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cargo fmt

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This commit is contained in:
Henry Schimke
2022-12-19 17:49:52 -06:00
parent 9580f542d6
commit eaacf31923
7 changed files with 418 additions and 394 deletions
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64
src/pdf417/decoder/barcode_metadata.rs
View File

@@ -18,43 +18,45 @@
* @author Guenther Grau * @author Guenther Grau
*/ */
pub struct BarcodeMetadata { pub struct BarcodeMetadata {
columnCount: u32,
columnCount: u32, errorCorrectionLevel: u32,
errorCorrectionLevel: u32, rowCountUpperPart: u32,
rowCountUpperPart: u32, rowCountLowerPart: u32,
rowCountLowerPart: u32, rowCount: u32,
rowCount: u32,
} }
impl BarcodeMetadata { impl BarcodeMetadata {
pub fn new(
pub fn new( columnCount:u32, rowCountUpperPart:u32, rowCountLowerPart:u32, errorCorrectionLevel:u32) -> Self{ columnCount: u32,
Self { rowCountUpperPart: u32,
columnCount, rowCountLowerPart: u32,
errorCorrectionLevel, errorCorrectionLevel: u32,
rowCountUpperPart, ) -> Self {
rowCountLowerPart, Self {
rowCount: rowCountUpperPart + rowCountLowerPart, columnCount,
errorCorrectionLevel,
rowCountUpperPart,
rowCountLowerPart,
rowCount: rowCountUpperPart + rowCountLowerPart,
}
} }
}
pub fn getColumnCount(&self) -> u32{ pub fn getColumnCount(&self) -> u32 {
self. columnCount self.columnCount
} }
pub fn getErrorCorrectionLevel(&self) -> u32{ pub fn getErrorCorrectionLevel(&self) -> u32 {
self. errorCorrectionLevel self.errorCorrectionLevel
} }
pub fn getRowCount(&self) -> u32 { pub fn getRowCount(&self) -> u32 {
self. rowCount self.rowCount
} }
pub fn getRowCountUpperPart(&self) -> u32{ pub fn getRowCountUpperPart(&self) -> u32 {
self. rowCountUpperPart self.rowCountUpperPart
} }
pub fn getRowCountLowerPart(&self) -> u32 {
self. rowCountLowerPart
}
pub fn getRowCountLowerPart(&self) -> u32 {
self.rowCountLowerPart
}
} }

89
src/pdf417/decoder/barcode_value.rs
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@@ -19,56 +19,55 @@ use std::collections::HashMap;
/** /**
* @author Guenther Grau * @author Guenther Grau
*/ */
pub struct BarcodeValue(HashMap<u32,u32>); pub struct BarcodeValue(HashMap<u32, u32>);
// private final Map<Integer,Integer> values = new HashMap<>(); // private final Map<Integer,Integer> values = new HashMap<>();
impl BarcodeValue { impl BarcodeValue {
pub fn new() -> Self { pub fn new() -> Self {
Self::default() Self::default()
}
/**
* Add an occurrence of a value
*/
pub fn setValue(&mut self, value:u32) {
let mut confidence = if let Some(value) = self.0.get(&value) {
*value
}else {
0
};
confidence+=1;
self.0.insert(value, confidence);
}
/**
* Determines the maximum occurrence of a set value and returns all values which were set with this occurrence.
* @return an array of int, containing the values with the highest occurrence, or null, if no value was set
*/
pub fn getValue(&self) -> Vec<u32> {
let mut maxConfidence = -1_i32;
let mut result = Vec::new();
for (key,value) in &self.0 {
// for (Entry<Integer,Integer> entry : values.entrySet()) {
if *value as i32 > maxConfidence {
maxConfidence = *value as i32;
result.clear();
result.push(*key);
} else if *value as i32 == maxConfidence {
result.push(*key);
}
} }
result /**
} * Add an occurrence of a value
*/
pub fn setValue(&mut self, value: u32) {
let mut confidence = if let Some(value) = self.0.get(&value) {
*value
} else {
0
};
confidence += 1;
self.0.insert(value, confidence);
}
pub fn getConfidence(&self, value:u32) -> u32{ /**
if let Some(v) = self.0.get(&value) { * Determines the maximum occurrence of a set value and returns all values which were set with this occurrence.
*v * @return an array of int, containing the values with the highest occurrence, or null, if no value was set
}else { */
0 pub fn getValue(&self) -> Vec<u32> {
} let mut maxConfidence = -1_i32;
} let mut result = Vec::new();
for (key, value) in &self.0 {
// for (Entry<Integer,Integer> entry : values.entrySet()) {
if *value as i32 > maxConfidence {
maxConfidence = *value as i32;
result.clear();
result.push(*key);
} else if *value as i32 == maxConfidence {
result.push(*key);
}
}
result
}
pub fn getConfidence(&self, value: u32) -> u32 {
if let Some(v) = self.0.get(&value) {
*v
} else {
0
}
}
} }
impl Default for BarcodeValue { impl Default for BarcodeValue {

298
src/pdf417/decoder/bounding_box.rs
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@@ -14,166 +14,190 @@
* limitations under the License. * limitations under the License.
*/ */
use crate::{common::BitMatrix, RXingResultPoint, Exceptions, ResultPoint}; use crate::{common::BitMatrix, Exceptions, RXingResultPoint, ResultPoint};
/** /**
* @author Guenther Grau * @author Guenther Grau
*/ */
#[derive(Clone)] #[derive(Clone)]
pub struct BoundingBox<'a> { pub struct BoundingBox<'a> {
image: &'a BitMatrix,
image:&'a BitMatrix, topLeft: RXingResultPoint,
topLeft:RXingResultPoint, bottomLeft: RXingResultPoint,
bottomLeft:RXingResultPoint, topRight: RXingResultPoint,
topRight:RXingResultPoint, bottomRight: RXingResultPoint,
bottomRight:RXingResultPoint, minX: u32,
minX:u32, maxX: u32,
maxX:u32, minY: u32,
minY:u32, maxY: u32,
maxY:u32,
} }
impl<'a> BoundingBox<'_> { impl<'a> BoundingBox<'_> {
pub fn new(
image: &'a BitMatrix,
topLeft: Option<RXingResultPoint>,
bottomLeft: Option<RXingResultPoint>,
topRight: Option<RXingResultPoint>,
bottomRight: Option<RXingResultPoint>,
) -> Result<BoundingBox<'a>, Exceptions> {
let leftUnspecified = topLeft.is_none() || bottomLeft.is_none();
let rightUnspecified = topRight.is_none() || bottomRight.is_none();
if leftUnspecified && rightUnspecified {
return Err(Exceptions::NotFoundException("".to_owned()));
}
pub fn new( image:&'a BitMatrix, let newTopLeft;
topLeft:Option<RXingResultPoint>, let newBottomLeft;
bottomLeft:Option<RXingResultPoint>, let newTopRight;
topRight:Option<RXingResultPoint>, let newBottomRight;
bottomRight:Option<RXingResultPoint>) -> Result<BoundingBox<'a>,Exceptions> {
let leftUnspecified = topLeft.is_none() || bottomLeft .is_none(); if leftUnspecified {
let rightUnspecified = topRight .is_none() || bottomRight .is_none(); newTopRight = topRight.unwrap();
if leftUnspecified && rightUnspecified { newBottomRight = bottomRight.unwrap();
return Err(Exceptions::NotFoundException("".to_owned())) newTopLeft = RXingResultPoint::new(0.0, newTopRight.getY());
newBottomLeft = RXingResultPoint::new(0.0, newBottomRight.getY());
} else if rightUnspecified {
newTopLeft = topLeft.unwrap();
newBottomLeft = bottomLeft.unwrap();
newTopRight = RXingResultPoint::new(image.getWidth() as f32 - 1.0, newTopLeft.getY());
newBottomRight =
RXingResultPoint::new(image.getWidth() as f32 - 1.0, newBottomLeft.getY());
} else {
newTopLeft = topLeft.unwrap();
newTopRight = topRight.unwrap();
newBottomLeft = bottomLeft.unwrap();
newBottomRight = bottomRight.unwrap();
}
Ok(BoundingBox {
image,
minX: newTopLeft.getX().min(newBottomLeft.getX()) as u32,
maxX: newTopRight.getX().max(newBottomRight.getX()) as u32,
minY: newTopLeft.getY().min(newTopRight.getY()) as u32,
maxY: newBottomLeft.getY().max(newBottomRight.getY()) as u32,
topLeft: newTopLeft,
bottomLeft: newBottomLeft,
topRight: newTopRight,
bottomRight: newBottomRight,
})
} }
let newTopLeft; pub fn from_other(boundingBox: &'a BoundingBox) -> BoundingBox<'a> {
let newBottomLeft; BoundingBox {
let newTopRight; image: boundingBox.image,
let newBottomRight; topLeft: boundingBox.topLeft,
bottomLeft: boundingBox.bottomLeft,
if leftUnspecified { topRight: boundingBox.topRight,
newTopRight = topRight.unwrap(); bottomRight: boundingBox.bottomRight,
newBottomRight = bottomRight.unwrap(); minX: boundingBox.minX,
newTopLeft = RXingResultPoint::new(0.0, newTopRight.getY()); maxX: boundingBox.maxX,
newBottomLeft = RXingResultPoint::new(0.0, newBottomRight.getY()); minY: boundingBox.minY,
} else if rightUnspecified { maxY: boundingBox.maxY,
newTopLeft = topLeft.unwrap(); }
newBottomLeft = bottomLeft.unwrap();
newTopRight = RXingResultPoint::new(image.getWidth() as f32 - 1.0, newTopLeft.getY());
newBottomRight = RXingResultPoint::new(image.getWidth() as f32 - 1.0, newBottomLeft.getY());
}else {
newTopLeft = topLeft.unwrap();
newTopRight = topRight.unwrap();
newBottomLeft = bottomLeft.unwrap();
newBottomRight = bottomRight.unwrap();
} }
Ok(BoundingBox { pub fn merge(
image, leftBox: Option<&'a BoundingBox>,
minX: newTopLeft.getX().min(newBottomLeft.getX()) as u32, rightBox: Option<&'a BoundingBox>,
maxX: newTopRight.getX().max(newBottomRight.getX()) as u32, ) -> Result<BoundingBox<'a>, Exceptions> {
minY: newTopLeft.getY().min(newTopRight.getY()) as u32, if leftBox.is_none() {
maxY: newBottomLeft.getY().max(newBottomRight.getY()) as u32, return Ok(rightBox.unwrap().clone());
topLeft: newTopLeft, }
bottomLeft: newBottomLeft, if rightBox.is_none() {
topRight: newTopRight, return Ok(leftBox.unwrap().clone());
bottomRight: newBottomRight, }
}) let leftBox = leftBox.unwrap();
} let rightBox = rightBox.unwrap();
pub fn from_other( boundingBox:&'a BoundingBox) -> BoundingBox<'a> { BoundingBox::new(
BoundingBox { leftBox.image,
image: boundingBox.image, Some(leftBox.topLeft),
topLeft: boundingBox.topLeft, Some(leftBox.bottomLeft),
bottomLeft: boundingBox.bottomLeft, Some(rightBox.topRight),
topRight: boundingBox.topRight, Some(rightBox.bottomRight),
bottomRight: boundingBox.bottomRight, )
minX: boundingBox.minX,
maxX: boundingBox.maxX,
minY: boundingBox.minY,
maxY: boundingBox.maxY,
}
}
pub fn merge( leftBox:Option<&'a BoundingBox>, rightBox:Option<&'a BoundingBox>) -> Result<BoundingBox<'a>,Exceptions> {
if leftBox.is_none() {
return Ok(rightBox.unwrap().clone())
}
if rightBox .is_none() {
return Ok(leftBox.unwrap().clone())
}
let leftBox = leftBox.unwrap();
let rightBox = rightBox.unwrap();
BoundingBox::new(leftBox.image, Some(leftBox.topLeft), Some(leftBox.bottomLeft), Some(rightBox.topRight), Some(rightBox.bottomRight))
}
pub fn addMissingRows(&self, missingStartRows:u32, missingEndRows:u32, isLeft:bool) -> Result<BoundingBox,Exceptions> {
let mut newTopLeft = self.topLeft;
let mut newBottomLeft = self.bottomLeft;
let mut newTopRight = self.topRight;
let mut newBottomRight = self.bottomRight;
if missingStartRows > 0 {
let top = if isLeft {self.topLeft} else {self.topRight};
let mut newMinY = top.getY() - missingStartRows as f32;
if newMinY < 0.0 {
newMinY = 0.0;
}
let newTop = RXingResultPoint::new(top.getX(), newMinY);
if isLeft {
newTopLeft = newTop;
} else {
newTopRight = newTop;
}
} }
if missingEndRows > 0 { pub fn addMissingRows(
let bottom = if isLeft { self.bottomLeft} else {self.bottomRight}; &self,
let mut newMaxY = bottom.getY() as u32 + missingEndRows; missingStartRows: u32,
if newMaxY >= self.image.getHeight() { missingEndRows: u32,
newMaxY = self.image.getHeight() - 1; isLeft: bool,
} ) -> Result<BoundingBox, Exceptions> {
let newBottom = RXingResultPoint::new(bottom.getX(), newMaxY as f32); let mut newTopLeft = self.topLeft;
if isLeft { let mut newBottomLeft = self.bottomLeft;
newBottomLeft = newBottom; let mut newTopRight = self.topRight;
} else { let mut newBottomRight = self.bottomRight;
newBottomRight = newBottom;
} if missingStartRows > 0 {
let top = if isLeft { self.topLeft } else { self.topRight };
let mut newMinY = top.getY() - missingStartRows as f32;
if newMinY < 0.0 {
newMinY = 0.0;
}
let newTop = RXingResultPoint::new(top.getX(), newMinY);
if isLeft {
newTopLeft = newTop;
} else {
newTopRight = newTop;
}
}
if missingEndRows > 0 {
let bottom = if isLeft {
self.bottomLeft
} else {
self.bottomRight
};
let mut newMaxY = bottom.getY() as u32 + missingEndRows;
if newMaxY >= self.image.getHeight() {
newMaxY = self.image.getHeight() - 1;
}
let newBottom = RXingResultPoint::new(bottom.getX(), newMaxY as f32);
if isLeft {
newBottomLeft = newBottom;
} else {
newBottomRight = newBottom;
}
}
BoundingBox::new(
self.image,
Some(newTopLeft),
Some(newBottomLeft),
Some(newTopRight),
Some(newBottomRight),
)
} }
BoundingBox::new(self.image, Some(newTopLeft), Some(newBottomLeft), Some(newTopRight), Some(newBottomRight)) pub fn getMinX(&self) -> u32 {
} self.minX
}
pub fn getMinX(&self) -> u32{ pub fn getMaxX(&self) -> u32 {
self. minX self.maxX
} }
pub fn getMaxX(&self) -> u32{ pub fn getMinY(&self) -> u32 {
self. maxX self.minY
} }
pub fn getMinY(&self) -> u32{ pub fn getMaxY(&self) -> u32 {
self. minY self.maxY
} }
pub fn getMaxY(&self) -> u32{ pub fn getTopLeft(&self) -> &RXingResultPoint {
self. maxY &self.topLeft
} }
pub fn getTopLeft(&self) -> &RXingResultPoint{ pub fn getTopRight(&self) -> &RXingResultPoint {
&self. topLeft &self.topRight
} }
pub fn getTopRight(&self) -> &RXingResultPoint{ pub fn getBottomLeft(&self) -> &RXingResultPoint {
&self. topRight &self.bottomLeft
} }
pub fn getBottomLeft(&self) -> &RXingResultPoint{
&self. bottomLeft
}
pub fn getBottomRight(&self) -> &RXingResultPoint{
&self. bottomRight
}
pub fn getBottomRight(&self) -> &RXingResultPoint {
&self.bottomRight
}
} }

93
src/pdf417/decoder/codeword.rs
View File

@@ -16,77 +16,74 @@
use std::fmt::Display; use std::fmt::Display;
const BARCODE_ROW_UNKNOWN : i32 = -1; const BARCODE_ROW_UNKNOWN: i32 = -1;
/** /**
* @author Guenther Grau * @author Guenther Grau
*/ */
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
pub struct Codeword { pub struct Codeword {
startX: u32,
startX:u32, endX: u32,
endX:u32, bucket: u32,
bucket:u32, value: u32,
value:u32, rowNumber: i32,
rowNumber : i32,
} }
impl Codeword { impl Codeword {
pub fn new(startX: u32, endX: u32, bucket: u32, value: u32) -> Self {
pub fn new( startX:u32, endX:u32, bucket:u32, value:u32)->Self { Self {
Self { startX,
startX, endX,
endX, bucket,
bucket, value,
value, rowNumber: BARCODE_ROW_UNKNOWN,
rowNumber: BARCODE_ROW_UNKNOWN, }
} }
}
pub fn hasValidRowNumber(&self) -> bool{ pub fn hasValidRowNumber(&self) -> bool {
self.isValidRowNumber(self.rowNumber) self.isValidRowNumber(self.rowNumber)
} }
pub fn isValidRowNumber(&self, rowNumber:i32) -> bool{ pub fn isValidRowNumber(&self, rowNumber: i32) -> bool {
rowNumber != BARCODE_ROW_UNKNOWN && self.bucket == (rowNumber as u32 % 3) * 3 rowNumber != BARCODE_ROW_UNKNOWN && self.bucket == (rowNumber as u32 % 3) * 3
} }
pub fn setRowNumberAsRowIndicatorColumn(&mut self) { pub fn setRowNumberAsRowIndicatorColumn(&mut self) {
self.rowNumber =( (self.value / 30) * 3 + self.bucket / 3) as i32; self.rowNumber = ((self.value / 30) * 3 + self.bucket / 3) as i32;
} }
pub fn getWidth(&self) -> u32{ pub fn getWidth(&self) -> u32 {
self.endX - self.startX self.endX - self.startX
} }
pub fn getStartX(&self) -> u32 { pub fn getStartX(&self) -> u32 {
self. startX self.startX
} }
pub fn getEndX(&self) -> u32{ pub fn getEndX(&self) -> u32 {
self. endX self.endX
} }
pub fn getBucket(&self) -> u32 { pub fn getBucket(&self) -> u32 {
self. bucket self.bucket
} }
pub fn getValue(&self) -> u32 { pub fn getValue(&self) -> u32 {
self.value self.value
} }
pub fn getRowNumber(&self) -> i32{ pub fn getRowNumber(&self) -> i32 {
self. rowNumber self.rowNumber
} }
pub fn setRowNumber(&mut self, rowNumber:i32) {
self.rowNumber = rowNumber;
}
pub fn setRowNumber(&mut self, rowNumber: i32) {
self.rowNumber = rowNumber;
}
} }
impl Display for Codeword { impl Display for Codeword {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f,"{}|{}", self.rowNumber, self.value) write!(f, "{}|{}", self.rowNumber, self.value)
} }
} }

102
src/pdf417/decoder/detection_result_column.rs
View File

@@ -18,75 +18,71 @@ use std::fmt::Display;
use super::{BoundingBox, Codeword}; use super::{BoundingBox, Codeword};
const MAX_NEARBY_DISTANCE :u32 = 5; const MAX_NEARBY_DISTANCE: u32 = 5;
/** /**
* @author Guenther Grau * @author Guenther Grau
*/ */
pub struct DetectionRXingResultColumn<'a> { pub struct DetectionRXingResultColumn<'a> {
boundingBox: BoundingBox<'a>, boundingBox: BoundingBox<'a>,
codewords:Vec<Option<Codeword>>, codewords: Vec<Option<Codeword>>,
} }
impl<'a> DetectionRXingResultColumn<'_> { impl<'a> DetectionRXingResultColumn<'_> {
pub fn new(boundingBox: &'a BoundingBox) -> DetectionRXingResultColumn<'a> {
pub fn new( boundingBox:&'a BoundingBox) -> DetectionRXingResultColumn<'a> { DetectionRXingResultColumn {
DetectionRXingResultColumn { boundingBox: BoundingBox::from_other(boundingBox),
boundingBox: BoundingBox::from_other(boundingBox), codewords: vec![None; (boundingBox.getMaxY() - boundingBox.getMinY() + 1) as usize],
codewords: vec![None;(boundingBox.getMaxY() - boundingBox.getMinY() + 1) as usize],
}
// this.boundingBox = new BoundingBox(boundingBox);
// codewords = new Codeword[boundingBox.getMaxY() - boundingBox.getMinY() + 1];
}
pub fn getCodewordNearby(&self, imageRow:u32) -> &Option<Codeword> {
let mut codeword = self.getCodeword(imageRow);
if codeword.is_some() {
return codeword;
}
for i in 1..MAX_NEARBY_DISTANCE as usize{
// for (int i = 1; i < MAX_NEARBY_DISTANCE; i++) {
let mut nearImageRow = self.imageRowToCodewordIndex(imageRow) - i;
if nearImageRow >= 0 {
codeword = &self.codewords[nearImageRow];
if codeword.is_some() {
return codeword;
} }
} // this.boundingBox = new BoundingBox(boundingBox);
nearImageRow = self.imageRowToCodewordIndex(imageRow) + i ; // codewords = new Codeword[boundingBox.getMaxY() - boundingBox.getMinY() + 1];
if nearImageRow < self.codewords.len() {
codeword = &self.codewords[nearImageRow];
if codeword.is_some() {
return codeword;
}
}
} }
&None
}
pub fn imageRowToCodewordIndex(&self, imageRow:u32) -> usize{ pub fn getCodewordNearby(&self, imageRow: u32) -> &Option<Codeword> {
(imageRow - self.boundingBox.getMinY()) as usize let mut codeword = self.getCodeword(imageRow);
} if codeword.is_some() {
return codeword;
}
for i in 1..MAX_NEARBY_DISTANCE as usize {
// for (int i = 1; i < MAX_NEARBY_DISTANCE; i++) {
let mut nearImageRow = self.imageRowToCodewordIndex(imageRow) - i;
if nearImageRow >= 0 {
codeword = &self.codewords[nearImageRow];
if codeword.is_some() {
return codeword;
}
}
nearImageRow = self.imageRowToCodewordIndex(imageRow) + i;
if nearImageRow < self.codewords.len() {
codeword = &self.codewords[nearImageRow];
if codeword.is_some() {
return codeword;
}
}
}
&None
}
pub fn setCodeword(&mut self, imageRow:u32, codeword:Codeword) { pub fn imageRowToCodewordIndex(&self, imageRow: u32) -> usize {
let pos = self.imageRowToCodewordIndex(imageRow); (imageRow - self.boundingBox.getMinY()) as usize
self.codewords[pos] = Some(codeword); }
}
pub fn getCodeword(&self, imageRow:u32) -> &Option<Codeword>{ pub fn setCodeword(&mut self, imageRow: u32, codeword: Codeword) {
&self. codewords[self.imageRowToCodewordIndex(imageRow)] let pos = self.imageRowToCodewordIndex(imageRow);
} self.codewords[pos] = Some(codeword);
}
pub fn getBoundingBox(&self) -> &BoundingBox {
&self. boundingBox
}
pub fn getCodewords(&self) -> &[Option<Codeword>] {
&self.codewords
}
pub fn getCodeword(&self, imageRow: u32) -> &Option<Codeword> {
&self.codewords[self.imageRowToCodewordIndex(imageRow)]
}
pub fn getBoundingBox(&self) -> &BoundingBox {
&self.boundingBox
}
pub fn getCodewords(&self) -> &[Option<Codeword>] {
&self.codewords
}
} }
impl Display for DetectionRXingResultColumn<'_> { impl Display for DetectionRXingResultColumn<'_> {

158
src/pdf417/decoder/pdf_417_codeword_decoder.rs
View File

@@ -21,108 +21,114 @@ use crate::pdf417::pdf_417_common;
* @author creatale GmbH (christoph.schulz@creatale.de) * @author creatale GmbH (christoph.schulz@creatale.de)
*/ */
// const RATIOS_TABLE :[[f32]] = // const RATIOS_TABLE :[[f32]] =
// [[0.0;pdf_417_common::SYMBOL_TABLE.len()];pdf_417_common::BARS_IN_MODULE]; // [[0.0;pdf_417_common::SYMBOL_TABLE.len()];pdf_417_common::BARS_IN_MODULE];
const RATIOS_TABLE : [[f64;pdf_417_common::BARS_IN_MODULE as usize];2787] = { const RATIOS_TABLE: [[f64; pdf_417_common::BARS_IN_MODULE as usize]; 2787] = {
let mut table = [[0.0;pdf_417_common::BARS_IN_MODULE as usize];pdf_417_common::SYMBOL_TABLE.len()]; let mut table =
[[0.0; pdf_417_common::BARS_IN_MODULE as usize]; pdf_417_common::SYMBOL_TABLE.len()];
// Pre-computes the symbol ratio table. // Pre-computes the symbol ratio table.
let mut i = 0_usize; let mut i = 0_usize;
while i < pdf_417_common::SYMBOL_TABLE.len() { while i < pdf_417_common::SYMBOL_TABLE.len() {
// for (int i = 0; i < PDF417Common.SYMBOL_TABLE.length; i++) { // for (int i = 0; i < PDF417Common.SYMBOL_TABLE.length; i++) {
let mut currentSymbol = pdf_417_common::SYMBOL_TABLE[i]; let mut currentSymbol = pdf_417_common::SYMBOL_TABLE[i];
let mut currentBit = currentSymbol & 0x1; let mut currentBit = currentSymbol & 0x1;
let mut j = 0_usize; let mut j = 0_usize;
while j < pdf_417_common::BARS_IN_MODULE as usize { while j < pdf_417_common::BARS_IN_MODULE as usize {
// for (int j = 0; j < pdf_417_common::BARS_IN_MODULE; j++) { // for (int j = 0; j < pdf_417_common::BARS_IN_MODULE; j++) {
let mut size = 0.0; let mut size = 0.0;
while (currentSymbol & 0x1) == currentBit { while (currentSymbol & 0x1) == currentBit {
size += 1.0; size += 1.0;
currentSymbol >>= 1; currentSymbol >>= 1;
}
currentBit = currentSymbol & 0x1;
table[i][pdf_417_common::BARS_IN_MODULE as usize - j - 1] =
size / pdf_417_common::MODULES_IN_CODEWORD as f64;
j += 1;
} }
currentBit = currentSymbol & 0x1;
table[i][pdf_417_common::BARS_IN_MODULE as usize - j - 1] = size / pdf_417_common::MODULES_IN_CODEWORD as f64;
j+=1; i += 1;
}
i+=1;
} }
table table
}; };
pub fn getDecodedValue( moduleBitCount:&[u32]) -> u32{ pub fn getDecodedValue(moduleBitCount: &[u32]) -> u32 {
let decodedValue = getDecodedCodewordValue(&sampleBitCounts(moduleBitCount)); let decodedValue = getDecodedCodewordValue(&sampleBitCounts(moduleBitCount));
if decodedValue != -1 { if decodedValue != -1 {
return decodedValue as u32; return decodedValue as u32;
} }
getClosestDecodedValue(moduleBitCount) as u32 getClosestDecodedValue(moduleBitCount) as u32
} }
fn sampleBitCounts( moduleBitCount:&[u32]) -> [u32;8]{ fn sampleBitCounts(moduleBitCount: &[u32]) -> [u32; 8] {
let bitCountSum:u32 = moduleBitCount.iter().sum(); //MathUtils.sum(moduleBitCount); let bitCountSum: u32 = moduleBitCount.iter().sum(); //MathUtils.sum(moduleBitCount);
let mut result = [0;pdf_417_common::BARS_IN_MODULE as usize]; let mut result = [0; pdf_417_common::BARS_IN_MODULE as usize];
let mut bitCountIndex = 0; let mut bitCountIndex = 0;
let mut sumPreviousBits = 0; let mut sumPreviousBits = 0;
for i in 0..pdf_417_common::MODULES_IN_CODEWORD { for i in 0..pdf_417_common::MODULES_IN_CODEWORD {
// for (int i = 0; i < PDF417Common.MODULES_IN_CODEWORD; i++) { // for (int i = 0; i < PDF417Common.MODULES_IN_CODEWORD; i++) {
let sampleIndex:f32 = let sampleIndex: f32 = bitCountSum as f32
bitCountSum as f32/ (2 * pdf_417_common::MODULES_IN_CODEWORD) as f32 + / (2 * pdf_417_common::MODULES_IN_CODEWORD) as f32
(i * bitCountSum) as f32 / pdf_417_common::MODULES_IN_CODEWORD as f32; + (i * bitCountSum) as f32 / pdf_417_common::MODULES_IN_CODEWORD as f32;
if sumPreviousBits as f32 + moduleBitCount[bitCountIndex] as f32 <= sampleIndex { if sumPreviousBits as f32 + moduleBitCount[bitCountIndex] as f32 <= sampleIndex {
sumPreviousBits += moduleBitCount[bitCountIndex]; sumPreviousBits += moduleBitCount[bitCountIndex];
bitCountIndex+=1; bitCountIndex += 1;
} }
result[bitCountIndex]+=1; result[bitCountIndex] += 1;
} }
result result
} }
fn getDecodedCodewordValue( moduleBitCount:&[u32]) -> i32{ fn getDecodedCodewordValue(moduleBitCount: &[u32]) -> i32 {
let decodedValue = getBitValue(moduleBitCount); let decodedValue = getBitValue(moduleBitCount);
if pdf_417_common::getCodeword(decodedValue as u32) == -1 {-1} else {decodedValue} if pdf_417_common::getCodeword(decodedValue as u32) == -1 {
} -1
} else {
fn getBitValue( moduleBitCount:&[u32]) -> i32{ decodedValue
let mut result : u64 = 0;
for i in 0..moduleBitCount.len() {
// for (int i = 0; i < moduleBitCount.length; i++) {
for _bit in 0..moduleBitCount[i] {
// for (int bit = 0; bit < moduleBitCount[i]; bit++) {
result = (result << 1) | (if i % 2 == 0 {1} else {0});
}
} }
result as i32 }
}
fn getClosestDecodedValue( moduleBitCount:&[u32]) -> i32{ fn getBitValue(moduleBitCount: &[u32]) -> i32 {
let bitCountSum : u32= moduleBitCount.iter().sum();//MathUtils.sum(moduleBitCount); let mut result: u64 = 0;
let mut bitCountRatios = [0.0;pdf_417_common::BARS_IN_MODULE as usize]; for i in 0..moduleBitCount.len() {
// for (int i = 0; i < moduleBitCount.length; i++) {
for _bit in 0..moduleBitCount[i] {
// for (int bit = 0; bit < moduleBitCount[i]; bit++) {
result = (result << 1) | (if i % 2 == 0 { 1 } else { 0 });
}
}
result as i32
}
fn getClosestDecodedValue(moduleBitCount: &[u32]) -> i32 {
let bitCountSum: u32 = moduleBitCount.iter().sum(); //MathUtils.sum(moduleBitCount);
let mut bitCountRatios = [0.0; pdf_417_common::BARS_IN_MODULE as usize];
if bitCountSum > 1 { if bitCountSum > 1 {
for i in 0..bitCountRatios.len() { for i in 0..bitCountRatios.len() {
// for (int i = 0; i < bitCountRatios.length; i++) { // for (int i = 0; i < bitCountRatios.length; i++) {
bitCountRatios[i] = moduleBitCount[i] as f64 / bitCountSum as f64; bitCountRatios[i] = moduleBitCount[i] as f64 / bitCountSum as f64;
} }
} }
let mut bestMatchError = f64::MAX; let mut bestMatchError = f64::MAX;
let mut bestMatch = -1_i32; let mut bestMatch = -1_i32;
for j in 0..RATIOS_TABLE.len() { for j in 0..RATIOS_TABLE.len() {
// for (int j = 0; j < RATIOS_TABLE.length; j++) { // for (int j = 0; j < RATIOS_TABLE.length; j++) {
let mut error = 0.0; let mut error = 0.0;
let ratioTableRow = RATIOS_TABLE[j]; let ratioTableRow = RATIOS_TABLE[j];
for k in 0..pdf_417_common::BARS_IN_MODULE as usize{ for k in 0..pdf_417_common::BARS_IN_MODULE as usize {
// for (int k = 0; k < PDF417Common.BARS_IN_MODULE; k++) { // for (int k = 0; k < PDF417Common.BARS_IN_MODULE; k++) {
let diff = ratioTableRow[k] - bitCountRatios[k]; let diff = ratioTableRow[k] - bitCountRatios[k];
error += diff * diff; error += diff * diff;
if error >= bestMatchError { if error >= bestMatchError {
break; break;
}
}
if error < bestMatchError {
bestMatchError = error;
bestMatch = pdf_417_common::SYMBOL_TABLE[j] as i32;
} }
}
if error < bestMatchError {
bestMatchError = error;
bestMatch = pdf_417_common::SYMBOL_TABLE[j] as i32;
}
} }
bestMatch bestMatch
} }