Unfortunately, the createBitmap() method which accepts DisplayMetrics was added in API level 17 and I need to support a much lower API level. I tried to set the density by passing the DisplayMetrics.densityDpi to Bitmap.setDensity(int) and the problem still persists.
On Monday, January 28, 2013 4:38:16 PM UTC+2, Piren wrote: > > I think its actually the Bitmap's fault... Bitmap.CreateBitmap can also > get DisplayMatrics as a variable, try that with your device's > DisplayMatrics (I'm guessing it's High, while the default is something > lower, thus causing the fuzziness) > > On Monday, January 28, 2013 12:48:21 PM UTC+2, cosminr wrote: >> >> Hi, I am writing a custom view and for optimization purposes, I draw some >> static part of the view in a Bitmap. Unfortunately, the quality of the >> rendering when using an offscreen bitmap is noticeably less compared to >> rendering into the view's canvas bitmap. Here are two screenshots showing >> the difference >> >> Rendering into view's Canvas: >> >> >> <https://lh5.googleusercontent.com/-wSjtLmhUgz8/UQZV96LTo6I/AAAAAAAAAEM/r9saff_8dlM/s1600/01_view_canvas.png> >> Rendering into a Bitmap Canvas >> >> >> <https://lh3.googleusercontent.com/-jVuFcXhAf7g/UQZWK7NBNfI/AAAAAAAAAEU/0AfCGfQMudU/s1600/02_bitmap_canvas.png> >> The difference is most noticeable at the horizontal black line. >> The anti-aliasing algorithm seems to affect more pixels (is wider). >> >> The drawing code is the same in both cases, and the offscreen canvas is >> created like this >> >> final Bitmap tempBitmap = Bitmap.createBitmap(getWidth(), >> getHeight(), Bitmap.Config.ARGB_8888); >> final Canvas tempCanvas = new Canvas(tempBitmap); >> >> Any ideas on how to get the same rendering in the offscreen canvas as in >> the view's ? >> >> Thank you >> > -- -- 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 unsubscribe from this group, send email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
