Ah thanks, I just checked the Android source and there is the
following function
public void setHasAlpha(boolean hasAlpha) {
nativeSetHasAlpha(mNativeBitmap, hasAlpha);
}
But it is set to @hide so it is not in the docs, can we use this
function?
On Jan 24, 6:14 pm, Romain Guy <[email protected]> wrote:
> The system can detect when a ARGB_8888 bitmap is opaque (see
> Bitmap.hasAlpha()).
>
>
>
>
>
> On Mon, Jan 24, 2011 at 8:26 AM, webmonkey <[email protected]> wrote:
> > Now that Gingerbread has moved to 32-bit windows is there a way to
> > create a 32-bit bitmap without alpha to improve drawing performance of
> > opaque bitmaps?
>
> > Something like Bitmap.createBitmap( 512, 512,
> > Bitmap.Config.XRGB_8888 )
>
> > Or does the system somehow detect that the bitmap is opaque?
>
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> --
> Romain Guy
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support. All such questions should be posted on public
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