
COLOR_BG_HEADER_TXT_BLOCK = "color_background_header_txt_block"
PAGE_NO = "page-no" # 页码
CONTENT_IN_FOOT_OR_HEADER = 'in-foot-header-area' # 页眉页脚内的文本
VERTICAL_TEXT = 'vertical-text' # 垂直文本
ROTATE_TEXT = 'rotate-text' # 旋转文本
EMPTY_SIDE_BLOCK = 'empty-side-block' # 边缘上的空白没有任何内容的block
ON_IMAGE_TEXT = 'on-image-text' # 文本在图片上
ON_TABLE_TEXT = 'on-table-text' # 文本在表格上


class DropTag:
    PAGE_NUMBER = "page_no"
    HEADER = "header"
    FOOTER = "footer"
    FOOTNOTE = "footnote"
    NOT_IN_LAYOUT = "not_in_layout"
    SPAN_OVERLAP = "span_overlap"
    BLOCK_OVERLAP = "block_overlap"
