基于面向对象的简易电路图的绘制

import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.input.MouseButton; import javafx.scene.layout.VBox; import javafx.scene.layout.BorderPane; import javafx.stage.Stage; import javafx.scene.control.Button; import javafx.scene.shape.Line; import java.io.*; import javax.imageio.ImageIO; import javafx.embed.swing.SwingFXUtils; import javafx.scene.Node; public class Show extends Application{ BorderPane pane=new BorderPane(); public void start(Stage primaryStage){ menu(); Scene scene=new Scene(pane,1200,700); primaryStage.setTitle("简易电路图绘制软件"); primaryStage.setScene(scene); primaryStage.show(); } public void menu(){ VBox h=new VBox(20); ImageView A=new ImageView(new Image("image/A.jpg")); ImageView D=new ImageView(new Image("image/D.jpg")); ImageView K=new ImageView(new Image("image/K.jpg")); ImageView V=new ImageView(new Image("image/V.jpg")); ImageView Y=new ImageView(new Image("image/Y.jpg")); ImageView Z=new ImageView(new Image("image/Z.jpg")); ImageView hb = new ImageView(new Image("image/hb.png")); Button b = new Button("直线"); Button bc = new Button("保存"); h.getChildren().addAll(A,D,K,V,Y,Z,b,bc); pane.setLeft(h); pane.setCenter(hb); bc.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ snapshot(pane); } }); b.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked7(); } }); A.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked1(); } }); D.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked2(); } }); K.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked3(); } }); V.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked4(); } }); Y.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked5(); } }); Z.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ mouseClicked6(); } }); b.setOnAction((e->{mouseClicked7();})); } public void mouseClicked1(){ pane.setOnMouseClicked(e->{ ImageView A=new ImageView(new Image("image/A.jpg")); if(e.getButton()==MouseButton.SECONDARY){ pane.getChildren().addAll(A); A.setX(e.getX()); A.setY(e.getY()); } }); } public void mouseClicked2(){ ImageView D=new ImageView(new Image("image/D.jpg")); pane.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.SECONDARY){ pane.getChildren().addAll(D); D.setX(e.getX()); D.setY(e.getY()); } }); } public void mouseClicked3(){ ImageView K=new ImageView(new Image("image/K.jpg")); pane.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.SECONDARY){ pane.getChildren().addAll(K); K.setX(e.getX()); K.setY(e.getY()); } }); } public void mouseClicked4(){ ImageView V=new ImageView(new Image("image/V.jpg")); pane.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.SECONDARY){ pane.getChildren().addAll(V); V.setX(e.getX()); V.setY(e.getY()); } }); } public void mouseClicked5(){ ImageView Y=new ImageView(new Image("image/Y.jpg")); pane.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.SECONDARY){ pane.getChildren().addAll(Y); Y.setX(e.getX()); Y.setY(e.getY()); } }); } public void mouseClicked6(){ ImageView Z=new ImageView(new Image("image/Z.jpg")); pane.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.SECONDARY){ pane.getChildren().addAll(Z); Z.setX(e.getX()); Z.setY(e.getY()); } }); } public void mouseClicked7(){ pane.setOnMouseClicked(e->{ if(e.getButton()==MouseButton.PRIMARY){ double x1=e.getX(); double y1=e.getY(); pane.setOnMouseClicked(e2->{ if(e2.getButton()==MouseButton.SECONDARY){ double x2=e2.getX(); double y2=e2.getY(); Line line=new Line(x1,y1,x2,y2); pane.getChildren().add(line); } }); } }); } public void snapshot(Node view) { Image image = view.snapshot(null,null); try(FileOutputStream file=new FileOutputStream("图画.png")){ ImageIO.write(SwingFXUtils.fromFXImage(image, null), "png",file); } catch (IOException e) { e.printStackTrace(); } } //将节点获取为JavaFX中的Image，然后通过SwingFXUtils将JavaFX中的Image的像素读取并输出为Java中的Image，然后通过ImageIO导出。 public static void main(String[] args){ Application.launch(args); } }