我有 3 个使用网格窗格定位的颜色选择器,我也在使用画布。但问题是,画布将网格窗格推到屏幕底部。因此,如果我使用root.add(HeadColor, 0, 1);
(将第一个颜色选择器添加到第 0 列和第 1 行的网格窗格中)颜色选择器将自身定位在屏幕中间的某个位置,因为网格窗格从网格窗格下方开始。所以我的问题是,如何将网格窗格放置在画布顶部,或将颜色选择器放置在画布顶部?
我使用的代码:
package gui;
import display.Image;
import java.awt.Button;
import java.io.IOException;
import java.util.logging.*;
import javafx.application.Application;
import javafx.event.*;
import javafx.geometry.*;
import javafx.scene.Scene;
import javafx.scene.canvas.*;
import javafx.scene.control.ColorPicker;
import javafx.scene.layout.*;
import javafx.scene.layout.VBox;
import javafx.scene.paint.*;
import javafx.scene.text.Font;
import javafx.stage.Stage;
public class JavaFXColorPicker extends Application {
private Image head;
private Image heart;
ColorPicker HeadColor = new ColorPicker();
ColorPicker BodyColor = new ColorPicker();
ColorPicker LegColor = new ColorPicker();
@Override
public void start(Stage primaryStage) throws IOException {
GridPane root = new GridPane();
final Canvas canvas = new Canvas(200,300);
Scene scene = new Scene(root, 500, 400, Color.BLACK);
GraphicsContext gc = canvas.getGraphicsContext2D();
root.setHgap(10);
root.setVgap(10);
root.setPadding(new Insets(10, 30, 30, 30));
HeadColor.setOnAction(new EventHandler(){
@Override
public void handle(Event event) {
Color HeadPaint = HeadColor.getValue();
Color[] HeadColorArray = new Color[]
{
new Color(0 , 0, 0, 1),
HeadPaint,
HeadPaint,
HeadPaint,
HeadPaint,
new Color(1, 1, 1, 1) // de ogen
};
try {
head = new display.Image(display.Parts.playerHead);
} catch (IOException ex) {
Logger.getLogger(JavaFXColorPicker.class.getName())
.log(Level.SEVERE, null, ex);
}
head.recolour(HeadColorArray);
Image i = head;
gc.drawImage(i.show(), 200, 100);
}
});
root.getChildren().add(canvas);
root.add(HeadColor, 0, 1);
root.add(BodyColor, 0, 2);
root.add(LegColor,0,3);
primaryStage.setTitle("Customize Character!");
primaryStage.setScene(scene);
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}