Color « JPanel « Java Swing Q&A

1. Java2d: JPanel set background color not working stackoverflow.com

I am having the below code.

public VizCanvas(){
    {
        this.setBackground(Color.black);
        this.setSize(400,400);
    }
}

It ...

2. Substance Look and Feel is making my colors brighter? stackoverflow.com

I'm trying to call setBackground on a JPanel, so that it matches the color of my JFrame, but the color is some how brighter than the one I type in. I've have ...

3. why isn't the panel painted? stackoverflow.com

CODE

import javax.swing.*;
import java.awt.*;

class tester {
   public static void main(String args[]) {
     JFrame fr = new JFrame();
     JPanel p = new JPanel();
 ...

4. Changing colour of panel title in Java Swing stackoverflow.com

I am running a Swing application on Win7 using a 144 dpi flatscreen monitor. The titles of my frames, option panes, etc., all appear in white on a transparent background ...

5. Setting the Background color in a panel. coderanch.com

6. Cant able to set Background color for panel.. coderanch.com

Hi to all, I have three panel.. consider panel1 ,panel 2 and panel3 The panel1's & panel2's Layout is Border Layout. The panel2 is added into panel1's Border Layout center.. The panel3 is added into panel2's Border Layout center... Now i was not able to set the background color for panel3.... But if i add the panel3 into panel2's Border Layout ...

7. Using Jpanel and Color coderanch.com

8. Simple GUI program: changing color of a panel. coderanch.com

Hi all, Need your help to sort out the below problem. This is a beginner GUI program - Changing the color of a panel when a button is clicked. This button is in the top panel and the color panel is the bottom one. package Stats; import java.awt.BorderLayout; import java.awt.Color; import java.awt.GradientPaint; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import ...

9. How to retrieve constant for bg-color of a JPanel? coderanch.com

10. JPanel Background Colour coderanch.com

11. change Panel Color java-forums.org

I am having problem in changing color of panel according to user input in JTextField..I dont know what is wrong..please help me.. /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package project_5; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.JFrame; import javax.swing.JTextField; import javax.swing.JPanel; import java.awt.Color; import javax.swing.JLabel; /** * ...

12. Change JPanel background color java-forums.org

import java.awt.Color; import javax.swing.BorderFactory; import javax.swing.JPanel; import javax.swing.JFrame; import javax.swing.SwingUtilities; class ColorFrame extends JPanel { public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { createAndShowGUI(); } }); } private static void createAndShowGUI() { JFrame f = new JFrame("JFrame Demo"); ColorFrame pan = new ColorFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.add(new ColorFrame()); //attempts at changing background color f.setForeground(Color.green); f.setBackground(Color.green); f.getContentPane().setBackground(Color.green); pan.setBackground(Color.yellow); f.pack(); ...

13. JPanel colors don't show java-forums.org

I have written a very simple gui, which I am going to use to build upon. I don't see a problem with my code except that when I run it the colors don't appear. What am I doing wrong? This is my code: JFrame frame = new JFrame(); frame.setSize(250,100); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOS E); JPanel tophalf = new JPanel(); JPanel bottomhalf = new ...

14. background color with jpanel java-forums.org

This is what I have so far and I'm sure it isn't evn close to being right but any help would be great! I've kind of pieced together some code from other projects I've done and written some... does any of it look right? Java Code: import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.*; public class Circle ...

15. swing passwordField to change jPanel background colour java-forums.org

swing passwordField to change jPanel background colour new to java as the title suggests i am attempting to create a swing application with great difficulty but feel im very close, i want to create a door security system where when you enter the password into a passwordField it changes a panel from black to red indicating that the door ...

16. swing passwordField to change jPanel background colour java-forums.org

listen junky heres a few tips back the reason this forum is called NEW TO JAVA is ats it suggests this was my first ever post and its a bit unfair to criticize i could easily have cut out where i was stuck so now with your advice public void actionPerformed(ActionEvent e) { String cmd = e.getActionCommand(); if (OK.equals(cmd)) { //Process ...

17. Getting the hex colour code of a Jpanel background colour forums.oracle.com

18. HELP: Getting the Color from a specific pixel in a JPanel forums.oracle.com

Hello.. Im doing a simple paint-program that is a map maker for a game project in my school. The painting is done on a JPanel with Graphics. When the map is I have to interpret the map so I can save it in our decided format, which means I have to be able to read pixel by pixel through the JPanel ...