Rrenkens · fact0rial · Dec 24, 2023
diff --git a/lab-03/pom.xml b/lab-03/pom.xml
@@ -0,0 +1,79 @@
+<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.example</groupId>
+  <artifactId>lab-03</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <name>lab-03</name>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+<junit.version>5.9.2</junit.version>  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.openjfx</groupId>
+      <artifactId>javafx-swing</artifactId>
+      <version>22-ea+16</version>
+    </dependency>
+    <dependency>
+      <groupId>org.openjfx</groupId>
+      <artifactId>javafx-controls</artifactId>
+      <version>21-ea+24</version>
+    </dependency>
+    <dependency>
+      <groupId>org.openjfx</groupId>
+      <artifactId>javafx-fxml</artifactId>
+      <version>21-ea+24</version>
+    </dependency>
+
+<dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.11.0</version>
+        <configuration>
+          <source>21</source>
+          <target>21</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.openjfx</groupId>
+        <artifactId>javafx-maven-plugin</artifactId>
+        <version>0.0.8</version>
+        <executions>
+          <execution>
+            <!-- Default configuration for running with: mvn clean javafx:run -->
+            <id>default-cli</id>
+            <configuration>
+              <mainClass>com.example.lab03/by.fact0rial.paint.HelloApplication</mainClass>
+              <launcher>app</launcher>
+              <jlinkZipName>app</jlinkZipName>
+              <jlinkImageName>app</jlinkImageName>
+              <noManPages>true</noManPages>
+              <stripDebug>true</stripDebug>
+              <noHeaderFiles>true</noHeaderFiles>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/lab-03/src/main/java/by/fact0rial/paint/Main.java b/lab-03/src/main/java/by/fact0rial/paint/Main.java
@@ -0,0 +1,24 @@
+package by.fact0rial.paint;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+
+public class Main extends Application {
+    @Override
+    public void start(Stage stage) throws IOException {
+        FXMLLoader fxmlLoader = new FXMLLoader(Main.class.getResource("view.fxml"));
+        Scene scene = new Scene(fxmlLoader.load(), 1800, 1000);
+        stage.setTitle("Paint");
+        stage.setMaximized(true);
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+}
diff --git a/lab-03/src/main/java/by/fact0rial/paint/Mode.java b/lab-03/src/main/java/by/fact0rial/paint/Mode.java
@@ -0,0 +1,5 @@
+package by.fact0rial.paint;
+
+public enum Mode {
+    Line, Circle, Rectangle, Draw, FilledCircle, FilledRectangle
+}
diff --git a/lab-03/src/main/java/by/fact0rial/paint/MyController.java b/lab-03/src/main/java/by/fact0rial/paint/MyController.java
@@ -0,0 +1,150 @@
+package by.fact0rial.paint;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.Group;
+import javafx.scene.canvas.Canvas;
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.control.Button;
+import javafx.scene.control.ColorPicker;
+import javafx.scene.control.Label;
+import javafx.scene.control.Slider;
+import javafx.scene.image.Image;
+import javafx.scene.image.WritableImage;
+import javafx.scene.input.MouseDragEvent;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.layout.Pane;
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Line;
+import javafx.stage.FileChooser;
+import javafx.stage.Stage;
+import java.awt.image.BufferedImage;
+import javafx.embed.swing.SwingFXUtils;
+
+import javax.imageio.ImageIO;
+import java.io.File;
+import java.io.IOException;
+
+public class MyController {
+    @FXML
+    private Canvas canvas;
+    @FXML
+    private ColorPicker lineColor;
+    @FXML
+    private ColorPicker fillColor;
+    private GraphicsContext g = null;
+    @FXML
+    private Slider thickness;
+    Mode m = Mode.Draw;
+    double startX = 0;
+    double startY = 0;
+    public void initialize() {
+        g = canvas.getGraphicsContext2D();
+        lineColor.setValue(Color.BLACK);
+        fillColor.setValue(Color.AQUA);
+        canvas.setOnMousePressed(this::mousePress);
+        canvas.setOnMouseDragged(this::mouseDrag);
+        canvas.setOnMouseReleased(this::mouseDragExited);
+    }
+
+    public void onDrawButtonPress() {
+        m = Mode.Draw;
+    }
+    public void onCircleButtonPress() {
+        m = Mode.Circle;
+    }
+    public void onRectangleButtonPress() {
+        m = Mode.Rectangle;
+    }
+    public void onLineButtonPress() {
+        m = Mode.Line;
+    }
+    private void mousePress(MouseEvent e) {
+        g.setLineWidth(thickness.getValue());
+        g.setStroke(lineColor.getValue());
+        g.setFill(fillColor.getValue());
+        switch (m) {
+            case Draw -> {
+                g.beginPath();
+                g.moveTo(e.getX(), e.getY());
+                g.stroke();
+            }
+            case Circle, Rectangle, Line, FilledRectangle, FilledCircle -> {
+                startX = e.getX();
+                startY = e.getY();
+            }
+        }
+    }
+    private void mouseDrag(MouseEvent e) {
+        switch (m) {
+            case Draw -> {
+                g.lineTo(e.getX(), e.getY());
+                g.stroke();
+            }
+        }
+    }
+    private void mouseDragExited(MouseEvent e) {
+        double x1 = Math.min(startX, e.getX());
+        double x2 = Math.abs(startX - e.getX());
+        double y1 = Math.min(startY, e.getY());
+        double y2 = Math.abs(startY - e.getY());
+        switch (m) {
+            case Circle -> {
+                g.strokeOval(x1, y1, x2, y2);
+            }
+            case Rectangle -> {
+                g.strokeRect(x1, y1, x2, y2);
+            }
+            case FilledCircle -> {
+                g.fillOval(x1,y1,x2,y2);
+                g.strokeOval(x1, y1, x2, y2);
+            }
+            case FilledRectangle -> {
+                g.fillRect(x1, y1, x2, y2);
+                g.strokeRect(x1, y1, x2, y2);
+            }
+            case Line -> {
+                g.strokeLine(startX, startY, e.getX(), e.getY());
+            }
+        }
+    }
+
+    public void onFilledCircleButtonPress() {
+        m = Mode.FilledCircle;
+    }
+
+    public void onFilledRectangleButtonPress() {
+        m = Mode.FilledRectangle;
+    }
+
+    public void onSaveButtonPress(ActionEvent actionEvent) {
+        FileChooser chooser = new FileChooser();
+        Stage stage = (Stage)((Button)actionEvent.getSource()).getScene().getWindow();
+        File file = chooser.showSaveDialog(stage);
+        WritableImage im = new WritableImage((int)canvas.getWidth(), (int)canvas.getHeight());
+        canvas.snapshot(null, im);
+        BufferedImage buff = SwingFXUtils.fromFXImage(im, null);
+        try {
+            ImageIO.write(buff, "png", file);
+        } catch (IOException e) {
+            System.out.println("Ошибка при сохранении рисунка: " + e.getMessage());
+        }
+    }
+
+    public void onOpenButtonPress(ActionEvent actionEvent) {
+        FileChooser chooser = new FileChooser();
+        chooser.getExtensionFilters().addAll(
+                new FileChooser.ExtensionFilter("PNG Files", "*.png"));
+        Stage stage = (Stage)((Button)actionEvent.getSource()).getScene().getWindow();
+        File file = chooser.showOpenDialog(stage);
+        BufferedImage buff = null;
+        try {
+            buff = ImageIO.read(file);
+        } catch (IOException e) {
+            System.out.println("Ошибка при открытии рисунка: " + e.getMessage());
+        }
+        Image im = SwingFXUtils.toFXImage(buff, null);
+        g.fillRect(0,0, canvas.getWidth(), canvas.getHeight());
+        g.drawImage(im, 0, 0);
+    }
+}
diff --git a/lab-03/src/main/java/module-info.java b/lab-03/src/main/java/module-info.java
@@ -0,0 +1,10 @@
+module com.example.lab03 {
+    requires javafx.controls;
+    requires javafx.fxml;
+    requires java.desktop;
+    requires javafx.swing;
+
+
+    opens by.fact0rial.paint to javafx.fxml;
+    exports by.fact0rial.paint;
+}
diff --git a/lab-03/src/main/resources/by/fact0rial/paint/view.fxml b/lab-03/src/main/resources/by/fact0rial/paint/view.fxml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.VBox?>
+
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.canvas.Canvas?>
+<?import javafx.scene.control.ColorPicker?>
+<?import javafx.scene.control.Slider?>
+<VBox alignment="TOP_CENTER" spacing="20.0" xmlns:fx="http://javafx.com/fxml"
+      fx:controller="by.fact0rial.paint.MyController">
+  <HBox alignment="BASELINE_LEFT" maxHeight="10">
+    <Button text="save" onAction="#onSaveButtonPress"/>
+    <Button text="open" onAction="#onOpenButtonPress"/>
+    <Button text="draw" onAction="#onDrawButtonPress"/>
+    <Button text="circle" onAction="#onCircleButtonPress"/>
+    <Button text="rectangle" onAction="#onRectangleButtonPress"/>
+    <Button text="line" onAction="#onLineButtonPress"/>
+    <Button text="filled circle" onAction="#onFilledCircleButtonPress"/>
+    <Button text="filled rectangle" onAction="#onFilledRectangleButtonPress"/>
+    <ColorPicker fx:id="lineColor"/>
+    <ColorPicker fx:id="fillColor"/>
+    <Slider fx:id="thickness" min="1" max="10"/>
+  </HBox>
+  <Canvas fx:id="canvas" height="900" width="1600"/>
+</VBox>