Re: about tools.jar and jpeg replacements

[Adam Megacz <megacz at cs dot berkeley dot edu>]

Long term I would really like to see classpath/libgcj move away from a
native libjava towards this:

  http://answers.google.com/answers/threadview?id=28781

(scroll to the end).  You wouldn't believe how hard it was to find a
pure Java JPEG *decoder* under any sort of visible-source license.

  - a



Albert <albert@pensament.net> writes:
> I'm a new user of the gcj and I wonder what is the replacement for the 
> tools.jar that java programs can use to compile classes (such as ant, or 
> ImageJ), and the jpeg utilities.
>
> My target is to compile the public domain ImageJ 
> ( http://rsb/info.nih.gov/ij/ ) program with gcj. At the moment I'm getting 3 
> errors, and they have to do with the Compiler class and the JPEG encoder 
> classes:
>
> ij/plugin/Compiler.java:16: error: Type ‘sun.tools.javac.Main’ not found in 
> declaration of field ‘javac’.
> ? ? ? ? private static sun.tools.javac.Main javac;
> ? ? ? ? ? ? ? ? ? ? ? ? ? ^
> ij/plugin/JpegWriter.java:40: error: Type ‘JPEGImageEncoder’ not found in the 
> declaration of the local variable ‘encoder’.
> ? ? ? ? ? ? ? ?JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(f);
> ? ? ? ? ? ? ? ?^
> ij/plugin/JpegWriter.java:41: error: Type ‘JPEGEncodeParam’ not found in the 
> declaration of the local variable ‘param’.
> ? ? ? ? ? ? ? ?JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
>
>
> I can of course just obliterate any jpeg stuff from the program and disable 
> the compilation of plugins, but this is most undesirable. I anyone knows if 
> replacements exist for these two, please let me know.
>
> Albert
> -- 
> Albert Cardona
> Molecular Cell Developmental Biology
> University of California Los Angeles
> Tel +1 310 2067376
> Programming: http://www.pensament.net/java/
> Research: http://www.mcdb.ucla.edu/Research/Hartenstein/
> Web design: http://www.pixelets.com
>
>

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