Re: [hylafax-users] New Windows client for Hylafax - fax service provider (HylaFSP)

[<sergesandler@optusnet.com.au>]

Lee,

As Windows Fax Service produces a tiff file, there is no reason to convert
it into PostScript before submitting it to the Hylafax.
What does 'it does not formatted properly for the fax session' mean? The
resolution is set up by the command FSP sends to hfaxd.

Regards,

Serge

----- Original Message -----
From: "Lee Howard" <faxguy@howardsilvan.com>
To: <sergesandler@optusnet.com.au>
Cc: <hylafax-users@hylafax.org>
Sent: Wednesday, July 23, 2003 12:33 AM
Subject: Re: [hylafax-users] New Windows client for Hylafax - fax service
provider (HylaFSP)


> On 2003.07.22 06:35 sergesandler@optusnet.com.au wrote:
> > There is a beta version of the fax service provider for Hylafax
> > available at
> > http://members.optusnet.com.au/~hssandler1/.
> >
> > This is a driver in Windows format to make use of Hylafax from Windows
> > 2000/XP FAX Console, "Send Fax" wizard, Outlook or programmatic
> > interface.
> >
> > Please comment on the subject.
>
> Your site states:
>
> "Behind the scene, the fax service renders the document to be sent into
> a tiff file, and the rendering is done with the high quality."
>
> "The above is the motivation for implementing the Fax Service Provider
> (FSP) for HylaFAX to enable to use Windows Fax Service to send faxes
> via HylaFAX. This eliminates, in particular, a need for a PostScript
> printer and for conversion from ps to tif formats (having enhanced
> quality of the image as a side effect)."
>
> I think that you have misunderstood how faxq prepares facsimile
> documents.
>
> There is practically no way that the client program can know what the
> ultimate session parameters (in particular resolution and compression)
> will be, and so it is futile for a client program to attempt to submit
> documents in a format in which it expects them to be transmitted.
>
> If the server receives a TIFF image file and it does not formatted
> properly for the fax session, faxq will convert it to PostScript first
> and then back to TIFF.  This process sometimes causes a bit of image
> distortion... AND, if the resolution is going up, the facsimile will
> appear more "grainy" than it should need to.
>
> My recommendation would be to always submit documents in PostScript,
> which skips the first conversion step mentioned and (assuming all
> embedded graphics are vectorized) allows the image to be rendered at
> any resolution without any image quality loss.
>
> Lee.
>
>
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