/**
* 图片变为圆角
* @param bitmap:传入的bitmap
* @param pixels：圆角的度数，值越大，圆角越大
* @return bitmap:加入圆角的bitmap
*/
public static Bitmap
toRoundCorner(Bitmap bitmap,
int pixels) {
if(bitmap ==
null) {
return null;
}
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
Canvas canvas =
new Canvas(output);
final int color =
0xff424242;
final Paint paint =
new Paint();
final Rect rect =
new Rect(
0,
0, bitmap.getWidth(), bitmap.getHeight());
final RectF rectF =
new RectF(rect);
final float roundPx = pixels;
paint.setAntiAlias(
true);
canvas.drawARGB(
0,
0,
0,
0);
paint.setColor(color);
canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
paint.setXfermode(
new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
return output;
}
