[4560] in java-interest
Problems with my ImageObserver from within a thread.
daemon@ATHENA.MIT.EDU (Michael Mehrle)
Sat Jan 6 01:04:26 1996
Date: Fri, 5 Jan 1996 20:14:19 -0700
To: beta@natural.com, java-interest@java.Eng.Sun.COM
From: michael@w3media.com (Michael Mehrle)
Everytime I try to compile this thread (via the Roaster compiler - not the
Roaster), I get this error message:
Error: Incompatible type. Explicit cast needed to convert ThreadContr to
java/awt/image/ImageObserver
ThreadController.java line 40
I don't get it, since "ThreadContr" is an applet, hence providing the
ImageObserver needed.
For all the Roaster folks: If I use the javac compiler instead of the
Roaster, it compiles okay, but dumps my system if I try to run it via the
Applet Runner.
Obviously I can't *cast* an applet into an ImageObserver (or can I?), what
should I do?
class ThreadOne extends Thread {
int i;
ThreadContr b;
Graphics g;
public ThreadOne(ThreadContr a)
{
b=a;
i=0;
g=b.getGraphics();
}
public void run()
{
while(true)
{
g.drawImage(b.m[i],10,20,b); // This is line 40
i++ ;
if ( i== 17)
i=0;
}
}
}
\\///
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