port writer and tests, but does not pass

This commit is contained in:
Henry Schimke
2022-11-27 12:00:35 -06:00
parent 6ccac83027
commit 07769fe154
8 changed files with 471 additions and 330 deletions

View File

@@ -89,12 +89,14 @@ impl Reader for AztecReader {
// }
// }
if let Some(rpcb) = hints.get(&DecodeHintType::NEED_RESULT_POINT_CALLBACK) {
if let DecodeHintValue::NeedResultPointCallback(cb) = rpcb {
for point in points {
cb(point);
}
if let Some(DecodeHintValue::NeedResultPointCallback(cb)) =
hints.get(&DecodeHintType::NEED_RESULT_POINT_CALLBACK)
{
// if let DecodeHintValue::NeedResultPointCallback(cb) = rpcb {
for point in points {
cb(point);
}
// }
}
let mut result = RXingResult::new_complex(

View File

@@ -16,14 +16,18 @@
use std::collections::HashMap;
use crate::{Reader, Exceptions, common::{BitMatrix, DetectorRXingResult}, RXingResultPoint, DecodeHintType, RXingResult, BarcodeFormat, RXingResultMetadataType, RXingResultMetadataValue};
use crate::{
common::{BitMatrix, DetectorRXingResult},
BarcodeFormat, DecodeHintType, Exceptions, RXingResult, RXingResultMetadataType,
RXingResultMetadataValue, RXingResultPoint, Reader,
};
use super::{detector::Detector, decoder::Decoder};
use super::{decoder::Decoder, detector::Detector};
use lazy_static::lazy_static;
use lazy_static::lazy_static;
lazy_static!{
static ref decoder : Decoder = Decoder::new();
lazy_static! {
static ref decoder: Decoder = Decoder::new();
}
/**
@@ -33,61 +37,79 @@ lazy_static!{
*/
pub struct DataMatrixReader;
// private static final RXingResultPoint[] NO_POINTS = new RXingResultPoint[0];
// private static final RXingResultPoint[] NO_POINTS = new RXingResultPoint[0];
// private final Decoder decoder = new Decoder();
impl Reader for DataMatrixReader {
// private final Decoder decoder = new Decoder();
impl Reader for DataMatrixReader {
/**
* Locates and decodes a Data Matrix code in an image.
*
* @return a String representing the content encoded by the Data Matrix code
* @throws NotFoundException if a Data Matrix code cannot be found
* @throws FormatException if a Data Matrix code cannot be decoded
* @throws ChecksumException if error correction fails
*/
fn decode(&mut self, image: &crate::BinaryBitmap) -> Result<crate::RXingResult, crate::Exceptions> {
self.decode_with_hints(image,&HashMap::new())
* Locates and decodes a Data Matrix code in an image.
*
* @return a String representing the content encoded by the Data Matrix code
* @throws NotFoundException if a Data Matrix code cannot be found
* @throws FormatException if a Data Matrix code cannot be decoded
* @throws ChecksumException if error correction fails
*/
fn decode(
&mut self,
image: &crate::BinaryBitmap,
) -> Result<crate::RXingResult, crate::Exceptions> {
self.decode_with_hints(image, &HashMap::new())
}
/**
* Locates and decodes a Data Matrix code in an image.
*
* @return a String representing the content encoded by the Data Matrix code
* @throws NotFoundException if a Data Matrix code cannot be found
* @throws FormatException if a Data Matrix code cannot be decoded
* @throws ChecksumException if error correction fails
*/
* Locates and decodes a Data Matrix code in an image.
*
* @return a String representing the content encoded by the Data Matrix code
* @throws NotFoundException if a Data Matrix code cannot be found
* @throws FormatException if a Data Matrix code cannot be decoded
* @throws ChecksumException if error correction fails
*/
fn decode_with_hints(
&mut self,
image: &crate::BinaryBitmap,
hints: &crate::DecodingHintDictionary,
) -> Result<crate::RXingResult, crate::Exceptions> {
let decoderRXingResult;
let mut points = Vec::new();
if hints.contains_key(&DecodeHintType::PURE_BARCODE) {
let bits = self.extractPureBits(image.getBlackMatrix())?;
decoderRXingResult = decoder.decode(&bits)?;
points.clear();
} else {
let detectorRXingResult = Detector::new(image.getBlackMatrix().clone())?.detect()?;
decoderRXingResult = decoder.decode(detectorRXingResult.getBits())?;
points = detectorRXingResult.getPoints().clone();
}
let mut result = RXingResult::new(decoderRXingResult.getText().clone(), decoderRXingResult.getRawBytes().clone(), points.clone(),
BarcodeFormat::DATA_MATRIX);
let byteSegments = decoderRXingResult.getByteSegments();
if !byteSegments.is_empty() {
result.putMetadata(RXingResultMetadataType::BYTE_SEGMENTS, RXingResultMetadataValue::ByteSegments(byteSegments.clone()));
}
let ecLevel = decoderRXingResult.getECLevel();
if !ecLevel.is_empty() {
result.putMetadata(RXingResultMetadataType::ERROR_CORRECTION_LEVEL, RXingResultMetadataValue::ErrorCorrectionLevel(ecLevel.to_string()));
}
result.putMetadata(RXingResultMetadataType::SYMBOLOGY_IDENTIFIER, RXingResultMetadataValue::SymbologyIdentifier(format!("]d{}" , decoderRXingResult.getSymbologyModifier())));
Ok(result)
let decoderRXingResult;
let mut points = Vec::new();
if hints.contains_key(&DecodeHintType::PURE_BARCODE) {
let bits = self.extractPureBits(image.getBlackMatrix())?;
decoderRXingResult = decoder.decode(&bits)?;
points.clear();
} else {
let detectorRXingResult = Detector::new(image.getBlackMatrix().clone())?.detect()?;
decoderRXingResult = decoder.decode(detectorRXingResult.getBits())?;
points = detectorRXingResult.getPoints().clone();
}
let mut result = RXingResult::new(
decoderRXingResult.getText().clone(),
decoderRXingResult.getRawBytes().clone(),
points.clone(),
BarcodeFormat::DATA_MATRIX,
);
let byteSegments = decoderRXingResult.getByteSegments();
if !byteSegments.is_empty() {
result.putMetadata(
RXingResultMetadataType::BYTE_SEGMENTS,
RXingResultMetadataValue::ByteSegments(byteSegments.clone()),
);
}
let ecLevel = decoderRXingResult.getECLevel();
if !ecLevel.is_empty() {
result.putMetadata(
RXingResultMetadataType::ERROR_CORRECTION_LEVEL,
RXingResultMetadataValue::ErrorCorrectionLevel(ecLevel.to_string()),
);
}
result.putMetadata(
RXingResultMetadataType::SYMBOLOGY_IDENTIFIER,
RXingResultMetadataValue::SymbologyIdentifier(format!(
"]d{}",
decoderRXingResult.getSymbologyModifier()
)),
);
Ok(result)
}
fn reset(&mut self) {
@@ -95,79 +117,73 @@ pub struct DataMatrixReader;
}
}
impl DataMatrixReader {
/**
* This method detects a code in a "pure" image -- that is, pure monochrome image
* which contains only an unrotated, unskewed, image of a code, with some white border
* around it. This is a specialized method that works exceptionally fast in this special
* case.
*/
fn extractPureBits(&self, image:&BitMatrix) -> Result<BitMatrix,Exceptions> {
let Some(leftTopBlack) = image.getTopLeftOnBit() else {
impl DataMatrixReader {
/**
* This method detects a code in a "pure" image -- that is, pure monochrome image
* which contains only an unrotated, unskewed, image of a code, with some white border
* around it. This is a specialized method that works exceptionally fast in this special
* case.
*/
fn extractPureBits(&self, image: &BitMatrix) -> Result<BitMatrix, Exceptions> {
let Some(leftTopBlack) = image.getTopLeftOnBit() else {
return Err(Exceptions::NotFoundException("".to_owned()))
};
let Some(rightBottomBlack) = image.getBottomRightOnBit()else {
let Some(rightBottomBlack) = image.getBottomRightOnBit()else {
return Err(Exceptions::NotFoundException("".to_owned()))
};
let moduleSize = Self::moduleSize(&leftTopBlack, image)?;
let moduleSize = Self::moduleSize(&leftTopBlack, image)?;
let mut top = leftTopBlack[1];
let bottom = rightBottomBlack[1];
let mut left = leftTopBlack[0];
let right = rightBottomBlack[0];
let mut top = leftTopBlack[1];
let bottom = rightBottomBlack[1];
let mut left = leftTopBlack[0];
let right = rightBottomBlack[0];
let matrixWidth = (right - left + 1) / moduleSize;
let matrixHeight = (bottom - top + 1) / moduleSize;
if matrixWidth <= 0 || matrixHeight <= 0 {
return Err(Exceptions::NotFoundException("".to_owned()))
// throw NotFoundException.getNotFoundInstance();
}
// Push in the "border" by half the module width so that we start
// sampling in the middle of the module. Just in case the image is a
// little off, this will help recover.
let nudge = moduleSize / 2;
top += nudge;
left += nudge;
// Now just read off the bits
let mut bits = BitMatrix::new(matrixWidth, matrixHeight)?;
for y in 0..matrixHeight {
// for (int y = 0; y < matrixHeight; y++) {
let iOffset = top + y * moduleSize;
for x in 0..matrixWidth {
// for (int x = 0; x < matrixWidth; x++) {
if image.get(left + x * moduleSize, iOffset) {
bits.set(x, y);
let matrixWidth = (right - left + 1) / moduleSize;
let matrixHeight = (bottom - top + 1) / moduleSize;
if matrixWidth <= 0 || matrixHeight <= 0 {
return Err(Exceptions::NotFoundException("".to_owned()));
// throw NotFoundException.getNotFoundInstance();
}
}
}
Ok( bits)
}
fn moduleSize( leftTopBlack:&[u32], image:&BitMatrix) -> Result<u32,Exceptions> {
let width = image.getWidth();
let mut x = leftTopBlack[0];
let y = leftTopBlack[1];
while x < width && image.get(x, y) {
x+=1;
}
if x == width {
return Err(Exceptions::NotFoundException("".to_owned()))
// Push in the "border" by half the module width so that we start
// sampling in the middle of the module. Just in case the image is a
// little off, this will help recover.
let nudge = moduleSize / 2;
top += nudge;
left += nudge;
// Now just read off the bits
let mut bits = BitMatrix::new(matrixWidth, matrixHeight)?;
for y in 0..matrixHeight {
// for (int y = 0; y < matrixHeight; y++) {
let iOffset = top + y * moduleSize;
for x in 0..matrixWidth {
// for (int x = 0; x < matrixWidth; x++) {
if image.get(left + x * moduleSize, iOffset) {
bits.set(x, y);
}
}
}
Ok(bits)
}
let moduleSize = x - leftTopBlack[0];
if moduleSize == 0 {
return Err(Exceptions::NotFoundException("".to_owned()))
}
Ok(moduleSize)
}
fn moduleSize(leftTopBlack: &[u32], image: &BitMatrix) -> Result<u32, Exceptions> {
let width = image.getWidth();
let mut x = leftTopBlack[0];
let y = leftTopBlack[1];
while x < width && image.get(x, y) {
x += 1;
}
if x == width {
return Err(Exceptions::NotFoundException("".to_owned()));
}
let moduleSize = x - leftTopBlack[0];
if moduleSize == 0 {
return Err(Exceptions::NotFoundException("".to_owned()));
}
Ok(moduleSize)
}
}

View File

@@ -14,23 +14,21 @@
* limitations under the License.
*/
package com.google.zxing.datamatrix;
use std::collections::HashMap;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.Writer;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.datamatrix.encoder.DefaultPlacement;
import com.google.zxing.Dimension;
import com.google.zxing.datamatrix.encoder.ErrorCorrection;
import com.google.zxing.datamatrix.encoder.HighLevelEncoder;
import com.google.zxing.datamatrix.encoder.MinimalEncoder;
import com.google.zxing.datamatrix.encoder.SymbolInfo;
import com.google.zxing.datamatrix.encoder.SymbolShapeHint;
import com.google.zxing.qrcode.encoder.ByteMatrix;
use encoding::EncodingRef;
import java.util.Map;
import java.nio.charset.Charset;
use crate::{
common::BitMatrix, qrcode::encoder::ByteMatrix, BarcodeFormat, EncodeHintType, EncodeHintValue,
Exceptions, Writer,
};
use super::encoder::{
high_level_encoder, minimal_encoder, DefaultPlacement, SymbolInfo, SymbolInfoLookup,
SymbolShapeHint,
};
use super::encoder::error_correction;
/**
* This object renders a Data Matrix code as a BitMatrix 2D array of greyscale values.
@@ -38,183 +36,319 @@ import java.nio.charset.Charset;
* @author dswitkin@google.com (Daniel Switkin)
* @author Guillaume Le Biller Added to zxing lib.
*/
public final class DataMatrixWriter implements Writer {
pub struct DataMatrixWriter;
@Override
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height) {
return encode(contents, format, width, height, null);
}
@Override
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType,?> hints) {
if (contents.isEmpty()) {
throw new IllegalArgumentException("Found empty contents");
impl Writer for DataMatrixWriter {
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())
}
if (format != BarcodeFormat.DATA_MATRIX) {
throw new IllegalArgumentException("Can only encode DATA_MATRIX, but got " + format);
}
if (width < 0 || height < 0) {
throw new IllegalArgumentException("Requested dimensions can't be negative: " + width + 'x' + height);
}
// Try to get force shape & min / max size
SymbolShapeHint shape = SymbolShapeHint.FORCE_NONE;
Dimension minSize = null;
Dimension maxSize = null;
if (hints != null) {
SymbolShapeHint requestedShape = (SymbolShapeHint) hints.get(EncodeHintType.DATA_MATRIX_SHAPE);
if (requestedShape != null) {
shape = requestedShape;
}
@SuppressWarnings("deprecation")
Dimension requestedMinSize = (Dimension) hints.get(EncodeHintType.MIN_SIZE);
if (requestedMinSize != null) {
minSize = requestedMinSize;
}
@SuppressWarnings("deprecation")
Dimension requestedMaxSize = (Dimension) hints.get(EncodeHintType.MAX_SIZE);
if (requestedMaxSize != null) {
maxSize = requestedMaxSize;
}
}
//1. step: Data encodation
String encoded;
boolean hasCompactionHint = hints != null && hints.containsKey(EncodeHintType.DATA_MATRIX_COMPACT) &&
Boolean.parseBoolean(hints.get(EncodeHintType.DATA_MATRIX_COMPACT).toString());
if (hasCompactionHint) {
boolean hasGS1FormatHint = hints.containsKey(EncodeHintType.GS1_FORMAT) &&
Boolean.parseBoolean(hints.get(EncodeHintType.GS1_FORMAT).toString());
Charset charset = null;
boolean hasEncodingHint = hints.containsKey(EncodeHintType.CHARACTER_SET);
if (hasEncodingHint) {
charset = Charset.forName(hints.get(EncodeHintType.CHARACTER_SET).toString());
}
encoded = MinimalEncoder.encodeHighLevel(contents, charset, hasGS1FormatHint ? 0x1D : -1, shape);
} else {
boolean hasForceC40Hint = hints != null && hints.containsKey(EncodeHintType.FORCE_C40) &&
Boolean.parseBoolean(hints.get(EncodeHintType.FORCE_C40).toString());
encoded = HighLevelEncoder.encodeHighLevel(contents, shape, minSize, maxSize, hasForceC40Hint);
}
SymbolInfo symbolInfo = SymbolInfo.lookup(encoded.length(), shape, minSize, maxSize, true);
//2. step: ECC generation
String codewords = ErrorCorrection.encodeECC200(encoded, symbolInfo);
//3. step: Module placement in Matrix
DefaultPlacement placement =
new DefaultPlacement(codewords, symbolInfo.getSymbolDataWidth(), symbolInfo.getSymbolDataHeight());
placement.place();
//4. step: low-level encoding
return encodeLowLevel(placement, symbolInfo, width, height);
}
/**
* Encode the given symbol info to a bit matrix.
*
* @param placement The DataMatrix placement.
* @param symbolInfo The symbol info to encode.
* @return The bit matrix generated.
*/
private static BitMatrix encodeLowLevel(DefaultPlacement placement, SymbolInfo symbolInfo, int width, int height) {
int symbolWidth = symbolInfo.getSymbolDataWidth();
int symbolHeight = symbolInfo.getSymbolDataHeight();
ByteMatrix matrix = new ByteMatrix(symbolInfo.getSymbolWidth(), symbolInfo.getSymbolHeight());
int matrixY = 0;
for (int y = 0; y < symbolHeight; y++) {
// Fill the top edge with alternate 0 / 1
int matrixX;
if ((y % symbolInfo.matrixHeight) == 0) {
matrixX = 0;
for (int x = 0; x < symbolInfo.getSymbolWidth(); x++) {
matrix.set(matrixX, matrixY, (x % 2) == 0);
matrixX++;
fn encode_with_hints(
&self,
contents: &str,
format: &crate::BarcodeFormat,
width: i32,
height: i32,
hints: &crate::EncodingHintDictionary,
) -> Result<crate::common::BitMatrix, crate::Exceptions> {
if contents.is_empty() {
return Err(Exceptions::IllegalArgumentException(
"Found empty contents".to_owned(),
));
}
matrixY++;
}
matrixX = 0;
for (int x = 0; x < symbolWidth; x++) {
// Fill the right edge with full 1
if ((x % symbolInfo.matrixWidth) == 0) {
matrix.set(matrixX, matrixY, true);
matrixX++;
if format != &BarcodeFormat::DATA_MATRIX {
return Err(Exceptions::IllegalArgumentException(format!(
"Can only encode DATA_MATRIX, but got {:?}",
format
)));
}
matrix.set(matrixX, matrixY, placement.getBit(x, y));
matrixX++;
// Fill the right edge with alternate 0 / 1
if ((x % symbolInfo.matrixWidth) == symbolInfo.matrixWidth - 1) {
matrix.set(matrixX, matrixY, (y % 2) == 0);
matrixX++;
if width < 0 || height < 0 {
return Err(Exceptions::IllegalArgumentException(format!(
"Requested dimensions can't be negative: {}x{}",
width, height
)));
}
}
matrixY++;
// Fill the bottom edge with full 1
if ((y % symbolInfo.matrixHeight) == symbolInfo.matrixHeight - 1) {
matrixX = 0;
for (int x = 0; x < symbolInfo.getSymbolWidth(); x++) {
matrix.set(matrixX, matrixY, true);
matrixX++;
// Try to get force shape & min / max size
let mut shape = &SymbolShapeHint::FORCE_NONE;
let mut minSize = None;
let mut maxSize = None;
if !hints.is_empty() {
if let Some(EncodeHintValue::DataMatrixShape(rq)) =
hints.get(&EncodeHintType::DATA_MATRIX_SHAPE)
{
shape = rq;
}
// @SuppressWarnings("deprecation")
let requestedMinSize = hints.get(&EncodeHintType::MIN_SIZE);
if let Some(EncodeHintValue::MinSize(rq)) = requestedMinSize {
minSize = Some(*rq);
}
// @SuppressWarnings("deprecation")
let requestedMaxSize = hints.get(&EncodeHintType::MAX_SIZE);
if let Some(EncodeHintValue::MinSize(rq)) = requestedMaxSize {
maxSize = Some(*rq);
}
}
matrixY++;
}
//1. step: Data encodation
let encoded;
let hasCompactionHint = if let Some(EncodeHintValue::DataMatrixCompact(res)) =
hints.get(&EncodeHintType::DATA_MATRIX_COMPACT)
{
*res
} else {
false
};
if hasCompactionHint {
let hasGS1FormatHint = if let Some(EncodeHintValue::Gs1Format(res)) =
hints.get(&EncodeHintType::GS1_FORMAT)
{
*res
} else {
false
};
let mut charset: Option<EncodingRef> = None;
let hasEncodingHint = hints.contains_key(&EncodeHintType::CHARACTER_SET);
if hasEncodingHint {
let Some(EncodeHintValue::CharacterSet(char_set_name)) =
hints.get(&EncodeHintType::CHARACTER_SET) else {
return Err(Exceptions::IllegalArgumentException("charset does not exist".to_owned()))
};
charset = encoding::label::encoding_from_whatwg_label(char_set_name);
// charset = Charset.forName(hints.get(EncodeHintType.CHARACTER_SET).toString());
}
encoded = minimal_encoder::encodeHighLevelWithDetails(
contents,
charset,
if hasGS1FormatHint {
Some(0x1D as char)
} else {
None
},
*shape,
)?;
} else {
let hasForceC40Hint = if let Some(EncodeHintValue::ForceC40(hint)) =
hints.get(&EncodeHintType::FORCE_C40)
{
*hint
} else {
false
};
encoded = high_level_encoder::encodeHighLevelWithDimensionForceC40(
contents,
*shape,
minSize,
maxSize,
hasForceC40Hint,
)?;
}
let symbol_lookup = SymbolInfoLookup::new();
let Some(symbolInfo) = symbol_lookup.lookup_with_codewords_shape_size_fail(encoded.len() as u32, *shape, &minSize, &maxSize, true)? else {
return Err(Exceptions::NotFoundException("symbol info is bad".to_owned()))
};
//2. step: ECC generation
let codewords = error_correction::encodeECC200(&encoded, symbolInfo)?;
//3. step: Module placement in Matrix
let mut placement = DefaultPlacement::new(
codewords,
symbolInfo.getSymbolDataWidth()? as usize,
symbolInfo.getSymbolDataHeight()? as usize,
);
placement.place();
//4. step: low-level encoding
Self::encodeLowLevel(
&placement,
symbolInfo,
width.try_into().unwrap(),
height.try_into().unwrap(),
)
}
return convertByteMatrixToBitMatrix(matrix, width, height);
}
/**
* Convert the ByteMatrix to BitMatrix.
*
* @param reqHeight The requested height of the image (in pixels) with the Datamatrix code
* @param reqWidth The requested width of the image (in pixels) with the Datamatrix code
* @param matrix The input matrix.
* @return The output matrix.
*/
private static BitMatrix convertByteMatrixToBitMatrix(ByteMatrix matrix, int reqWidth, int reqHeight) {
int matrixWidth = matrix.getWidth();
int matrixHeight = matrix.getHeight();
int outputWidth = Math.max(reqWidth, matrixWidth);
int outputHeight = Math.max(reqHeight, matrixHeight);
int multiple = Math.min(outputWidth / matrixWidth, outputHeight / matrixHeight);
int leftPadding = (outputWidth - (matrixWidth * multiple)) / 2 ;
int topPadding = (outputHeight - (matrixHeight * multiple)) / 2 ;
BitMatrix output;
// remove padding if requested width and height are too small
if (reqHeight < matrixHeight || reqWidth < matrixWidth) {
leftPadding = 0;
topPadding = 0;
output = new BitMatrix(matrixWidth, matrixHeight);
} else {
output = new BitMatrix(reqWidth, reqHeight);
}
output.clear();
for (int inputY = 0, outputY = topPadding; inputY < matrixHeight; inputY++, outputY += multiple) {
// Write the contents of this row of the bytematrix
for (int inputX = 0, outputX = leftPadding; inputX < matrixWidth; inputX++, outputX += multiple) {
if (matrix.get(inputX, inputY) == 1) {
output.setRegion(outputX, outputY, multiple, multiple);
}
}
}
return output;
}
}
impl DataMatrixWriter {
/**
* Encode the given symbol info to a bit matrix.
*
* @param placement The DataMatrix placement.
* @param symbolInfo The symbol info to encode.
* @return The bit matrix generated.
*/
fn encodeLowLevel(
placement: &DefaultPlacement,
symbolInfo: &SymbolInfo,
width: u32,
height: u32,
) -> Result<BitMatrix, Exceptions> {
let symbolWidth = symbolInfo.getSymbolDataWidth()?;
let symbolHeight = symbolInfo.getSymbolDataHeight()?;
let mut matrix =
ByteMatrix::new(symbolInfo.getSymbolWidth()?, symbolInfo.getSymbolHeight()?);
let mut matrixY = 0;
for y in 0..symbolHeight {
// for (int y = 0; y < symbolHeight; y++) {
// Fill the top edge with alternate 0 / 1
let mut matrixX;
if (y % symbolInfo.matrixHeight) == 0 {
matrixX = 0;
for x in 0..symbolInfo.getSymbolWidth()? {
// for (int x = 0; x < symbolInfo.getSymbolWidth(); x++) {
matrix.set_bool(matrixX, matrixY, (x % 2) == 0);
matrixX += 1;
}
matrixY += 1;
}
matrixX = 0;
for x in 0..symbolWidth {
// for (int x = 0; x < symbolWidth; x++) {
// Fill the right edge with full 1
if (x % symbolInfo.matrixWidth) == 0 {
matrix.set_bool(matrixX, matrixY, true);
matrixX += 1;
}
matrix.set_bool(matrixX, matrixY, placement.getBit(x as usize, y as usize));
matrixX += 1;
// Fill the right edge with alternate 0 / 1
if (x % symbolInfo.matrixWidth) == symbolInfo.matrixWidth - 1 {
matrix.set_bool(matrixX, matrixY, (y % 2) == 0);
matrixX += 1;
}
}
matrixY += 1;
// Fill the bottom edge with full 1
if (y % symbolInfo.matrixHeight) == symbolInfo.matrixHeight - 1 {
matrixX = 0;
for _x in 0..symbolInfo.getSymbolWidth()? {
// for (int x = 0; x < symbolInfo.getSymbolWidth(); x++) {
matrix.set_bool(matrixX, matrixY, true);
matrixX += 1;
}
matrixY += 1;
}
}
Self::convertByteMatrixToBitMatrix(&matrix, width, height)
}
/**
* Convert the ByteMatrix to BitMatrix.
*
* @param reqHeight The requested height of the image (in pixels) with the Datamatrix code
* @param reqWidth The requested width of the image (in pixels) with the Datamatrix code
* @param matrix The input matrix.
* @return The output matrix.
*/
fn convertByteMatrixToBitMatrix(
matrix: &ByteMatrix,
reqWidth: u32,
reqHeight: u32,
) -> Result<BitMatrix, Exceptions> {
let matrixWidth = matrix.getWidth();
let matrixHeight = matrix.getHeight();
let outputWidth = reqWidth.max(matrixWidth);
let outputHeight = reqHeight.max(matrixHeight);
let multiple = (outputWidth / matrixWidth).min(outputHeight / matrixHeight);
let mut leftPadding = (outputWidth - (matrixWidth * multiple)) / 2;
let mut topPadding = (outputHeight - (matrixHeight * multiple)) / 2;
let mut output;
// remove padding if requested width and height are too small
if reqHeight < matrixHeight || reqWidth < matrixWidth {
leftPadding = 0;
topPadding = 0;
output = BitMatrix::new(matrixWidth, matrixHeight)?;
} else {
output = BitMatrix::new(reqWidth, reqHeight)?;
}
output.clear();
let mut inputY = 0;
let mut outputY = topPadding;
while inputY < matrixHeight {
// for (int inputY = 0, outputY = topPadding; inputY < matrixHeight; inputY++, outputY += multiple) {
// Write the contents of this row of the bytematrix
let mut inputX = 0;
let mut outputX = leftPadding;
while inputX < matrixWidth {
// for (int inputX = 0, outputX = leftPadding; inputX < matrixWidth; inputX++, outputX += multiple) {
if matrix.get(inputX, inputY) == 1 {
output.setRegion(outputX, outputY, multiple, multiple)?;
}
inputX += 1;
outputX += multiple
}
inputY += 1;
outputY += multiple
}
Ok(output)
}
}
#[cfg(test)]
mod tests{
use std::collections::HashMap;
use crate::{EncodeHintType, BarcodeFormat, datamatrix::{encoder::SymbolShapeHint, DataMatrixWriter}, Writer, EncodeHintValue};
#[test]
fn testDataMatrixImageWriter() {
let mut hints = HashMap::new();
hints.insert(EncodeHintType::DATA_MATRIX_SHAPE, EncodeHintValue::DataMatrixShape(SymbolShapeHint::FORCE_SQUARE));
let bigEnough = 64;
let writer = DataMatrixWriter{};
let matrix = writer.encode_with_hints("Hello Google", &BarcodeFormat::DATA_MATRIX, bigEnough, bigEnough, &hints).expect("must encode");
assert!(bigEnough >= matrix.getWidth() as i32);
assert!(bigEnough >= matrix.getHeight() as i32);
}
#[test]
fn testDataMatrixWriter() {
let mut hints = HashMap::new();
hints.insert(EncodeHintType::DATA_MATRIX_SHAPE, EncodeHintValue::DataMatrixShape(SymbolShapeHint::FORCE_SQUARE));
let bigEnough = 14;
let writer = DataMatrixWriter{};
let matrix = writer.encode_with_hints("Hello Me", &BarcodeFormat::DATA_MATRIX, bigEnough, bigEnough, &hints).expect("must encode");
assert_eq!(bigEnough, matrix.getWidth() as i32);
assert_eq!(bigEnough, matrix.getHeight() as i32);
}
#[test]
fn testDataMatrixTooSmall() {
// The DataMatrix will not fit in this size, so the matrix should come back bigger
let tooSmall = 8;
let writer = DataMatrixWriter{};
let matrix = writer.encode_with_hints("http://www.google.com/", &BarcodeFormat::DATA_MATRIX, tooSmall, tooSmall, &HashMap::new()).expect("must encode");
assert!(tooSmall < matrix.getWidth() as i32);
assert!(tooSmall < matrix.getHeight() as i32);
}
}

View File

@@ -65,8 +65,8 @@ pub struct SymbolInfo {
rectangular: bool,
dataCapacity: u32,
errorCodewords: u32,
matrixWidth: u32,
matrixHeight: u32,
pub(crate) matrixWidth: u32,
pub(crate) matrixHeight: u32,
dataRegions: u32,
rsBlockData: i32,
rsBlockError: u32,

View File

@@ -3,4 +3,6 @@ pub mod detector;
pub mod encoder;
mod data_matrix_reader;
pub use data_matrix_reader::*;
mod data_matrix_writer;
pub use data_matrix_reader::*;
pub use data_matrix_writer::*;

View File

@@ -196,7 +196,7 @@ pub enum EncodeHintValue {
/**
* Specifies the matrix shape for Data Matrix (type {@link com.google.zxing.datamatrix.encoder.SymbolShapeHint})
*/
DataMatrixShape,
DataMatrixShape(crate::datamatrix::encoder::SymbolShapeHint),
/**
* Specifies whether to use compact mode for Data Matrix (type {@link Boolean}, or "true" or "false"
@@ -212,7 +212,7 @@ pub enum EncodeHintValue {
* for the purpose of delimiting AIs.
* This option and {@link #FORCE_C40} are mutually exclusive.
*/
DataMatrixCompact(String),
DataMatrixCompact(bool),
/**
* Specifies a minimum barcode size (type {@link Dimension}). Only applicable to Data Matrix now.
@@ -221,7 +221,7 @@ pub enum EncodeHintValue {
* {@link com.google.zxing.datamatrix.DataMatrixWriter#encode(String, BarcodeFormat, int, int)}
*/
#[deprecated]
MinSize,
MinSize(Dimension),
/**
* Specifies a maximum barcode size (type {@link Dimension}). Only applicable to Data Matrix now.
@@ -304,7 +304,7 @@ pub enum EncodeHintValue {
* Specifies whether the data should be encoded to the GS1 standard (type {@link Boolean}, or "true" or "false"
* {@link String } value).
*/
Gs1Format(String),
Gs1Format(bool),
/**
* Forces which encoding will be used. Currently only used for Code-128 code sets (Type {@link String}).
@@ -317,7 +317,7 @@ pub enum EncodeHintValue {
* Forces C40 encoding for data-matrix (type {@link Boolean}, or "true" or "false") {@link String } value). This
* option and {@link #DATA_MATRIX_COMPACT} are mutually exclusive.
*/
ForceC40(String),
ForceC40(bool),
/**
* Specifies whether to use compact mode for Code-128 code (type {@link Boolean}, or "true" or "false"

View File

@@ -305,10 +305,7 @@ fn testEncodeShiftjisNumeric() {
fn testEncodeGS1WithStringTypeHint() {
let mut hints = HashMap::new();
hints.insert(
EncodeHintType::GS1_FORMAT,
EncodeHintValue::Gs1Format("true".to_owned()),
);
hints.insert(EncodeHintType::GS1_FORMAT, EncodeHintValue::Gs1Format(true));
let qrCode = encoder::encode_with_hints("100001%11171218", ErrorCorrectionLevel::H, &hints)
.expect("encode");
verifyGS1EncodedData(&qrCode);
@@ -318,10 +315,7 @@ fn testEncodeGS1WithStringTypeHint() {
fn testEncodeGS1WithBooleanTypeHint() {
let mut hints = HashMap::new();
hints.insert(
EncodeHintType::GS1_FORMAT,
EncodeHintValue::Gs1Format("true".to_owned()),
);
hints.insert(EncodeHintType::GS1_FORMAT, EncodeHintValue::Gs1Format(true));
let qrCode = encoder::encode_with_hints("100001%11171218", ErrorCorrectionLevel::H, &hints)
.expect("encode");
verifyGS1EncodedData(&qrCode);
@@ -333,7 +327,7 @@ fn testDoesNotEncodeGS1WhenBooleanTypeHintExplicitlyFalse() {
hints.insert(
EncodeHintType::GS1_FORMAT,
EncodeHintValue::Gs1Format("false".to_owned()),
EncodeHintValue::Gs1Format(false),
);
let qrCode =
@@ -347,7 +341,7 @@ fn testDoesNotEncodeGS1WhenStringTypeHintExplicitlyFalse() {
hints.insert(
EncodeHintType::GS1_FORMAT,
EncodeHintValue::Gs1Format("false".to_owned()),
EncodeHintValue::Gs1Format(false),
);
let qrCode =
encoder::encode_with_hints("ABCDEF", ErrorCorrectionLevel::H, &hints).expect("encode");
@@ -362,10 +356,7 @@ fn testGS1ModeHeaderWithECI() {
EncodeHintType::CHARACTER_SET,
EncodeHintValue::CharacterSet("utf8".to_owned()),
);
hints.insert(
EncodeHintType::GS1_FORMAT,
EncodeHintValue::Gs1Format("true".to_owned()),
);
hints.insert(EncodeHintType::GS1_FORMAT, EncodeHintValue::Gs1Format(true));
let qrCode =
encoder::encode_with_hints("hello", ErrorCorrectionLevel::H, &hints).expect("encode");
let expected = r"<<

View File

@@ -104,11 +104,7 @@ pub fn encode_with_hints(
let has_gs1_format_hint = hints.contains_key(&EncodeHintType::GS1_FORMAT)
&& if let EncodeHintValue::Gs1Format(v) = hints.get(&EncodeHintType::GS1_FORMAT).unwrap() {
if let Ok(vb) = v.parse::<bool>() {
vb
} else {
false
}
*v
} else {
false
};