public boolean showGuidelines() {
    return !(mEdges.width() < 100 || mEdges.height() < 100);
  }
Indicates whether the crop window is small enough that the guidelines should be shown. Public
because this function is also used to determine if the center handle should be focused.

@return boolean Whether the guidelines should be shown or not
core/src/main/java/com/theartofdev/edmodo/cropper/CropWindowHandler.java