我可以用设计视图(Eclipse)编辑Java 2D组件吗?
我可以在设计视图中编辑Java2D代码,比如swing和awt组件吗 例如,此线条图:我可以用设计视图(Eclipse)编辑Java 2D组件吗?,java,eclipse,java-2d,Java,Eclipse,Java 2d,我可以在设计视图中编辑Java2D代码,比如swing和awt组件吗 例如,此线条图: import java.awt.BasicStroke; import java.awt.Graphics; import java.awt.Graphics2D; import javax.swing.JFrame; import javax.swing.JPanel; public class Tester extends JPanel { public Tester() { }
import java.awt.BasicStroke;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Tester extends JPanel {
public Tester() {
}
public void paint(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
float[] dash1 = { 2f, 0f, 2f };
g2d.drawLine(20, 40, 250, 40);
BasicStroke bs1 = new BasicStroke(1,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_ROUND,
1.0f,
dash1,
2f);
g2d.setStroke(bs1);
g2d.drawLine(20, 80, 250, 80);
}
public static void main(String[] args) {
Tester points = new Tester();
// Just frame settings
JFrame frame = new JFrame("Line");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(points);
frame.setSize(300, 250);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
这些线在组件中不可见,或者我只能使用代码绘制它们
谢谢您正在使用NetBeans吗?如果是,请在问题的标题、文本和标签中注明。只需更改框架代码,如jframe.add(points);我正在使用eclipse。