> You can directly draw onto surface bound with canvas passed in in your > draw handler. You don't have to always first draw into bitmap then > copy from bitmap to surface.
can you please give me some sample code for the same? It would be really helpful. Or any references where i can have a look at for this draw handler example? -Latha On Wed, Nov 4, 2009 at 8:50 AM, Westermann Fu <[email protected]> wrote: > You can directly draw onto surface bound with canvas passed in in your > draw handler. You don't have to always first draw into bitmap then > copy from bitmap to surface. > > In fact, no matter what strategy you use you have not really drawn > onto screen framebuffer directly, the last action is composing done by > surfaceflinger service which sit in native layer but it only export > limited method you can access. I think directly accessing /dev/ > graphics/fb0 is not recommand by android platform. > > On Nov 4, 12:35 am, Latha Shivanna <[email protected]> wrote: >> I need some 2D apis. can anybody suggest something? >> >> Are there any ways to display a buffer on screen in native layer? I am >> aware of using some ioctl calls on /dev/graphics/fb0.(But it needs >> root access) >> >> Please do advise. >> >> -Latha >> >> On Tue, Nov 3, 2009 at 7:12 PM, sham shamcs <[email protected]> wrote: >> > you can use opengl also >> >> > On Tue, Nov 3, 2009 at 5:54 PM, Latha Shivanna <[email protected]> wrote: >> >> >> Hii All >> >> >> Can anybody please tell me how can we display a buffer on screen? >> >> >> Currently I create a bitmap using Bitmap's CreateBitmap() and render >> >> it on screen using canvas' drawBitmap(). >> >> >> Is there any other way of doing this in Java layer? >> >> >> Please do share your thoughts. >> >> >> thanks in advance >> >> Latha >> >> >> -- >> >> 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 > > -- > 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
