From: Warren Young <warren@etr-usa.com>
To: Cygwin Apps List <cygwin-apps@cygwin.com>
Subject: Re: 256x256 px icons
Date: Mon, 15 Aug 2011 18:00:00 -0000 [thread overview]
Message-ID: <4E495E90.50308@etr-usa.com> (raw)
In-Reply-To: <4E493EF1.9070408@cwilson.fastmail.fm>
On 8/15/2011 9:44 AM, Charles Wilson wrote:
> On 8/15/2011 10:33 AM, Warren Young wrote:
>> The hard edges in the original art are causing stair-stepping when doing
>> a direct downsample, though. (Look at the pointy bits.) By blurring
>> the high-res version and then downsampling by a non-integral amount, you
>> can get a much smoother result.
>
> This is only the case if the "downsample" operation used by GIMP, when
> d/s by an integral amount, is to simply pick every Nth pixel. That's
> very fast -- but is not the correct operation (I'd posit a GIMP bug, in
> fact).
Perhaps Gimp did that in the past, but what you're describing is now
Gimp's "None" interpolation mode. Both it and Photoshop have better
resampling modes, but they all give some stair-stepping with hard
diagonal lines if you don't give it a bit of help.
next prev parent reply other threads:[~2011-08-15 18:00 UTC|newest]
Thread overview: 167+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-25 9:12 SETUP: default to mintty Corinna Vinschen
2011-07-25 11:49 ` Andy Koppe
2011-07-25 12:24 ` Corinna Vinschen
2011-07-25 20:18 ` Andy Koppe
2011-07-25 23:42 ` Chris Sutcliffe
2011-07-26 0:10 ` Charles Wilson
2011-07-26 0:20 ` Charles Wilson
2011-07-26 11:02 ` Corinna Vinschen
2011-07-26 12:55 ` 256x256 px icons Warren Young
2011-07-27 7:42 ` Corinna Vinschen
2011-07-27 17:31 ` Warren Young
2011-07-27 20:04 ` Andy Koppe
2011-07-27 21:11 ` Warren Young
2011-07-28 5:50 ` Andy Koppe
2011-07-28 9:09 ` Corinna Vinschen
2011-07-28 10:27 ` Corinna Vinschen
2011-07-28 10:54 ` Corinna Vinschen
2011-07-29 9:15 ` Warren Young
2011-07-29 9:43 ` Corinna Vinschen
2011-07-29 11:26 ` Corinna Vinschen
2011-07-29 14:12 ` Warren Young
2011-07-29 15:22 ` Buchbinder, Barry (NIH/NIAID) [E]
2011-07-29 15:32 ` Warren Young
2011-07-29 16:22 ` Warren Young
2011-07-30 18:34 ` Corinna Vinschen
2011-07-29 20:29 ` Andy Koppe
2011-07-30 18:37 ` Corinna Vinschen
2011-07-30 20:22 ` Andy Koppe
2011-07-31 20:21 ` Andy Koppe
2011-08-01 8:08 ` Corinna Vinschen
2011-08-01 20:05 ` Andy Koppe
2011-08-02 14:50 ` Andy Koppe
2011-08-02 15:25 ` Corinna Vinschen
2011-08-02 15:45 ` Charles Wilson
2011-08-02 16:07 ` Corinna Vinschen
2011-08-03 5:55 ` Andy Koppe
2011-08-03 7:00 ` Corinna Vinschen
2011-08-04 5:50 ` Andy Koppe
2011-08-04 8:39 ` Corinna Vinschen
2011-08-04 13:19 ` Charles Wilson
2011-08-04 14:30 ` Corinna Vinschen
2011-08-04 17:24 ` Charles Wilson
2011-08-04 18:17 ` Corinna Vinschen
2011-08-05 17:47 ` Warren Young
2011-08-05 15:06 ` Andy Koppe
2011-08-05 15:47 ` Corinna Vinschen
2011-08-05 15:57 ` Charles Wilson
2011-08-05 20:23 ` Andy Koppe
2011-08-05 16:13 ` Warren Young
2011-08-05 17:51 ` Corinna Vinschen
2011-08-05 18:41 ` Warren Young
2011-08-05 17:35 ` Warren Young
2011-08-05 19:08 ` Andy Koppe
2011-08-05 20:24 ` Warren Young
2011-08-06 8:29 ` Corinna Vinschen
2011-08-06 10:47 ` Andy Koppe
2011-08-06 17:44 ` Corinna Vinschen
2011-08-06 18:28 ` Corinna Vinschen
2011-08-07 10:08 ` Andy Koppe
2011-08-08 16:44 ` Warren Young
2011-08-08 17:10 ` Warren Young
2011-08-08 20:40 ` Corinna Vinschen
2011-08-08 16:43 ` Warren Young
2011-08-08 20:44 ` Corinna Vinschen
2011-08-08 22:28 ` Warren Young
2011-08-09 7:26 ` Corinna Vinschen
2011-08-10 8:48 ` Warren Young
2011-08-10 10:08 ` Corinna Vinschen
2011-08-10 10:24 ` Corinna Vinschen
2011-08-10 14:02 ` Warren Young
2011-08-11 10:39 ` Corinna Vinschen
2011-08-11 21:06 ` Warren Young
2011-08-12 7:00 ` Corinna Vinschen
2011-08-12 9:13 ` Corinna Vinschen
2011-08-12 19:38 ` Andy Koppe
2011-08-15 14:33 ` Warren Young
2011-08-15 15:45 ` Charles Wilson
2011-08-15 16:00 ` Corinna Vinschen
2011-08-15 18:26 ` Charles Wilson
2011-08-15 18:00 ` Warren Young [this message]
2011-08-15 15:57 ` Corinna Vinschen
2011-08-12 19:38 ` Andy Koppe
2011-08-13 7:59 ` Corinna Vinschen
2011-08-13 20:35 ` Andy Koppe
2011-08-14 11:13 ` Corinna Vinschen
2011-08-15 19:46 ` Andy Koppe
2011-08-16 9:09 ` Corinna Vinschen
2011-08-16 14:16 ` Andy Koppe
2011-08-16 14:32 ` Corinna Vinschen
2011-08-16 18:41 ` Andy Koppe
2011-08-17 15:14 ` Corinna Vinschen
2011-08-15 17:52 ` Warren Young
2011-08-15 17:58 ` Chris Sutcliffe
2011-08-15 18:02 ` Warren Young
2011-08-15 19:52 ` Andy Koppe
2011-08-15 21:10 ` Warren Young
2011-08-16 8:36 ` Corinna Vinschen
2011-08-16 19:28 ` Warren Young
2011-08-17 15:47 ` Corinna Vinschen
2011-08-17 19:03 ` Charles Wilson
2011-08-18 11:26 ` Corinna Vinschen
2011-08-18 21:07 ` setup.exe opening page graphic Warren Young
2011-08-19 15:40 ` Corinna Vinschen
2011-08-19 22:23 ` Warren Young
2011-08-19 22:25 ` Warren Young
2011-08-20 11:17 ` Corinna Vinschen
2011-08-22 18:36 ` Warren Young
2011-08-23 14:15 ` Corinna Vinschen
2011-08-30 8:32 ` Corinna Vinschen
2011-08-30 19:52 ` Warren Young
2011-08-31 9:42 ` Corinna Vinschen
2011-08-31 13:56 ` Charles Wilson
2011-08-31 18:49 ` Warren Young
2011-08-31 20:57 ` Charles Wilson
2011-09-01 7:28 ` Corinna Vinschen
2011-09-01 7:27 ` Corinna Vinschen
2011-09-01 7:33 ` Corinna Vinschen
2011-08-16 7:51 ` 256x256 px icons Corinna Vinschen
2011-08-16 16:17 ` Warren Young
2011-08-10 10:09 ` Corinna Vinschen
2011-08-08 16:57 ` Warren Young
2011-08-08 20:46 ` Corinna Vinschen
2011-08-08 22:38 ` Warren Young
2011-08-09 7:18 ` Corinna Vinschen
2011-08-09 8:02 ` Corinna Vinschen
2011-07-29 20:51 ` Corinna Vinschen
2011-07-30 18:34 ` Corinna Vinschen
2011-07-30 20:24 ` Cygwin Icons (Re: 256x256 px icons) Corinna Vinschen
2011-07-31 8:26 ` 256x256 px icons Andy Koppe
2011-07-29 8:25 ` Warren Young
2011-07-27 22:26 ` Charles Wilson
2011-07-28 5:52 ` Andy Koppe
2011-08-14 8:18 ` Andy Koppe
2011-08-14 11:16 ` Corinna Vinschen
2011-08-15 14:44 ` Warren Young
2011-08-15 16:03 ` Corinna Vinschen
2011-07-26 13:46 ` SETUP: default to mintty Charles Wilson
2011-07-26 15:01 ` Warren Young
2011-07-25 23:59 ` Christopher Faylor
2011-07-26 8:17 ` Corinna Vinschen
2011-07-26 13:20 ` modernized icon Warren Young
2011-07-26 19:37 ` SETUP: default to mintty Andy Koppe
2011-07-26 19:52 ` Charles Wilson
2011-07-27 7:24 ` Andy Koppe
2011-07-27 7:46 ` Corinna Vinschen
2011-07-27 8:07 ` Andy Koppe
2011-07-27 9:44 ` Corinna Vinschen
2011-07-27 15:15 ` Andy Koppe
2011-07-27 15:53 ` Corinna Vinschen
2011-07-27 16:38 ` Christopher Faylor
2011-08-03 14:44 ` Corinna Vinschen
2011-08-03 15:45 ` Charles Wilson
2011-08-03 20:37 ` Andy Koppe
2011-08-03 23:38 ` Warren Young
2011-08-04 5:18 ` Andy Koppe
2011-08-04 9:09 ` Corinna Vinschen
2011-08-04 10:26 ` Corinna Vinschen
2011-08-05 20:05 ` Andy Koppe
2011-08-05 20:46 ` Warren Young
2011-08-06 8:11 ` Andy Koppe
2011-08-05 21:26 ` Charles Wilson
2011-08-06 8:30 ` Corinna Vinschen
2011-08-04 9:08 ` Corinna Vinschen
2011-08-04 9:41 ` Corinna Vinschen
2011-07-26 22:03 ` Warren Young
2011-07-27 7:08 ` Corinna Vinschen
2011-07-27 7:30 ` Andy Koppe
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