Did you set the "filter" parameter to true when invoking createScaledBitmap? AFAIK it does the same as setting Paint.FILTER_BITMAP_FLAG when otherwise painting bitmaps. This should enable what you call antialiasing when scaling down the bitmaps.
Hope this helps On 15 Mai, 11:05, FReDD --- <[email protected]> wrote: > Hi all, > > I'm sorry if this topic has been brought before, but all my searches > on the web and this group did not help me. > > I'm currently developing a little game with th Android SDK, and use hi- > res bitmaps that I resize accordingly > to match the device's resolution (letting the system do it for me is > not "crisp" enough). > > I use a SurfaceView, on which I paint in one pass a canvas filling the > whole surface. The paint uses > setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)) to allow > masking. > Beforehand, I retrieve various bitmaps -- which are resized at > initialization with createScaledBitmap() and put in a cache -- > and I apply the bitmaps with a paint on this canvas, before drawing > this canvas on the SurfaceView. > > My problem is, whatever I try, whatever paint settings I use > (dithering, antialias, etc..), the resized bitmaps are not > antialiased and the drawing present jagged edges. I tried everything. > The only little success I had was using inSampleSize > to approach the desired scaled size and force a first pass of > antialiasing, before invoking createScaledBitmap on the retrieved > hi-res bitmap, but it is not beautiful enough. I just can't allow to > create multitudes of pre-sized bitmaps for every combination > of resolution. What did I miss ? > > Thanks a lot in advance -- 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
