Board index » delphi » REQ: Pascal Compression Source Code.

St...@dden.demon.co.uk (Stephen J. Thompson)

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

REQ: Pascal Compression Source Code.

I am looking for pascal compression source code preferablly without
assembler code in it.

Can anyone please help.

Thanks,.

Stephen.

 
Kim Robert Bl

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

Re:REQ: Pascal Compression Source Code.


St...@dden.demon.co.uk (Stephen J. Thompson) once said:

Quote
>I am looking for pascal compression source code preferablly without
>assembler code in it.

>Can anyone please help.

Compression is rather complicated. What kind of data do you want to compress?
Exe files? Text files? Graphics? If this is your first ever compression attempt,
try to do a altavistasearch on "+byterun +pascal +source" .

--
 Kim Robert Blix  ( kb...@sn.no  &  http://home.sn.no/~kblix )

 "How do you shoot the devil in the back?"
 "What if you miss?" -Verbal Kint
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Stephen J. Thomps

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

Re:REQ: Pascal Compression Source Code.


On Sun, 15 Jun 1997 23:17:29 GMT, kb...@sn.no (Kim Robert Blix) wrote:

Quote
>St...@dden.demon.co.uk (Stephen J. Thompson) once said:

>>I am looking for pascal compression source code preferablly without
>>assembler code in it.

>>Can anyone please help.

>Compression is rather complicated. What kind of data do you want to compress?
>Exe files? Text files? Graphics? If this is your first ever compression attempt,
>try to do a altavistasearch on "+byterun +pascal +source" .

>--
> Kim Robert Blix  ( kb...@sn.no  &  http://home.sn.no/~kblix )

> "How do you shoot the devil in the back?"
> "What if you miss?" -Verbal Kint
>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Sorry,

What I am looking for is a generic looseless compresion source.

Thanks,

Stephen.

Dr E. Buxbau

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

Re:REQ: Pascal Compression Source Code.


St...@dden.demon.co.uk (Stephen J. Thompson) wrote:

Quote
>What I am looking for is a generic looseless compresion source.

There are several snippets on this in the SWAG library. I also have
something called "PRESKIT" on my maschine at home, but I forgott were
I troffed it from. Do a search with that keyword, if SWAG does not
satisfy your need. A simple Huffman system in Pascal was described in Byte
magazine way back in 1984 or '85.
A.A. Olowofoye

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

Re:REQ: Pascal Compression Source Code.


Stephen J. Thompson (St...@dden.demon.co.uk) wrote:
: I am looking for pascal compression source code preferablly without
: assembler code in it.

Check the FREE "ChiefLZ" (LZSS) compression package (with full sources) on
my homepage. It supports TP7/BP7/BPW, Delphi 1 and Delphi 2. It does
however contain ASM code (also converted into 32-bit ASM for Delphi 2).

Best regards, The Chief
--------
Dr. A{*word*73}la A. Olowofoyeku (The African Chief)
Email: la...@keele.ac.uk
Author of: Chief's Installer Pro 3.60 for Win16 and Win32:
           Winner of PC PLUS Magazine Gold Award (April 1995 U.K. edition)
           http://ourworld.compuserve.com/homepages/African_Chief/
           ftp://ftp.simtel.net/pub/simtelnet/win3/install/chief360.zip  

Kim Robert Bl

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

Re:REQ: Pascal Compression Source Code.


St...@dden.demon.co.uk (Stephen J. Thompson) once said:

Quote
>Sorry,

>What I am looking for is a generic looseless compresion source.

Oh.. hehe, Then I dont think I'll be much help :)

Quote
>Thanks,
>Stephen.

--
 Kim Robert Blix  ( kb...@sn.no  &  http://home.sn.no/~kblix )

 "How do you shoot the devil in the back?"
 "What if you miss?" -Verbal Kint
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Eyal Doro

Delphi Developer
Wed, 18 Jun 1902 08:00:00 GMT

Re:REQ: Pascal Compression Source Code.


Quote
Stephen J. Thompson wrote:

> I am looking for pascal compression source code preferablly without
> assembler code in it.

I believe SWAG has several such algorithms. I myself use the LZSS method
from SWAG. It works very well, but it does contain assembler. Note that
LZW is copyrighted by Unisys, and so might be problematic.

Eyal Doron

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