add task3

task3/.gitignore

+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
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task3/.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

task3/.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/java/org/example/input_image.jpg" charset="windows-1251" />
+    <file url="file://$PROJECT_DIR$/src/main/java/org/example/input_image.jpg" charset="windows-1251" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file

task3/.idea/jpa-buddy.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JpaBuddyIdeaProjectConfig">
+    <option name="renamerInitialized" value="true" />
+  </component>
+</project>
\ No newline at end of file

task3/.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="jpab" />
+  </component>
+</project>
\ No newline at end of file

task3/pom.xml

+<?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>
+
+    <groupId>org.example</groupId>
+    <artifactId>untitled6</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>
\ No newline at end of file

task3/src/main/java/org/example/Main.java

+package org.example;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+
+public class Main {
+    private static BufferedImage inputImage;
+    private static BufferedImage outputImage;
+    private static JLabel imageLabel;
+    private static double hueModifier = 0.5;
+    private static double saturationModifier = 1.0;
+    private static double brightnessModifier = 1.0;
+
+    public static void main(String[] args) {
+        JFrame frame = new JFrame("RGB to HSV Converter");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(800, 600);
+
+        JPanel controlsPanel = new JPanel();
+        controlsPanel.setLayout(new FlowLayout());
+
+        JButton openButton = new JButton("Open Image");
+        openButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                JFileChooser fileChooser = new JFileChooser();
+                int result = fileChooser.showOpenDialog(frame);
+                if (result == JFileChooser.APPROVE_OPTION) {
+                    File selectedFile = fileChooser.getSelectedFile();
+                    try {
+                        inputImage = ImageIO.read(selectedFile);
+                        updateImage();
+                    } catch (IOException ex) {
+                        ex.printStackTrace();
+                    }
+                }
+            }
+        });
+
+        JLabel hueLabel = new JLabel("Hue:");
+        JSlider hueSlider = new JSlider(0, 100, 50);
+        hueSlider.addChangeListener(e -> {
+            hueModifier = hueSlider.getValue() / 100.0;
+            updateImage();
+        });
+
+        JLabel saturationLabel = new JLabel("Saturation:");
+        JSlider saturationSlider = new JSlider(0, 200, 100);
+        saturationSlider.addChangeListener(e -> {
+            saturationModifier = saturationSlider.getValue() / 100.0;
+            updateImage();
+        });
+
+        JLabel brightnessLabel = new JLabel("Brightness:");
+        JSlider brightnessSlider = new JSlider(0, 200, 100);
+        brightnessSlider.addChangeListener(e -> {
+            brightnessModifier = brightnessSlider.getValue() / 100.0;
+            updateImage();
+        });
+
+        controlsPanel.add(openButton);
+        controlsPanel.add(hueLabel);
+        controlsPanel.add(hueSlider);
+        controlsPanel.add(saturationLabel);
+        controlsPanel.add(saturationSlider);
+        controlsPanel.add(brightnessLabel);
+        controlsPanel.add(brightnessSlider);
+
+        imageLabel = new JLabel();
+        frame.add(controlsPanel, BorderLayout.NORTH);
+        frame.add(imageLabel, BorderLayout.CENTER);
+
+        frame.setVisible(true);
+    }
+
+    private static void updateImage() {
+        if (inputImage != null) {
+            outputImage = new BufferedImage(inputImage.getWidth(), inputImage.getHeight(), BufferedImage.TYPE_INT_RGB);
+            for (int y = 0; y < inputImage.getHeight(); y++) {
+                for (int x = 0; x < inputImage.getWidth(); x++) {
+                    int rgb = inputImage.getRGB(x, y);
+                    int newRGB = convertRGBtoHSV(rgb, hueModifier, saturationModifier, brightnessModifier);
+                    outputImage.setRGB(x, y, newRGB);
+                }
+            }
+            imageLabel.setIcon(new ImageIcon(outputImage));
+        }
+    }
+
+    private static int convertRGBtoHSV(int rgb, double hueModifier, double saturationModifier, double brightnessModifier) {
+        int red = (rgb >> 16) & 0xFF;
+        int green = (rgb >> 8) & 0xFF;
+        int blue = rgb & 0xFF;
+
+        double r = red / 255.0;
+        double g = green / 255.0;
+        double b = blue / 255.0;
+
+        double cmax = Math.max(Math.max(r, g), b);
+        double cmin = Math.min(Math.min(r, g), b);
+        double delta = cmax - cmin;
+
+        double hue = 0;
+        if (delta != 0) {
+            if (cmax == r) {
+                hue = 60 * (((g - b) / delta) % 6);
+            } else if (cmax == g) {
+                hue = 60 * (((b - r) / delta) + 2);
+            } else if (cmax == b) {
+                hue = 60 * (((r - g) / delta) + 4);
+            }
+        }
+
+        if (hue < 0) {
+            hue += 360;
+        }
+        double saturation = (cmax == 0) ? 0 : (delta / cmax);
+        double value = cmax;
+
+        hue = (hue + 360 * hueModifier) % 360;
+        saturation = Math.min(1.0, saturation * saturationModifier);
+        value = Math.min(1.0, value * brightnessModifier);
+
+        return Color.HSBtoRGB((float) (hue / 360), (float) saturation, (float) value);
+
+    }
+
+
+    public static int HSBtoRGB(float hue, float saturation, float value) {
+        int h = (int) (hue / 60) % 6;
+        float f = hue / 60 - h;
+        float p = value * (1 - saturation);
+        float q = value * (1 - f * saturation);
+        float t = value * (1 - (1 - f) * saturation);
+
+        float red, green, blue;
+
+        switch (h) {
+            case 0:
+                red = value;
+                green = t;
+                blue = p;
+                break;
+            case 1:
+                red = q;
+                green = value;
+                blue = p;
+                break;
+            case 2:
+                red = p;
+                green = value;
+                blue = t;
+                break;
+            case 3:
+                red = p;
+                green = q;
+                blue = value;
+                break;
+            case 4:
+                red = t;
+                green = p;
+                blue = value;
+                break;
+            default:
+                red = value;
+                green = p;
+                blue = q;
+                break;
+        }
+
+        int r = Math.min(255, Math.max(0, Math.round(red * 255)));
+        int g = Math.min(255, Math.max(0, Math.round(green * 255)));
+        int b = Math.min(255, Math.max(0, Math.round(blue * 255)));
+
+        return (r << 16) | (g << 8) | b;
+    }
+}