android mask setXfermode
16lz
2021-01-26
public class MymaskActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ImageView imageView=(ImageView)findViewById(R.id.imageView1);
imageView.setImageBitmap(getRoundedCornerBitmap());
}
public Bitmap getRoundedCornerBitmap() {
Resources res = getResources();
Bitmap bmp = BitmapFactory.decodeResource(res, R.drawable.fang);
Bitmap dst = BitmapFactory.decodeResource(res, R.drawable.yuan);
Canvas canvas = new Canvas(bmp);
final int color = 0xff424242;
final Paint paint = new Paint();
paint.setAntiAlias(true);
// canvas.drawARGB(0, 0, 0, 0);
// paint.setColor(color);
//
paint.setXfermode(new PorterDuffXfermode(Mode.XOR));
canvas.drawBitmap(dst, 0, 0, paint) ;
return bmp;
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ImageView imageView=(ImageView)findViewById(R.id.imageView1);
imageView.setImageBitmap(getRoundedCornerBitmap());
}
public Bitmap getRoundedCornerBitmap() {
Resources res = getResources();
Bitmap bmp = BitmapFactory.decodeResource(res, R.drawable.fang);
Bitmap dst = BitmapFactory.decodeResource(res, R.drawable.yuan);
Canvas canvas = new Canvas(bmp);
final int color = 0xff424242;
final Paint paint = new Paint();
paint.setAntiAlias(true);
// canvas.drawARGB(0, 0, 0, 0);
// paint.setColor(color);
//
paint.setXfermode(new PorterDuffXfermode(Mode.XOR));
canvas.drawBitmap(dst, 0, 0, paint) ;
return bmp;
}
}
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