Merge branch 'main' into 'dev'

# Conflicts:
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/AffineTransform2D.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/Complex.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/JuliaTransform.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/Matrix2x2.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/Transform2D.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/Vector2D.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/chaos/ChaosCanvas.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/chaos/ChaosGame.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/chaos/ChaosGameDescription.java
#   src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/chaos/ChaosGameFileHandler.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/AffineTransform2DNegativeTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/AffineTransform2DPositiveTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/ComplexNegativeTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/ComplexPositiveTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/JuliaTransformPositiveTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/Matrix2x2NegativeTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/Matrix2x2PositiveTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/Vector2DNegativeTest.java
#   src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/Vector2DPositiveTest.java

src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/UserInterface.java

+package edu.ntnu.idatt2003.mappevurderingprog2.models;
+
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGame;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameDescription;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameFileHandler;
+import java.util.Scanner;
+
+public class UserInterface {
+  private ChaosGameDescription description;
+  private ChaosGame game;
+  private final ChaosGameFileHandler fileHandler = new ChaosGameFileHandler();
+  private final Scanner scanner = new Scanner(System.in);
+  public void start() {
+    System.out.println("CLI Application for Chaos Game");
+    while (true) {
+      System.out.println("\n1. Read description from file");
+      System.out.println("2. Write description to file");
+      System.out.println("3. Run a number of iterations");
+      System.out.println("4. Print ASCII fractal to console");
+      System.out.println("5. Exit");
+      System.out.print("Enter choice: ");
+      int choice = scanner.nextInt();
+      scanner.nextLine();
+
+      switch (choice) {
+        case 1:
+          readDescriptionFromFile();
+          break;
+        case 2:
+          writeDescriptionToFile();
+          break;
+        case 3:
+          runIterations();
+          break;
+        case 4:
+          printFractal();
+          break;
+        case 5:
+          System.out.println("Exiting...");
+          return;
+        default:
+          System.out.println("Invalid choice. Please try again.");
+      }
+    }
+  }
+
+  private void readDescriptionFromFile() {
+    System.out.print("Enter the name of the text file (e.g., JuliaTransformation.txt): ");
+    String fileName = scanner.nextLine();
+    String filePath = "src/main/resources/transformations/" + fileName;
+
+    try {
+      description = fileHandler.readTransformationsFromFile(filePath);
+      System.out.println("Description read successfully from: " + filePath);
+    } catch (Exception e) {
+      System.out.println("Error reading file: " + e.getMessage());
+    }
+  }
+
+  private void writeDescriptionToFile() {
+    if (description == null) {
+      System.out.println("No description to write. Please read a description first.");
+      return;
+    }
+    System.out.print("Enter the name of the text file to write to (e.g., JuliaTransformation.txt): ");
+    String fileName = scanner.nextLine();
+    String filePath = "src/main/resources/transformations/" + fileName;
+
+    try {
+      fileHandler.writeTransformationsToFile(description, filePath);
+      System.out.println("Description written successfully to: " + filePath);
+    } catch (Exception e) {
+      System.out.println("Error writing to file: " + e.getMessage());
+    }
+  }
+
+  private void runIterations() {
+    if (description == null) {
+      System.out.println("No description loaded. Please read a description first.");
+      return;
+    }
+    System.out.print("Enter the number of iterations to run: ");
+    int iterations = scanner.nextInt();
+    game = new ChaosGame(description, 50, 50);
+    game.runSteps(iterations);
+    System.out.println("Iterations completed.");
+  }
+
+  private void printFractal() {
+    if (game == null || game.getCanvas() == null) {
+      System.out.println("No game to print. Please run iterations first.");
+      return;
+    }
+    game.getCanvas().printCanvas();
+  }
+}
\ No newline at end of file

src/main/resources/transformations/BarnsleyFern.txt

+Affine2D
+0.0, 0.0
+1.0, 1.0
+0.000000, 0.000000, 0.000000, 0.160000, 0.0, 0.0
+0.850000, 0.040000, -0.040000, 0.850000, 0.0, 1.6
+0.200000, -0.260000, 0.230000, 0.220000, 0.0, 1.6
+-0.150000, 0.280000, 0.260000, 0.240000, 0.0, 0.44
\ No newline at end of file

src/main/resources/transformations/JuliaTransformation.txt

+Julia
+-1.6, -1.0
+1.6, 1.0
+-0.74543, 0.11301, -1

src/main/resources/transformations/SierpinskiTriangle.txt

+Affine2D
+0.0, 0.0
+1.0, 1.0
+0.500000, 0.000000, 0.000000, 0.500000, 0.0, 0.0
+0.500000, 0.000000, 0.000000, 0.500000, 0.5, 0.0
+0.500000, 0.000000, 0.000000, 0.500000, 0.25, 0.5

src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/JuliaTranformNegativeTest.java

+package edu.ntnu.idatt2003.mappevurderingprog2;
+
+import edu.ntnu.idatt2003.mappevurderingprog2.models.Complex;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.JuliaTransform;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.Vector2D;
+import org.junit.jupiter.api.Test;
+
+public class JuliaTranformNegativeTest {
+  @Test
+  public void juliaTransformConstructorNegativeTest() {
+    int i = 1;
+    try {
+      JuliaTransform juliaTransform = new JuliaTransform(null, i);
+    } catch (IllegalArgumentException e) {
+      System.out.println(e.getMessage());
+    }
+  }
+
+  @Test
+  public void getPointNegativeTest() {
+    Complex complex = new Complex(1, 1);
+    int i = 1;
+    JuliaTransform juliaTransform = new JuliaTransform(complex, i);
+    assert juliaTransform.getPoint().getRealPart() != 2;
+    assert juliaTransform.getPoint().getImaginaryPart() != 2;
+  }
+
+  @Test
+  public void getSignNegativeTest() {
+    Complex complex = new Complex(1, 1);
+    int i = 1;
+    JuliaTransform juliaTransform = new JuliaTransform(complex, i);
+    assert juliaTransform.getSign() != 2;
+  }
+
+  @Test
+  public void transformNegativeTest1() {
+    Complex juliaPoint = new Complex(0.5, -0.5);
+    int sign = 1;
+    JuliaTransform juliaTransform = new JuliaTransform(juliaPoint, sign);
+    try {
+      Vector2D result = juliaTransform.transform(null);
+    } catch (IllegalArgumentException e) {
+      System.out.println(e.getMessage());
+    }
+  }
+
+  @Test
+  public void transformNegativeTest2() {
+    Vector2D complexToTransform = new Vector2D(1, 1);
+    Complex juliaPoint = new Complex(0.5, -0.5);
+    int sign = 1;
+    JuliaTransform juliaTransform = new JuliaTransform(juliaPoint, sign);
+    try {
+      Vector2D result = juliaTransform.transform(complexToTransform);
+    } catch (IllegalArgumentException e) {
+      System.out.println(e.getMessage());
+    }
+  }
+}
\ No newline at end of file