🚀 go-pugleaf

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Hi, Paul,

Is there anyway I can keep the size fixed?
For example, if I want to keep the 6 JLabels has the same width, but
the strings of these 6 Jlables are different? Thanks.

Hongbo

"Paul Furbacher [TeamB]" wrote:

> David V�squez Estrada wrote:
> >
> > nlaan wrote:
> >
> > > Sorry, my mistake the correct method is used as followed:
> > >
> > > public void paint(Graphics g)
> > > {
> > >     FontMetrics fm = g.getFontMetrics();
> > >
> > >     int width = fm.stringWidth("Hello World");
> > >
> > >     int height = fm.getHeight();
> > > }
> > >
> >
> > Should I override the method paint of "some" kind of class or I can get an
> > instance of the Graphics class, since the graphics class is also an abstract
> > class.
>
> There are a number of ways to get what you want without
> having access to a graphics context as in the example above.
> Assuming a JLabel called 'myLabel':
>
>    FontMetrics fm = myLabel.getFontMetrics(myLabel.getFont());
>
>    int width = fm.stringWidth(myLabel.getText());
>
>    // etc.
>
> You can even grab a graphics context
>
>    Graphics g = myLabel.getGraphics();
>    FontMetrics fm = g.getFontMetrics(myLabel.getFont());
>    // ...
>
> However, when you are done with this, call
>
>    g.dispose();
>
> I forgot about doing this in a library I recently wrote and someone
> wasn't very happy when he found a big memory leak!  Oops, it
> just sort of slipped my mind ....
>
> But don't call 'g.dispose()' in a method which gets its 'g' as a method
> parameter.  You do that, and boom, any code which shares that graphics
> context ends up trying to work with a null pointer.
>
> Paul Furbacher  (TeamB)

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n:Su;Hongbo
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