For my purposes, resizeQuality best does the job. Thanks Mark W.
(And thanks Mark W. for the bad news for me :( that losing QuickDraw causes some fonts to now take more horizontal space than pre-LC 6.7, notably Helvetica. Peter Bogdanoff UCLA > On May 19, 2015, at 4:35 PM, Mark Talluto <use...@canelasoftware.com> wrote: > > On May 19, 2015, at 9:34 AM, Mark Waddingham <m...@livecode.com> wrote: >> We're not entirely sure what algorithm CopyBits uses for scaling images >> which seems to be so good for certain image types - but if someone does >> know, and indeed has some suitably open / free source-code lying around >> which does something similar we could look to see if we could resurrect that >> kind of filtering (it does seem to be somewhat different from bilinear - I >> think it is some sort of 'box' filter, but that covers a fair few things). > > Hi Mark. We have submitted an enhancement regarding this very important > topic for some stuff we work on. > http://quality.runrev.com/show_bug.cgi?id=15395 > > A complete copy of the enhancement is below: > > It would be nice if we could have additional resizeQuality options when > scaling images, which would also help mitigate the loss of the CopyBits > algorithm for Mac. > > In addition to supporting the existing normal, good, and best for backwards > compatibility, it might be cool to expose more options well. > > One open-source option that seems to support quite a few options is > ImageMagick; they're Apache 2.0, and permit inclusion into both open- and > closed-source projects. > > Take a look at their resize capabilities: > http://trac.imagemagick.org/browser/ImageMagick/trunk/MagickCore/resize.c > > They have compatibility with Mac, Windows, Linux, and iOS. No listed > compatibility with Android, though. May be worth checking out. > > > > Best regards, > > Mark Talluto > livecloud.io > canelasoftware.com > > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
