rgb - 経済統計練習帳

package imp2;
 
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.stage.Stage;
import javafx.scene.Group;
import javafx.scene.shape.*;
import static javafx.application.Application.launch;
import javafx.scene.paint.Color;
 import javafx.scene.input.MouseEvent;
import javafx.scene.control.Label;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.canvas.Canvas;
import javafx.scene.image.PixelReader;
 import javafx.scene.canvas.GraphicsContext;
 
public class pro extends Application {
 
Canvas cam;
 GraphicsContext gc;
 
public static void main(String[] args) {
launch(args);
}
 
 
@Override
public void start(Stage primaryStage) {
 
Image im = new Image("file:pic/1.jpg");
 
ImageView imageView = new ImageView();
imageView.setImage(im);
 
 
PixelReader reader = im.getPixelReader();
 
Color col = reader.getColor(30, 40);
 
int r1 = (int)(255*col.getRed());
int g1=  (int)(255*col.getGreen());
int b1=  (int)(255*col.getBlue());
 
 
System.out.println(r1+","+g1+","+b1);
 
cam = new Canvas(500,500);
gc = cam.getGraphicsContext2D();
 
Color c = Color.rgb(r1,g1,b1); 
 
gc.drawImage(im, 0, 0);
gc.setFill(c);
gc.fillRect(100,100,100,100);
 
Group root = new Group();
Scene scene = new Scene(root, 700, 700); 
 
root.getChildren().add(cam);
primaryStage.setTitle("侵略者");
primaryStage.setScene(scene);
primaryStage.show();
 
}
 
 
 
}