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Repaint Jpanel Not Working


If you set the background color of a component, be sure the color has no transparency if the component is supposed to be opaque. You might compare what you're doing to this example that does dynamic GridBagLayout. The usual way to do custom painting is to subclass the relevant component -- "JPanel" in your case -- and override its "paintComponent()" method. However if I call one of the methods that modify the rectangle, then the image change is visible.

g2d.setPaint(c); rec.setRect(LEVEL_X, level_y, LEVEL_WIDTH, level_height); g2d.draw(rec); g2d.fill(rec); } I don't understand your question, but if you mean the constructor, here it is... merlin bar Ranch Hand Posts: 54 posted 13 years ago That is strange. Join them; it only takes a minute: Sign up Swing JPanel wont repaint up vote 7 down vote favorite 1 I have a simple object which extends JPanel, when the update() All rights reserved Home Forums Articles Badges Privacy Policy Support Sitemap Newsletter Signup Free Web Developer Tools

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Java Repaint Not Calling Paintcomponent

This is probably the muddiest bit of Java's rendering cycle. Assumed that you are calling the method somehow like in this main sample: public static void main(String[] args) { Class4 c = new Class4(); c.mainMethod(0); c.mainMethod(5); } Then, your code is now I set a new size of myPanel. Like Show 0 Likes(0) Actions 12.

Re: force the repaint of a JPanel 843853 Jul 12, 2004 3:09 AM (in response to 843853) sorry, just noticed the attention getting "after". Please enter a title. show me where can be visible, or update code –user529543 Jun 5 '13 at 12:18 add a comment| up vote 2 down vote I'm having trouble seeing exactly what you're looking Java Swing Repaint Why doesn't my revalidate and repaint work?

I have to minimize the form and then restore it again to see the changes. Jpanel Repaint Example merlin bar Ranch Hand Posts: 54 posted 13 years ago /** * Draw the tank image and paint the rectangular fill to whatever the current level is. * This method should But I don't know the rest of the code. active rendering is a common technique used in games.

Why do governments not execute or otherwise permanently contain super villains? Swing Repaint Not Working It basically tells the GUI, "I'd like to be redrawn, but only when it's convenient for you." So the square won't repaint until something happens in the native GUI that's important If so, don't invoke setBorder on the component. and if I press UP it do the other way around, the problem is sometimes when i ...26.JPanel repaint(): what does it do inside?coderanch.comHi, I have no problem using repaint().

Jpanel Repaint Example

Do Deadeye or Tactical Visor target an invisible Sombra? Programs may trigger a future call to paint() by invoking repaint(), but shouldn't call paint() directly. ... Java Repaint Not Calling Paintcomponent repaint(); try { Thread.sleep(ms); } catch (Exception e) { e.printStackTrace(); } ... Java Jpanel Repaint However, I have just realized that the problem also exists for just one JPanel, so I think I'd better explain a little further (It was late last night I have a

Create them through the constructor. Each image icon has an image. Re: force the repaint of a JPanel 843853 Mar 16, 2004 6:56 AM (in response to 843853) using swing for animation, that is brave!! Problem: I'm using the exact same code as a tutorial example, but it doesn't work. Repaint Not Working Java

merlin bar Ranch Hand Posts: 54 posted 13 years ago Hi, I have a JPanel with and Image img, and a Rectangle2D rec. I want the object to repaint() itself after I update the int[][] variable inside it. I don't know much about swing. share|improve this answer edited Jan 28 '10 at 15:18 answered Jan 28 '10 at 15:11 Chris Kannon 3,23231731 I just tried removing the repaint() statement and changed validate() to

But the problem is that when this Frame or panel is hidden or minimized,all the drawings are removed due to repaint of panel. Painting In Awt And Swing Good Luck, Avi. Now, I have added the feature to be able to delete ...33.JPanel not being There, I have been developing a program in which when the user clicks a button my


They don't stay painted, ...4.How to repaint a JPanel after have drawn on it?stackoverflow.comOK this is my problem. Oh, and would you please use code-tags when posting source code? Register Lost Password? Java Force Repaint Immediately What's up is that I have an outer JPanel with a board game image, and an inner JPanel with the location menus, next ...8.Java JFrame & JPanel Differences with Repaint()stackoverflow.comI have

In other words, it only get painted if there is time to... See java.awt.Container.add() for more information. Is this what you're looking for? All rights reserved.

The thing is that it paints the initial grid, but once the user choses a grid size from the JComboBox and clicks the button, nothing happens. To make components such as JLabels and GTK+ JPanels opaque, you must invoke setOpaque(true) on them. You get into your car and start the engine.