From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] shrinking an Image?
Date: Sun, 27 Aug 2006 10:09:51 -0500 [thread overview]
Message-ID: <de2d06a04a48bcc79c109c36edf15cf4@quanstro.net> (raw)
In-Reply-To: <d0a044e00bbf15ec356cf6c6329a77f1@proxima.alt.za>
in light of russ' comment, could it be that you are not using the -t
option for jpg? the default for jpg/png/etc is to downsample to 8 bits.
page actually uses "-t9" as it's options. i've been burned by this
many times. perhaps jpg should default to depth 24 when being
used as a filter.
- erik
On Sun Aug 27 02:55:23 CDT 2006, lucio@proxima.alt.za wrote:
> > would resample(1) do?
>
> I find that resample(1) is not visually as faithful as (even?)
> page(1)'s built-in resizer. I have not explored the possible causes,
> however. For JPEG and 2, 4, 8 times resizing (shrinking) I find the
> cjpeg | djpeg combination to be preferable.
next prev parent reply other threads:[~2006-08-27 15:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-26 21:13 Axel Belinfante
2006-08-26 21:21 ` andrey mirtchovski
2006-08-27 7:51 ` lucio
2006-08-27 14:37 ` Russ Cox
2006-08-27 16:45 ` lucio
2006-08-27 15:09 ` erik quanstrom [this message]
2006-08-27 16:46 ` lucio
2006-08-27 17:34 ` Axel Belinfante
2006-08-27 17:46 ` andrey mirtchovski
2006-08-27 18:22 ` erik quanstrom
2006-08-28 22:17 ` Steve Simon
2006-08-28 23:07 ` erik quanstrom
2006-08-27 17:20 ` Axel Belinfante
2006-08-26 21:22 ` Federico Benavento
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