import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.geometry.VPos;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.control.Button;
import javafx.scene.effect.BlendMode;
import javafx.scene.effect.DropShadow;
import javafx.scene.effect.Reflection;
import javafx.scene.image.ImageView;
import javafx.scene.image.PixelWriter;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.Pane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.ImagePattern;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.RadialGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.ArcType;
import javafx.scene.shape.StrokeLineCap;
import javafx.scene.shape.StrokeLineJoin;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontSmoothingType;
import javafx.scene.text.FontWeight;
import javafx.scene.text.TextAlignment;
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;

public class CanvasEx extends Application {
   
   public static void main(String[] args) {
      Application.launch(args);
   }

   @Override
   public void start(Stage stage) throws Exception {
      VBox root = new VBox(15);
      root.setAlignment(Pos.CENTER);
      Button button1 = new Button("Canvas");
      Button button2 = new Button("Фон и обводка");
      Button button3 = new Button("Рисование пикселей и линий");
      Button button4 = new Button("Рисование траектории");
      Button button5 = new Button("Рисование фигур");
      Button button6 = new Button("Вывод текста");
      Button button7 = new Button("Вывод изображения");
      Button button8 = new Button("Эффекты и трансформации");
      Button button9 = new Button("Вращение вокруг центра");
      Button button10 = new Button("applyEffect");
      Button button11 = new Button("Рисование мышью");
      
      button1.setOnAction(event -> {
         newWindow();
      });
      button2.setOnAction(event -> {
         newWindow2();
      });
      button3.setOnAction(event -> {
         newWindow3();
      });
      button4.setOnAction(event -> {
         newWindow4();
      });
      button5.setOnAction(event -> {
         newWindow5();
      });
      button6.setOnAction(event -> {
         newWindow6();
      });
      button7.setOnAction(event -> {
         newWindow7();
      });
      button8.setOnAction(event -> {
         newWindow8();
      });
      button9.setOnAction(event -> {
         newWindow9();
      });
      button10.setOnAction(event -> {
         newWindow10();
      });
      button11.setOnAction(event -> {
         newWindow11();
      });
      
      root.getChildren().addAll(button1, button2, button3, button4, button5,
                                button6, button7, button8, button9, button10, button11);
      Scene scene = new Scene(root, 400, 500);
      stage.setTitle("Canvas");
      stage.setScene(scene);
      stage.show();
   }
   
   public void newWindow() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas();
      canvas.setWidth(400.0);
      canvas.setHeight(150.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.GREEN);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());
      canvas.relocate(20.0, 20.0);
      
      System.out.println(canvas.getWidth());
      System.out.println(canvas.getHeight());
      
      Canvas canvas2 = new Canvas(400.0, 150.0);
      GraphicsContext gc2 = canvas2.getGraphicsContext2D();
      gc2.setFill(Color.WHITE);
      gc2.setStroke(Color.BLACK);
      gc2.fillRect(0.0, 0.0, canvas2.getWidth(), canvas2.getHeight());
      gc2.strokeRect(1.0, 1.0, canvas2.getWidth() - 2.0,
                               canvas2.getHeight() - 2.0);
      canvas2.relocate(20.0, 200.0);
      
      canvas.setEffect(new DropShadow());
      
      pane.getChildren().addAll(canvas, canvas2);
      Scene scene = new Scene(pane, 500.0, 400.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow2() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 300.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      System.out.println(gc.getFill()); // 0x000000ff
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());
      System.out.println(gc.getFill());
      gc.setFill(Color.BLACK);
      gc.fillRect(10.0, 10.0, 40.0, 40.0);
      
      Stop[] stops = new Stop[] {
            new Stop(0, Color.BLACK), new Stop(1, Color.WHITE)
      };
      gc.setFill(new LinearGradient(0, 0, 1, 0, true, 
                                    CycleMethod.NO_CYCLE, stops));
      gc.fillRect(60.0, 10.0, 40.0, 40.0);

      gc.setFill(new RadialGradient(240.0, 0.7, 0.5, 0.5, 0.5,
                               true, CycleMethod.REFLECT, stops));
      gc.fillRect(110.0, 10.0, 40.0, 40.0);
      
      WritableImage im = new WritableImage(10, 10);
      PixelWriter pw = im.getPixelWriter();
      for (int x = 0, w = (int) im.getWidth(); x < w; x++) {
         for (int y = 0, h = (int) im.getHeight(); y < h; y++) {
            if (x > 3 && x < 8)
                 pw.setColor(x, y, Color.WHITE);
            else pw.setColor(x, y, Color.CHOCOLATE);
         }
      }
      gc.setFill(new ImagePattern(im, 0.0, 0.0, 
                          im.getWidth(), im.getHeight(), false));
      gc.fillRect(160.0, 10.0, 40.0, 40.0);

      gc.setStroke(Color.RED);
      gc.strokeRect(10.0, 60.0, 40.0, 40.0);

      gc.setStroke(Color.BLUE);
      gc.setLineWidth(5.0);
      gc.strokeRect(60.0, 60.0, 40.0, 40.0);
      gc.setLineWidth(10.0);
      gc.strokeRect(110.0, 60.0, 40.0, 40.0);
      gc.setStroke(Color.WHITE);
      gc.setLineWidth(1.0);
      gc.strokeRect(110.0, 60.0, 40.0, 40.0);

      gc.setStroke(Color.BLUE);
      gc.setLineWidth(8.0);
      gc.setLineDashes(15.0, 40.0);
      gc.strokeLine(20.0, 120.0, 300.0, 120.0);
      gc.setLineDashOffset(40.0);
      gc.strokeLine(20.0, 140.0, 300.0, 140.0);
      gc.setLineDashOffset(0.0);
      gc.setLineDashes();
      gc.strokeLine(20.0, 160.0, 300.0, 160.0);
      
      gc.setStroke(Color.BLACK);
      gc.setLineWidth(15.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(20.0, 180.0, 300.0, 180.0);
      gc.setLineCap(StrokeLineCap.SQUARE);
      gc.strokeLine(20.0, 200.0, 300.0, 200.0);
      gc.setLineCap(StrokeLineCap.BUTT);
      gc.strokeLine(20.0, 220.0, 300.0, 220.0);
      gc.setStroke(Color.WHITE);
      gc.setLineWidth(3.0);
      gc.strokeLine(20.0, 180.0, 300.0, 180.0);
      gc.strokeLine(20.0, 200.0, 300.0, 200.0);
      gc.strokeLine(20.0, 220.0, 300.0, 220.0);
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(15.0);
      gc.setLineJoin(StrokeLineJoin.MITER);
      gc.strokePolyline(new double[] {100.0, 30.0, 100.0},
                        new double[] {250.0, 290.0, 290.0}, 3);
      gc.setLineJoin(StrokeLineJoin.ROUND);
      gc.strokePolyline(new double[] {200.0, 120.0, 200.0},
                        new double[] {250.0, 290.0, 290.0}, 3);
      gc.setLineJoin(StrokeLineJoin.BEVEL);
      gc.strokePolyline(new double[] {300.0, 220.0, 300.0},
                        new double[] {250.0, 290.0, 290.0}, 3);
      gc.setStroke(Color.CHOCOLATE);
      gc.setLineJoin(StrokeLineJoin.MITER);
      gc.setMiterLimit(3.0);
      gc.strokePolyline(new double[] {300.0, 220.0, 300.0},
                        new double[] {50.0, 90.0, 90.0}, 3);
      
      gc.setStroke(Color.WHITE);
      gc.setLineWidth(3.0);
      gc.setLineJoin(StrokeLineJoin.MITER);
      gc.strokePolyline(new double[] {100.0, 30.0, 100.0},
                        new double[] {250.0, 290.0, 290.0}, 3);
      gc.strokePolyline(new double[] {200.0, 120.0, 200.0},
                        new double[] {250.0, 290.0, 290.0}, 3);
      gc.strokePolyline(new double[] {300.0, 220.0, 300.0},
                        new double[] {250.0, 290.0, 290.0}, 3);
      gc.strokePolyline(new double[] {300.0, 220.0, 300.0},
                        new double[] {50.0, 90.0, 90.0}, 3);
      
      
      canvas.relocate(50.0, 50.0);
     
      //System.out.println(gc.getCanvas());
      
      SnapshotParameters sp = new SnapshotParameters();
      sp.setFill(Color.TRANSPARENT);
      WritableImage wim = canvas.snapshot(sp, null);

      ImageView iv =new ImageView(wim);
      iv.relocate(50.0, 400.0);
      
      pane.getChildren().addAll(canvas, iv);
      Scene scene = new Scene(pane, 500.0, 750.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow3() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 450.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());

      PixelWriter pw = gc.getPixelWriter();
      for (int x = 20; x < 61; x++) {
         for (int y = 20; y < 61; y++) {
            pw.setColor(x, y, Color.RED);
         }
      }
      
      gc.setStroke(Color.BLUE);
      gc.setLineWidth(5.0);
      gc.strokeLine(80.0, 20.0, 350.0, 20.0);
      
      gc.setLineDashes(15.0, 40.0);
      gc.strokeLine(80.0, 30.0, 350.0, 30.0);
      gc.setLineDashOffset(40.0);
      gc.strokeLine(80.0, 40.0, 350.0, 40.0);
      gc.setLineDashes();
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(80.0, 50.0, 80.0, 50.0);
      
      gc.setStroke(Color.BLACK);
      gc.setLineWidth(3.0);
      gc.setLineJoin(StrokeLineJoin.MITER);
      gc.strokePolyline(new double[] {100.0, 20.0, 100.0},
                        new double[] {80.0, 120.0, 120.0}, 3);
      
      gc.setStroke(Color.DARKGREEN);
      gc.setLineWidth(3.0);
      gc.strokeArc(10.0, 150.0, 100.0, 100.0, 45.0, 270.0, ArcType.OPEN);
      gc.strokeArc(150.0, 150.0, 100.0, 100.0, 45.0, 270.0, ArcType.CHORD);
      gc.strokeArc(300.0, 150.0, 100.0, 100.0, 45.0, 270.0, ArcType.ROUND);
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(10.0, 150.0, 10.0, 150.0);
      gc.strokeLine(150.0, 150.0, 150.0, 150.0);
      gc.strokeLine(300.0, 150.0, 300.0, 150.0);
      
      gc.setFill(Color.KHAKI);
      gc.fillArc(10.0, 300.0, 100.0, 100.0, 45.0, 270.0, ArcType.OPEN);
      gc.fillArc(150.0, 300.0, 100.0, 100.0, 45.0, 270.0, ArcType.CHORD);
      gc.fillArc(300.0, 300.0, 100.0, 100.0, 45.0, 270.0, ArcType.ROUND);

      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 550.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow4() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 450.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());

      /*
      // Создание маски
      gc.beginPath();
      gc.rect(100.0, 100.0, 200.0, 200.0);
      gc.clip();
      gc.stroke();*/
      
      gc.setFill(Color.DARKGREEN);
      gc.setStroke(Color.RED);
      gc.setLineWidth(3.0);
      gc.beginPath();
      gc.moveTo(20.0, 20.0);
      gc.lineTo(100.0, 20.0);
      gc.lineTo(100.0, 80.0);
      gc.closePath();
      gc.stroke();
      gc.fill();
      
      gc.setStroke(Color.BLACK);
      gc.setLineWidth(5.0);
      gc.beginPath();
      gc.moveTo(100.0, 100.0);
      gc.arcTo(200.0, 0.0, 300.0, 100.0, 100.0);
      gc.stroke();
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(1.0);
      gc.strokeLine(100.0, 100.0, 200.0, 0.0);
      gc.strokeLine(200.0, 0.0, 300.0, 100.0);
      gc.strokeOval(100.0, 41.0, 200.0, 200.0);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(100.0, 100.0, 100.0, 100.0);
      gc.strokeLine(200.0, 0.0, 200.0, 0.0);
      gc.strokeLine(300.0, 100.0, 300.0, 100.0);
      gc.setLineCap(StrokeLineCap.SQUARE);

      gc.setStroke(Color.BLACK);
      gc.setLineWidth(5.0);
      gc.beginPath();
      gc.moveTo(10.0, 200.0);
      gc.arc(50.0, 200.0, 40.0, 40.0, 180.0, 180.0);
      gc.arc(130.0, 200.0, 40.0, 40.0, 180.0, -180.0);
      gc.stroke();
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(50.0, 200.0, 50.0, 200.0);
      gc.strokeLine(130.0, 200.0, 130.0, 200.0);
      gc.setLineCap(StrokeLineCap.SQUARE);
      
      gc.setStroke(Color.BLACK);
      gc.setLineWidth(5.0);
      gc.beginPath();
      gc.moveTo(50.0, 300.0);
      gc.bezierCurveTo(200.0, 400.0, 200.0, 200.0, 350.0, 300.0);
      gc.stroke();
      
      gc.setStroke(Color.BLACK);
      gc.setLineWidth(5.0);
      gc.beginPath();
      gc.moveTo(50.0, 400.0);
      gc.quadraticCurveTo(200.0, 300.0, 350.0, 400.0);
      gc.stroke();
      
      gc.setStroke(Color.BLACK);
      gc.setLineWidth(5.0);
      gc.beginPath();
      gc.moveTo(200.0, 370.0);
      gc.appendSVGPath("L 150 420 L 250 420");
      gc.closePath();
      //gc.appendSVGPath("M 200 370 L 150 420 L 250 420 Z");
      gc.stroke();
      
      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 550.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow5() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 300.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());

      gc.setFill(Color.BLUE);
      gc.fillRect(20.0, 20.0, 40.0, 40.0);
      
      gc.setFill(Color.GREEN);
      gc.fillRoundRect(80.0, 20.0, 40.0, 40.0, 20.0, 20.0);
      
      gc.setStroke(Color.RED);
      gc.strokeRect(140.0, 20.0, 40.0, 40.0);
      
      gc.setStroke(Color.PERU);
      gc.strokeRoundRect(200.0, 20.0, 40.0, 40.0, 20.0, 20.0);
      
      gc.setFill(Color.BLUE);
      gc.fillOval(20.0, 100.0, 100.0, 40.0);
      
      gc.save();
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(20.0, 100.0, 20.0, 100.0);
      gc.restore();
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(3.0);
      gc.strokeOval(200.0, 100.0, 40.0, 100.0);
      
      gc.save();
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(200.0, 100.0, 200.0, 100.0);
      gc.restore();
      
      gc.setFill(Color.BLACK);
      gc.fillPolygon(new double[] {100.0, 20.0,  100.0},
                     new double[] {180.0, 220.0, 220.0}, 3);
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(3.0);
      gc.strokePolygon(new double[] {100.0, 20.0,  100.0},
                       new double[] {250.0, 290.0, 290.0}, 3);

      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 400.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow6() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 400.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());

      System.out.println(gc.getFont());
      // Font[name=System Regular, family=System, style=Regular, size=12.0]
      gc.setFill(Color.BLACK);
      gc.setFont(new Font(24.0));
      gc.fillText("Font(24.0)", 20.0, 40.0);
      
      System.out.println(gc.getFontSmoothingType());
      gc.setFontSmoothingType(FontSmoothingType.LCD);
      gc.fillText("Font(24.0)", 200.0, 40.0);
      gc.setFontSmoothingType(FontSmoothingType.GRAY);
      
      System.out.println(gc.getTextAlign());
      gc.setFill(Color.BLACK);
      gc.setFont(Font.font("Verdana", FontWeight.NORMAL, 
                           FontPosture.REGULAR, 12.0));
      gc.setTextAlign(TextAlignment.RIGHT);
      gc.fillText("TextAlignment.RIGHT", 150.0, 80.0);
      gc.setTextAlign(TextAlignment.CENTER);
      gc.fillText("TextAlignment.CENTER", 150.0, 100.0);
      gc.setTextAlign(TextAlignment.LEFT);
      gc.fillText("TextAlignment.LEFT", 150.0, 120.0);
      
      gc.save();
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(150.0, 80.0, 150.0, 80.0);
      gc.strokeLine(150.0, 100.0, 150.0, 100.0);
      gc.strokeLine(150.0, 120.0, 150.0, 120.0);
      gc.restore();
      
      System.out.println(gc.getTextBaseline());
      gc.setTextBaseline(VPos.TOP);
      gc.fillText("VPos.TOP", 50.0, 140.0);
      gc.setTextBaseline(VPos.CENTER);
      gc.fillText("VPos.CENTER", 50.0, 170.0);
      gc.setTextBaseline(VPos.BOTTOM);
      gc.fillText("VPos.BOTTOM", 50.0, 200.0);
      gc.setTextBaseline(VPos.BASELINE);
      gc.fillText("VPos.BASELINE", 50.0, 220.0);
      
      gc.save();
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(50.0, 140.0, 50.0, 140.0);
      gc.strokeLine(50.0, 170.0, 50.0, 170.0);
      gc.strokeLine(50.0, 200.0, 50.0, 200.0);
      gc.strokeLine(50.0, 220.0, 50.0, 220.0);
      gc.restore();
      
      gc.setFill(Color.BLACK);
      gc.fillText("Текст", 20.0, 250.0);
      
      StringBuilder sb = new StringBuilder();
      sb.append("Длинная строка");
      for (int i = 1; i < 8; i++) {
         sb.append(" слово" + i);
      }
      String longStr = sb.toString();
      gc.fillText(longStr, 20.0, 270.0, 350.0);
      
      gc.save();
      gc.beginPath();
      gc.rect(15.0, 280.0, 350.0, 30.0);
      gc.clip();
      //gc.stroke();
      gc.fillText(longStr, 20.0, 300.0);
      gc.restore();
      
      gc.setStroke(Color.RED);
      gc.setLineWidth(3.0);
      gc.setFont(new Font(96.0));
      gc.strokeText("OK", 20.0, 390.0);
      //gc.strokeText("OK", 20.0, 390.0, 200.0);
      
      gc.fillText("OK", 200.0, 390.0);
      
      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 500.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow7() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 400.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());
      
      WritableImage img = new WritableImage(100, 100);
      PixelWriter pw = img.getPixelWriter();
      for (int x = 0, w = (int) img.getWidth(); x < w; x++) {
         for (int y = 0, h = (int) img.getHeight(); y < h; y++) {
            if ((x > 19 && x < 80) && (y > 19 && y < 80))
                 pw.setColor(x, y, Color.GAINSBORO);
            else pw.setColor(x, y, Color.CHOCOLATE);
         }
      }

      gc.drawImage(img, 20.0, 20.0);
      
      gc.drawImage(img, 20.0, 150.0, 50.0, 50.0);
      gc.drawImage(img, 20.0, 230.0, 50.0, 100.0);
      gc.drawImage(img, 20.0, 340.0, 100.0, 50.0);
      
      gc.drawImage(img, 0.0,   0.0,   50.0,  50.0, 
                        200.0, 20.0,  50.0,  50.0);
      gc.drawImage(img, 0.0,   0.0,   50.0,  50.0, 
                        200.0, 100.0, 100.0, 100.0);
      gc.drawImage(img, 0.0,   0.0,   100.0, 100.0, 
                        200.0, 250.0, 100.0, 100.0);
      
      // Очистка всего холста
      //gc.clearRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());
      
      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 500.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow8() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 400.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());
      
      gc.setFill(Color.RED);
      
      gc.save();
      gc.rotate(45.0);
      gc.fillRect(40.0, -20.0, 40.0, 40.0);
      gc.restore();
      
      gc.save();
      gc.scale(2.0, 2.0);
      gc.fillRect(10.0, 40.0, 40.0, 40.0);
      gc.restore();
      
      gc.setFill(Color.RED);
      gc.fillRect(200.0, 200.0, 40.0, 40.0);
      gc.save();
      gc.setStroke(Color.GREEN);
      gc.translate(200.0, 200.0);
      gc.rotate(45.0);
      gc.strokeRect(0, 0, 40.0, 40.0);
      gc.rotate(-180.0);
      gc.strokeRect(0, 0, 40.0, 40.0);
      gc.restore();

      gc.setFill(Color.CHOCOLATE);
      gc.fillRect(300.0, 300.0, 40.0, 40.0);
      gc.save();
      //gc.scale(2.0, 2.0);
      gc.transform(2.0, 0.0, 0.0, 2.0, 0.0, 0.0);
      gc.setStroke(Color.BLUE);
      gc.strokeRect(140.0, 140.0, 40.0, 40.0);
      gc.restore();
      
      gc.save();
      gc.setEffect(new DropShadow());
      gc.setFill(Color.CORAL);
      gc.fillRect(50.0, 300.0, 40.0, 40.0);
      gc.restore();
      
      gc.save();
      Reflection reflection = new Reflection();
      reflection.setFraction(0.7);
      gc.setEffect(reflection);
      gc.setFill(Color.CORAL);
      gc.fillRect(300.0, 50.0, 40.0, 40.0);
      gc.restore();
      
      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 500.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow9() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 400.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setFill(Color.WHITE);
      gc.fillRect(0.0, 0.0, canvas.getWidth(), canvas.getHeight());

      gc.setFill(Color.RED);
      gc.setStroke(Color.RED);
      gc.fillRect(200.0, 200.0, 40.0, 40.0);
      for (int i = 7; i <= 360; i+=7) {
         gc.save();
         gc.rotate(i);
         gc.strokeRect(200.0, 200.0, 40.0, 40.0);
         gc.restore();
      }
            
      gc.setFill(Color.GREEN);
      gc.setStroke(Color.RED);
      Rotate r2 = null;
      double x2 = 100.0, y2 = 100.0, width2 = 40, height2 = 40;

      System.out.println(gc.getGlobalAlpha());
      gc.save();
      gc.setGlobalAlpha(0.5);
      gc.fillRect(x2, y2, width2, height2);
      gc.restore();
      
      for (int i = 30; i <= 360; i+=30) {
         gc.save();
         r2 = new Rotate(i, x2 + width2 / 2, y2 + height2 / 2);
         gc.setTransform(r2.getMxx(), r2.getMyx(), r2.getMxy(), r2.getMyy(),
                         r2.getTx(), r2.getTy());
         gc.strokeRect(x2, y2, width2, height2);
         gc.restore();
      }
      gc.save();
      gc.setStroke(Color.RED);
      gc.setLineWidth(5.0);
      gc.setLineCap(StrokeLineCap.ROUND);
      gc.strokeLine(x2 + width2 / 2, y2 + height2 / 2,
                    x2 + width2 / 2, y2 + height2 / 2);
      gc.restore();
      
      gc.save();
      gc.setFill(Color.BLUE);
      double x = 50.0, y = 50.0, width = 40.0, height = 40.0;
      Rotate r = new Rotate(45.0, x + width / 2, y + height / 2);
      gc.setTransform(r.getMxx(), r.getMyx(), r.getMxy(), r.getMyy(),
                      r.getTx(), r.getTy());
      System.out.println(gc.getTransform());
      gc.fillRect(x, y, width, height);
      gc.restore();
      System.out.println(gc.getTransform());
      
      gc.save();
      gc.setFill(Color.BLUE);
      gc.setGlobalAlpha(0.5);
      gc.fillRect(10.0, 10.0, 20.0, 20.0);
      gc.restore();
      
      gc.setFill(Color.GREEN);
      gc.fillRect(300.0, 300.0, 40.0, 40.0);
      gc.save();
      gc.setFill(Color.BLACK);
      gc.setGlobalBlendMode(BlendMode.OVERLAY);
      gc.fillRect(320.0, 280.0, 40.0, 40.0);
      gc.restore();
      gc.setFill(Color.BLACK);
      System.out.println(gc.getGlobalBlendMode());
      gc.fillRect(280.0, 320.0, 40.0, 40.0);
      
      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 500.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow10() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(400.0, 400.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();

      gc.setFill(Color.GREEN);
      gc.fillRect(200.0, 200.0, 100.0, 100.0);
      gc.fillRect(50.0, 50.0, 100.0, 100.0);
      
      DropShadow dropShadow = new DropShadow();
      dropShadow.setRadius(5.0);
      dropShadow.setOffsetX(6.0);
      dropShadow.setOffsetY(4.0);
      dropShadow.setColor(Color.BLACK);
      gc.applyEffect(dropShadow);
      
      canvas.relocate(50.0, 50.0);
     
      pane.getChildren().addAll(canvas);
      Scene scene = new Scene(pane, 500.0, 500.0);
      window.setScene(scene);
      window.setTitle("Canvas");
      window.show();
   }
   
   public void newWindow11() {
      Stage window = new Stage();
      Pane pane = new Pane();

      Canvas canvas = new Canvas(500.0, 500.0);
      GraphicsContext gc = canvas.getGraphicsContext2D();
      gc.setStroke(Color.RED);
      gc.setLineWidth(3.0);
      
      pane.getChildren().addAll(canvas);
      
      canvas.setOnMousePressed(event -> {
         gc.beginPath();
         gc.lineTo(event.getX(), event.getY());
         gc.stroke();
      });
      
      canvas.setOnMouseDragged(event -> {
         gc.lineTo(event.getX(), event.getY());
         gc.stroke();
      });

      Scene scene = new Scene(pane, 500.0, 500.0);
      window.setScene(scene);
      window.setTitle("Нарисуйте что-нибудь мышью");
      window.show();
   }
}