[BAEL-3348] Moved code to algorithm-4

image-processing/README.md

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+## Image Processing
+
+This module contains articles about image processing.
+
+### Relevant Articles:
+- [Working with Images in Java](https://www.baeldung.com/java-images)

image-processing/pom.xml

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+<?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>
+    <artifactId>image-processing</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>image-processing</name>
+    
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>net.imagej</groupId>
+            <artifactId>ij</artifactId>
+            <version>${ij.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.openimaj</groupId>
+            <artifactId>core-image</artifactId>
+            <version>${core-image.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>com.twelvemonkeys.imageio</groupId>
+            <artifactId>imageio-core</artifactId>
+            <version>${imageio.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.twelvemonkeys.imageio</groupId>
+            <artifactId>imageio-bmp</artifactId>
+            <version>${imageio.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <core-image.version>1.3.5</core-image.version>
+        <ij.version>1.51h</ij.version>
+        <imageio.version>3.3.2</imageio.version>
+    </properties>
+
+</project>

image-processing/src/main/java/com/baeldung/imageprocessing/imagej/ImageJRectExample.java

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+package com.baeldung.imageprocessing.imagej;
+
+import ij.IJ;
+import ij.ImagePlus;
+import ij.process.ImageProcessor;
+
+import java.awt.*;
+
+public class ImageJRectExample {
+    public static void main(String[] args) {
+        ImagePlus imp = IJ.openImage(ImageJRectExample.class.getClassLoader().getResource("lena.jpg").getPath());
+        drawRect(imp);
+        imp.show();
+    }
+
+    private static void drawRect(ImagePlus imp) {
+        ImageProcessor ip = imp.getProcessor();
+        ip.setColor(Color.BLUE);
+        ip.setLineWidth(4);
+        ip.drawRect(10, 10, imp.getWidth() - 20, imp.getHeight() - 20);
+    }
+}

image-processing/src/main/java/com/baeldung/imageprocessing/openimaj/OpenIMAJRectExample.java

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+package com.baeldung.imageprocessing.openimaj;
+
+import org.openimaj.image.DisplayUtilities;
+import org.openimaj.image.ImageUtilities;
+import org.openimaj.image.MBFImage;
+import org.openimaj.math.geometry.point.Point2d;
+import org.openimaj.math.geometry.point.Point2dImpl;
+import org.openimaj.math.geometry.shape.Polygon;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+public class OpenIMAJRectExample {
+    public static void main(String[] args) throws IOException {
+        MBFImage image = ImageUtilities.readMBF(OpenIMAJRectExample.class.getClassLoader().getResource("lena.jpg"));
+        drawRectangle(image);
+        DisplayUtilities.display(image);
+    }
+
+    private static void drawRectangle(MBFImage image) {
+        Point2d tl = new Point2dImpl(10, 10);
+        Point2d bl = new Point2dImpl(10, image.getHeight() - 10);
+        Point2d br = new Point2dImpl(image.getWidth() - 10, image.getHeight() - 10);
+        Point2d tr = new Point2dImpl(image.getWidth() - 10, 10);
+        Polygon polygon = new Polygon(Arrays.asList(tl, bl, br, tr));
+        image.drawPolygon(polygon, 4, new Float[] { 0f, 0f, 255.0f });
+    }
+}

image-processing/src/main/java/com/baeldung/imageprocessing/swing/SwingRectExample.java

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+package com.baeldung.imageprocessing.swing;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+public class SwingRectExample {
+    public static void main(String[] args) throws IOException {
+        BufferedImage image  = loadImage();
+        drawRectangle(image);
+        displayImage(image);
+    }
+
+    private static BufferedImage loadImage() throws IOException {
+        String imagePath = SwingRectExample.class.getClassLoader().getResource("lena.jpg").getPath();
+        return ImageIO.read(new File(imagePath));
+    }
+
+    private static void drawRectangle(BufferedImage image) {
+        Graphics2D g = (Graphics2D) image.getGraphics();
+        g.setStroke(new BasicStroke(3));
+        g.setColor(Color.BLUE);
+        g.drawRect(10, 10, image.getWidth() - 20, image.getHeight() - 20);
+    }
+
+    private static void displayImage(BufferedImage image) {
+        JLabel picLabel = new JLabel(new ImageIcon(image));
+
+        JPanel jPanel = new JPanel();
+        jPanel.add(picLabel);
+
+        JFrame f = new JFrame();
+        f.setSize(new Dimension(image.getWidth(), image.getHeight()));
+        f.add(jPanel);
+        f.setVisible(true);
+    }
+}

image-processing/src/main/java/com/baeldung/imageprocessing/twelvemonkeys/TwelveMonkeysExample.java

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+package com.baeldung.imageprocessing.twelvemonkeys;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+import javax.swing.ImageIcon;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+public class TwelveMonkeysExample {
+    public static void main(String[] args) throws IOException {
+        BufferedImage image  = loadImage();
+        drawRectangle(image);
+        displayImage(image);
+    }
+
+    private static BufferedImage loadImage() throws IOException {
+        String imagePath = TwelveMonkeysExample.class.getClassLoader().getResource("Penguin.ico").getPath();
+        return ImageIO.read(new File(imagePath));
+    }
+
+    private static void drawRectangle(BufferedImage image) {
+        Graphics2D g = (Graphics2D) image.getGraphics();
+        g.setStroke(new BasicStroke(3));
+        g.setColor(Color.BLUE);
+        g.drawRect(10, 10, image.getWidth() - 20, image.getHeight() - 20);
+    }
+
+    private static void displayImage(BufferedImage image) {
+        JLabel picLabel = new JLabel(new ImageIcon(image));
+
+        JPanel jPanel = new JPanel();
+        jPanel.add(picLabel);
+
+        JFrame f = new JFrame();
+        f.setSize(new Dimension(200, 200));
+        f.add(jPanel);
+        f.setVisible(true);
+    }
+}

image-processing/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>