JavaFX生成空白单色图像

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.image.PixelWriter;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class BlankImageGenerator extends Application {

    @Override
    public void start(Stage primaryStage) {
        int width = 500; // 图像宽度
        int height = 500; // 图像高度
        Color color = Color.RED; // 图像颜色

        WritableImage image = new WritableImage(width, height);
        PixelWriter pixelWriter = image.getPixelWriter();

        // 将指定颜色的像素写入图像
        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                pixelWriter.setColor(x, y, color);
            }
        }

        Pane pane = new Pane();
        pane.getChildren().add(new ImageView(image));

        Scene scene = new Scene(pane, width, height);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}