new(1, 62))),
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Version::new(40, 20, 36, 18, 16, ECBlocks::new(28, ECB::new(1, 44))),
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Version::new(41, 20, 44, 18, 20, ECBlocks::new(34, ECB::new(1, 56))),
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Version::new(42, 20, 64, 18, 14, ECBlocks::new(42, ECB::new(1, 84))),
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Version::new(43, 22, 48, 20, 22, ECBlocks::new(38, ECB::new(1, 72))),
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Version::new(44, 24, 48, 22, 22, ECBlocks::new(41, ECB::new(1, 80))),
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Version::new(45, 24, 64, 22, 14, ECBlocks::new(46, ECB::new(1, 108))),
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Version::new(46, 26, 40, 24, 18, ECBlocks::new(38, ECB::new(1, 70))),
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Version::new(47, 26, 48, 24, 22, ECBlocks::new(42, ECB::new(1, 90))),
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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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impl fmt::Display for Version {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "{}", self.versionNumber)
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}
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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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pub struct ECBlocks {
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ecCodewords: u32,
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ecBlocks: Vec<ECB>,
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}
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impl ECBlocks {
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pub fn new(ecCodewords: u32, ecBlocks: ECB) -> Self {
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Self {
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ecCodewords,
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ecBlocks: vec![ecBlocks],
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}
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}
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pub fn new2(ecCodewords: u32, ecBlocks1: ECB, ecBlocks2: ECB) -> Self {
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Self {
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ecCodewords,
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ecBlocks: vec![ecBlocks1, ecBlocks2],
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}
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}
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pub fn getECCodewords(&self) -> u32 {
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self.ecCodewords
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}
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pub fn getECBlocks(&self) -> &[ECB] {
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&self.ecBlocks
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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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pub struct ECB {
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count: u32,
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dataCodewords: u32,
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}
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impl ECB {
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pub fn new(count: u32, dataCodewords: u32) -> Self {
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Self {
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count,
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dataCodewords,
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}
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}
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pub fn getCount(&self) -> u32 {
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self.count
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}
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pub fn getDataCodewords(&self) -> u32 {
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self.dataCodewords
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}
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}
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