Worked out how to do this. I then used it to create a reflection effect, for reference, and if anyone is interested, here's how to do it:
http://www.inter-fuser.com/2009/12/android-reflections-with-bitmaps.html On Dec 11, 12:49 pm, Taf <[email protected]> wrote: > Hi, > > I'm trying to apply an Alpha gradient to a bitmap that I've created > from a PNG. I want the image to be opaque at the top and fade to > transparent at the bottom. I know this can be done be using getPixels > and setPixels for Bitmap and iterating through each row of pixels in > the Bitmap and setting the alpha values accordingly, but i was hoping > there was a slightly neater way of doing this. I have been looking at > the LinearGradient Class and using a Porter Duff transfer mode, but i > don't seem to be having much luck with this. It seems that my source > image is lost when i apply the Shader to the drawable. > > Anyone have any tips on how i might apply an alpha gradient to a > bitmap? -- 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
