Noone? On Aug 11, 11:21 am, Matyas <[email protected]> wrote: > Hi, > > The following is giving me a serious headache. > > Bitmap mTestMap = Bitmap.createBitmap(20, 20, Config.ALPHA_8); > mTestMap.setPixel(10,10, Color.WHITE); > Log.d("Test", "HasAlpha=" + mTestMap.hasAlpha() + ", IsMutable=" + > mTestMap.isMutable() + > ", PixelColor=" + mTestMap.getPixel(10,10)); > > The output is: > 08-11 10:56:23.490: DEBUG/Test(11211): HasAlpha=true, IsMutable=true, > PixelColor=0 > > The question is, why does getPixel return 0? And if it was meant to > return 0, what is the correct way to retrieve pixel color information > (or alpha channel information) from an ALPHA_8 bitmap? I am trying to > use this kind of bitmap for hit-testing in a game. RGB_565 works fine, > but I am trying to reduce the memory.
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