我在使用CellFactory在TableView中呈现SVG图像时遇到问题。
我在这里使用此代码,但它不起作用,svg图像已缩放,但它没有调整大小。
import javafx.application.Application;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.HBox;
import javafx.scene.shape.SVGPath;
import javafx.scene.shape.Shape;
import javafx.stage.Stage;
public class SVGTable extends Application {
private ObservableList<SVGExample> examples;
public static void main(String[] args) {
launch(args);
}
public SVGTable() {
examples = FXCollections.observableArrayList();
examples.addAll(new SVGExample(289),
new SVGExample(42),
new SVGExample(120));
}
@Override
public void start(Stage primaryStage) throws Exception {
AnchorPane pane = new AnchorPane();
Scene scene = new Scene(pane);
TableView<SVGExample> tableView = new TableView<>();
tableView.setMinWidth(500);
tableView.setMinHeight(400);
tableView.setItems(examples);
final TableColumn<SVGExample, Integer> ping = new TableColumn<>("Ping");
ping.setCellValueFactory(new PropertyValueFactory<>("ping"));
ping.setCellFactory(param -> new PingCell());
tableView.getColumns().add(ping);
pane.getChildren().add(tableView);
primaryStage.setScene(scene);
primaryStage.show();
}
public class SVGExample {
private final IntegerProperty ping = new SimpleIntegerProperty();
public SVGExample(int ping) {
setPing(ping);
}
public int getPing() {
return ping.get();
}
public IntegerProperty pingProperty() {
return ping;
}
public void setPing(int ping) {
this.ping.set(ping);
}
}
public class PingCell extends TableCell<SVGExample, Integer> {
private HBox hBox = new HBox();
private Label label;
private int oldValue;
private PingCell() {
label = new Label();
hBox.setAlignment(Pos.CENTER_LEFT);
oldValue = Integer.MIN_VALUE;
}
@Override
protected void updateItem(final Integer item, final boolean empty) {
if (item != null) {
label.setText(item + "ms");
int i = (item + 50) / 100;
if (i < 1)
i = 1;
if (4 < i)
i = 4;
if (i != oldValue) {
SVGPath svgPath1 = new SVGPath();
svgPath1.setContent("M149.2,8.3L127-13.9c42.4-42.4,98.7-65.8,158.5-65.8c59.8,0,116.1,23.4,158.5,65.8L421.8,8.3c-36.5-36.5-84.9-56.6-136.3-56.6C234.1-48.2,185.7-28.1,149.2,8.3z");
SVGPath svgPath2 = new SVGPath();
svgPath2.setContent("M190.9,50.1l-22.2-22.2C200-3.4,241.4-20.6,285.5-20.6c44.1,0,85.5,17.2,116.8,48.4l-22.2,22.2c-25.3-25.3-58.9-39.2-94.6-39.2C249.8,10.8,216.2,24.8,190.9,50.1z");
SVGPath svgPath3 = new SVGPath();
svgPath3.setContent("M232.7,91.8l-22.2-22.2c20.1-20.1,46.7-31.1,75-31.1s55,11.1,75,31.1l-22.2,22.2c-14.1-14.1-32.9-21.9-52.8-21.9C265.6,69.9,246.8,77.7,232.7,91.8z");
SVGPath svgPath4 = new SVGPath();
svgPath4.setContent("M285.5,98.1c-12.8,0-24.5,5.2-32.9,13.6l32.9,32.9l32.9-32.9C310,103.3,298.3,98.1,285.5,98.1z");
Shape s = SVGPath.union(SVGPath.union(SVGPath.union(svgPath1, svgPath2), svgPath3), svgPath4);
s.setScaleX(0.1);
s.setScaleY(0.1);
hBox.getChildren().clear();
hBox.getChildren().addAll(s, label);
}
setGraphic(hBox);
}
}
}
}
跑完后,它看起来像这样:
答案 0 :(得分:0)
您可以将Shape包装在一个组中以强制重新设置布局边界大小。
hBox.getChildren().addAll(new Group(s), label);
缩放是一种变换,根据Javadocs:
应用于组的任何变换,效果或状态都将应用于该组的所有子项。此类变换和效果不会包含在此组的布局边界中,但是如果直接在此组的子项上设置变换和效果,则这些变换和效果将包含在此组的布局边界中。