From: Rodolfo Giometti <giometti@enneenne.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [RFC] Splash image
Date: Wed, 18 Jul 2007 17:32:55 +0200 [thread overview]
Message-ID: <20070718153254.GJ25573@enneenne.com> (raw)
In-Reply-To: <469E243D.3060309@smiths-aerospace.com>
On Wed, Jul 18, 2007 at 10:31:25AM -0400, Jerry Van Baren wrote:
>
> FWIIW, I took a screenshot, saved it as a 16 bit BMP, then converted the
> BMP as a GIF, JPEG, and a PNG. While very unscientific, this says BMP with
> gzip is a winner for two reasons:
> 1) It is similar in compression ratios to PNG and GIF
> 2) We already know how to gunzip and BMP.
>
> Benchmark:
> 495410 screenshot-16.bmp
>
> 25411 screenshot-16.bmp.gz
> 25875 screenshot-16.PNG
> 37727 screenshot-16.GIF
> 148854 screenshot-16.JPG
>
> (Trivia: I did JPEG because it was there. It is generally a poor choice
> for splash screens because it has artifacts on sharp transitions, which
> splash screens tend to have.)
This seems good! :)
Rodolfo
--
GNU/Linux Solutions e-mail: giometti at enneenne.com
Linux Device Driver giometti at gnudd.com
Embedded Systems giometti at linux.it
UNIX programming phone: +39 349 2432127
next prev parent reply other threads:[~2007-07-18 15:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-18 8:30 [U-Boot-Users] [RFC] Splash image Rodolfo Giometti
2007-07-18 13:40 ` Joey Oravec
2007-07-18 13:58 ` Rodolfo Giometti
2007-07-18 14:31 ` Jerry Van Baren
2007-07-18 15:32 ` Rodolfo Giometti [this message]
2007-07-18 14:47 ` Wolfgang Grandegger
2007-07-18 15:37 ` Rodolfo Giometti
2007-07-18 16:03 ` Wolfgang Grandegger
2007-07-18 16:01 ` Rodolfo Giometti
2007-07-18 16:17 ` Wolfgang Grandegger
2007-07-19 8:36 ` Rodolfo Giometti
2007-07-19 9:47 ` Wolfgang Grandegger
2007-07-19 9:52 ` Rodolfo Giometti
2007-07-19 14:18 ` Rodolfo Giometti
2007-07-19 14:41 ` Wolfgang Grandegger
2007-07-19 14:40 ` Rodolfo Giometti
2007-07-19 7:09 ` Matthias Fuchs
2007-07-19 8:19 ` Wolfgang Grandegger
2007-07-19 8:33 ` Rodolfo Giometti
[not found] <008901c7ca10$f1921a40$d4b64ec0$@com>
2007-07-19 20:30 ` Wolfgang Grandegger
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