Wwg`D bdZddlZddlZddlmZddlmZddlmZm Z ddl m Z ddl m Z gdZejeZGd d eZGd d eZGd dZGddej,ZGddej,Zej2ej2ej4ej6ej6ej4iZedGdde Zdededededef dZdededededef dZ edGdd e Z!edGd!d"e Z"y)#z!Layout utilities (to be expanded)N) dataclass)Fraction)OptionalUnion)ConfigurableMixin)ConfigurationError) LayoutErrorBoxSpecificationErrorBoxConstraints AxisAlignmentMargins InnerScalingSimpleBoxLayoutRule Positioningc(eZdZdZdeffd ZxZS)r z+Indicates an error in a layout computation.msgc4||_t||g|yN)rsuper__init__)selfrargs __class__s O/var/www/horilla/myenv/lib/python3.12/site-packages/pyhanko/pdf_utils/layout.pyrzLayoutError.__init__s $t$)__name__ __module__ __qualname____doc__strr __classcell__rs@rr r s5%C%%rr c0eZdZdZddeeffd ZxZS)r z4Raised when a box constraint is over/underspecified.rc.t||xsdy)Nz%box constraint is over/underspecified)r)rr)rrrs rrzBoxSpecificationError.__init__%s SK$KLrr)rrrrrr rr!r"s@rr r "s>MHSMMMrr cXeZdZUdZeeed<eeed<eeed<eed< dde ee dfde ee dfd eefd Z d Z e d efd ZejdZe d efdZe d efdZejdZe d efdZe d efdZe d efdZy)r a)Represents a box of potentially variable width and height. Among other uses, this can be leveraged to produce a variably sized box with a fixed aspect ratio. If width/height are not defined yet, they can be set by assigning to the :attr:`width` and :attr:`height` attributes. _width_height_ar_fully_specifiedNwidthheight aspect_ratiocr| t|nd}| t|nd}||_||_d}d|_|||y|%|#|tt |||_d}||_y|K||_|$tt ||z|_||_y|tt ||z |_||_y)NFT)intr&r'r(r rroundr))rr*r+r, int_width int_heightfully_specifieds rrzBoxConstraints.__init__7s #("3CJ $*$6S[D  !   !3 8L   "z'='++ :6DH"O!0 %#DH%!% \(A"BC !0&"5\)A#BC /rc|j9|j-t|j|j|_d|_y|jw|j/t |j|jz|_d|_y|j/t |j|jz |_d|_yyy)NT)r&r'rr(r)r.rs r _recalculatezBoxConstraints._recalculateUs ;; "t||'? T\\:DH$(D ! XX !||'!$,,"9: (,%("4;;#9: (,%) "rreturnc>|j |jSt)z :return: The width of the box. :raises BoxSpecificationError: if the box's width could not be determined. )r&r r4s rr*zBoxConstraints.widthas ;; ";; ' 'rcV|j||_|jytr)r&r5r rr*s rr*zBoxConstraints.widthns% ;; DK    ' 'rc|jduS)z :return: ``True`` if the box currently has a well-defined width, ``False`` otherwise. N)r&r4s r width_definedzBoxConstraints.width_definedvs{{$&&rc>|j |jSt)z :return: The height of the box. :raises BoxSpecificationError: if the box's height could not be determined. )r'r r4s rr+zBoxConstraints.heights << #<< ' 'rcV|j||_|jytr)r'r5r rr+s rr+zBoxConstraints.heights% << !DL    ' 'rc|jduS)z :return: ``True`` if the box currently has a well-defined height, ``False`` otherwise. N)r'r4s rheight_definedzBoxConstraints.height_defineds||4''rc>|j |jSt)z :return: The aspect ratio of the box. :raises BoxSpecificationError: if the box's aspect ratio could not be determined. )r(r r4s rr,zBoxConstraints.aspect_ratios 88 88O' 'rc|jduS)z :return: ``True`` if the box currently has a well-defined aspect ratio, ``False`` otherwise. N)r(r4s raspect_ratio_definedz#BoxConstraints.aspect_ratio_definedsxxt##r)NNN)rrrrrr.__annotations__rboolrfloatrr5propertyr*setterr;r+r@r,rCrrr r )sN SM c] ( *.*.+/ 0S%%&0c5$&'0x( 0< - (s ( ( \\(('t'' ( ( ( ]]((((( (h ( ($d$$rr ceZdZdZej Z ej Z ej Z ej Z e de ddfdZ y)rz(Class representing a scaling convention. config_strr6c tjtjtjtjd|j S#t $rtd|dwxYw)a  Convert from a configuration string. :param config_str: A string: 'none', 'stretch-fill', 'stretch-to-fit', 'shrink-to-fit' :return: An :class:`.InnerScaling` value. :raise ConfigurationError: on unexpected string inputs. )nonez stretch-fillzstretch-to-fitz shrink-to-fit'zs' is not a valid inner scaling setting; valid values are 'none', 'stretch-fill', 'stretch-to-fit', 'shrink-to-fit'.)r NO_SCALING STRETCH_FILLSTRETCH_TO_FIT SHRINK_TO_FITlowerKeyErrorr)clsrKs r from_configzInnerScaling.from_configsw $// , 9 9"."="=!-!;!;   " "  $J< #$  s AAA+N) rrrrenumautorOrPrQrR classmethodr rVrIrrrrsm2J499;L5TYY[N DIIKM S^rrceZdZdZej Z ej Z ej Z e de ddfdZ e de ddfdZ e dZdededefd Zy ) r z;Class representing one-dimensional alignment along an axis. align_strr6c tjtjtjd|j S#t $rt d|dwxYw)a Convert from a horizontal alignment config string. :param align_str: A string: 'left', 'mid' or 'right'. :return: An :class:`.AxisAlignment` value. :raise ConfigurationError: on unexpected string inputs. )leftmidrightrNzO' is not a valid horizontal alignment; valid values are 'left', 'mid', 'right'.r ALIGN_MIN ALIGN_MID ALIGN_MAXrSrTrrUr[s r from_x_alignzAxisAlignment.from_x_alignsl %//$..&00oo ! !  $I;56   AAAc tjtjtjd|j S#t $rt d|dwxYw)a  Convert from a vertical alignment config string. :param align_str: A string: 'bottom', 'mid' or 'top'. :return: An :class:`.AxisAlignment` value. :raise ConfigurationError: on unexpected string inputs. )bottomr^toprNzM' is not a valid vertical alignment; valid values are 'bottom', 'mid', 'top'.r`rds r from_y_alignzAxisAlignment.from_y_align sl '11$..$..oo ! !  $I;56  rfct|Sr)_alignment_oppositesr4s rflippedzAxisAlignment.flipped#s #D))r container_len inner_lenc 0tjd|||}|tjk(r||z |z S|tjk(r|S||kDr$t j d|d|d|d|d |S|tjk(r ||z dz}||zSt)NlengthzContent box width/height z is too wide for container size z with margins (, z); post_margin will be ignored) r effectiver rcraloggerwarningrb TypeError)rrnro pre_margin post_margineffective_max_len inner_offsets ralignzAxisAlignment.align's$-- mZ  =** * !9,{: : ],, ,  * * NN+I;7""/1s reffective_heightzMargins.effective_heights#  64;;IIrclt|trttd|}t||S)N)r]r_rirh) isinstancelistdictziprrV)rU config_dictrs rrVzMargins.from_configs6 k4 (6 DKw";//r)rrrrr]r.rDr_rirhrYr staticmethodrtrrrVr!r"s@rr r sp,D#ME3NCLFCO + + H J00rr ceZdZUdZeed< eed< eZeed< ejZ eed< e dZ deddfd Z d ed ed edefd Zy)rzk Class describing alignment, scaling and margin rules for a box positioned inside another box. x_aligny_alignmarginsinner_content_scalingc|jdtj}t|trtj |}||d<|jdtj}t|trtj |}||d<|jdd}|tj||d<yy)Nrrr) getr rbrr rerjrrV)rUrrrscalings rprocess_entriesz#SimpleBoxLayoutRule.process_entriess//)]-D-DE gs ##009G!( I//)]-D-DE gs ##009G!( I//"94@  3?3K3K4K/ 0 r new_marginsr6c\t|j|j||jS)N)rrrr)rrrr)rrs rsubstitute_marginsz&SimpleBoxLayoutRule.substitute_marginss)"LLLL"&"<"<   rrrrc|j}|j}dx}}|tjk7r|jr|j r|j |j}|j|j} |dk7r||z nd}|dk7r| |z nd}|tjk(rt||x}}n"|tjk(rt||dx}}t|j|||z|j|j } t#|j$|||z|j&|j(} t+| | ||S)a Position and possibly scale a box within a container, according to this layout rule. :param container_box: :class:`.BoxConstraints` describing the container. :param inner_nat_width: The inner box's natural width. :param inner_nat_height: The inner box's natural height. :return: A :class:`.Positioning` describing the scaling & position of the lower left corner of the inner box. r)rrrr)rrrrOr;r@rr*rr+rQminrRrrr]r_rrrhrir) rrrrrrrr eff_width eff_heightrrs rfitzSimpleBoxLayoutRule.fit sS*,,,,' |.. .++,,// 0C0CDI 11-2F2FGJ2AA1E_,1 4Dq3H..a ,555$'$99'L666%(!$<<' LL  g % LL MM   LL  w & NN KK  ugw  rN)rrrrr rDr rrrRrrYrrr r.rrrIrrrrs yGW +7*D*D<D$ g :O = %= =  =  = rr)#rrWlogging dataclassesr fractionsrtypingrrpyhanko.config.apirpyhanko.config.errorsr__all__ getLoggerrru ValueErrorr r r Enumrr rbrarcrlrr.rrr rrIrrrs' !"04    8 $%*%MKMH$H$V,499,^^DII^F]44]44]44 $ #  D  !       !       $C0C0C0L $r +r r r