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2012-09-06 diary: [JavaFX] 確認アイコン描画のサンプル

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[JavaFX] 確認アイコン描画のサンプル

確認アイコンを描画したい場合に利用できるサンプルです。任意のサイズで表示でき、また画像ファイルを同梱しないでよいのも魅力です。 ☆色合いおよび、曲線に改善の余地があります。 [f:id:igapyon:20120920104537p:image]

<Sample001.java>

package sample;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.Light;
import javafx.scene.effect.Lighting;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.CubicCurveTo;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;
import javafx.stage.Stage;

/**
 * 確認アイコンを描画する JavaFX 2 サンプル
 */
public class Sample001 extends Application {
    void drawInfoIcon(final int zoomRate, final Group root) {
        final Color baseColor = Color.rgb(30, 30, 255);
        final Color backColor = Color.rgb(120, 140, 255);

        final Path pathBalloon = new Path();
        {
            root.getChildren().add(pathBalloon);
            pathBalloon.getElements().addAll(
                    new MoveTo(5 * zoomRate, 0),
                    new CubicCurveTo(5 * zoomRate, 0, 0, 0, 0, 4 * zoomRate),
                    new CubicCurveTo(0, 4 * zoomRate, 0, 8 * zoomRate, 4 * zoomRate, 8 * zoomRate),
                    new CubicCurveTo(4 * zoomRate, 8 * zoomRate, 4 * zoomRate, 10 * zoomRate, 6 * zoomRate,
                            10 * zoomRate),
                    new CubicCurveTo(6 * zoomRate, 10 * zoomRate, 5 * zoomRate, 10 * zoomRate, 5.5 * zoomRate,
                            8 * zoomRate),
                    new CubicCurveTo(5.5 * zoomRate, 8 * zoomRate, 10 * zoomRate, 8.6 * zoomRate, 10 * zoomRate,
                            4 * zoomRate),
                    new CubicCurveTo(10 * zoomRate, 4 * zoomRate, 10 * zoomRate, 0, 4 * zoomRate, 0));
            pathBalloon.setStrokeWidth(0);
            pathBalloon.setFill(backColor);
            pathBalloon.setOpacity(0.6);
        }

        {
            final Light.Spot light = new Light.Spot();
            light.setX(0);
            light.setY(0);
            light.setZ(10 * zoomRate);
            final Lighting lighting = new Lighting();
            lighting.setLight(light);
            pathBalloon.setEffect(lighting);
        }

        {
            Circle circle = new Circle(5 * zoomRate, 6.5 * zoomRate, 0.7 * zoomRate);
            root.getChildren().add(circle);
            circle.setFill(baseColor);
        }

        {
            final Path path = new Path();
            root.getChildren().add(path);
            path.getElements()
                    .addAll(new MoveTo(3 * zoomRate, 3 * zoomRate),
                            new CubicCurveTo(3 * zoomRate, 3 * zoomRate, 3 * zoomRate, 1 * zoomRate, 5 * zoomRate,
                                    1 * zoomRate),
                            new CubicCurveTo(5 * zoomRate, 1 * zoomRate, 7 * zoomRate, 1 * zoomRate, 7 * zoomRate,
                                    3 * zoomRate),
                            new CubicCurveTo(7 * zoomRate, 3 * zoomRate, 6.5 * zoomRate, 4 * zoomRate, 5.5 * zoomRate,
                                    4 * zoomRate),
                            new CubicCurveTo(5.5 * zoomRate, 4 * zoomRate, 5 * zoomRate, 4 * zoomRate, 5 * zoomRate,
                                    5.5 * zoomRate),
                            new CubicCurveTo(5 * zoomRate, 5 * zoomRate, 4.5 * zoomRate, 4.5 * zoomRate, 5 * zoomRate,
                                    3.5 * zoomRate),
                            new CubicCurveTo(5 * zoomRate, 3.5 * zoomRate, 6.5 * zoomRate, 3.5 * zoomRate,
                                    6.2 * zoomRate, 2.5 * zoomRate),
                            new CubicCurveTo(6.2 * zoomRate, 2.5 * zoomRate, 6.6 * zoomRate, 2 * zoomRate,
                                    5 * zoomRate, 1.5 * zoomRate),
                            new CubicCurveTo(5 * zoomRate, 1.5 * zoomRate, 3 * zoomRate, 1.5 * zoomRate, 4 * zoomRate,
                                    3 * zoomRate),
                            new CubicCurveTo(4 * zoomRate, 3 * zoomRate, 3.5 * zoomRate, 4 * zoomRate, 3 * zoomRate,
                                    3 * zoomRate));
            path.setStrokeWidth(0);
            path.setFill(baseColor);
        }
    }

    @Override
    public void start(final Stage primaryStage) {
        primaryStage.setTitle("Draw question icon");

        final Group root = new Group();
        drawInfoIcon(10, root);

        primaryStage.setScene(new Scene(root, 200, 200));
        primaryStage.show();
    }

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

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