feat: début environnement graphique, dessin fonctionnel, sauvegarde et chargement temporaire possible

graphical-app/pom.xml

@@ -36,7 +36,13 @@
       <artifactId>junit-jupiter-engine</artifactId>
       <version>${junit.version}</version>
       <scope>test</scope>
-    </dependency>  </dependencies>
+    </dependency>
+    <dependency>
+      <groupId>org.controlsfx</groupId>
+      <artifactId>controlsfx</artifactId>
+      <version>11.2.1</version>
+    </dependency>
+  </dependencies>
 
   <build>
     <plugins>

graphical-app/src/main/java/fr/emiko/graphicalapp/HelloApplication.java

@@ -12,7 +12,7 @@ public class HelloApplication extends Application {
     public void start(Stage stage) throws IOException {
         FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
         Scene scene = new Scene(fxmlLoader.load(), 320, 240);
-        stage.setTitle("Hello!");
+        stage.setTitle("PixelWriter");
         stage.setScene(scene);
         stage.show();
     }

graphical-app/src/main/java/fr/emiko/graphicalapp/HelloController.java

@@ -1,14 +1,100 @@
 package fr.emiko.graphicalapp;
 
+import javafx.application.Platform;
+import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.SnapshotParameters;
+import javafx.scene.canvas.Canvas;
 import javafx.scene.control.Label;
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.control.MenuItem;
+import javafx.scene.image.PixelReader;
+import javafx.scene.image.PixelWriter;
+import javafx.scene.image.WritableImage;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.paint.Color;
+import javafx.scene.paint.Paint;
+import fr.emiko.graphicsElement.Stroke;
 
-public class HelloController {
+import java.awt.*;
-    @FXML
+import java.net.URL;
-    private Label welcomeText;
+import java.util.ResourceBundle;
+import java.util.Vector;
 
-    @FXML
+public class HelloController implements Initializable {
-    protected void onHelloButtonClick() {
+    public Canvas drawingCanvas;
-        welcomeText.setText("Welcome to JavaFX Application!");
+    public MenuItem saveButton;
+    public MenuItem loadButton;
+    public MenuItem newCanvasButton;
+    private double posX = 0;
+    private double posY = 0;
+    private Vector<Stroke> strokes = new Vector<>();
+    private Vector<Stroke> lastSaved = new Vector<>();
+
+    @Override
+    public void initialize(URL url, ResourceBundle resourceBundle) {
+        drawingCanvas.setOnMouseDragged(this::printLine);
+        drawingCanvas.setOnMouseClicked(this::resetPos);
+        saveButton.setOnAction(this::onActionSave);
+        loadButton.setOnAction(this::onActionLoad);
+        newCanvasButton.setOnAction(this::onActionCreateCanvas);
     }
+
+    private void onActionCreateCanvas(ActionEvent actionEvent) {
+    }
+
+    private void onActionLoad(ActionEvent actionEvent) {
+//        drawingCanvas.getGraphicsContext2D().drawImage(lastSaved, 0, 0);
+        GraphicsContext gc = drawingCanvas.getGraphicsContext2D();
+        gc.clearRect(0, 0, drawingCanvas.getWidth(), drawingCanvas.getHeight());
+        for (Stroke stroke : lastSaved) {
+            stroke.draw(gc);
+        }
+        strokes = (Vector<Stroke>) lastSaved.clone();
+    }
+
+    private void onActionSave(ActionEvent actionEvent) {
+        GraphicsContext gc = drawingCanvas.getGraphicsContext2D();
+        lastSaved = (Vector<Stroke>) strokes.clone();
+        
+    }
+
+    private void resetPos(MouseEvent mouseEvent) {
+        posX = 0;
+        posY = 0;
+    }
+
+    private void printLine(MouseEvent mouseEvent) {
+        GraphicsContext gc = drawingCanvas.getGraphicsContext2D();
+//        gc.setFill(Color.BLACK);
+//        gc.setStroke(Color.BLACK);
+//        gc.beginPath();
+//        if (posX == 0 || posY == 0) {
+//            posX = mouseEvent.getX();
+//            posY = mouseEvent.getY();
+//        }
+//        gc.moveTo(posX, posY);
+//        gc.lineTo(mouseEvent.getX(), mouseEvent.getY());
+//        gc.closePath();
+//        gc.stroke();
+//        posX = mouseEvent.getX();
+//        posY = mouseEvent.getY();
+
+        if (posX == 0 || posY == 0) {
+            posX = mouseEvent.getX();
+            posY = mouseEvent.getY();
+        }
+
+        Stroke stroke = new Stroke(posX, posY, mouseEvent.getX(), mouseEvent.getY());
+        strokes.add(stroke);
+        stroke.draw(gc);
+
+        posX = mouseEvent.getX();
+        posY = mouseEvent.getY();
+
+        System.out.println(stroke);
+
+    }
+
 }

graphical-app/src/main/java/fr/emiko/graphicsElement/Stroke.java

@@ -0,0 +1,39 @@
+package fr.emiko.graphicsElement;
+
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.shape.Path;
+
+import java.awt.*;
+
+public class Stroke {
+    private final double fromX;
+    private final double fromY;
+    private final double toX;
+    private final double toY;
+
+    public Stroke (double fromX, double fromY, double toX, double toY) {
+        this.fromX = fromX;
+        this.fromY = fromY;
+        this.toX = toX;
+        this.toY = toY;
+    }
+
+    public void draw (GraphicsContext g) {
+//        g.setStroke(javafx.scene.paint.Color.BLACK);
+//        g.setLineWidth(1);
+//        g.beginPath();
+//        g.moveTo(fromX, fromY);
+//        g.lineTo(toX, toY);
+//        g.closePath();
+//        g.stroke();
+//        g.fill();
+
+        g.setFill(javafx.scene.paint.Color.BLACK);
+        g.fillOval(toX-5, toY-5, 10, 10);
+    }
+
+    @Override
+    public String toString () {
+        return "Stroke{fromX=%f, fromY=%f, toX=%f, toY=%f}".formatted(fromX, fromY, toX, toY);
+    }
+}

graphical-app/src/main/java/module-info.java

@@ -1,6 +1,8 @@
 module fr.emiko.graphicalapp {
     requires javafx.controls;
     requires javafx.fxml;
+    requires java.desktop;
+    requires org.controlsfx.controls;
 
 
     opens fr.emiko.graphicalapp to javafx.fxml;

graphical-app/src/main/resources/fr/emiko/graphicalapp/hello-view.fxml

@@ -1,16 +1,59 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.geometry.Insets?>
+<?import javafx.scene.canvas.Canvas?>
-<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.Menu?>
+<?import javafx.scene.control.MenuBar?>
+<?import javafx.scene.control.MenuItem?>
+<?import javafx.scene.control.ScrollPane?>
+<?import javafx.scene.control.SplitPane?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.RowConstraints?>
 <?import javafx.scene.layout.VBox?>
 
-<?import javafx.scene.control.Button?>
+<VBox alignment="CENTER" xmlns="http://javafx.com/javafx/23.0.1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="fr.emiko.graphicalapp.HelloController">
-<VBox alignment="CENTER" spacing="20.0" xmlns:fx="http://javafx.com/fxml"
+   <children>
-      fx:controller="fr.emiko.graphicalapp.HelloController">
+      <MenuBar VBox.vgrow="NEVER">
-  <padding>
+        <menus>
-    <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
+          <Menu mnemonicParsing="false" text="File">
-  </padding>
+            <items>
-
+              <MenuItem fx:id="newCanvasButton" mnemonicParsing="false" text="New canvas" />
-  <Label fx:id="welcomeText"/>
+            </items>
-  <Button text="Hello!" onAction="#onHelloButtonClick"/>
+          </Menu>
+          <Menu mnemonicParsing="false" text="Edit">
+            <items>
+              <MenuItem fx:id="saveButton" mnemonicParsing="false" text="Save" />
+                  <MenuItem fx:id="loadButton" mnemonicParsing="false" text="Load" />
+            </items>
+          </Menu>
+          <Menu mnemonicParsing="false" text="Help">
+            <items>
+              <MenuItem mnemonicParsing="false" text="About" />
+            </items>
+          </Menu>
+        </menus>
+      </MenuBar>
+      <SplitPane dividerPositions="0.11195652173913044" VBox.vgrow="ALWAYS">
+        <items>
+            <VBox prefHeight="200.0" prefWidth="100.0" />
+            <GridPane>
+              <columnConstraints>
+                <ColumnConstraints hgrow="ALWAYS" />
+                <ColumnConstraints hgrow="SOMETIMES" />
+              </columnConstraints>
+              <rowConstraints>
+                <RowConstraints vgrow="ALWAYS" />
+                <RowConstraints vgrow="SOMETIMES" />
+              </rowConstraints>
+               <children>
+                  <ScrollPane hbarPolicy="ALWAYS" style="-fx-background-color: #666666; -fx-background: #666666;" vbarPolicy="ALWAYS" GridPane.hgrow="ALWAYS" GridPane.vgrow="ALWAYS">
+                     <content>
+                        <Canvas fx:id="drawingCanvas" height="600.0" nodeOrientation="INHERIT" width="800.0" />
+                     </content>
+                  </ScrollPane>
+               </children>
+            </GridPane>
+        </items>
+      </SplitPane>
+   </children>
 </VBox>