Graphics object « Graphics « Java Swing Q&A

1. get Graphics Object coderanch.com

2. Making a Graphics object like the one I get when printing coderanch.com

I'm using the java.awt.print API to print a small string. I implement Printable.print, which receives a reference to a Graphics object. I get the FontMetrics object from the Graphics object and use it's bytesWidth() method to determine the length of the string when rendered with the current font type and size. I would like to get the value returned from bytesWidth() ...

3. graphics object coderanch.com

try this (you may need to click the applet to give it focus, for the key listener to work) import java.awt.*; import java.applet.*; import java.awt.event.*; public class TestApplet extends Applet { Image[] images = new Image[4]; int currentImage = 0; public void init() { getImages(); addKeyListener(new KeyAdapter(){ public void keyPressed(KeyEvent e){ if (e.getKeyCode()==37)//when left arrow is pressed { currentImage--; if(currentImage < ...

4. null pointer while acessing graphics object coderanch.com

Hello All, i have a form which is having a panel within and after panel is initalized i try getting teh graphics object to draw some shapes on teh panel but when i access the object i get null pointer error. public playerDeck() { //Form Constructor initComponents(); // UI initialization where Card Panel get initialized Graphics g = cardPanel.getGraphics(); g.getClip();// null ...

5. Problem in reloading graphics object. coderanch.com

Hi, I am very new to swing and java awt. I am trying an application where I have 2 panels in main container. First panel (p1)contains some data and a button , upon click of button, Second panel (p2) has to draw a graph based on the content of first panel. To draw the graph I am creating another class called ...

6. do I need to dispose of my Graphics object? java-forums.org

Yes you should, you must dispose of the Graphics object here. Even though the variable goes out of scope, I don't think that the system resources that are used by the Graphics object are released unless you explicitly call dispose. Note that on the other hand, should not dispose the Graphics object passed into a paintComponent override. edit: good golly, as ...