Thanks Dianne, that solved my png banding issue. On Feb 23, 6:05 am, Dianne Hackborn <[email protected]> wrote: > The canvas drawing into the live wallpaper is not 4444; the default is 565, > which yes will result in banding. You can change the desired format with > the SurfaceHolder API. > > http://developer.android.com/reference/android/view/SurfaceHolder.htm...) > <http://developer.android.com/reference/android/view/SurfaceHolder.htm...)> > On Tue, Feb 22, 2011 at 6:48 AM, allandt bik-elliott (thefieldcomic.com) < > > > > > > > > > > [email protected]> wrote: > > the problem afaik is that the bitmap used in the canvas is argb_4444 which > > has quite a shallow pool of colours to choose from and to get a decent > > gradient you need argb_8888 or a decent amount of dithering - neither of > > which i'm achieving > > > best > > a > > > On 14 February 2011 23:13, Mark <[email protected]> wrote: > > >> I am also experiencing this issue. The code I am using to apply a gradient > >> is as follows... > > >> Canvas DestinationCanvas = new Canvas(); > >> DestinationCanvas.setBitmap(DestinationBitmap); > >> //Gradient is going from very transparent black to fully black at the > >> bottom > >> GradientDrawable grad = new GradientDrawable(Orientation.TOP_BOTTOM, new > >> int[]{0x02000000, 0x2a000000, 0x5b000000, 0x90000000, 0xc9000000, > >> 0xcc000000}); > >> grad.setBounds(0, 0, DestinationBitmap.getWidth(), RequiredHeight); > >> grad.draw(DestinationCanvas); > > >> Calling grad.setDither(true) or setFilter(true) does not help. > > >> Regards, > >> Mark England > > >> -- > >> 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 > > > -- > > 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 > > -- > Dianne Hackborn > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time to > provide private support, and so won't reply to such e-mails. All such > questions should be posted on public forums, where I and others can see and > answer them.
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