Jpeg calculating max size

Posted by Doodle on Stack Overflow See other posts from Stack Overflow or by Doodle
Published on 2010-04-29T03:56:04Z Indexed on 2010/04/29 4:07 UTC
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java

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applet

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jpeg

I have to say the I don't know much about how file formats work. My question is say I have a jpeg file that is 200 px by 200 px, how can one calculate what the maximum size that file could be in terms of megabytes/bytes?

I think that the reasoning that led to the question will help some one answer me. I have a Java Applet the uploads Images that people draw with it to my server. I need to know what the max size that this file can conceivably reach. It is always going to be 200x200.

It sounds dumb but are there colors that take more byte size then others and if so what is the most expensive one?

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