o vh$@sddlZddlmZddlmZddlmZddlmZddl m Z ddl m Z m Z mZddlmZmZdd lmZdd lmZd d lmZmZd d lmZde jfddZeddGdddeZGddde jZdS)N)hexlify) dataclass)Optional)ConfigurableMixin)ConfigurationError)contentgenericlayout)IndirectObjectpdf_name)rd)BasePdfFileWriter)AnnotAppearancesCoordinateSystem)STAMP_ART_CONTENTreturncCs`t|ts td|dkrtS|drt|Sddlm}ddl m }| |}||ddS)Nz)Background specification must be a string __stamp__z.pdfr)Image)PdfImage)writer) isinstancestrrrendswithrImportedPdfPagePILrpyhanko.pdf_utils.imagesropen)bg_specrrimgr P/var/www/html/hyperkenya/venv/lib/python3.10/site-packages/pyhanko/stamp/base.py_get_background_contents       r"T)frozencseZdZUdZdZeed< dZee j ed< e j e j je j je jddZe j ed< d Zeed < efd d Zd ede jdeddfddZZS)BaseStampStylez& Base class for stamp styles.  border_widthN background)x_aligny_alignmarginsbackground_layoutg333333?background_opacitycsLt|d}z|d}Wn tyYnw|dur$t||d<dSdS)a This implementation of :meth:`process_entries` processes the :attr:`background` configuration value. This can either be a path to an image file, in which case it will be turned into an instance of :class:`~.pdf_utils.images.PdfImage`, or the special value ``__stamp__``, which is an alias for :const:`~pyhanko.stamp.STAMP_ART_CONTENT`. Nr')superprocess_entriesKeyErrorr")cls config_dictr __class__r r!r/Hs   zBaseStampStyle.process_entriesrbox text_paramsr BaseStampcCtNNotImplementedError)selfrr5r6r r r! create_stamp\szBaseStampStyle.create_stamp)__name__ __module__ __qualname____doc__r&int__annotations__r'rr PdfContentr SimpleBoxLayoutRule AxisAlignment ALIGN_MIDMarginsuniformr,r-float classmethodr/r BoxConstraintsdictr= __classcell__r r r3r!r$$s2    r$c seZdZ ddedeejffdd ZddZdd Z d d Z d e j fd dZ ejddedededefddZd efddZZS)r7Nrr5cs&tj||d||_d|_d|_dS)N)r5rF)r.__init__style_resources_ready _stamp_ref)r<rrPr5r3r r!rOfs zBaseStamp.__init__c Cs|jj}||j|}|j}|jr$|jr$|jj |j|j |j }n|jjj }t jdd|j|jd}t|jj}|jtjjtdttd|td|idd||f}||j|S)Nr)x_scaley_scalex_posy_posz /BackgroundGSz/CAz/ca)categorynamevaluesq /BackgroundGS gs %s %s Q)rPr' set_writerrrenderr5 width_definedheight_definedr,fitwidthheightr+r Positioningleftbottomr FloatObjectr- set_resourcer ResourceType EXT_G_STATEr DictionaryObjectas_cmimport_resources resources)r<bg bg_contentbg_box positioningr+opacitycommandr r r!_render_backgroundqs4       zBaseStamp._render_backgroundcCr8r9r:)r<r r r!_render_inner_contentszBaseStamp._render_inner_contentcCspdg}|}|jjr|||r|||j}|jj}|r.|d||j|j f|dd |S)Nqs%g w 0 0 %g %g re SQ ) rsrPr'appendrrextendr5r&r_r`join)r<command_stream inner_contentbboxr&r r r!r[s   zBaseStamp.renderrcCs0|j}|dur|j}|}|||_}|S)a Register the stamp with the writer coupled to this instance, and cache the returned reference. This works by calling :meth:`.PdfContent.as_form_xobject`. :return: An indirect reference to the form XObject containing the stamp. N)rR_ensure_writeras_form_xobject add_object)r< stamp_refwr form_xobjr r r!registers  zBaseStamp.register)coords dest_pagexyrc Cs|}dttj}dt|t||f}tj|d}tt dtt | d|ii} |j } | dus:J|t j kr[| j|| tjdddd | || tjd d| || || } |jj|jjf} | | fS) a Apply a stamp to a particular page in the PDF writer attached to this :class:`.BaseStamp` instance. :param dest_page: Index of the page to which the stamp is to be applied (starting at `0`). :param x: Horizontal position of the stamp's lower left corner on the page. :param y: Vertical position of the stamp's lower left corner on the page. :param coords: The coordinate convention to use. :return: A reference to the affected page object, together with a ``(width, height)`` tuple describing the dimensions of the stamp. s/Stampsq 1 0 0 1 %g %g cm %s Do Q) stream_dataz/XObjectasciiNrtT)prependru)rruuiduuid4bytesr r StreamObjectrhr decoderr PAGE_DEFAULTadd_stream_to_pagerr5r_r`) r<rrrrr resource_name stamp_paintstamp_wrapper_streamrkrpage_refdimsr r r!applysF       zBaseStamp.applycCs|}t|dS)a Turn this stamp into an appearance dictionary for an annotation (or a form field widget), after rendering it. Only the normal appearance will be defined. :return: An instance of :class:`.AnnotAppearances`. )normal)rr)r<rr r r!as_appearancess zBaseStamp.as_appearancesr9)r>r?r@r rr rLrOrrrsr[rr rrrrBrrrrNr r r3r!r7es, ' ?r7)rbinasciir dataclassesrtypingrpyhanko.config.apirpyhanko.config.errorsrpyhanko.pdf_utilsrrr pyhanko.pdf_utils.genericr r pyhanko.pdf_utils.miscr pyhanko.pdf_utils.writerr appearancesrrartrrDr"r$r7r r r r!s         @