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port pdf 417 writer

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This commit is contained in:
Henry Schimke
2022-12-26 13:29:57 -06:00
parent 0061fdd900
commit 07e8aa2971
6 changed files with 300 additions and 177 deletions
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30
src/barcode_format.rs
View File

@@ -16,6 +16,8 @@
//package com.google.zxing;
use std::fmt::Display;
/**
* Enumerates barcode formats known to this package. Please keep alphabetized.
*
@@ -74,3 +76,31 @@ pub enum BarcodeFormat {
/** UPC/EAN extension format. Not a stand-alone format. */
UPC_EAN_EXTENSION,
}
impl Display for BarcodeFormat {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}",
match self {
BarcodeFormat::AZTEC => "aztec",
BarcodeFormat::CODABAR => "codabar",
BarcodeFormat::CODE_39 => "code 39",
BarcodeFormat::CODE_93 => "code 93",
BarcodeFormat::CODE_128 => "code 128",
BarcodeFormat::DATA_MATRIX => "datamatrix",
BarcodeFormat::EAN_8 => "ean 8",
BarcodeFormat::EAN_13 => "ean 13",
BarcodeFormat::ITF => "itf",
BarcodeFormat::MAXICODE => "maxicode",
BarcodeFormat::PDF_417 => "pdf 417",
BarcodeFormat::QR_CODE => "qrcode",
BarcodeFormat::RSS_14 => "rss 14",
BarcodeFormat::RSS_EXPANDED => "rss expanded",
BarcodeFormat::UPC_A => "upc a",
BarcodeFormat::UPC_E => "upc e",
BarcodeFormat::UPC_EAN_EXTENSION => "upc/ean extension",
}
)
}
}

4
src/encode_hints.rs
View File

@@ -16,7 +16,7 @@
//package com.google.zxing;
use crate::Dimension;
use crate::{pdf417::encoder::Dimensions, Dimension};
/**
* These are a set of hints that you may pass to Writers to specify their behavior.
@@ -255,7 +255,7 @@ pub enum EncodeHintValue {
* Specifies the minimum and maximum number of rows and columns for PDF417 (type
* {@link com.google.zxing.pdf417.encoder.Dimensions Dimensions}).
*/
Pdf417Dimensions,
Pdf417Dimensions(Dimensions),
/**
* Specifies whether to automatically insert ECIs when encoding PDF417 (type {@link Boolean}, or "true" or "false"

175
src/pdf417/PDF417Writer.java
View File

@@ -1,175 +0,0 @@
/*
* Copyright 2012 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.zxing.pdf417;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.Writer;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.pdf417.encoder.Compaction;
import com.google.zxing.pdf417.encoder.Dimensions;
import com.google.zxing.pdf417.encoder.PDF417;
import java.nio.charset.Charset;
import java.util.Map;
/**
* @author Jacob Haynes
* @author qwandor@google.com (Andrew Walbran)
*/
public final class PDF417Writer implements Writer {
/**
* default white space (margin) around the code
*/
private static final int WHITE_SPACE = 30;
/**
* default error correction level
*/
private static final int DEFAULT_ERROR_CORRECTION_LEVEL = 2;
@Override
public BitMatrix encode(String contents,
BarcodeFormat format,
int width,
int height,
Map<EncodeHintType,?> hints) throws WriterException {
if (format != BarcodeFormat.PDF_417) {
throw new IllegalArgumentException("Can only encode PDF_417, but got " + format);
}
PDF417 encoder = new PDF417();
int margin = WHITE_SPACE;
int errorCorrectionLevel = DEFAULT_ERROR_CORRECTION_LEVEL;
boolean autoECI = false;
if (hints != null) {
if (hints.containsKey(EncodeHintType.PDF417_COMPACT)) {
encoder.setCompact(Boolean.parseBoolean(hints.get(EncodeHintType.PDF417_COMPACT).toString()));
}
if (hints.containsKey(EncodeHintType.PDF417_COMPACTION)) {
encoder.setCompaction(Compaction.valueOf(hints.get(EncodeHintType.PDF417_COMPACTION).toString()));
}
if (hints.containsKey(EncodeHintType.PDF417_DIMENSIONS)) {
Dimensions dimensions = (Dimensions) hints.get(EncodeHintType.PDF417_DIMENSIONS);
encoder.setDimensions(dimensions.getMaxCols(),
dimensions.getMinCols(),
dimensions.getMaxRows(),
dimensions.getMinRows());
}
if (hints.containsKey(EncodeHintType.MARGIN)) {
margin = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
}
if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
errorCorrectionLevel = Integer.parseInt(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
}
if (hints.containsKey(EncodeHintType.CHARACTER_SET)) {
Charset encoding = Charset.forName(hints.get(EncodeHintType.CHARACTER_SET).toString());
encoder.setEncoding(encoding);
}
autoECI = hints.containsKey(EncodeHintType.PDF417_AUTO_ECI) &&
Boolean.parseBoolean(hints.get(EncodeHintType.PDF417_AUTO_ECI).toString());
}
return bitMatrixFromEncoder(encoder, contents, errorCorrectionLevel, width, height, margin, autoECI);
}
@Override
public BitMatrix encode(String contents,
BarcodeFormat format,
int width,
int height) throws WriterException {
return encode(contents, format, width, height, null);
}
/**
* Takes encoder, accounts for width/height, and retrieves bit matrix
*/
private static BitMatrix bitMatrixFromEncoder(PDF417 encoder,
String contents,
int errorCorrectionLevel,
int width,
int height,
int margin,
boolean autoECI) throws WriterException {
encoder.generateBarcodeLogic(contents, errorCorrectionLevel, autoECI);
int aspectRatio = 4;
byte[][] originalScale = encoder.getBarcodeMatrix().getScaledMatrix(1, aspectRatio);
boolean rotated = false;
if ((height > width) != (originalScale[0].length < originalScale.length)) {
originalScale = rotateArray(originalScale);
rotated = true;
}
int scaleX = width / originalScale[0].length;
int scaleY = height / originalScale.length;
int scale = Math.min(scaleX, scaleY);
if (scale > 1) {
byte[][] scaledMatrix =
encoder.getBarcodeMatrix().getScaledMatrix(scale, scale * aspectRatio);
if (rotated) {
scaledMatrix = rotateArray(scaledMatrix);
}
return bitMatrixFromBitArray(scaledMatrix, margin);
}
return bitMatrixFromBitArray(originalScale, margin);
}
/**
* This takes an array holding the values of the PDF 417
*
* @param input a byte array of information with 0 is black, and 1 is white
* @param margin border around the barcode
* @return BitMatrix of the input
*/
private static BitMatrix bitMatrixFromBitArray(byte[][] input, int margin) {
// Creates the bit matrix with extra space for whitespace
BitMatrix output = new BitMatrix(input[0].length + 2 * margin, input.length + 2 * margin);
output.clear();
for (int y = 0, yOutput = output.getHeight() - margin - 1; y < input.length; y++, yOutput--) {
byte[] inputY = input[y];
for (int x = 0; x < input[0].length; x++) {
// Zero is white in the byte matrix
if (inputY[x] == 1) {
output.set(x + margin, yOutput);
}
}
}
return output;
}
/**
* Takes and rotates the it 90 degrees
*/
private static byte[][] rotateArray(byte[][] bitarray) {
byte[][] temp = new byte[bitarray[0].length][bitarray.length];
for (int ii = 0; ii < bitarray.length; ii++) {
// This makes the direction consistent on screen when rotating the
// screen;
int inverseii = bitarray.length - ii - 1;
for (int jj = 0; jj < bitarray[0].length; jj++) {
temp[jj][inverseii] = bitarray[ii][jj];
}
}
return temp;
}
}

22
src/pdf417/encoder/compaction.rs
View File

@@ -14,6 +14,8 @@
* limitations under the License.
*/
use crate::Exceptions;
/**
* Represents possible PDF417 barcode compaction types.
*/
@@ -24,3 +26,23 @@ pub enum Compaction {
BYTE = 2,
NUMERIC = 3,
}
impl TryFrom<&String> for Compaction {
type Error = Exceptions;
fn try_from(value: &String) -> Result<Self, Self::Error> {
if let Ok(num_val) = value.parse::<u8>() {
match num_val {
0 => return Ok(Compaction::AUTO),
1 => return Ok(Compaction::TEXT),
2 => return Ok(Compaction::BYTE),
3 => return Ok(Compaction::NUMERIC),
_ => {}
}
}
Err(Exceptions::FormatException(format!(
"Compaction must be 0-3 (inclusivie). Found: {}",
value
)))
}
}

3
src/pdf417/mod.rs
View File

@@ -9,3 +9,6 @@ pub use pdf_417_result_metadata::*;
mod pdf_417_reader;
pub use pdf_417_reader::*;
mod pdf_417_writer;
pub use pdf_417_writer::*;

243
src/pdf417/pdf_417_writer.rs Normal file
View File

@@ -0,0 +1,243 @@
/*
* Copyright 2012 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use std::collections::HashMap;
use crate::{
common::BitMatrix, BarcodeFormat, EncodeHintType, EncodeHintValue, Exceptions, Writer,
};
use super::encoder::PDF417;
/**
* default white space (margin) around the code
*/
const WHITE_SPACE: u32 = 30;
/**
* default error correction level
*/
const DEFAULT_ERROR_CORRECTION_LEVEL: u32 = 2;
/**
* @author Jacob Haynes
* @author qwandor@google.com (Andrew Walbran)
*/
pub struct PDF417Writer;
impl Writer for PDF417Writer {
fn encode(
&self,
contents: &str,
format: &crate::BarcodeFormat,
width: i32,
height: i32,
) -> Result<crate::common::BitMatrix, crate::Exceptions> {
self.encode_with_hints(contents, format, width, height, &HashMap::new())
}
fn encode_with_hints(
&self,
contents: &str,
format: &crate::BarcodeFormat,
width: i32,
height: i32,
hints: &crate::EncodingHintDictionary,
) -> Result<crate::common::BitMatrix, crate::Exceptions> {
if format != &BarcodeFormat::PDF_417 {
return Err(Exceptions::IllegalArgumentException(format!(
"Can only encode PDF_417, but got {}",
format
)));
}
let mut encoder = PDF417::new();
let mut margin = WHITE_SPACE;
let mut errorCorrectionLevel = DEFAULT_ERROR_CORRECTION_LEVEL;
let mut autoECI = false;
if !hints.is_empty() {
if let Some(EncodeHintValue::Pdf417Compact(compact)) =
hints.get(&EncodeHintType::PDF417_COMPACT)
{
// if hints.containsKey(EncodeHintType::PDF417_COMPACT) {
if let Ok(res) = compact.parse::<bool>() {
encoder.setCompact(res);
}
// encoder.setCompact(Boolean.parseBoolean(hints.get(EncodeHintType::PDF417_COMPACT).toString()));
}
if let Some(EncodeHintValue::Pdf417Compaction(compaction)) =
hints.get(&EncodeHintType::PDF417_COMPACTION)
{
// if hints.containsKey(EncodeHintType::PDF417_COMPACTION) {
encoder.setCompaction(compaction.try_into()?);
}
if let Some(EncodeHintValue::Pdf417Dimensions(dimensions)) =
hints.get(&EncodeHintType::PDF417_DIMENSIONS)
{
// if hints.containsKey(EncodeHintType::PDF417_DIMENSIONS) {
// Dimensions dimensions = (Dimensions) hints.get(EncodeHintType::PDF417_DIMENSIONS);
encoder.setDimensions(
dimensions.getMaxCols() as u32,
dimensions.getMinCols() as u32,
dimensions.getMaxRows() as u32,
dimensions.getMinRows() as u32,
);
}
if let Some(EncodeHintValue::Margin(m1)) = hints.get(&EncodeHintType::MARGIN) {
// if hints.containsKey(EncodeHintType::MARGIN) {
if let Ok(m) = m1.parse::<u32>() {
//margin = Integer.parseInt(hints.get(EncodeHintType::MARGIN).toString());
margin = m;
}
}
if let Some(EncodeHintValue::ErrorCorrection(ec)) =
hints.get(&EncodeHintType::ERROR_CORRECTION)
{
// if hints.containsKey(EncodeHintType::ERROR_CORRECTION) {
if let Ok(ec_parsed) = ec.parse::<u32>() {
errorCorrectionLevel = ec_parsed;
}
// errorCorrectionLevel = Integer.parseInt(hints.get(EncodeHintType::ERROR_CORRECTION).toString());
}
if let Some(EncodeHintValue::CharacterSet(cs)) =
hints.get(&EncodeHintType::CHARACTER_SET)
{
// if hints.containsKey(EncodeHintType::CHARACTER_SET) {
// if let Some(encoding::label::encoding_from_whatwg_label(cs))
// let encoding = Charset.forName(hints.get(&EncodeHintType::CHARACTER_SET).toString());
encoder.setEncoding(encoding::label::encoding_from_whatwg_label(cs));
}
if let Some(EncodeHintValue::Pdf417AutoEci(auto_eci_str)) =
hints.get(&EncodeHintType::PDF417_AUTO_ECI)
{
if let Ok(auto_eci_parsed) = auto_eci_str.parse::<bool>() {
autoECI = auto_eci_parsed;
}
}
// autoECI = hints.containsKey(EncodeHintType::PDF417_AUTO_ECI) &&
// Boolean.parseBoolean(hints.get(EncodeHintType::PDF417_AUTO_ECI).toString());
}
Self::bitMatrixFromEncoder(
&mut encoder,
contents,
errorCorrectionLevel,
width as u32,
height as u32,
margin,
autoECI,
)
}
}
impl PDF417Writer {
/**
* Takes encoder, accounts for width/height, and retrieves bit matrix
*/
fn bitMatrixFromEncoder(
encoder: &mut PDF417,
contents: &str,
errorCorrectionLevel: u32,
width: u32,
height: u32,
margin: u32,
autoECI: bool,
) -> Result<BitMatrix, Exceptions> {
encoder.generateBarcodeLogicWithAutoECI(contents, errorCorrectionLevel, autoECI)?;
let aspectRatio = 4;
let mut originalScale = encoder
.getBarcodeMatrix()
.as_ref()
.unwrap()
.getScaledMatrix(1, aspectRatio);
let mut rotated = false;
if (height > width) != (originalScale[0].len() < originalScale.len()) {
originalScale = Self::rotateArray(&originalScale);
rotated = true;
}
let scaleX = width as usize / originalScale[0].len();
let scaleY = height as usize / originalScale.len();
let scale = scaleX.min(scaleY);
if scale > 1 {
let mut scaledMatrix = encoder
.getBarcodeMatrix()
.as_ref()
.unwrap()
.getScaledMatrix(scale, scale * aspectRatio);
if rotated {
scaledMatrix = Self::rotateArray(&scaledMatrix);
}
return Ok(Self::bitMatrixFromBitArray(&scaledMatrix, margin));
}
Ok(Self::bitMatrixFromBitArray(&originalScale, margin))
}
/**
* This takes an array holding the values of the PDF 417
*
* @param input a byte array of information with 0 is black, and 1 is white
* @param margin border around the barcode
* @return BitMatrix of the input
*/
fn bitMatrixFromBitArray(input: &Vec<Vec<u8>>, margin: u32) -> BitMatrix {
// Creates the bit matrix with extra space for whitespace
let mut output = BitMatrix::new(
input[0].len() as u32 + 2 * margin,
input.len() as u32 + 2 * margin,
)
.expect("must generate");
output.clear();
let mut y = 0;
let mut yOutput = output.getHeight() - margin - 1;
while y < input.len() {
// for (int y = 0, yOutput = output.getHeight() - margin - 1; y < input.length; y++, yOutput--) {
let inputY = &input[y];
for x in 0..input[0].len() {
// for (int x = 0; x < input[0].length; x++) {
// Zero is white in the byte matrix
if inputY[x] == 1 {
output.set(x as u32 + margin, yOutput);
}
}
y += 1;
yOutput -= 1;
}
return output;
}
/**
* Takes and rotates the it 90 degrees
*/
fn rotateArray(bitarray: &Vec<Vec<u8>>) -> Vec<Vec<u8>> {
let mut temp = vec![vec![0; bitarray[0].len()]; bitarray.len()]; // new byte[bitarray[0].length][bitarray.length];
for ii in 0..bitarray.len() {
// for (int ii = 0; ii < bitarray.length; ii++) {
// This makes the direction consistent on screen when rotating the
// screen;
let inverseii = bitarray.len() - ii - 1;
for jj in 0..bitarray[0].len() {
// for (int jj = 0; jj < bitarray[0].length; jj++) {
temp[jj][inverseii] = bitarray[ii][jj];
}
}
temp
}
}