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hi i want to draw a oval in the center of JPanel
i wrote this code:

Java
public void paintComponent(Graphics g) {

    super.paintComponent(g);

    int width=getWidth()/2;
    int height=getHeight()/2;

    g.drawOval(width, height, 100,100);
}


and added the JPanel to JFrame with JFrame add method,
but the oval doesn't appear in center of Jpanel?
how can i draw a shape in center of panel?
Posted
Updated 15-Aug-11 4:19am
v2

1 solution

In your calculations you need to take the width and height of the oval into consideration. Thus your top point is calculated as:
Java
int top = (getHeight() - ovalHeight) / 2;
// same for width
   
Comments
Reza Oruji 14-Aug-11 14:13pm
   
why,unless the drawOval two first arguments are not the oval's center position?
Richard MacCutchan 14-Aug-11 14:15pm
   
Read the documentation to check all requirements.

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