Java SnapshotParameters.setFill方法代码示例

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
 * Kirajzol egy TrainPartot a GraphicsContextre, elforgatva a sebessege iranyaba.
 */
private void drawSprite(TrainPart trainPart, Image sprite) {
    ImageView iv = new ImageView(sprite);
    Coordinate dir = trainPart.getDirection();
    // Az elforgatas szoget az (1,0) vektorhoz viszonyitjuk, mert vizszintesen es jobbra allva taroljuk a spriteokat
    Coordinate ref = new Coordinate(1, 0);
    double deg = Math.toDegrees(Math.acos(Coordinate.dot(dir, ref)));
    // Ha az elforgatas szoge > 180 fok, akkor is jo iranyba forgassuk
    if (Coordinate.cross(dir, ref) > 0) {
        deg = 360 - deg;
    }
    iv.setRotate(deg);
    SnapshotParameters param = new SnapshotParameters();
    param.setFill(Color.TRANSPARENT);
    Image rotatedImage = iv.snapshot(param, null);
    graphicsContext.drawImage(rotatedImage, trainPart.getPos().getX() - rotatedImage.getWidth() / 2, trainPart.getPos().getY() - rotatedImage.getHeight() / 2);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
private void updatePlaceholder(Node newView) {
    if (view.getWidth() > 0 && view.getHeight() > 0) {
        SnapshotParameters parameters = new SnapshotParameters();
        parameters.setFill(Color.TRANSPARENT);
        Image placeholderImage = view.snapshot(parameters,
            new WritableImage((int) view.getWidth(), (int) view.getHeight()));
        placeholder.setImage(placeholderImage);
        placeholder.setFitWidth(placeholderImage.getWidth());
        placeholder.setFitHeight(placeholderImage.getHeight());
    } else {
        placeholder.setImage(null);
    }
    placeholder.setVisible(true);
    placeholder.setOpacity(1.0);
    view.getChildren().setAll(placeholder, newView);
    placeholder.toFront();
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
 * 把一个Node导出为png图片
 *
 * @param node      节点
 * @param saveFile  图片文件
 * @param width     宽
 * @param height    高
 * @return  是否导出成功
 */
public static boolean node2Png(Node node, File saveFile, double width, double height) {
    SnapshotParameters parameters = new SnapshotParameters();
    // 背景透明
    parameters.setFill(Color.TRANSPARENT);
    WritableImage image = node.snapshot(parameters, null);

    // 重置图片大小
    ImageView imageView = new ImageView(image);
    imageView.setFitWidth(width);
    imageView.setFitHeight(height);
    WritableImage exportImage = imageView.snapshot(parameters, null);

    try {
        return ImageIO.write(SwingFXUtils.fromFXImage(exportImage, null), "png", saveFile);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
 * Adapted from http://wecode4fun.blogspot.co.uk/2015/07/particles.html (Roland C.)
 *
 * Snapshot an image out of a node, consider transparency.
 */
private static Image createImage(Node node) {
    SnapshotParameters parameters = new SnapshotParameters();
    parameters.setFill(Color.TRANSPARENT);

    int imageWidth = (int) node.getBoundsInLocal().getWidth();
    int imageHeight = (int) node.getBoundsInLocal().getHeight();

    WritableImage image = new WritableImage(imageWidth, imageHeight);

    Async.startFX(() -> {
        node.snapshot(parameters, image);
    }).await();

    return image;
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
 * Converts an unicode char to an Image using the FontAwesome font.
 * <p/>
 * <p>
 * Based on the code presented here: <a href=
 * "http://news.kynosarges.org/2014/01/07/javafx-text-icons-as-images-files/">
 * javafx-text-icons-as-images-files </a>
 * </p>
 *
 * @param unicode
 *          The String with the unicode which will be turned into an image.
 * @param color
 *          The color of the font.
 * @param size
 *          The size of the image.
 * @return An Image with the unicode char converted to an image.
 */
public static Image generate(String unicode, Paint color, int size) {
  Font newFont;
  if (size == SIZE) {
    newFont = FONT;
  } else {
    InputStream fontIS = FontAwesomeImageCreator.class.getResourceAsStream("/fonts/fontawesome-webfont.ttf");
    newFont = Font.loadFont(fontIS, size);
  }
  final Canvas canvas = new Canvas(size, size);
  final GraphicsContext gc = canvas.getGraphicsContext2D();
  gc.setFill(color);
  gc.setFont(newFont);
  gc.setTextAlign(TextAlignment.CENTER);
  gc.setTextBaseline(VPos.CENTER);
  gc.fillText(unicode, size / 2, size / 2);

  final SnapshotParameters params = new SnapshotParameters();
  params.setFill(Color.TRANSPARENT);
  return canvas.snapshot(params, null);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
public static void saveAllDigits() {
	Stage stage = new Stage(StageStyle.TRANSPARENT);
	DigitTemplate root = new DigitTemplate();
	Scene scene = new Scene(root);
	stage.setScene(scene);
	stage.show();

	SnapshotParameters snapshotParams = new SnapshotParameters();
	snapshotParams.setFill(Color.TRANSPARENT);
	root.digit.setText("-");
	for (int i = 0; i <= 10; i++) {
		WritableImage image = root.digit.snapshot(snapshotParams, null);

		File file = new File("src/" + IconFactory.RESOURCE_PATH + "/img/common/digits/" + root.digit.getText() + ".png");

		try {
			ImageIO.write(SwingFXUtils.fromFXImage(image, null), "png", file);
		} catch (IOException e) {
			e.printStackTrace();
		}
		root.digit.setText("" + i);
	}

	stage.close();
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
private Node createPopupItem(final GalleryItem item)
{
    SnapshotParameters snapshotParameters = new SnapshotParameters();
    snapshotParameters.setFill(Color.TRANSPARENT);

    Image image = item.getGraphic().snapshot(snapshotParameters, null);
    ToggleButton button = new ToggleButton(item.getName());
    button.setContentDisplay(ContentDisplay.TOP);
    button.setGraphic(new ImageView(image));

    button.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent event) {
            gallery.setSelectedItem(item);
        }
    });

    buttonGroup.getToggles().add(button);

    galleryItemButton.put(item, button);

    return button;
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
 * ノードの内容をPNGファイルとして出力します
 *
 * @param ndoe ノード
 * @param title タイトル及びファイル名
 * @param own 親ウインドウ
 */
public static void storeSnapshot(Node node, String title, Window own) {
    try {
        FileChooser chooser = new FileChooser();
        chooser.setTitle(title + "の保存");
        chooser.setInitialFileName(title + ".png");
        chooser.getExtensionFilters().addAll(
                new ExtensionFilter("PNG Files", "*.png"));
        File f = chooser.showSaveDialog(own);
        if (f != null) {
            SnapshotParameters sp = new SnapshotParameters();
            sp.setFill(Color.WHITESMOKE);
            WritableImage image = node.snapshot(sp, null);
            try (OutputStream out = Files.newOutputStream(f.toPath())) {
                ImageIO.write(SwingFXUtils.fromFXImage(image, null), "png", out);
            }
        }
    } catch (Exception e) {
        alert(AlertType.WARNING, "画像ファイルに保存出来ませんでした", "指定された場所へ画像ファイルを書き込みできませんでした", e, own);
    }
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
public static Image justResize(Canvas canvas) {
    SnapshotParameters params = new SnapshotParameters();
    params.setFill(Color.TRANSPARENT);

    PixelReader reader = canvas.snapshot(params, null).getPixelReader();

    double canvasWidth = canvas.getWidth();
    double canvasHeight = canvas.getHeight();

    int startX = getStartX(reader, canvasWidth, canvasHeight);
    int startY = getStartY(reader, canvasWidth, canvasHeight);
    int endX = getEndX(reader, canvasWidth, canvasHeight);
    int endY = getEndY(reader, canvasWidth, canvasHeight);

    //何も描かれていないキャンバス
    if (startX == 0 && startY == 0 && endX == 0 && endY == 0) {
        return null;
    }

    return new WritableImage(reader, startX, startY, endX - startX, endY - startY);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
@FXML
public void onCopyClicked() {
    WritableImage wim = new WritableImage(canvasWidth, canvasHeight);
    SnapshotParameters params = new SnapshotParameters();
    params.setFill(Color.TRANSPARENT);
    canvas.snapshot(params, wim);
    copyImageToClipboard(wim);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
@Override
public WritableImage toWritableImage(Rectangle2D viewport)
{
	SnapshotParameters params = new SnapshotParameters();
	params.setViewport(viewport);
	params.setFill(Color.TRANSPARENT);
	return this.snapshot(params, null);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
* test Node.snapshot with SnapshotParameters
*/
   @Test
   public void SnapshotWithParametersTest_fill() throws InterruptedException {

       SnapshotParameters param = new SnapshotParameters();
       param.setFill(new LinearGradient(0, 0, 1, 2, true, CycleMethod.REPEAT, new Stop[]{new Stop(0, Color.AQUA), new Stop(0.5f, Color.RED)}));
       testCommon(Pages.DropShadow.name(),"fill", param);
   }
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
public static Image buildImage(IconCode iconCode, Number size, Paint fill, Paint stroke) {
    IconNode iconNode = new IconNode();
    iconNode.setIconCode(iconCode);
    iconNode.setIconSize(size);
    iconNode.setFill(fill);
    iconNode.setStroke(stroke);
    Group group = new Group(iconNode);
    new Scene(group);
    SnapshotParameters parameters = new SnapshotParameters();
    parameters.setFill(Color.TRANSPARENT);
    return group.snapshot(parameters, null);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
protected static Image createDragImage(FxDockPane client)
{
	SnapshotParameters sp = new SnapshotParameters();
	sp.setFill(Color.TRANSPARENT);
	
	WritableImage im = client.snapshot(sp, null);

	if(client.isPaneMode())
	{
		return im;
	}
	
	// include selected tab
	FxDockTabPane tp = (FxDockTabPane)DockTools.getParent(client);
	Node n = tp.lookup(".tab:selected");
	WritableImage tim = n.snapshot(sp, null);
	
	double dy = tim.getHeight();
	
	// must adjust for the tab
	deltay += dy;
	
	double w = Math.max(im.getWidth(), tim.getWidth());
	double h = im.getHeight() + dy;
	Canvas c = new Canvas(w, h);
	GraphicsContext g = c.getGraphicsContext2D();
	g.drawImage(tim, 0, 0);
	g.drawImage(im, 0, dy);
	return c.snapshot(sp, null);
}
 

import javafx.scene.SnapshotParameters; //导入方法依赖的package包/类
/**
 * キャラクターの画像を取得します(装飾無し、バックグラウンドでのロード)
 *
 * @param chara キャラクター
 * @return 艦娘の画像
 * @throws IllegalStateException このメソッドがJavaFXアプリケーション・スレッド以外のスレッドで呼び出された場合
 */
public static Image getBackgroundLoading(Chara chara) throws IllegalStateException {
    Image img = ShipImage.getBackgroundLoading(chara);
    if (img != null) {
        return img;
    }
    Canvas canvas = new Canvas(160, 40);
    SnapshotParameters sp = new SnapshotParameters();
    sp.setFill(Color.TRANSPARENT);
    return canvas.snapshot(sp, null);
}