Just tried that as well. Doesn't affect the picture at all. I assume that's because of 00 alpha portion. So it's got to be more than 00 to alter the image.
On Feb 9, 11:33 am, Mike Reed <[email protected]> wrote: > Glad MULTIPLY worked for you. > > I think DARKEN should have worked, assuming your op-color had zero > alpha in it (so as not to affect the resulting alpha). e.g. 0x00888888 > > On Mon, Feb 9, 2009 at 12:09 PM, Obormot <[email protected]> wrote: > > > I don't think there's a bug there, but maybe it wasn't the right > > filter for me. > > > I tried SRC_OVER. Here's the result: > >http://tourizo.org/src_over.PNG > > 2 buttons. One is with the SRC_OVER applied with the color you > > suggested. > > > This worked for me much better: > > iv.setColorFilter(_darkenColor, PorterDuff.Mode.MULTIPLY); > > Where _darkenColor is defined like this: > > private final static int _darkenColor = Color.parseColor > > ("#FF808080"); > > > Here's the result: > >http://tourizo.org/multiply.PNG > > > On Feb 9, 8:22 am, Mike Reed <[email protected]> wrote: > >> Sounds like a bug: DARKEN should not alter a fully transparent pixel. > >> I will try to reproduce. Does SRC_OVER + some shade of gray work for > >> you, like 0x88888888)? > > >> On Sat, Feb 7, 2009 at 2:01 AM,Obormot<[email protected]> wrote: > > >> > Hi, guys. > > >> > I'm trying to make an image darker, but the image has some pixels > >> > transparent. I want to keep those pixels intact. I tried DARKEN and > >> > couple other filters, but they seem to alter transparent pixels as > >> > well. > > >> > Do you know if there is a way to keep transparent pixels intact while > >> > applying a color filter? > > >> > Sincerely, > >> > A. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
