导读： ** * Returns a circular cropped version of the bitmap passed in * public static Bitmap getCroppedBitmap(Bitmap bitmap) { Bitmap output = Bitmap createBitmap(bi ...
/**
* Returns a circular cropped version of the bitmap passed in.
*/
public static Bitmap getCroppedBitmap(Bitmap bitmap) {
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
Config.ARGB_8888);
final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
Canvas canvas = new Canvas(output);
final Paint paint = new Paint();
paint.setAntiAlias(true);
int halfWidth = bitmap.getWidth() / 2;
int halfHeight = bitmap.getHeight() / 2;
canvas.drawCircle(halfWidth, halfHeight, Math.max(halfWidth, halfHeight), paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}
