Java Code Examples for javafx.scene.image.ImageView#setPreserveRatio()

Node createNode() {
	String imageUrl;
	try {
		imageUrl = (basePath != null)
			? basePath.resolve(url).toUri().toString()
			: "file:" + url;
	} catch (InvalidPathException ex) {
		return createErrorNode();
	}

	// load image
	Image image = loadImage(imageUrl);
	if (image.isError())
		return createErrorNode(); // loading failed

	// create image view
	ImageView view = new ImageView(image);
	view.setPreserveRatio(true);
	view.setFitWidth(Math.min(image.getWidth(),MAX_SIZE));
	view.setFitHeight(Math.min(image.getHeight(),MAX_SIZE));
	return view;
}
 

/**
 * Method to set ImageView style and add a BorderPane for border plotting.
 *
 * @param imageView ImageView to be customised.
 * @return customised ImageView with BorderPane.
 */
private BorderPane setImageViewBorder(ImageView imageView) {
    // preserve image ratio
    imageView.setPreserveRatio(true);
    // maximum width is 390 maximum height is 150
    // image larger than the above size will be scaled down
    imageView.setFitWidth(PREFERRED_WIDTH);
    imageView.setFitHeight(PREFERRED_HEIGHT);

    var borderPane = new BorderPane(imageView);

    // use BorderPane to add a border stroke to the ImageView
    borderPane.setBorder(new Border(PANE_BORDER_STROKE));
    borderPane.setPrefSize(PREFERRED_WIDTH, 110);

    return borderPane;
}
 

public void start(Stage stage) {
    String javaVersion = System.getProperty("java.version");
    String javafxVersion = System.getProperty("javafx.version");
    Label label = new Label("Hello, JavaFX " + javafxVersion + ", running on Java " + javaVersion + ".");

    ImageView imageView = new ImageView(new Image(HelloFX.class.getResourceAsStream("/hellofx/openduke.png")));
    imageView.setFitHeight(200);
    imageView.setPreserveRatio(true);

    VBox root = new VBox(30, imageView, label);
    root.setAlignment(Pos.CENTER);
    Scene scene = new Scene(root, 640, 480);
    scene.getStylesheets().add(HelloFX.class.getResource("styles.css").toExternalForm());
    stage.setScene(scene);
    stage.show();
}
 

public void fillRefundTable() 
{
    final ObservableList<Refund> data = FXCollections.observableArrayList();
    ArrayList<ArrayList<String>> refundData = cashier.cashier.getWaitingRefunds();
    
    int size = refundData.size();
    for(int i = 1; i < size; i++)
    {
        String refundId = refundData.get(i).get(0);
        String billId = refundData.get(i).get(1);
        //String paymentType = refundData.get(i).get(2);
        String reason = refundData.get(i).get(3);
        String amount = refundData.get(i).get(4);
        String date = refundData.get(i).get(5);
        
        Image img2 = new Image(getClass().getResource("/imgs/refund.png").toString(), true);
        ImageView imageView = new ImageView(img2);
        imageView.setFitHeight(25);
        imageView.setFitWidth(25);
        imageView.setPreserveRatio(true);
                
        data.add(new Refund(refundId,date,billId,reason,amount,imageView));        
    }    
   
    refundTable.setItems(data);
}
 

protected void initGraphics() {
    // Set initial size
    if (Double.compare(tile.getPrefWidth(), 0.0) <= 0 || Double.compare(tile.getPrefHeight(), 0.0) <= 0 ||
        Double.compare(tile.getWidth(), 0.0) <= 0 || Double.compare(tile.getHeight(), 0.0) <= 0) {
        if (tile.getPrefWidth() > 0 && tile.getPrefHeight() > 0) {
            tile.setPrefSize(tile.getPrefWidth(), tile.getPrefHeight());
        } else {
            tile.setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
        }
    }

    shadow = new DropShadow(BlurType.TWO_PASS_BOX, Color.rgb(0, 0, 0, 0.65), 3, 0, 0, 0);

    backgroundImageView = new ImageView();
    backgroundImageView.setPreserveRatio(true);
    backgroundImageView.setMouseTransparent(true);
    if (null == tile.getBackgroundImage()) {
        enableNode(backgroundImageView, false);
    } else {
        backgroundImageView.setImage(tile.getBackgroundImage());
        enableNode(backgroundImageView, true);
    }

    notifyRegion = new NotifyRegion();
    enableNode(notifyRegion, false);

    infoRegion = new InfoRegion();
    infoRegion.setPickOnBounds(false);
    enableNode(infoRegion, false);

    lowerRightRegion = new LowerRightRegion();
    enableNode(lowerRightRegion, false);

    pane = new Pane(backgroundImageView, notifyRegion, infoRegion, lowerRightRegion);
    pane.getStyleClass().add("tile");
    pane.setBorder(new Border(new BorderStroke(tile.getBorderColor(), BorderStrokeStyle.SOLID, new CornerRadii(PREFERRED_WIDTH * 0.025), new BorderWidths(tile.getBorderWidth()))));
    pane.setBackground(new Background(new BackgroundFill(tile.getBackgroundColor(), new CornerRadii(PREFERRED_WIDTH * 0.025), Insets.EMPTY)));

    getChildren().setAll(pane);
}
 

public static Image addShadowFx(Image image, int shadow, Color color) {
        try {
            if (image == null || shadow <= 0) {
                return null;
            }
            double imageWidth = image.getWidth(), imageHeight = image.getHeight();
            Group group = new Group();
            Scene s = new Scene(group);

            ImageView view = new ImageView(image);
            view.setPreserveRatio(true);
            view.setFitWidth(imageWidth);
            view.setFitHeight(imageHeight);

            DropShadow dropShadow = new DropShadow();
            dropShadow.setOffsetX(shadow);
            dropShadow.setOffsetY(shadow);
            dropShadow.setColor(color);
            view.setEffect(dropShadow);

            group.getChildren().add(view);

            SnapshotParameters parameters = new SnapshotParameters();
            parameters.setFill(Color.TRANSPARENT);
            WritableImage newImage = group.snapshot(parameters, null);
            return newImage;
        } catch (Exception e) {
//            logger.error(e.toString());
            return null;
        }

    }
 

public SlideThumbnail(ImageGroupSlide slide, int num) {
    this.num = num;
    this.slide = slide;
    image = new ImageView(slide.getImage());
    image.setFitWidth(QueleaProperties.get().getThumbnailSize());
    image.setPreserveRatio(true);
    image.setSmooth(true);
    image.setCache(true);
    setTop(image);
    setCenter(new Label(Integer.toString(num)));
}
 

public ImagePropertiesSample() {
    //we can set image properties directly during creation
    ImageView sample1 = new ImageView(new Image(url, 30, 70, false, true));

    ImageView sample2 = new ImageView(new Image(url));
    //image can be resized to preferred width
    sample2.setFitWidth(200);
    sample2.setPreserveRatio(true);
    
    ImageView sample3 = new ImageView(new Image(url));
    //image can be resized to preferred height
    sample3.setFitHeight(20);
    sample3.setPreserveRatio(true);
    
    ImageView sample4 = new ImageView(new Image(url));
    //one can resize image without preserving ratio between height and width
    sample4.setFitWidth(40);
    sample4.setFitHeight(80);
    sample4.setPreserveRatio(false);
    sample4.setSmooth(true); //the usage of the better filter

    ImageView sample5 = new ImageView(new Image(url));
    sample5.setFitHeight(60);
    sample5.setPreserveRatio(true);
    //viewport is used for displaying the part of image
    Rectangle2D rectangle2D = new Rectangle2D(50, 200, 120, 60);
    sample5.setViewport(rectangle2D);

    //add the imageviews to layout
    HBox hBox = new HBox();
    hBox.setSpacing(10);
    hBox.getChildren().addAll(sample1, sample3, sample4, sample5);

    //show the layout
    VBox vb = new VBox(10);
    vb.getChildren().addAll(hBox, sample2);
    getChildren().add(vb);
}
 

public ImagePropertiesSample() {
    //we can set image properties directly during creation
    ImageView sample1 = new ImageView(new Image(url, 30, 70, false, true));

    ImageView sample2 = new ImageView(new Image(url));
    //image can be resized to preferred width
    sample2.setFitWidth(200);
    sample2.setPreserveRatio(true);
    
    ImageView sample3 = new ImageView(new Image(url));
    //image can be resized to preferred height
    sample3.setFitHeight(20);
    sample3.setPreserveRatio(true);
    
    ImageView sample4 = new ImageView(new Image(url));
    //one can resize image without preserving ratio between height and width
    sample4.setFitWidth(40);
    sample4.setFitHeight(80);
    sample4.setPreserveRatio(false);
    sample4.setSmooth(true); //the usage of the better filter

    ImageView sample5 = new ImageView(new Image(url));
    sample5.setFitHeight(60);
    sample5.setPreserveRatio(true);
    //viewport is used for displaying the part of image
    Rectangle2D rectangle2D = new Rectangle2D(50, 200, 120, 60);
    sample5.setViewport(rectangle2D);

    //add the imageviews to layout
    HBox hBox = new HBox();
    hBox.setSpacing(10);
    hBox.getChildren().addAll(sample1, sample3, sample4, sample5);

    //show the layout
    VBox vb = new VBox(10);
    vb.getChildren().addAll(hBox, sample2);
    getChildren().add(vb);
}
 

public CountryLabel(Country country) {
	super(country.getOfficialName());
	tag = country.getTag();

	ImageView iv2 = new ImageView(country.getFlag());
	iv2.setFitWidth(32); // 30 to 35 looks good
	iv2.setPreserveRatio(true);
	iv2.setSmooth(true);
	iv2.setCache(true);

	setGraphic(iv2);
	setContentDisplay(ContentDisplay.LEFT);

}
 

@Override
public Region createContent() {
    Region region = null;
    try {
        if (senderLabels.size() == 1) {
            region = new SelectableLabel(senderLabels.get(0), false, "-fx-text-fill: #cccccc;", null, null);
        } else {
            final VBox content = new VBox(-5.0);
            content.setAlignment(Pos.CENTER_LEFT);
            for (final String senderLabel : senderLabels) {
                content.getChildren().add(new SelectableLabel(senderLabel, false, "-fx-text-fill: #cccccc;", null, null));
            }
            region = content;
        }

        if (iconImage != null) {
            final BorderPane borderPane = new BorderPane();
            borderPane.setCenter(region);

            final ImageView iconView = new ImageView(iconImage);
            iconView.setFitHeight(32);
            iconView.setPreserveRatio(true);
            borderPane.setLeft(iconView);

            region = borderPane;
        }
    } catch (Exception ex) {
        LOGGER.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
    }

    return region;
}
 

public ImageViewTableCell() {
   setAlignment(Pos.CENTER);
   setPrefSize(VIEW_SIZE, VIEW_SIZE);

   imageView = new ImageView();
   imageView.setFitHeight(VIEW_SIZE);
   imageView.setFitWidth(VIEW_SIZE);
   imageView.setPreserveRatio(true);
   setGraphic(imageView);
}
 

public static Image addMarginsFx2(Image image, Color color, int MarginWidth,
        boolean addTop, boolean addBottom, boolean addLeft, boolean addRight) {
    try {
        if (image == null || MarginWidth <= 0) {
            return image;
        }
        Group group = new Group();
        double imageWidth = image.getWidth(), imageHeight = image.getHeight();
        double totalWidth = image.getWidth(), totalHeight = image.getHeight();
        ImageView view = new ImageView(image);
        view.setPreserveRatio(true);
        view.setFitWidth(imageWidth);
        view.setFitHeight(imageHeight);
        if (addLeft) {
            view.setX(MarginWidth);
            totalWidth += MarginWidth;
        } else {
            view.setX(0);
        }
        if (addTop) {
            view.setY(MarginWidth);
            totalHeight += MarginWidth;
        } else {
            view.setY(0);
        }
        if (addBottom) {
            totalHeight += MarginWidth;
        }
        if (addRight) {
            totalWidth += MarginWidth;
        }
        group.getChildren().add(view);

        Blend blend = new Blend(BlendMode.SRC_OVER);
        blend.setBottomInput(new ColorInput(0, 0, totalWidth, totalHeight, color));
        group.setEffect(blend);

        SnapshotParameters parameters = new SnapshotParameters();
        parameters.setFill(Color.TRANSPARENT);
        WritableImage newImage = group.snapshot(parameters, null);
        return newImage;

    } catch (Exception e) {
        logger.error(e.toString());
        return image;
    }

}
 

private void init() {
    view = new ImageView();
    view.setPreserveRatio(true);
    view.setFitHeight(height);
}
 

private ImageView getScriptImage(ScriptItem item)
{
    ImageView imageView = null;

    if (item != null)
    {
        final ScriptInfo info = item.getScriptInfo();
        if (info != null)
        {
            final String path = info.getPath();
            if (ScriptInfo.isEmbedded(path))
            {
                if (ScriptInfo.isJavaScript(path))
                    imageView = JFXUtil.getIcon("javascript.png");
                else if (ScriptInfo.isJython(path))
                    imageView = JFXUtil.getIcon("python.png");
                else
                    // It should never happen.
                    imageView = JFXUtil.getIcon("unknown.png");
            }
            else
            {
                if (ScriptInfo.isJavaScript(path))
                    imageView = JFXUtil.getIcon("file-javascript.png");
                else if (ScriptInfo.isJython(path))
                    imageView = JFXUtil.getIcon("file-python.png");
                else
                    // It should never happen.
                    imageView = JFXUtil.getIcon("file-unknown.png");
            }
        }
    }

    if (imageView != null)
    {
        imageView.setPreserveRatio(true);
        imageView.setSmooth(true);
    }

    return imageView;
}
 

@Override
public void start(Stage primaryStage) {

    primaryStage.setTitle("Callouts");
    Pane root = new Pane();
    int maxWidth = 1024;

    primaryStage.setScene(new Scene(root, maxWidth, 760));
    primaryStage.setMaxWidth(maxWidth);
    primaryStage.setMinWidth(maxWidth);

    Image image = new Image(this.getClass().getResource(IMG).toExternalForm(), true);
    ImageView imageView = new ImageView(image);
    imageView.setPreserveRatio(true);
    imageView.fitWidthProperty().bind(primaryStage.widthProperty());

    Callout callout1 = CalloutBuilder.create()
            .headPoint(600, 550)
            .leaderLineToPoint(400, 300)
            .endLeaderLineLeft()
            .mainTitle("STONEY CREEK")
            .subTitle("Pasadena, MD")
            .pause(5000)
            .build();

    Callout callout2 = CalloutBuilder.create()
            .headPoint(200, 550)
            .leaderLineToPoint(400, 350.5)
            .endLeaderLineRight()
            .mainTitle("STONEY CREEK")
            .subTitle("Pasadena, MD")
            .pause(5000)
            .build();

    Callout callout3 = CalloutBuilder.create()
            .headPoint(498, 186)
            .leaderLineToPoint(375, 406)
            .endLeaderLineLeft()
            .mainTitle("BLUE SKY")
            .subTitle("October 2017")
            .pause(5000)
            .build();

    Callout callout4 = CalloutBuilder.create()
            .headPoint(667, 400)
            .leaderLineToPoint(778, 576)
            .endLeaderLineRight()
            .mainTitle("BOATS")
            .subTitle("On Lift")
            .pause(5000)
            .build();

    root.getChildren().add(imageView);
    root.getChildren().addAll(callout1, callout2, callout3, callout4);

    // Animate 1-4 callouts to point out things in the picture
    EventHandler<KeyEvent> calloutKeyHandler = keyEvent -> {
        switch (keyEvent.getCharacter()) {
            case "1":
                callout1.play();
                break;
            case "2":
                callout2.play();
                break;
            case "3":
                callout3.play();
                break;
            case "4":
                callout4.play();
                break;
            default:
                callout1.play();
        }
    };

    root.addEventHandler(KeyEvent.KEY_TYPED, calloutKeyHandler);
    root.requestFocus();

    // Observe mouse clicked coordinates
    root.setOnMouseClicked(mouseevent -> {
        System.out.println(mouseevent);
    });

    primaryStage.show();
}
 

@Override
public void updateItem(String item, boolean empty) {
    super.updateItem(item, empty);
    if (item != null) {
        final GridPane gridPane = new GridPane();
        gridPane.setHgap(0);
        gridPane.setAlignment(Pos.TOP_LEFT);

        // icon
        final ConstellationIcon icon = IconManager.getIcon(item);
        final Image iconImage = icon.buildImage();
        final ImageView imageView = new ImageView(iconImage);
        imageView.setPreserveRatio(true);
        imageView.setFitHeight(RECT_SIZE);
        final ColumnConstraints titleConstraint = new ColumnConstraints(RECT_SIZE);
        titleConstraint.setHalignment(HPos.CENTER);
        gridPane.getColumnConstraints().addAll(titleConstraint);
        gridPane.add(imageView, 0, 0);

        // dimension text
        if (iconImage != null) {
            final int width = (int) (iconImage.getWidth());
            final int height = (int) (iconImage.getHeight());
            final Text dimensionText = new Text(String.format("(%dx%d)", width, height));
            dimensionText.setFill(Color.web("#d3d3d3"));
            gridPane.add(dimensionText, 0, 1);
        }

        // icon name
        final String displayableItem = icon.getExtendedName();
        final String[] splitItem = displayableItem.split("\\.");
        String iconName = splitItem[splitItem.length - 1];
        if (iconName.isEmpty()) {
            iconName = "(no icon)";
        }
        this.setText(iconName);

        // tooltip
        final Tooltip tt = new Tooltip(item);
        this.setTooltip(tt);

        this.setGraphic(gridPane);
        this.setPrefHeight(RECT_SIZE + SPACING);
    } else {
        this.setText(null);
        this.setGraphic(null);
    }
}
 

@Override
public void start(Stage stage) throws Exception {
    LocalSimulator sim = new LocalSimulator();
    
    QubitBoard board = new QubitBoard(2);

    HBox toolbarFiller = new HBox();
    HBox.setHgrow( toolbarFiller, Priority.ALWAYS);

    ImageView logo = new ImageView("/Gluon_combined_logo_300px.png");
    logo.setPreserveRatio(true);
    logo.setFitWidth(100);

    ToolBar toolbar = new ToolBar(
        createButton( "Append Qubit", e -> board.appendQubit() ),
        createButton( "Clear All", e -> board.clear() ),
        new Separator(),
        GateSymbol.of(new Identity(0), false),
        GateSymbol.of(new X(0), false),
        GateSymbol.of(new Y(0), false),
        GateSymbol.of(new Z(0), false),
        GateSymbol.of(new Hadamard(0), false),
        toolbarFiller,
        logo
    );

    Model.getInstance().refreshRequest().set(true);

    ScrollPane scroller = new ScrollPane(board);
    scroller.setPannable(true);
    scroller.setFitToWidth(true);

    BorderPane borderPane = new BorderPane();
    borderPane.setTop(toolbar);
    borderPane.setCenter(scroller);

    Scene scene = new Scene(borderPane, 800, 600);
    scene.getStylesheets().add(Main.class.getResource("/styles.css").toExternalForm());

    stage.setScene(scene);
    stage.show();
}
 

private void init() {
    view = new ImageView();
    view.setPreserveRatio(true);
    view.setFitHeight(height);
}
 

public void start(Stage primaryStage) {
    try {
        Text txt = new Text();

        FileInputStream inputP = new FileInputStream("src/main/resources/packt.png");
        Image imageP = new Image(inputP);
        ImageView ivP = new ImageView(imageP);

        FileInputStream inputM = new FileInputStream("src/main/resources/mount.jpeg");
        Image imageM = new Image(inputM);
        ImageView ivM = new ImageView(imageM);
        ivM.setPreserveRatio(true);
        ivM.setFitWidth(300);

        EffectsThread et = new EffectsThread(txt, ivM, ivP);

        Button btnP = new Button("Pause");
        btnP.setOnAction(e1 -> et.pause());
        btnP.setStyle("-fx-background-color: lightpink;");

        Button btnC = new Button("Continue");
        btnC.setOnAction(e2 -> et.cont());
        btnC.setStyle("-fx-background-color: lightgreen;");

        GridPane grid = new GridPane();
        grid.setAlignment(Pos.CENTER);
        grid.setVgap(25);
        grid.setPadding(new Insets(10, 10, 10, 10));

        int i = 0;
        grid.add(txt,    0, i++, 2, 1);
        GridPane.setHalignment(txt, HPos.CENTER);
        grid.add(ivP,    0, i++, 2, 1);
        GridPane.setHalignment(ivP, HPos.CENTER);
        grid.add(ivM,    0, i++, 2, 1);
        GridPane.setHalignment(ivM, HPos.CENTER);
        grid.addRow(i++, new Text());
        HBox hb = new HBox(btnP, btnC);
        hb.setAlignment(Pos.CENTER);
        hb.setSpacing(25);
        grid.add(hb,    0, i++, 2, 1);
        GridPane.setHalignment(hb, HPos.CENTER);

        Scene scene = new Scene(grid, 450, 500);

        primaryStage.setScene(scene);
        primaryStage.setTitle("JavaFX effect demo");
        primaryStage.onCloseRequestProperty()
                .setValue(e3 -> System.out.println("Bye! See you later!"));
        primaryStage.show();

        et.start();
    } catch (Exception ex){
        ex.printStackTrace();
    }
}