From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <14ec7b180608271046n4a75301ak11d8032b7d078865@mail.gmail.com> Date: Sun, 27 Aug 2006 11:46:20 -0600 From: "andrey mirtchovski" To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu> Subject: Re: Re: [9fans] shrinking an Image? In-Reply-To: <200608271734.k7RHYVl22017@demeter.cs.utwente.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200608271734.k7RHYVl22017@demeter.cs.utwente.nl> Topicbox-Message-UUID: a87ce872-ead1-11e9-9d60-3106f5b1d025 i seem to remember tojpg and friends doing a floyd-steinberg error diffusion to downsample to 8bpp by default. see the difference in these two (rather old) screenshots, the first taken with topng, the second most likely from a running drawterm: http://pages.cpsc.ucalgary.ca/~mirtchov/screenshots/scr-plan9.png http://pages.cpsc.ucalgary.ca/~mirtchov/screenshots/scr-1.png the acme titles experience the most obvious deviation.