EmojiSpan.java 文件源码

@Override public int getSize(Paint paint, CharSequence text, int start, int end,
                             FontMetricsInt fm)
{
  if (fm != null && this.fm != null) {
    fm.ascent  = this.fm.ascent;
    fm.descent = this.fm.descent;
    fm.top     = this.fm.top;
    fm.bottom  = this.fm.bottom;
    return size;
  } else {
    return super.getSize(paint, text, start, end, fm);
  }
}