问JavaFX -防止缩放画布上像素化缩放的模糊

EN

import javafx.application.Application;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.scene.Scene;
import javafx.scene.canvas.Canvas;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Paint;
import javafx.stage.Stage;

public class ScaleTest extends Application {
    
    private static final int width = 1200;
    private static final int height = 800;
    private static final int topMargin = 32;
    private StackPane stackPane;
    private IntegerProperty zoomLevel = new SimpleIntegerProperty(100);
    
    @Override
    public void start(Stage stage) {
        stage.setWidth(width);
        stage.setMinHeight(height);
        
        stackPane = new StackPane();
        stackPane.setLayoutY(topMargin);
        Canvas canvas = new Canvas(width, height - topMargin);
        
        Label label = new Label();
        label.setLayoutY(2);
        label.setLayoutX(2);
        label.setStyle("-fx-text-fill: #FFFFFF");
        label.textProperty().bind(zoomLevel.asString());
        Button zoomInBtn = new Button("Zoom In");
        zoomInBtn.setLayoutY(2);
        zoomInBtn.setLayoutX(50);
        zoomInBtn.onActionProperty().set((e) -> {
            if (zoomLevel.get() < 3200) {
                zoomLevel.set(zoomLevel.get() * 2);
                stackPane.setScaleX(zoomLevel.get() / 100.0);
                stackPane.setScaleY(zoomLevel.get() / 100.0);
            }
        });
        Button zoomOutBtn = new Button("Zoom Out");
        zoomOutBtn.setLayoutY(2);
        zoomOutBtn.setLayoutX(140);
        zoomOutBtn.onActionProperty().set((e) -> {
            if (zoomLevel.get() > 25) {
                zoomLevel.set(zoomLevel.get() / 2);
                stackPane.setScaleX(zoomLevel.get() / 100.0);
                stackPane.setScaleY(zoomLevel.get() / 100.0);
            }
        });
        
        Pane mainPane = new Pane(stackPane, label, zoomInBtn, zoomOutBtn);
        mainPane.setStyle("-fx-background-color: #000000");
        Scene scene = new Scene(mainPane);
        stage.setScene(scene);
        
        drawGrid(canvas, 0, 0, width, height - topMargin, 16);
        stackPane.getChildren().add(canvas);
        
        stage.show();
    }
    
    private void drawGrid(Canvas canvas, int xPos, int yPos, int width, int height, int gridSize) {
        boolean darkX = true;
        String darkCol = "#111111";
        String lightCol = "#222266";
        
        for (int x = xPos; x < canvas.getWidth(); x += gridSize) {
            boolean dark = darkX;
            darkX = !darkX;
            if (x > width) {
                break;
            }
            
            for (int y = yPos; y < canvas.getHeight(); y += gridSize) {
                if (y > height) {
                    break;
                }
                
                dark = !dark;
                String color;
                if (dark) {
                    color = darkCol;
                } else {
                    color = lightCol;
                }
                canvas.getGraphicsContext2D().setFill(Paint.valueOf(color));
                canvas.getGraphicsContext2D().fillRect(x, y, gridSize, gridSize);
            }
        }
    }
}