code: @NonNull
      public IconicsDrawable sizeDpX(@Dimension(unit = DP) int sizeDp) {
          return sizePxX(Utils.convertDpToPx(mContext, sizeDp));
      }
docs: Set the size of the drawable.
  
  @param sizeDp The size in density-independent pixels (dp).
  @return The current IconicsDrawable for chaining.