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incomplete port of aztec detector

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Henry Schimke
2022-09-20 14:57:55 -05:00
parent 1a0f04736c
commit 2313085ae9
4 changed files with 711 additions and 559 deletions
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71
src/aztec/DetectorTest.java → src/aztec/DetectorTest.rs
View File

@@ -14,53 +14,54 @@
* limitations under the License. * limitations under the License.
*/ */
package com.google.zxing.aztec.detector; // package com.google.zxing.aztec.detector;
import com.google.zxing.NotFoundException; // import com.google.zxing.NotFoundException;
import com.google.zxing.aztec.AztecDetectorRXingResult; // import com.google.zxing.aztec.AztecDetectorRXingResult;
import com.google.zxing.aztec.decoder.Decoder; // import com.google.zxing.aztec.decoder.Decoder;
import com.google.zxing.aztec.detector.Detector.Point; // import com.google.zxing.aztec.detector.Detector.Point;
import com.google.zxing.aztec.encoder.AztecCode; // import com.google.zxing.aztec.encoder.AztecCode;
import com.google.zxing.aztec.encoder.Encoder; // import com.google.zxing.aztec.encoder.Encoder;
import com.google.zxing.common.BitMatrix; // import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.DecoderRXingResult; // import com.google.zxing.common.DecoderRXingResult;
import org.junit.Assert; // import org.junit.Assert;
import org.junit.Test; // import org.junit.Test;
import java.util.ArrayList; // import java.util.ArrayList;
import java.util.Arrays; // import java.util.Arrays;
import java.util.Collection; // import java.util.Collection;
import java.util.List; // import java.util.List;
import java.util.Random; // import java.util.Random;
import java.util.TreeSet; // import java.util.TreeSet;
use crate::common::BitMatrix;
/** /**
* Tests for the Detector * Tests for the Detector
* *
* @author Frank Yellin * @author Frank Yellin
*/ */
public final class DetectorTest extends Assert {
@Test #[test]
public void testErrorInParameterLocatorZeroZero() throws Exception { fn testErrorInParameterLocatorZeroZero() {
// Layers=1, CodeWords=1. So the parameter info and its Reed-Solomon info // Layers=1, CodeWords=1. So the parameter info and its Reed-Solomon info
// will be completely zero! // will be completely zero!
testErrorInParameterLocator("X"); testErrorInParameterLocator("X");
} }
@Test #[test]
public void testErrorInParameterLocatorCompact() throws Exception { fn testErrorInParameterLocatorCompact() {
testErrorInParameterLocator("This is an example Aztec symbol for Wikipedia."); testErrorInParameterLocator("This is an example Aztec symbol for Wikipedia.");
} }
@Test #[test]
public void testErrorInParameterLocatorNotCompact() throws Exception { fn testErrorInParameterLocatorNotCompact() {
String alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxyz"; String alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxyz";
testErrorInParameterLocator(alphabet + alphabet + alphabet); testErrorInParameterLocator(alphabet + alphabet + alphabet);
} }
// Test that we can tolerate errors in the parameter locator bits // Test that we can tolerate errors in the parameter locator bits
private static void testErrorInParameterLocator(String data) throws Exception { fn testErrorInParameterLocator( data:&str) {
AztecCode aztec = Encoder.encode(data, 25, Encoder.DEFAULT_AZTEC_LAYERS); AztecCode aztec = Encoder.encode(data, 25, Encoder.DEFAULT_AZTEC_LAYERS);
Random random = new Random(aztec.getMatrix().hashCode()); // pseudo-random, but deterministic Random random = new Random(aztec.getMatrix().hashCode()); // pseudo-random, but deterministic
int layers = aztec.getLayers(); int layers = aztec.getLayers();
@@ -109,9 +110,9 @@ public final class DetectorTest extends Assert {
} }
// Zooms a bit matrix so that each bit is factor x factor // Zooms a bit matrix so that each bit is factor x factor
private static BitMatrix makeLarger(BitMatrix input, int factor) { fn makeLarger( input:&BitMatrix, factor:u32) -> BitMatrix{
int width = input.getWidth(); let width = input.getWidth();
BitMatrix output = new BitMatrix(width * factor); let output = BitMatrix::new(width * factor);
for (int inputY = 0; inputY < width; inputY++) { for (int inputY = 0; inputY < width; inputY++) {
for (int inputX = 0; inputX < width; inputX++) { for (int inputX = 0; inputX < width; inputX++) {
if (input.get(inputX, inputY)) { if (input.get(inputX, inputY)) {
@@ -123,7 +124,7 @@ public final class DetectorTest extends Assert {
} }
// Returns a list of the four rotations of the BitMatrix. // Returns a list of the four rotations of the BitMatrix.
private static Iterable<BitMatrix> getRotations(BitMatrix matrix0) { fn getRotations( matrix0:&BitMatrix)-> Vec<BitMatrix> {
BitMatrix matrix90 = rotateRight(matrix0); BitMatrix matrix90 = rotateRight(matrix0);
BitMatrix matrix180 = rotateRight(matrix90); BitMatrix matrix180 = rotateRight(matrix90);
BitMatrix matrix270 = rotateRight(matrix180); BitMatrix matrix270 = rotateRight(matrix180);
@@ -131,7 +132,7 @@ public final class DetectorTest extends Assert {
} }
// Rotates a square BitMatrix to the right by 90 degrees // Rotates a square BitMatrix to the right by 90 degrees
private static BitMatrix rotateRight(BitMatrix input) { fn rotateRight( input:&BitMatrix) -> BitMatrix{
int width = input.getWidth(); int width = input.getWidth();
BitMatrix result = new BitMatrix(width); BitMatrix result = new BitMatrix(width);
for (int x = 0; x < width; x++) { for (int x = 0; x < width; x++) {
@@ -146,8 +147,8 @@ public final class DetectorTest extends Assert {
// Returns the transpose of a bit matrix, which is equivalent to rotating the // Returns the transpose of a bit matrix, which is equivalent to rotating the
// matrix to the right, and then flipping it left-to-right // matrix to the right, and then flipping it left-to-right
private static BitMatrix transpose(BitMatrix input) { fn transpose( input:&BitMatrix) -> BitMatrix {
int width = input.getWidth(); let width = input.getWidth();
BitMatrix result = new BitMatrix(width); BitMatrix result = new BitMatrix(width);
for (int x = 0; x < width; x++) { for (int x = 0; x < width; x++) {
for (int y = 0; y < width; y++) { for (int y = 0; y < width; y++) {
@@ -159,7 +160,7 @@ public final class DetectorTest extends Assert {
return result; return result;
} }
private static BitMatrix clone(BitMatrix input) { fn clone( input:&BitMatrix) -> BitMatrix {
int width = input.getWidth(); int width = input.getWidth();
BitMatrix result = new BitMatrix(width); BitMatrix result = new BitMatrix(width);
for (int x = 0; x < width; x++) { for (int x = 0; x < width; x++) {
@@ -172,7 +173,7 @@ public final class DetectorTest extends Assert {
return result; return result;
} }
private static List<Point> getOrientationPoints(AztecCode code) { fn getOrientationPoints( code::&AztecCode) -> Vec<Point> {
int center = code.getMatrix().getWidth() / 2; int center = code.getMatrix().getWidth() / 2;
int offset = code.isCompact() ? 5 : 7; int offset = code.isCompact() ? 5 : 7;
List<Point> result = new ArrayList<>(); List<Point> result = new ArrayList<>();
@@ -185,5 +186,3 @@ public final class DetectorTest extends Assert {
} }
return result; return result;
} }
}

637
src/aztec/detector.rs
View File

@@ -27,9 +27,21 @@
// import com.google.zxing.common.reedsolomon.ReedSolomonDecoder; // import com.google.zxing.common.reedsolomon.ReedSolomonDecoder;
// import com.google.zxing.common.reedsolomon.ReedSolomonException; // import com.google.zxing.common.reedsolomon.ReedSolomonException;
use crate::common::BitMatrix; use std::fmt;
const EXPECTED_CORNER_BITS : [u16;4]= [ use crate::{
common::{
detector::{MathUtils, WhiteRectangleDetector},
reedsolomon::{self, GenericGF, ReedSolomonDecoder},
BitMatrix, DefaultGridSampler, GridSampler,
},
exceptions::Exceptions,
RXingResultPoint,
};
use super::AztecDetectorResult::AztecDetectorRXingResult;
const EXPECTED_CORNER_BITS: [u32; 4] = [
0xee0, // 07340 XXX .XX X.. ... 0xee0, // 07340 XXX .XX X.. ...
0x1dc, // 00734 ... XXX .XX X.. 0x1dc, // 00734 ... XXX .XX X..
0x83b, // 04073 X.. ... XXX .XX 0x83b, // 04073 X.. ... XXX .XX
@@ -54,7 +66,6 @@ pub struct Detector {
} }
impl Detector { impl Detector {
pub fn new(image: BitMatrix) -> Self { pub fn new(image: BitMatrix) -> Self {
Self { Self {
image, image,
@@ -66,8 +77,8 @@ impl Detector {
} }
} }
public AztecDetectorRXingResult detect() throws NotFoundException { pub fn detect_false(&mut self) -> Result<AztecDetectorRXingResult, Exceptions> {
return detect(false); self.detect(false)
} }
/** /**
@@ -77,35 +88,42 @@ impl Detector {
* @return {@link AztecDetectorRXingResult} encapsulating results of detecting an Aztec Code * @return {@link AztecDetectorRXingResult} encapsulating results of detecting an Aztec Code
* @throws NotFoundException if no Aztec Code can be found * @throws NotFoundException if no Aztec Code can be found
*/ */
public AztecDetectorRXingResult detect(boolean isMirror) throws NotFoundException { pub fn detect(&mut self, is_mirror: bool) -> Result<AztecDetectorRXingResult, Exceptions> {
// 1. Get the center of the aztec matrix // 1. Get the center of the aztec matrix
Point pCenter = getMatrixCenter(); let pCenter = self.getMatrixCenter();
// 2. Get the center points of the four diagonal points just outside the bull's eye // 2. Get the center points of the four diagonal points just outside the bull's eye
// [topRight, bottomRight, bottomLeft, topLeft] // [topRight, bottomRight, bottomLeft, topLeft]
RXingResultPoint[] bullsEyeCorners = getBullsEyeCorners(pCenter); let mut bullsEyeCorners = self.getBullsEyeCorners(pCenter)?;
if (isMirror) { if is_mirror {
RXingResultPoint temp = bullsEyeCorners[0]; let temp = bullsEyeCorners[0];
bullsEyeCorners[0] = bullsEyeCorners[2]; bullsEyeCorners[0] = bullsEyeCorners[2];
bullsEyeCorners[2] = temp; bullsEyeCorners[2] = temp;
} }
// 3. Get the size of the matrix and other parameters from the bull's eye // 3. Get the size of the matrix and other parameters from the bull's eye
extractParameters(bullsEyeCorners); self.extractParameters(&bullsEyeCorners);
// 4. Sample the grid // 4. Sample the grid
BitMatrix bits = sampleGrid(image, let bits = self.sampleGrid(
bullsEyeCorners[shift % 4], &self.image,
bullsEyeCorners[(shift + 1) % 4], &bullsEyeCorners[self.shift as usize % 4],
bullsEyeCorners[(shift + 2) % 4], &bullsEyeCorners[(self.shift as usize + 1) % 4],
bullsEyeCorners[(shift + 3) % 4]); &bullsEyeCorners[(self.shift as usize + 2) % 4],
&bullsEyeCorners[(self.shift as usize + 3) % 4],
)?;
// 5. Get the corners of the matrix. // 5. Get the corners of the matrix.
RXingResultPoint[] corners = getMatrixCornerPoints(bullsEyeCorners); let corners = self.getMatrixCornerPoints(&bullsEyeCorners);
return new AztecDetectorRXingResult(bits, corners, compact, nbDataBlocks, nbLayers); Ok(AztecDetectorRXingResult::new(
bits,
corners,
self.compact,
self.nbDataBlocks,
self.nbLayers,
))
} }
/** /**
@@ -114,57 +132,66 @@ impl Detector {
* @param bullsEyeCorners the array of bull's eye corners * @param bullsEyeCorners the array of bull's eye corners
* @throws NotFoundException in case of too many errors or invalid parameters * @throws NotFoundException in case of too many errors or invalid parameters
*/ */
private void extractParameters(RXingResultPoint[] bullsEyeCorners) throws NotFoundException { fn extractParameters(
if (!isValid(bullsEyeCorners[0]) || !isValid(bullsEyeCorners[1]) || &mut self,
!isValid(bullsEyeCorners[2]) || !isValid(bullsEyeCorners[3])) { bullsEyeCorners: &[RXingResultPoint],
throw NotFoundException.getNotFoundInstance(); ) -> Result<(), Exceptions> {
if !self.isValid(&bullsEyeCorners[0])
|| !self.isValid(&bullsEyeCorners[1])
|| !self.isValid(&bullsEyeCorners[2])
|| !self.isValid(&bullsEyeCorners[3])
{
return Err(Exceptions::NotFoundException("no valid points".to_owned()));
} }
int length = 2 * nbCenterLayers; let length = 2 * self.nbCenterLayers;
// Get the bits around the bull's eye // Get the bits around the bull's eye
int[] sides = { let sides = [
sampleLine(bullsEyeCorners[0], bullsEyeCorners[1], length), // Right side self.sampleLine(&bullsEyeCorners[0], &bullsEyeCorners[1], length), // Right side
sampleLine(bullsEyeCorners[1], bullsEyeCorners[2], length), // Bottom self.sampleLine(&bullsEyeCorners[1], &bullsEyeCorners[2], length), // Bottom
sampleLine(bullsEyeCorners[2], bullsEyeCorners[3], length), // Left side self.sampleLine(&bullsEyeCorners[2], &bullsEyeCorners[3], length), // Left side
sampleLine(bullsEyeCorners[3], bullsEyeCorners[0], length) // Top self.sampleLine(&bullsEyeCorners[3], &bullsEyeCorners[0], length), // Top
}; ];
// bullsEyeCorners[shift] is the corner of the bulls'eye that has three // bullsEyeCorners[shift] is the corner of the bulls'eye that has three
// orientation marks. // orientation marks.
// sides[shift] is the row/column that goes from the corner with three // sides[shift] is the row/column that goes from the corner with three
// orientation marks to the corner with two. // orientation marks to the corner with two.
shift = getRotation(sides, length); self.shift = Self::getRotation(&sides, length)?;
// Flatten the parameter bits into a single 28- or 40-bit long // Flatten the parameter bits into a single 28- or 40-bit long
long parameterData = 0; let mut parameterData = 0u64;
for (int i = 0; i < 4; i++) { for i in 0..4 {
int side = sides[(shift + i) % 4]; // for (int i = 0; i < 4; i++) {
if (compact) { let side = sides[(self.shift + i) as usize % 4];
if self.compact {
// Each side of the form ..XXXXXXX. where Xs are parameter data // Each side of the form ..XXXXXXX. where Xs are parameter data
parameterData <<= 7; parameterData <<= 7;
parameterData += (side >> 1) & 0x7F; parameterData += (side as u64 >> 1) & 0x7F;
} else { } else {
// Each side of the form ..XXXXX.XXXXX. where Xs are parameter data // Each side of the form ..XXXXX.XXXXX. where Xs are parameter data
parameterData <<= 10; parameterData <<= 10;
parameterData += ((side >> 2) & (0x1f << 5)) + ((side >> 1) & 0x1F); parameterData += ((side as u64 >> 2) & (0x1f << 5)) + ((side as u64 >> 1) & 0x1F);
} }
} }
// Corrects parameter data using RS. Returns just the data portion // Corrects parameter data using RS. Returns just the data portion
// without the error correction. // without the error correction.
int correctedData = getCorrectedParameterData(parameterData, compact); let correctedData = Self::getCorrectedParameterData(parameterData, self.compact)?;
if (compact) { if self.compact {
// 8 bits: 2 bits layers and 6 bits data blocks // 8 bits: 2 bits layers and 6 bits data blocks
nbLayers = (correctedData >> 6) + 1; self.nbLayers = (correctedData >> 6) + 1;
nbDataBlocks = (correctedData & 0x3F) + 1; self.nbDataBlocks = (correctedData & 0x3F) + 1;
} else { } else {
// 16 bits: 5 bits layers and 11 bits data blocks // 16 bits: 5 bits layers and 11 bits data blocks
nbLayers = (correctedData >> 11) + 1; self.nbLayers = (correctedData >> 11) + 1;
nbDataBlocks = (correctedData & 0x7FF) + 1; self.nbDataBlocks = (correctedData & 0x7FF) + 1;
}
} }
private static int getRotation(int[] sides, int length) throws NotFoundException { Ok(())
}
fn getRotation(sides: &[u32], length: u32) -> Result<u32, Exceptions> {
// In a normal pattern, we expect to See // In a normal pattern, we expect to See
// ** .* D A // ** .* D A
// * * // * *
@@ -174,10 +201,11 @@ impl Detector {
// //
// Grab the 3 bits from each of the sides the form the locator pattern and concatenate // Grab the 3 bits from each of the sides the form the locator pattern and concatenate
// into a 12-bit integer. Start with the bit at A // into a 12-bit integer. Start with the bit at A
int cornerBits = 0; let mut cornerBits = 0;
for (int side : sides) { for side in sides {
// for (int side : sides) {
// XX......X where X's are orientation marks // XX......X where X's are orientation marks
int t = ((side >> (length - 2)) << 1) + (side & 1); let t = ((side >> (length - 2)) << 1) + (side & 1);
cornerBits = (cornerBits << 3) + t; cornerBits = (cornerBits << 3) + t;
} }
// Mov the bottom bit to the top, so that the three bits of the locator pattern at A are // Mov the bottom bit to the top, so that the three bits of the locator pattern at A are
@@ -187,12 +215,14 @@ impl Detector {
// The result shift indicates which element of BullsEyeCorners[] goes into the top-left // The result shift indicates which element of BullsEyeCorners[] goes into the top-left
// corner. Since the four rotation values have a Hamming distance of 8, we // corner. Since the four rotation values have a Hamming distance of 8, we
// can easily tolerate two errors. // can easily tolerate two errors.
for (int shift = 0; shift < 4; shift++) { for shift in 0..4 {
if (Integer.bitCount(cornerBits ^ EXPECTED_CORNER_BITS[shift]) <= 2) { // for (int shift = 0; shift < 4; shift++) {
return shift; if (cornerBits ^ EXPECTED_CORNER_BITS[shift as usize]).count_ones() <= 2 {
// if (Integer.bitCount(cornerBits ^ EXPECTED_CORNER_BITS[shift]) <= 2) {
return Ok(shift);
} }
} }
throw NotFoundException.getNotFoundInstance(); Err(Exceptions::NotFoundException("rotation failure".to_owned()))
} }
/** /**
@@ -202,11 +232,13 @@ impl Detector {
* @param compact true if this is a compact Aztec code * @param compact true if this is a compact Aztec code
* @throws NotFoundException if the array contains too many errors * @throws NotFoundException if the array contains too many errors
*/ */
private static int getCorrectedParameterData(long parameterData, boolean compact) throws NotFoundException { fn getCorrectedParameterData(parameterData: u64, compact: bool) -> Result<u32, Exceptions> {
int numCodewords; let mut parameterData = parameterData;
int numDataCodewords;
if (compact) { let numCodewords: i32;
let numDataCodewords: i32;
if compact {
numCodewords = 7; numCodewords = 7;
numDataCodewords = 2; numDataCodewords = 2;
} else { } else {
@@ -214,24 +246,28 @@ impl Detector {
numDataCodewords = 4; numDataCodewords = 4;
} }
int numECCodewords = numCodewords - numDataCodewords; let numECCodewords = numCodewords - numDataCodewords;
int[] parameterWords = new int[numCodewords]; let mut parameterWords = vec![0i32; numCodewords as usize];
for (int i = numCodewords - 1; i >= 0; --i) { for i in (0..numCodewords - 1).rev() {
parameterWords[i] = (int) parameterData & 0xF; // for (int i = numCodewords - 1; i >= 0; --i) {
parameterWords[i as usize] = (parameterData & 0xF) as i32;
parameterData >>= 4; parameterData >>= 4;
} }
try { //try {
ReedSolomonDecoder rsDecoder = new ReedSolomonDecoder(GenericGF.AZTEC_PARAM); let field =
rsDecoder.decode(parameterWords, numECCodewords); reedsolomon::get_predefined_genericgf(reedsolomon::PredefinedGenericGF::AztecParam);
} catch (ReedSolomonException ignored) { let rsDecoder = ReedSolomonDecoder::new(field);
throw NotFoundException.getNotFoundInstance(); rsDecoder.decode(&mut parameterWords, numECCodewords)?;
} //} catch (ReedSolomonException ignored) {
//throw NotFoundException.getNotFoundInstance();
//}
// Toss the error correction. Just return the data as an integer // Toss the error correction. Just return the data as an integer
int result = 0; let mut result = 0u32;
for (int i = 0; i < numDataCodewords; i++) { for i in 0..numDataCodewords {
result = (result << 4) + parameterWords[i]; // for (int i = 0; i < numDataCodewords; i++) {
result = (result << 4) + parameterWords[i as usize] as u32;
} }
return result; Ok(result)
} }
/** /**
@@ -243,28 +279,35 @@ impl Detector {
* @return The corners of the bull-eye * @return The corners of the bull-eye
* @throws NotFoundException If no valid bull-eye can be found * @throws NotFoundException If no valid bull-eye can be found
*/ */
private RXingResultPoint[] getBullsEyeCorners(Point pCenter) throws NotFoundException { fn getBullsEyeCorners(&mut self, pCenter: Point) -> Result<Vec<RXingResultPoint>, Exceptions> {
let mut pina = pCenter;
let mut pinb = pCenter;
let mut pinc = pCenter;
let mut pind = pCenter;
Point pina = pCenter; let mut color = true;
Point pinb = pCenter;
Point pinc = pCenter;
Point pind = pCenter;
boolean color = true; for nbCenterLayers in 1..9 {
// for (nbCenterLayers = 1; nbCenterLayers < 9; nbCenterLayers++) {
for (nbCenterLayers = 1; nbCenterLayers < 9; nbCenterLayers++) { let pouta = self.getFirstDifferent(&pina, color, 1, -1);
Point pouta = getFirstDifferent(pina, color, 1, -1); let poutb = self.getFirstDifferent(&pinb, color, 1, 1);
Point poutb = getFirstDifferent(pinb, color, 1, 1); let poutc = self.getFirstDifferent(&pinc, color, -1, 1);
Point poutc = getFirstDifferent(pinc, color, -1, 1); let poutd = self.getFirstDifferent(&pind, color, -1, -1);
Point poutd = getFirstDifferent(pind, color, -1, -1);
//d a //d a
// //
//c b //c b
if (nbCenterLayers > 2) { if nbCenterLayers > 2 {
float q = distance(poutd, pouta) * nbCenterLayers / (distance(pind, pina) * (nbCenterLayers + 2)); let q: f32 =
if (q < 0.75 || q > 1.25 || !isWhiteOrBlackRectangle(pouta, poutb, poutc, poutd)) { Self::distance(&poutd.toRXingResultPoint(), &pouta.toRXingResultPoint())
* nbCenterLayers as f32
/ (Self::distance(&pind.toRXingResultPoint(), &pina.toRXingResultPoint())
* (nbCenterLayers + 2) as f32);
if q < 0.75
|| q > 1.25
|| !self.isWhiteOrBlackRectangle(&pouta, &poutb, &poutc, &poutd)
{
break; break;
} }
} }
@@ -277,24 +320,26 @@ impl Detector {
color = !color; color = !color;
} }
if (nbCenterLayers != 5 && nbCenterLayers != 7) { if self.nbCenterLayers != 5 && self.nbCenterLayers != 7 {
throw NotFoundException.getNotFoundInstance(); return Err(Exceptions::NotFoundException("".to_owned()));
} }
compact = nbCenterLayers == 5; self.compact = self.nbCenterLayers == 5;
// Expand the square by .5 pixel in each direction so that we're on the border // Expand the square by .5 pixel in each direction so that we're on the border
// between the white square and the black square // between the white square and the black square
RXingResultPoint pinax = new RXingResultPoint(pina.getX() + 0.5f, pina.getY() - 0.5f); let pinax = RXingResultPoint::new(pina.getX() as f32 + 0.5f32, pina.getY() as f32 - 0.5f32);
RXingResultPoint pinbx = new RXingResultPoint(pinb.getX() + 0.5f, pinb.getY() + 0.5f); let pinbx = RXingResultPoint::new(pinb.getX() as f32 + 0.5f32, pinb.getY() as f32 + 0.5f32);
RXingResultPoint pincx = new RXingResultPoint(pinc.getX() - 0.5f, pinc.getY() + 0.5f); let pincx = RXingResultPoint::new(pinc.getX() as f32 - 0.5f32, pinc.getY() as f32 + 0.5f32);
RXingResultPoint pindx = new RXingResultPoint(pind.getX() - 0.5f, pind.getY() - 0.5f); let pindx = RXingResultPoint::new(pind.getX() as f32 - 0.5f32, pind.getY() as f32 - 0.5f32);
// Expand the square so that its corners are the centers of the points // Expand the square so that its corners are the centers of the points
// just outside the bull's eye. // just outside the bull's eye.
return expandSquare(new RXingResultPoint[]{pinax, pinbx, pincx, pindx}, Ok(Self::expandSquare(
2 * nbCenterLayers - 3, &[pinax, pinbx, pincx, pindx],
2 * nbCenterLayers); 2 * self.nbCenterLayers - 3,
2 * self.nbCenterLayers,
))
} }
/** /**
@@ -302,62 +347,125 @@ impl Detector {
* *
* @return the center point * @return the center point
*/ */
private Point getMatrixCenter() { fn getMatrixCenter(&self) -> Point {
let mut pointA = RXingResultPoint { x: 0.0, y: 0.0 };
let mut pointB = RXingResultPoint { x: 0.0, y: 0.0 };
let mut pointC = RXingResultPoint { x: 0.0, y: 0.0 };
let mut pointD = RXingResultPoint { x: 0.0, y: 0.0 };
RXingResultPoint pointA; let mut fnd = false;
RXingResultPoint pointB;
RXingResultPoint pointC;
RXingResultPoint pointD;
//Get a white rectangle that can be the border of the matrix in center bull's eye or //Get a white rectangle that can be the border of the matrix in center bull's eye or
try { if let Ok(wrd) = WhiteRectangleDetector::new_from_image(&self.image) {
if let Ok(cornerPoints) = wrd.detect() {
RXingResultPoint[] cornerPoints = new WhiteRectangleDetector(image).detect();
pointA = cornerPoints[0]; pointA = cornerPoints[0];
pointB = cornerPoints[1]; pointB = cornerPoints[1];
pointC = cornerPoints[2]; pointC = cornerPoints[2];
pointD = cornerPoints[3]; pointD = cornerPoints[3];
fnd = true;
} catch (NotFoundException e) { }
}
// This exception can be in case the initial rectangle is white // This exception can be in case the initial rectangle is white
// In that case, surely in the bull's eye, we try to expand the rectangle. // In that case, surely in the bull's eye, we try to expand the rectangle.
int cx = image.getWidth() / 2; if !fnd {
int cy = image.getHeight() / 2; let cx: i32 = (self.image.getWidth() / 2).try_into().unwrap();
pointA = getFirstDifferent(new Point(cx + 7, cy - 7), false, 1, -1).toRXingResultPoint(); let cy: i32 = (self.image.getHeight() / 2).try_into().unwrap();
pointB = getFirstDifferent(new Point(cx + 7, cy + 7), false, 1, 1).toRXingResultPoint(); pointA = self
pointC = getFirstDifferent(new Point(cx - 7, cy + 7), false, -1, 1).toRXingResultPoint(); .getFirstDifferent(&Point::new(cx + 7, cy - 7), false, 1, -1)
pointD = getFirstDifferent(new Point(cx - 7, cy - 7), false, -1, -1).toRXingResultPoint(); .toRXingResultPoint();
pointB = self
.getFirstDifferent(&Point::new(cx + 7, cy + 7), false, 1, 1)
.toRXingResultPoint();
pointC = self
.getFirstDifferent(&Point::new(cx - 7, cy + 7), false, -1, 1)
.toRXingResultPoint();
pointD = self
.getFirstDifferent(&Point::new(cx - 7, cy - 7), false, -1, -1)
.toRXingResultPoint();
} }
// try {
// let cornerPoints = WhiteRectangleDetector::new(image).detect();
// pointA = cornerPoints[0];
// pointB = cornerPoints[1];
// pointC = cornerPoints[2];
// pointD = cornerPoints[3];
// } catch (NotFoundException e) {
// // This exception can be in case the initial rectangle is white
// // In that case, surely in the bull's eye, we try to expand the rectangle.
// int cx = image.getWidth() / 2;
// int cy = image.getHeight() / 2;
// pointA = getFirstDifferent(new Point(cx + 7, cy - 7), false, 1, -1).toRXingResultPoint();
// pointB = getFirstDifferent(new Point(cx + 7, cy + 7), false, 1, 1).toRXingResultPoint();
// pointC = getFirstDifferent(new Point(cx - 7, cy + 7), false, -1, 1).toRXingResultPoint();
// pointD = getFirstDifferent(new Point(cx - 7, cy - 7), false, -1, -1).toRXingResultPoint();
// }
//Compute the center of the rectangle //Compute the center of the rectangle
int cx = MathUtils.round((pointA.getX() + pointD.getX() + pointB.getX() + pointC.getX()) / 4.0f); let mut cx = MathUtils::round(
int cy = MathUtils.round((pointA.getY() + pointD.getY() + pointB.getY() + pointC.getY()) / 4.0f); (pointA.getX() + pointD.getX() + pointB.getX() + pointC.getX()) / 4.0f32,
);
let mut cy = MathUtils::round(
(pointA.getY() + pointD.getY() + pointB.getY() + pointC.getY()) / 4.0f32,
);
// Redetermine the white rectangle starting from previously computed center. // Redetermine the white rectangle starting from previously computed center.
// This will ensure that we end up with a white rectangle in center bull's eye // This will ensure that we end up with a white rectangle in center bull's eye
// in order to compute a more accurate center. // in order to compute a more accurate center.
try { let mut fnd = false;
RXingResultPoint[] cornerPoints = new WhiteRectangleDetector(image, 15, cx, cy).detect(); if let Ok(wrd) = WhiteRectangleDetector::new(&self.image, 15, cx, cy) {
if let Ok(cornerPoints) = wrd.detect() {
pointA = cornerPoints[0]; pointA = cornerPoints[0];
pointB = cornerPoints[1]; pointB = cornerPoints[1];
pointC = cornerPoints[2]; pointC = cornerPoints[2];
pointD = cornerPoints[3]; pointD = cornerPoints[3];
} catch (NotFoundException e) { fnd = true;
}
}
// This exception can be in case the initial rectangle is white // This exception can be in case the initial rectangle is white
// In that case we try to expand the rectangle. // In that case we try to expand the rectangle.
pointA = getFirstDifferent(new Point(cx + 7, cy - 7), false, 1, -1).toRXingResultPoint(); if !fnd {
pointB = getFirstDifferent(new Point(cx + 7, cy + 7), false, 1, 1).toRXingResultPoint(); pointA = self
pointC = getFirstDifferent(new Point(cx - 7, cy + 7), false, -1, 1).toRXingResultPoint(); .getFirstDifferent(&Point::new(cx + 7, cy - 7), false, 1, -1)
pointD = getFirstDifferent(new Point(cx - 7, cy - 7), false, -1, -1).toRXingResultPoint(); .toRXingResultPoint();
pointB = self
.getFirstDifferent(&Point::new(cx + 7, cy + 7), false, 1, 1)
.toRXingResultPoint();
pointC = self
.getFirstDifferent(&Point::new(cx - 7, cy + 7), false, -1, 1)
.toRXingResultPoint();
pointD = self
.getFirstDifferent(&Point::new(cx - 7, cy - 7), false, -1, -1)
.toRXingResultPoint();
} }
// try {
// RXingResultPoint[] cornerPoints = new WhiteRectangleDetector(image, 15, cx, cy).detect();
// pointA = cornerPoints[0];
// pointB = cornerPoints[1];
// pointC = cornerPoints[2];
// pointD = cornerPoints[3];
// } catch (NotFoundException e) {
// // This exception can be in case the initial rectangle is white
// // In that case we try to expand the rectangle.
// pointA = getFirstDifferent(new Point(cx + 7, cy - 7), false, 1, -1).toRXingResultPoint();
// pointB = getFirstDifferent(new Point(cx + 7, cy + 7), false, 1, 1).toRXingResultPoint();
// pointC = getFirstDifferent(new Point(cx - 7, cy + 7), false, -1, 1).toRXingResultPoint();
// pointD = getFirstDifferent(new Point(cx - 7, cy - 7), false, -1, -1).toRXingResultPoint();
// }
// Recompute the center of the rectangle // Recompute the center of the rectangle
cx = MathUtils.round((pointA.getX() + pointD.getX() + pointB.getX() + pointC.getX()) / 4.0f); cx = MathUtils::round(
cy = MathUtils.round((pointA.getY() + pointD.getY() + pointB.getY() + pointC.getY()) / 4.0f); (pointA.getX() + pointD.getX() + pointB.getX() + pointC.getX()) / 4.0f32,
);
cy = MathUtils::round(
(pointA.getY() + pointD.getY() + pointB.getY() + pointC.getY()) / 4.0f32,
);
return new Point(cx, cy); Point::new(cx, cy)
} }
/** /**
@@ -366,8 +474,12 @@ impl Detector {
* @param bullsEyeCorners the array of bull's eye corners * @param bullsEyeCorners the array of bull's eye corners
* @return the array of aztec code corners * @return the array of aztec code corners
*/ */
private RXingResultPoint[] getMatrixCornerPoints(RXingResultPoint[] bullsEyeCorners) { fn getMatrixCornerPoints(&self, bullsEyeCorners: &[RXingResultPoint]) -> Vec<RXingResultPoint> {
return expandSquare(bullsEyeCorners, 2 * nbCenterLayers, getDimension()); Self::expandSquare(
bullsEyeCorners,
2 * self.nbCenterLayers,
self.getDimension(),
)
} }
/** /**
@@ -375,29 +487,41 @@ impl Detector {
* topLeft, topRight, bottomRight, and bottomLeft are the centers of the squares on the * topLeft, topRight, bottomRight, and bottomLeft are the centers of the squares on the
* diagonal just outside the bull's eye. * diagonal just outside the bull's eye.
*/ */
private BitMatrix sampleGrid(BitMatrix image, fn sampleGrid(
RXingResultPoint topLeft, &self,
RXingResultPoint topRight, image: &BitMatrix,
RXingResultPoint bottomRight, topLeft: &RXingResultPoint,
RXingResultPoint bottomLeft) throws NotFoundException { topRight: &RXingResultPoint,
bottomRight: &RXingResultPoint,
bottomLeft: &RXingResultPoint,
) -> Result<BitMatrix, Exceptions> {
let sampler = DefaultGridSampler {};
let dimension = self.getDimension();
GridSampler sampler = GridSampler.getInstance(); let low = dimension as f32 / 2.0f32 - self.nbCenterLayers as f32;
int dimension = getDimension(); let high = dimension as f32 / 2.0f32 + self.nbCenterLayers as f32;
float low = dimension / 2.0f - nbCenterLayers; sampler.sample_grid_detailed(
float high = dimension / 2.0f + nbCenterLayers; image,
return sampler.sampleGrid(image,
dimension, dimension,
dimension, dimension,
low, low, // topleft low,
high, low, // topright low, // topleft
high, high, // bottomright high,
low, high, // bottomleft low, // topright
topLeft.getX(), topLeft.getY(), high,
topRight.getX(), topRight.getY(), high, // bottomright
bottomRight.getX(), bottomRight.getY(), low,
bottomLeft.getX(), bottomLeft.getY()); high, // bottomleft
topLeft.getX(),
topLeft.getY(),
topRight.getX(),
topRight.getY(),
bottomRight.getX(),
bottomRight.getY(),
bottomLeft.getX(),
bottomLeft.getY(),
)
} }
/** /**
@@ -408,17 +532,21 @@ impl Detector {
* @param size number of bits * @param size number of bits
* @return the array of bits as an int (first bit is high-order bit of result) * @return the array of bits as an int (first bit is high-order bit of result)
*/ */
private int sampleLine(RXingResultPoint p1, RXingResultPoint p2, int size) { fn sampleLine(&self, p1: &RXingResultPoint, p2: &RXingResultPoint, size: u32) -> u32 {
int result = 0; let mut result = 0;
float d = distance(p1, p2); let d = Self::distance(p1, p2);
float moduleSize = d / size; let moduleSize = d / size as f32;
float px = p1.getX(); let px = p1.getX();
float py = p1.getY(); let py = p1.getY();
float dx = moduleSize * (p2.getX() - p1.getX()) / d; let dx = moduleSize * (p2.getX() - p1.getX()) / d;
float dy = moduleSize * (p2.getY() - p1.getY()) / d; let dy = moduleSize * (p2.getY() - p1.getY()) / d;
for (int i = 0; i < size; i++) { for i in 0..size {
if (image.get(MathUtils.round(px + i * dx), MathUtils.round(py + i * dy))) { // for (int i = 0; i < size; i++) {
if self.image.get(
MathUtils::round(px + i as f32 * dx) as u32,
MathUtils::round(py + i as f32 * dy) as u32,
) {
result |= 1 << (size - i - 1); result |= 1 << (size - i - 1);
} }
} }
@@ -429,42 +557,50 @@ impl Detector {
* @return true if the border of the rectangle passed in parameter is compound of white points only * @return true if the border of the rectangle passed in parameter is compound of white points only
* or black points only * or black points only
*/ */
private boolean isWhiteOrBlackRectangle(Point p1, fn isWhiteOrBlackRectangle(&self, p1: &Point, p2: &Point, p3: &Point, p4: &Point) -> bool {
Point p2, let corr = 3;
Point p3,
Point p4) {
int corr = 3; let p1 = Point::new(
0.max(p1.getX() - corr),
(self.image.getHeight() as i32 - 1).min(p1.getY() + corr),
);
// let p1 = Point::new(Math.max(0, p1.getX() - corr), Math.min(image.getHeight() - 1, p1.getY() + corr));
let p2 = Point::new(0.max(p2.getX() - corr), 0.max(p2.getY() - corr));
// let p2 = Point::new(Math.max(0, p2.getX() - corr), Math.max(0, p2.getY() - corr));
let p3 = Point::new(
(self.image.getWidth() as i32 - 1).min(p3.getX() + corr),
0.max((self.image.getHeight() as i32 - 1).min(p3.getY() - corr)),
);
// let p3 = Point::new(Math.min(image.getWidth() - 1, p3.getX() + corr),
// Math.max(0, Math.min(image.getHeight() - 1, p3.getY() - corr)));
let p4 = Point::new(
self.image.getWidth() as i32 - 1.min(p4.getX() + corr),
(self.image.getHeight() as i32 - 1).min(p4.getY() + corr),
);
// let p4 = Point::new(Math.min(image.getWidth() - 1, p4.getX() + corr),
// Math.min(image.getHeight() - 1, p4.getY() + corr));
p1 = new Point(Math.max(0, p1.getX() - corr), Math.min(image.getHeight() - 1, p1.getY() + corr)); let cInit = self.getColor(&p4, &p1);
p2 = new Point(Math.max(0, p2.getX() - corr), Math.max(0, p2.getY() - corr));
p3 = new Point(Math.min(image.getWidth() - 1, p3.getX() + corr),
Math.max(0, Math.min(image.getHeight() - 1, p3.getY() - corr)));
p4 = new Point(Math.min(image.getWidth() - 1, p4.getX() + corr),
Math.min(image.getHeight() - 1, p4.getY() + corr));
int cInit = getColor(p4, p1); if cInit == 0 {
if (cInit == 0) {
return false; return false;
} }
int c = getColor(p1, p2); let c = self.getColor(&p1, &p2);
if (c != cInit) { if c != cInit {
return false; return false;
} }
c = getColor(p2, p3); let c = self.getColor(&p2, &p3);
if (c != cInit) { if c != cInit {
return false; return false;
} }
c = getColor(p3, p4); let c = self.getColor(&p3, &p4);
return c == cInit; return c == cInit;
} }
/** /**
@@ -472,46 +608,51 @@ impl Detector {
* *
* @return 1 if segment more than 90% black, -1 if segment is more than 90% white, 0 else * @return 1 if segment more than 90% black, -1 if segment is more than 90% white, 0 else
*/ */
private int getColor(Point p1, Point p2) { fn getColor(&self, p1: &Point, p2: &Point) -> i32 {
float d = distance(p1, p2); let d = Self::distance_points(p1, p2);
if (d == 0.0f) { if d == 0.0f32 {
return 0; return 0;
} }
float dx = (p2.getX() - p1.getX()) / d; let dx = (p2.getX() - p1.getX()) as f32 / d;
float dy = (p2.getY() - p1.getY()) / d; let dy = (p2.getY() - p1.getY()) as f32 / d;
int error = 0; let mut error = 0;
float px = p1.getX(); let mut px = p1.getX();
float py = p1.getY(); let mut py = p1.getY();
boolean colorModel = image.get(p1.getX(), p1.getY()); let colorModel = self.image.get(p1.getX() as u32, p1.getY() as u32);
int iMax = (int) Math.floor(d); let iMax = d.floor() as u32; //(int) Math.floor(d);
for (int i = 0; i < iMax; i++) { for _i in 0..iMax {
if (image.get(MathUtils.round(px), MathUtils.round(py)) != colorModel) { // for (int i = 0; i < iMax; i++) {
error++; if self.image.get(px as u32, py as u32) != colorModel {
error += 1;
} }
px += dx; px += dx.floor() as i32;
py += dy; py += dy.floor() as i32;
} }
float errRatio = error / d; let errRatio = error as f32 / d;
if (errRatio > 0.1f && errRatio < 0.9f) { if errRatio > 0.1f32 && errRatio < 0.9f32 {
return 0; return 0;
} }
return (errRatio <= 0.1f) == colorModel ? 1 : -1; if (errRatio <= 0.1f32) == colorModel {
1
} else {
-1
}
} }
/** /**
* Gets the coordinate of the first point with a different color in the given direction * Gets the coordinate of the first point with a different color in the given direction
*/ */
private Point getFirstDifferent(Point init, boolean color, int dx, int dy) { fn getFirstDifferent(&self, init: &Point, color: bool, dx: i32, dy: i32) -> Point {
int x = init.getX() + dx; let mut x = init.getX() + dx;
int y = init.getY() + dy; let mut y = init.getY() + dy;
while (isValid(x, y) && image.get(x, y) == color) { while self.isValidPoints(x, y) && self.image.get(x as u32, y as u32) == color {
x += dx; x += dx;
y += dy; y += dy;
} }
@@ -519,17 +660,17 @@ impl Detector {
x -= dx; x -= dx;
y -= dy; y -= dy;
while (isValid(x, y) && image.get(x, y) == color) { while self.isValidPoints(x, y) && self.image.get(x as u32, y as u32) == color {
x += dx; x += dx;
} }
x -= dx; x -= dx;
while (isValid(x, y) && image.get(x, y) == color) { while self.isValidPoints(x, y) && self.image.get(x as u32, y as u32) == color {
y += dy; y += dy;
} }
y -= dy; y -= dy;
return new Point(x, y); Point::new(x, y)
} }
/** /**
@@ -540,75 +681,85 @@ impl Detector {
* @param newSide the new length of the size of the square in the target bit matrix * @param newSide the new length of the size of the square in the target bit matrix
* @return the corners of the expanded square * @return the corners of the expanded square
*/ */
private static RXingResultPoint[] expandSquare(RXingResultPoint[] cornerPoints, int oldSide, int newSide) { fn expandSquare(
float ratio = newSide / (2.0f * oldSide); cornerPoints: &[RXingResultPoint],
float dx = cornerPoints[0].getX() - cornerPoints[2].getX(); oldSide: u32,
float dy = cornerPoints[0].getY() - cornerPoints[2].getY(); newSide: u32,
float centerx = (cornerPoints[0].getX() + cornerPoints[2].getX()) / 2.0f; ) -> Vec<RXingResultPoint> {
float centery = (cornerPoints[0].getY() + cornerPoints[2].getY()) / 2.0f; let ratio = newSide as f32 / (2.0f32 * oldSide as f32);
let mut dx = cornerPoints[0].getX() - cornerPoints[2].getX();
let mut dy = cornerPoints[0].getY() - cornerPoints[2].getY();
let mut centerx = (cornerPoints[0].getX() + cornerPoints[2].getX()) / 2.0f32;
let mut centery = (cornerPoints[0].getY() + cornerPoints[2].getY()) / 2.0f32;
RXingResultPoint result0 = new RXingResultPoint(centerx + ratio * dx, centery + ratio * dy); let result0 = RXingResultPoint::new(centerx + ratio * dx, centery + ratio * dy);
RXingResultPoint result2 = new RXingResultPoint(centerx - ratio * dx, centery - ratio * dy); let result2 = RXingResultPoint::new(centerx - ratio * dx, centery - ratio * dy);
dx = cornerPoints[1].getX() - cornerPoints[3].getX(); dx = cornerPoints[1].getX() - cornerPoints[3].getX();
dy = cornerPoints[1].getY() - cornerPoints[3].getY(); dy = cornerPoints[1].getY() - cornerPoints[3].getY();
centerx = (cornerPoints[1].getX() + cornerPoints[3].getX()) / 2.0f; centerx = (cornerPoints[1].getX() + cornerPoints[3].getX()) / 2.0f32;
centery = (cornerPoints[1].getY() + cornerPoints[3].getY()) / 2.0f; centery = (cornerPoints[1].getY() + cornerPoints[3].getY()) / 2.0f32;
RXingResultPoint result1 = new RXingResultPoint(centerx + ratio * dx, centery + ratio * dy); let result1 = RXingResultPoint::new(centerx + ratio * dx, centery + ratio * dy);
RXingResultPoint result3 = new RXingResultPoint(centerx - ratio * dx, centery - ratio * dy); let result3 = RXingResultPoint::new(centerx - ratio * dx, centery - ratio * dy);
return new RXingResultPoint[]{result0, result1, result2, result3}; vec![result0, result1, result2, result3]
} }
private boolean isValid(int x, int y) { fn isValidPoints(&self, x: i32, y: i32) -> bool {
return x >= 0 && x < image.getWidth() && y >= 0 && y < image.getHeight(); x >= 0
&& x < self.image.getWidth().try_into().unwrap()
&& y >= 0
&& y < self.image.getHeight().try_into().unwrap()
} }
private boolean isValid(RXingResultPoint point) { fn isValid(&self, point: &RXingResultPoint) -> bool {
int x = MathUtils.round(point.getX()); let x = MathUtils::round(point.getX());
int y = MathUtils.round(point.getY()); let y = MathUtils::round(point.getY());
return isValid(x, y); self.isValidPoints(x, y)
} }
private static float distance(Point a, Point b) { fn distance_points(a: &Point, b: &Point) -> f32 {
return MathUtils.distance(a.getX(), a.getY(), b.getX(), b.getY()); MathUtils::distance_int(a.getX(), a.getY(), b.getX(), b.getY())
} }
private static float distance(RXingResultPoint a, RXingResultPoint b) { fn distance(a: &RXingResultPoint, b: &RXingResultPoint) -> f32 {
return MathUtils.distance(a.getX(), a.getY(), b.getX(), b.getY()); MathUtils::distance_float(a.getX(), a.getY(), b.getX(), b.getY())
} }
private int getDimension() { fn getDimension(&self) -> u32 {
if (compact) { if self.compact {
return 4 * nbLayers + 11; return 4 * self.nbLayers + 11;
}
4 * self.nbLayers + 2 * ((2 * self.nbLayers + 6) / 15) + 15
} }
return 4 * nbLayers + 2 * ((2 * nbLayers + 6) / 15) + 15;
} }
static final class Point { #[derive(Debug, Copy, Clone, Eq, PartialEq)]
private final int x; struct Point {
private final int y; x: i32,
y: i32,
RXingResultPoint toRXingResultPoint() {
return new RXingResultPoint(x, y);
} }
Point(int x, int y) { impl Point {
this.x = x; pub fn toRXingResultPoint(&self) -> RXingResultPoint {
this.y = y; RXingResultPoint::new(self.x as f32, self.y as f32)
} }
int getX() { pub fn new(x: i32, y: i32) -> Self {
return x; Self { x, y }
} }
int getY() { pub fn getX(&self) -> i32 {
return y; self.x
} }
@Override pub fn getY(&self) -> i32 {
public String toString() { self.y
return "<" + x + ' ' + y + '>';
} }
} }
impl fmt::Display for Point {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "<{} {}>", &self.x, &self.y)
}
} }

4
src/aztec/mod.rs
View File

@@ -1,10 +1,12 @@
mod AztecDetectorResult; mod AztecDetectorResult;
pub mod decoder; pub mod decoder;
// pub mod detector; pub mod detector;
#[cfg(test)] #[cfg(test)]
mod DecoderTest; mod DecoderTest;
// #[cfg(test)] // #[cfg(test)]
// mod EncoderTest; // mod EncoderTest;
#[cfg(test)]
mod DetectorTest;
mod shared_test_methods; mod shared_test_methods;

2
src/lib.rs
View File

@@ -823,7 +823,7 @@ use crate::common::detector::MathUtils;
* *
* @author Sean Owen * @author Sean Owen
*/ */
#[derive(Debug, Clone)] #[derive(Debug, Clone, Copy)]
pub struct RXingResultPoint { pub struct RXingResultPoint {
x: f32, x: f32,
y: f32, y: f32,