Re: xTalk JPEG parser?

[Frank Leahy]

On Monday, February 9, 2004, at 06:47  AM, 
[EMAIL PROTECTED] wrote:

> From: UDI <[EMAIL PROTECTED]>
> Subject: Re: xTalk JPEG parser?
> To: How to use Revolution <[EMAIL PROTECTED]>
> Message-ID: <[EMAIL PROTECTED]>
> Content-Type: text/plain; charset="ISO-2022-JP"
>
> Stephen Quinn Barncard wrote 04.2.8 09:41 PM：
>> ?? If it was not difficult, then how can it be troublesome? Please
>> explain! Does it not work reliably? I mean it works or it doesn't!!
>
> Sorry, My English is very clumsy.
>

No, I'd say it's quite good actually.


> Work is very simple.
>  get first offset
>  get first marker by the offset
>  repeat
>   If the marker is a thing for the purpose, take out data
>   else, take out an offset after a marker
>   get the next marker by the offset
>  end repeat
>
> You have to grasp kind of markers.
> Work itself is very simple. But it takes trouble very much.
>

I agree, it is relatively straightforward, but requires some clever 
coding to catch all the possible error conditions.

Your code gives me a good starting point, thank you.  When I finish, 
I'll post it for everyone to use.

-- Frank

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