Exemplo n.º 1
0
        Bitmap CreateRoundImage(Bitmap image)
        {
            var clipArea = Bitmap.CreateBitmap(image.Width, image.Height, Bitmap.Config.Argb8888);
            var canvas   = new Canvas(clipArea);
            var paint    = new Paint(PaintFlags.AntiAlias);

            canvas.DrawARGB(0, 0, 0, 0);
            canvas.DrawRoundRect(new RectF(0, 0, image.Width, image.Height), _iconRadius, _iconRadius, paint);


            paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));

            var rect = new Android.Graphics.Rect(0, 0, image.Width, image.Height);

            canvas.DrawBitmap(image, rect, rect, paint);

            image.Recycle();
            image.Dispose();
            image = null;
            canvas.Dispose();
            canvas = null;
            paint.Dispose();
            paint = null;
            rect.Dispose();
            rect = null;

            return(clipArea);
        }