diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aebe684
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/target/
+.classpath
+.project
+.settings/
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..1e71984
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+		http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.scijava</groupId>
+		<artifactId>pom-scijava</artifactId>
+		<version>14.0.0</version>
+		<relativePath />
+	</parent>
+
+	<groupId>fr.univ-tours.pccv</groupId>
+	<artifactId>Barcode_Codec</artifactId>
+	<version>0.4.0-SNAPSHOT</version>
+
+	<name>Barcode Codec</name>
+	<description>ImageJ Plugin to Encode/Decode 1D/2D Barcodes</description>
+	<url>http://pccv.univ-tours.fr/ImageJ/Barcode_Codec/</url>
+	<inceptionYear>2017</inceptionYear>
+	<organization>
+		<name>Université François-Rabelais</name>
+		<url>http://pccv.univ-tours.fr/</url>
+	</organization>
+	<licenses>
+		<license>
+			<name>GNU General Public License (GPL) version 3.0</name>
+			<distribution>repo</distribution>
+		</license>
+	</licenses>
+
+	<developers>
+		<developer>
+			<id>PCCV</id>
+			<name>GANNIER François / PASQUALIN Côme</name>
+			<roles>
+				<role>lead</role>
+				<role>developer</role>
+				<role>debugger</role>
+				<role>reviewer</role>
+				<role>support</role>
+				<role>maintainer</role>
+			</roles>
+		</developer>
+	</developers>
+	<contributors>
+		<contributor>
+			<name>None</name>
+		</contributor>
+	</contributors>
+
+	<mailingLists>
+		<mailingList>
+			<name>ImageJ Forum</name>
+			<archive>http://forum.imagej.net/</archive>
+		</mailingList>
+	</mailingLists>
+
+	<scm>
+		<connection>scm:git:git://github.com/PCCV/Barcode_Codec</connection>
+		<developerConnection>scm:git:git@github.com:PCCV/Barcode_Codec</developerConnection>
+		<tag>HEAD</tag>
+		<url>https://github.com/PCCV/Barcode_Codec</url>
+	</scm>
+	<issueManagement>
+		<system>GitHub Issues</system>
+		<url>https://github.com/PCCV/Barcode_Codec/issues</url>
+	</issueManagement>
+	<ciManagement>
+		<system>None</system>
+	</ciManagement>
+
+	<properties>
+		<package-name>fr.univ-tours.pccv</package-name>
+		<main-class>Barcode_Codec</main-class>
+		<license.licenseName>gpl_v3</license.licenseName>
+		<license.copyrightOwners>Université François-Rabelais</license.copyrightOwners>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>net.imagej</groupId>
+			<artifactId>ij</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.google.zxing</groupId>
+			<artifactId>core</artifactId>
+			<version>3.2.1</version>
+		</dependency>
+		<dependency>
+			<groupId>com.google.zxing</groupId>
+			<artifactId>javase</artifactId>
+			<version>3.2.1</version>
+		</dependency>
+	</dependencies>
+</project>
diff --git a/Barcode_Codec.java b/src/main/java/Barcode_Codec.java
similarity index 96%
rename from Barcode_Codec.java
rename to src/main/java/Barcode_Codec.java
index ad5bd93..3e79c09 100644
--- a/Barcode_Codec.java
+++ b/src/main/java/Barcode_Codec.java
@@ -1,259 +1,259 @@
-/*//////////////////////////////////////////////////////////////////
-//  This file is part of Barcode_Codec plugin for ImageJ.
-//
-//  Barcode_Codec is free software: you can redistribute it and/or modify
-//  it under the terms of the GNU General Public License as published by
-//  the Free Software Foundation, either version 3 of the License, or
-//  (at your option) any later version.
-//
-//  Barcode_Codec is distributed in the hope that it will be useful,
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//  GNU General Public License for more details.
-//
-//  You should have received a copy of the GNU General Public License
-//  along with Barcode_Codec.  If not, see <http://www.gnu.org/licenses/>.
-//
-// Copyright 2017 Francois GANNIER, Come PASQUALIN
-/////////////////////////////////////////////////////////////////*/
-
-import com.google.zxing.*;
-import com.google.zxing.datamatrix.encoder.SymbolShapeHint;
-import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
-import com.google.zxing.common.HybridBinarizer;
-import com.google.zxing.common.BitMatrix;
-// import com.google.zxing.maxicode.MaxiCodeReader;
-
-import ij.*;
-import ij.gui.*;		// genericDialog, Roi
-import ij.plugin.*; 
-import ij.plugin.frame.*; 
-import ij.process.ImageProcessor;
-import ij.text.TextWindow;
-
-import java.awt.*;
-import java.awt.image.BufferedImage;
-
-import java.util.EnumMap;
-import java.util.Map; 
-
-// ver 0.1 : initial release
-// ver 0.2 : show detected barcode 
-// ver 0.3 : add decoding on selection
-
-// @SuppressWarnings("all")
-@SuppressWarnings("deprecation")
-
-public class Barcode_Codec implements PlugIn  {
-	static final boolean debug = false; //true; //false;
-	String sVer="1D/2D barcode Codec ver. 0.3";
-	String sCop="Copyright \u00A9 2017 F.GANNIER - C.PASQUALIN";
-
-	String getEncoder(String test) {
-		String dfltChoice = "";
-		int nChoice = 11;
-		String[] choice0 = new String[nChoice];
-		int n = 0;
-		choice0[n++] = "AZTEC";
-		choice0[n++] = "CODABAR";
-		choice0[n++] = "CODE_39";
-			// choice0[n++] = "CODE_93";
-		choice0[n++] = "CODE_128";
-		choice0[n++] = "DATA_MATRIX";
-		choice0[n++] = "EAN_8";
-		choice0[n++] = "EAN_13";
-		choice0[n++] = "ITF"; // error
-			// choice0[n++] = "MAXICODE";
-		choice0[n++] = "PDF_417";
-		choice0[n++] = "QR_CODE";
-			// choice0[n++] = "RSS_14";
-			// choice0[n++] = "RSS_EXPANDED";
-		choice0[n++] = "UPC_A";
-			// choice0[n++] = "UPC_E";
-			// choice0[n++] = "UPC_EAN_EXTENSION";
-		
-		if (test != "")
-			for (int i=0; i<nChoice; i++)
-				if (test.equalsIgnoreCase(choice0[i]))
-					return choice0[i];
-		else IJ.log("Error : " + test +" is a bad option");
-		dfltChoice = Prefs.get("Barcode.Encoder","QR_CODE");
-		GenericDialog gd = new GenericDialog(sVer);
-		gd.addChoice("BarCode Format", choice0, dfltChoice); // save last used format
-		gd.addMessage(sCop);
-		gd.showDialog(); 		// The macro terminates if the user clicks "Cancel"
-		if (gd.wasCanceled())
-			return null;
-		dfltChoice = gd.getNextChoice();
-		Prefs.set("Barcode.Encoder",dfltChoice);
-
-		return dfltChoice;
-	}
-	
-	void encode(String Format, String text2encode) {
-		BitMatrix result;
-		Writer writer = new MultiFormatWriter();
-		int width = 256, height = 256;
-		if (Format == "EAN_8" ||Format == "EAN_13" || Format == "CODABAR" || Format == "ITF")
-				height = 128;
-		Map<EncodeHintType, Object> hints = null;
-		hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
-		hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
-			// hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.Q);
-			// hints.put(EncodeHintType.MIN_SIZE, new com.google.zxing.Dimension(height, width));
-		// if (Format="DATA_MATRIX")
-			hints.put(EncodeHintType.DATA_MATRIX_SHAPE, SymbolShapeHint.FORCE_SQUARE);
-		
-		try {
-			result = writer.encode(
-				text2encode,
-				BarcodeFormat.valueOf(Format),
-				width,
-				height,
-				hints
-			);
-		} 
-		catch (IllegalArgumentException iae) { 
-			// Unsupported format
-			IJ.log("Error : " + iae.getMessage());
-			return;
-		} /* */
-		catch (WriterException iae) {
-			IJ.log("Error : " + iae.getMessage());
-			return;
-		}
-		
-		// if (Format="DATA_MATRIX") {
-		String stCM = "8-bit Black";
-		int pixelsize = 0;
-		if (debug) IJ.log("Original size : "+result.getWidth());
-		if ( width != result.getWidth())
-			pixelsize = 3; //width/result.getWidth();
-			
-		width = result.getWidth();
-		height = result.getHeight();
-		ImagePlus imp = IJ.createImage(
-			"Encoded Image", 
-			stCM, 
-			width,
-			height, 
-			1
-		);
-		
-		ImageProcessor ip = imp.getProcessor();
-		byte[] pix8 = (byte[]) ip.getPixels();
-		for (int y = 0; y < result.getHeight(); y++) {
-			int offset = y * result.getWidth();
-			for (int x = 0; x < result.getWidth(); x++) {
-				pix8[offset + x] = (byte) (result.get(x, y) ? 0 : 255);
-			}
-		}
-		if (pixelsize > 0) {
-			if (debug) IJ.log("Scaling...");
-			if (debug) IJ.log("Resize : " + pixelsize);
-			
-			int wOld = width*pixelsize;
-			int hOld = height*pixelsize;
-			ip = ip.resize(wOld, hOld, false);
-
-			int wNew = width*pixelsize+16;
-			int hNew = height*pixelsize+16;
-			int xOff = (wNew - wOld)/2;
-			int yOff = (hNew - hOld)/2;
-			ImageProcessor ipNew = ip.createProcessor(wNew, hNew);
-			ipNew.setColor(new Color(255,255,255));
-			ipNew.fill();
-			ipNew.insert(ip, xOff, yOff);
-			
-			new ImagePlus("Encoded Image", ipNew).show();
-			
-		} else 
-			imp.show();
-	}
-	
-	void decode(ImageProcessor ip) {
-		Reader reader = new MultiFormatReader(); 
-		// search for selection
-		Rectangle r = ip.getRoi(); //r = null;
-		if (debug) IJ.log("Selection : " +r.getWidth() +","+ r.getHeight()+" - "+ r.getX()+" - "+ r.getY());
-		
-		BufferedImage myimg = ip.crop().getBufferedImage();
-		LuminanceSource source = new BufferedImageLuminanceSource(myimg);
-		BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
-		String resultText = null;
-		BarcodeFormat bf = null;
-		
-		Map<DecodeHintType, Object> hints = null;
-		hints = new EnumMap<DecodeHintType, Object>(DecodeHintType.class);
-		hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
-		// hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
-		try
-		{
-			Result result = reader.decode(bitmap, hints);
-			resultText = result.getText();
-			bf = result.getBarcodeFormat();
-		}
-			catch(NotFoundException e) { IJ.log("Error : No corresponding encoder found (" + e.getMessage()+")"); }
-			catch(ChecksumException e) { IJ.log("Error : checksum error (" + e.getMessage()+")"); }
-			catch(FormatException e)   { IJ.log("Error : Format error (" + e.getMessage()+")"); }
-/*		
-		//MAXICODE
-		if (resultText==null)
-		{
-			if (debug) IJ.log("try MaxiCode reader!");
-			reader = new MaxiCodeReader();
-			try
-			{
-				// hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
-				Result result = reader.decode(bitmap, hints);
-				resultText = result.getText();
-			}
-			catch(NotFoundException e) { IJ.log("Error : No corresponding encoder found (" + e.getMessage()+")"); }
-			catch(ChecksumException e) { IJ.log("Error : MAXICODE checksum error (" + e.getMessage()+")"); }
-			catch(FormatException e)   { IJ.log("Error : MAXICODE Format error (" + e.getMessage()+")"); }
-		} /**/
-		if (resultText!=null) {
-			IJ.log(bf.toString()+" detected");
-			new TextWindow("Decoded Text", resultText,300,450);
-		}
-		return;
-	}
-
-	public void run(String arg)	{
-		TextWindow win = null;
-		Editor winE = null;
-		String text2encode = "";
-		try {
-			win = (TextWindow) WindowManager.getActiveWindow();
-		} 
-		catch(ClassCastException ce) { }
-
-		if (win == null) {
-			try {
-				winE = (Editor) WindowManager.getActiveWindow();
-			} 
-			catch(ClassCastException ce) { }
-		} else text2encode = win.getTextPanel().getText();
-		
-		if (winE != null) text2encode = winE.getText();
-		if (winE != null || win!= null) {
-			if (text2encode == "")
-				return;
-			if (debug) IJ.log(text2encode);
-			String Encoder = getEncoder(arg);
-				
-			if (debug) IJ.log(Encoder);
-			if (Encoder == null)
-				return;
-			encode(Encoder, text2encode);
-		} else {
-			ImagePlus img = WindowManager.getCurrentImage();
-			if (img == null) {
-				IJ.noImage(); return;
-			}
-			decode(img.getProcessor());
-		}
-		if (debug) IJ.log("Done");
-	}
-	
-}
+/*//////////////////////////////////////////////////////////////////
+//  This file is part of Barcode_Codec plugin for ImageJ.
+//
+//  Barcode_Codec is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  Barcode_Codec is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with Barcode_Codec.  If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright 2017 Francois GANNIER, Come PASQUALIN
+/////////////////////////////////////////////////////////////////*/
+
+import com.google.zxing.*;
+import com.google.zxing.datamatrix.encoder.SymbolShapeHint;
+import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
+import com.google.zxing.common.HybridBinarizer;
+import com.google.zxing.common.BitMatrix;
+// import com.google.zxing.maxicode.MaxiCodeReader;
+
+import ij.*;
+import ij.gui.*;		// genericDialog, Roi
+import ij.plugin.*; 
+import ij.plugin.frame.*; 
+import ij.process.ImageProcessor;
+import ij.text.TextWindow;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+import java.util.EnumMap;
+import java.util.Map; 
+
+// ver 0.1 : initial release
+// ver 0.2 : show detected barcode 
+// ver 0.3 : add decoding on selection
+
+// @SuppressWarnings("all")
+@SuppressWarnings("deprecation")
+
+public class Barcode_Codec implements PlugIn  {
+	static final boolean debug = false; //true; //false;
+	String sVer="1D/2D barcode Codec ver. 0.3";
+	String sCop="Copyright \u00A9 2017 F.GANNIER - C.PASQUALIN";
+
+	String getEncoder(String test) {
+		String dfltChoice = "";
+		int nChoice = 11;
+		String[] choice0 = new String[nChoice];
+		int n = 0;
+		choice0[n++] = "AZTEC";
+		choice0[n++] = "CODABAR";
+		choice0[n++] = "CODE_39";
+			// choice0[n++] = "CODE_93";
+		choice0[n++] = "CODE_128";
+		choice0[n++] = "DATA_MATRIX";
+		choice0[n++] = "EAN_8";
+		choice0[n++] = "EAN_13";
+		choice0[n++] = "ITF"; // error
+			// choice0[n++] = "MAXICODE";
+		choice0[n++] = "PDF_417";
+		choice0[n++] = "QR_CODE";
+			// choice0[n++] = "RSS_14";
+			// choice0[n++] = "RSS_EXPANDED";
+		choice0[n++] = "UPC_A";
+			// choice0[n++] = "UPC_E";
+			// choice0[n++] = "UPC_EAN_EXTENSION";
+		
+		if (test != "")
+			for (int i=0; i<nChoice; i++)
+				if (test.equalsIgnoreCase(choice0[i]))
+					return choice0[i];
+		else IJ.log("Error : " + test +" is a bad option");
+		dfltChoice = Prefs.get("Barcode.Encoder","QR_CODE");
+		GenericDialog gd = new GenericDialog(sVer);
+		gd.addChoice("BarCode Format", choice0, dfltChoice); // save last used format
+		gd.addMessage(sCop);
+		gd.showDialog(); 		// The macro terminates if the user clicks "Cancel"
+		if (gd.wasCanceled())
+			return null;
+		dfltChoice = gd.getNextChoice();
+		Prefs.set("Barcode.Encoder",dfltChoice);
+
+		return dfltChoice;
+	}
+	
+	void encode(String Format, String text2encode) {
+		BitMatrix result;
+		Writer writer = new MultiFormatWriter();
+		int width = 256, height = 256;
+		if (Format == "EAN_8" ||Format == "EAN_13" || Format == "CODABAR" || Format == "ITF")
+				height = 128;
+		Map<EncodeHintType, Object> hints = null;
+		hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
+		hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+			// hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.Q);
+			// hints.put(EncodeHintType.MIN_SIZE, new com.google.zxing.Dimension(height, width));
+		// if (Format="DATA_MATRIX")
+			hints.put(EncodeHintType.DATA_MATRIX_SHAPE, SymbolShapeHint.FORCE_SQUARE);
+		
+		try {
+			result = writer.encode(
+				text2encode,
+				BarcodeFormat.valueOf(Format),
+				width,
+				height,
+				hints
+			);
+		} 
+		catch (IllegalArgumentException iae) { 
+			// Unsupported format
+			IJ.log("Error : " + iae.getMessage());
+			return;
+		} /* */
+		catch (WriterException iae) {
+			IJ.log("Error : " + iae.getMessage());
+			return;
+		}
+		
+		// if (Format="DATA_MATRIX") {
+		String stCM = "8-bit Black";
+		int pixelsize = 0;
+		if (debug) IJ.log("Original size : "+result.getWidth());
+		if ( width != result.getWidth())
+			pixelsize = 3; //width/result.getWidth();
+			
+		width = result.getWidth();
+		height = result.getHeight();
+		ImagePlus imp = IJ.createImage(
+			"Encoded Image", 
+			stCM, 
+			width,
+			height, 
+			1
+		);
+		
+		ImageProcessor ip = imp.getProcessor();
+		byte[] pix8 = (byte[]) ip.getPixels();
+		for (int y = 0; y < result.getHeight(); y++) {
+			int offset = y * result.getWidth();
+			for (int x = 0; x < result.getWidth(); x++) {
+				pix8[offset + x] = (byte) (result.get(x, y) ? 0 : 255);
+			}
+		}
+		if (pixelsize > 0) {
+			if (debug) IJ.log("Scaling...");
+			if (debug) IJ.log("Resize : " + pixelsize);
+			
+			int wOld = width*pixelsize;
+			int hOld = height*pixelsize;
+			ip = ip.resize(wOld, hOld, false);
+
+			int wNew = width*pixelsize+16;
+			int hNew = height*pixelsize+16;
+			int xOff = (wNew - wOld)/2;
+			int yOff = (hNew - hOld)/2;
+			ImageProcessor ipNew = ip.createProcessor(wNew, hNew);
+			ipNew.setColor(new Color(255,255,255));
+			ipNew.fill();
+			ipNew.insert(ip, xOff, yOff);
+			
+			new ImagePlus("Encoded Image", ipNew).show();
+			
+		} else 
+			imp.show();
+	}
+	
+	void decode(ImageProcessor ip) {
+		Reader reader = new MultiFormatReader(); 
+		// search for selection
+		Rectangle r = ip.getRoi(); //r = null;
+		if (debug) IJ.log("Selection : " +r.getWidth() +","+ r.getHeight()+" - "+ r.getX()+" - "+ r.getY());
+		
+		BufferedImage myimg = ip.crop().getBufferedImage();
+		LuminanceSource source = new BufferedImageLuminanceSource(myimg);
+		BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
+		String resultText = null;
+		BarcodeFormat bf = null;
+		
+		Map<DecodeHintType, Object> hints = null;
+		hints = new EnumMap<DecodeHintType, Object>(DecodeHintType.class);
+		hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
+		// hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
+		try
+		{
+			Result result = reader.decode(bitmap, hints);
+			resultText = result.getText();
+			bf = result.getBarcodeFormat();
+		}
+			catch(NotFoundException e) { IJ.log("Error : No corresponding encoder found (" + e.getMessage()+")"); }
+			catch(ChecksumException e) { IJ.log("Error : checksum error (" + e.getMessage()+")"); }
+			catch(FormatException e)   { IJ.log("Error : Format error (" + e.getMessage()+")"); }
+/*		
+		//MAXICODE
+		if (resultText==null)
+		{
+			if (debug) IJ.log("try MaxiCode reader!");
+			reader = new MaxiCodeReader();
+			try
+			{
+				// hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
+				Result result = reader.decode(bitmap, hints);
+				resultText = result.getText();
+			}
+			catch(NotFoundException e) { IJ.log("Error : No corresponding encoder found (" + e.getMessage()+")"); }
+			catch(ChecksumException e) { IJ.log("Error : MAXICODE checksum error (" + e.getMessage()+")"); }
+			catch(FormatException e)   { IJ.log("Error : MAXICODE Format error (" + e.getMessage()+")"); }
+		} /**/
+		if (resultText!=null) {
+			IJ.log(bf.toString()+" detected");
+			new TextWindow("Decoded Text", resultText,300,450);
+		}
+		return;
+	}
+
+	public void run(String arg)	{
+		TextWindow win = null;
+		Editor winE = null;
+		String text2encode = "";
+		try {
+			win = (TextWindow) WindowManager.getActiveWindow();
+		} 
+		catch(ClassCastException ce) { }
+
+		if (win == null) {
+			try {
+				winE = (Editor) WindowManager.getActiveWindow();
+			} 
+			catch(ClassCastException ce) { }
+		} else text2encode = win.getTextPanel().getText();
+		
+		if (winE != null) text2encode = winE.getText();
+		if (winE != null || win!= null) {
+			if (text2encode == "")
+				return;
+			if (debug) IJ.log(text2encode);
+			String Encoder = getEncoder(arg);
+				
+			if (debug) IJ.log(Encoder);
+			if (Encoder == null)
+				return;
+			encode(Encoder, text2encode);
+		} else {
+			ImagePlus img = WindowManager.getCurrentImage();
+			if (img == null) {
+				IJ.noImage(); return;
+			}
+			decode(img.getProcessor());
+		}
+		if (debug) IJ.log("Done");
+	}
+	
+}