From: Harald Koenig <koenig@tat.physik.uni-tuebingen.de>
To: Hans Hagen <pragma@wxs.nl>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>,
Harald Koenig <koenig@tat.physik.uni-tuebingen.de>
Subject: Re: shrink JPGs to some resolution (dpi) ?
Date: Tue, 10 Mar 2015 02:33:16 +0100 [thread overview]
Message-ID: <20150310013315.GA8706@hl.fritz.box> (raw)
In-Reply-To: <54FE3819.4030805@wxs.nl>
On Mar 10, Hans Hagen wrote:
> anyway, i need to think a bit about it but we do have all the info
> available, like
>
> - needed width/height
> - original width/height
>
> and from that we can calculate some conversion parameters
if you start thinking/working on this, some data from EXIF
might be interesting and helpful too, esp. the "Orientation".
using that data, automatic rotation to the "correct" orientation
would be possible.
maybe there are more interesting information in the exif data?!
what about color space infos ?
or time stamps or GPS data which might be used to be typeset...
> if it would help you i can provide a tracker that will save info
> like this (per image):
that would be great as my current \message{} stuff is far from being perfect...
Harald
--
"I hope to die ___ _____
before I *have* to use Microsoft Word.", 0--,| /OOOOOOO\
Donald E. Knuth, 02-Oct-2001 in Tuebingen. <_/ / /OOOOOOOOOOO\
\ \/OOOOOOOOOOOOOOO\
\ OOOOOOOOOOOOOOOOO|//
\/\/\/\/\/\/\/\/\/
Harald Koenig // / \\ \
koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^
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next prev parent reply other threads:[~2015-03-10 1:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-09 21:12 Harald Koenig
2015-03-09 21:47 ` Aditya Mahajan
2015-03-09 23:33 ` Harald Koenig
2015-03-10 0:05 ` Hans Hagen
2015-03-09 21:50 ` Alan BRASLAU
2015-03-09 22:10 ` luigi scarso
2015-03-09 22:25 ` Hans Hagen
2015-03-09 23:18 ` Harald Koenig
2015-03-10 0:17 ` Hans Hagen
2015-03-10 1:33 ` Harald Koenig [this message]
2015-03-10 6:34 ` Henning Hraban Ramm
2015-03-10 11:12 ` Hans Hagen
2015-03-09 21:54 ` Pablo Rodriguez
2015-03-10 6:44 ` Peter Münster
2015-03-10 7:43 ` Harald Koenig
2015-03-10 9:08 ` Peter Münster
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