I am a new one in UI coding. So may be my way is not the best..
Panit mPaint = new Paint();
mPaint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
mPaint.setAlpha(XX);
notice that Mode.DST_IN is important(Better to see it's api-doc.)
Use this paint to draw a "ALPHA_8" bitmap on your org bitmap ,then you can
get a Bitmap which have special alpha.
So you can get two special alpha bitmap ,then draw them with Mode.DST_IN.
I think you will get you want.
But there must be a nice way, to do a calculation on the alpha area of
bitmap.
hope it can help you.
On Tue, 16 Mar 2010 13:20:01 +0800, BobG <bobgard...@aol.com> wrote:
How about set the Alpha channel in each one to 50% so they are both
half see through?
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