From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodolfo Giometti Date: Wed, 18 Jul 2007 17:32:55 +0200 Subject: [U-Boot-Users] [RFC] Splash image In-Reply-To: <469E243D.3060309@smiths-aerospace.com> References: <20070718083012.GE4836@enneenne.com> <20070718135815.GF4836@enneenne.com> <469E243D.3060309@smiths-aerospace.com> Message-ID: <20070718153254.GJ25573@enneenne.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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