ak/rxing
1
0
Fork 0
mirror of https://github.com/starovoid/rxing.git synced 2026-07-26 04:12:34 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
e2b79819e691abfda10c6a4a872525a67e57d4db
rxing/src/pdf417/pdf_417_writer.rs
Henry Schimke 42d40de755 cargo clippy --fix
2023-01-27 15:24:24 -06:00

300 lines
15 KiB
Rust
Raw Blame History

/*
* 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)
*/
#[derive(Default)]
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(Some(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) as isize;
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[y].len() {
for (x, x_index_val) in inputY.iter().enumerate().take(input[y].len()) {
// for (int x = 0; x < input[0].length; x++) {
// Zero is white in the byte matrix
if x_index_val == &1 {
output.set(x as u32 + margin, yOutput as u32);
}
}
y += 1;
yOutput -= 1;
}
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, tmp_spot) in temp.iter_mut().enumerate().take(bitarray[0].len()) {
// for jj in 0..bitarray[0].len() {
// for (int jj = 0; jj < bitarray[0].length; jj++) {
tmp_spot[inverseii] = bitarray[ii][jj];
}
}
temp
}
pub fn new() -> Self {
Self::default()
}
}
/**
* Tests {@link PDF417Writer}.
*/
#[cfg(test)]
mod PDF417WriterTestCase {
use std::collections::HashMap;
use crate::{pdf417::PDF417Writer, BarcodeFormat, EncodeHintType, EncodeHintValue, Writer};
#[test]
fn testDataMatrixImageWriter() {
let mut hints = HashMap::new();
hints.insert(
EncodeHintType::MARGIN,
EncodeHintValue::Margin(0.to_string()),
);
let size = 64;
let writer = PDF417Writer::new();
let matrix = writer
.encode_with_hints("Hello Google", &BarcodeFormat::PDF_417, size, size, &hints)
.expect("encode");
// assert!(matrix.is_ok());
let expected = r"X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
";
assert_eq!(expected, matrix.to_string());
}
}
Reference in New Issue View Git Blame Copy Permalink