Brian Jones <[EMAIL PROTECTED]> wrote on Fri, 12 Sep 2003 08:58:29 -0400:
>Sascha Brawer <[EMAIL PROTECTED]> writes:
>
>> package java.awt;
>>
>> import java.awt.Toolkit;
>> import gnu.java.awt.ClasspathToolkit;
>>
>> public abstract class GraphicsEnvironment
>> {
>> private static GraphicsEnvironment localGraphicsEnvironment;
>>
>> public static synchronized getLocalGraphicsEnvironment()
>> {
>> if (localGraphicsEnvironment == null)
>> {
>> ClasspathToolkit ctk;
>>
>> ctk = (ClasspathToolkit) Toolkit.getDefaultToolkit();
>> localGraphicsEnvironment = ctk.getLocalGraphicsEnvironment();
>> }
>>
>> return localGraphicsEnvironment;
>> }
>> }
>
>I think you can store the reference as a Toolkit only. What parts of
>our code would rely upon having a ClasspathToolkit with the additional
>Font related stuff?
You mean "storing" in the local variable ctk? One also could write
localGraphicsEnvironment =
((ClasspathToolkit) Toolkit.getDefaultToolkit())
.getLocalGraphicsEnvironment();
but this seems a bit less legible. The cast is needed because the method
to create a concrete GraphicsEnvironment is introduced by
ClasspathToolkit, not by Toolkit.
-- Sascha
Sascha Brawer, [EMAIL PROTECTED], http://www.dandelis.ch/people/brawer/
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