great tut :) 2011/9/8 Kevin A. Cameron <kevinacame...@gmail.com>
> Could be considered OT, but front end devs are usually chopping images in > their day to day, and this trick has become standard practice for me. > > Using the posterize layer effect (in Photoshop) will let you constrain the > number of unique colour values. > For example instead of an image having 200 different unique colour values, > you can limit it to 100 or whatever, and still save as a PNG-24. > > Eg > http://www.kacevisual.com/files/img-test/not-posterized.png - 14.19KB > (256+ colours) > http://www.kacevisual.com/files/img-test/posterized.png - 5.94KB (40 > colours) > http://www.kacevisual.com/files/img-test/compare.tif - both, can you tell > which is which? > > There are certainly many other tricks to reduce image file size, but this > is just so easy and almost always makes a huge difference. > > Another step can be to duplicate the layer, posterize 1, and use the other > with a mask to fill in the areas where you can see steps between the colours > (often in a gradient). > > Further reading: > http://www.smashingmagazine.com/2009/07/15/clever-png-optimization-techniques/ > > Kevin > > -- > -- > You received this because you are subscribed to the "Design the Web with > CSS" at Google groups. > To post: css-design@googlegroups.com > To unsubscribe: css-design-unsubscr...@googlegroups.com -- BAZINGA Designs http://www.bazingadesigns.com Igor Wnuk Ul. PCK 5/20 24-100 Puławy tel. 667 200 706 REGON: 060622686 NIP: 716-255-43-47 -- -- You received this because you are subscribed to the "Design the Web with CSS" at Google groups. To post: css-design@googlegroups.com To unsubscribe: css-design-unsubscr...@googlegroups.com
