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Type: Posts; User: tomadom

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  1. Replies
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    Re: Casting Pointers in C style?

    Both, thanks for the explanations. 2kaud, great explanation on pointers, this will be useful.

    My main aim has been to gain a deeper understanding of the syntax surrounding casts with pointers in...
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    Casting Pointers in C style?

    This is something I'm having allot of trouble with. Casting Pointers in C Programming. I don't want to move onto implicit casts until I have this down pat.

    I'm failing to understand how...
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    Re: LZW decompression?

    It compresses and decompresses simple sentences but runs into trouble when decompressing large amounts of information parsed from a file.
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    Re: LZW decompression?

    I have no doubt it's me, but the decompressed data is coming out about 5% of the size of the compressed data. I'm using the decode function in the LZWCodec Class.

    I don't suppose anyone has used...
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    Re: LZW decompression?

    Yep, got that.. Thanks
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    Re: LZW decompression?

    Thanks.. I think I came across this earlier but couldn't work out if I could decompress with it. Will have to spend a bit of time on this.

    I was using the Rosetta Code implementation in C++...
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    LZW decompression?

    Is there source code for LZW decompression in C++ available? Not C.

    I'm looking for an implementation of the LZW decompression algorithm in C++ which can take an input buffer and not a file. ...
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    Re: Extracting Binary Data?

    Thanks for the effort anyway all. It must be the wording of my posts which causes confusion.

    I found something which helps..So it is the first byte concatenated with the high order bits of the...
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    Re: Extracting Binary Data?

    Thanks for your input.. But I know all this and have done this in my code. I've only provided the relevant bits in my first post just so we didn't get sidelined (of which I must confess, failed...
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    Re: Extracting Binary Data?

    The decompression process is simple. All I meant is that there is not such library as one which will let me read the 8bit data into 12 bit groups. That's all.

    Yes, there's several LZW...
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    Re: Extracting Binary Data?

    Well, I can almost guarantee that there is no such library. There are libraries for processing compressed data of different descriptions but not for processing binary streams.

    When you say...
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    Re: Extracting Binary Data?

    Yes, I actually have a processing solution for this. Can you think of another circumstance where this approach is common?
    If what I'm doing is an isolated case then chances are I'm approaching...
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    Re: Extracting Binary Data?

    Thanks.. I agree with the above. This is what I'm doing but I suppose I was thinking that this is a standard problem. Extracting 8 bit chracters and processing them to form 12bits by concatenation...
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    Extracting Binary Data?

    I don't suppose anyone knows anything about reading stream data from PDF files?

    I'm trying to read stream data from a stream in a pdf file compressed in LZW. My first step is to read this...
  15. Gnuplot - Building on Windows XP using MinGW?

    Has anyone built Gnuplot on Windows XP using MinGW.

    I'm having trouble. I have successfully built all its dependencies butam stuck with the rest.

    When using the provided mingw makefile (and...
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