147 lines
18 KiB
Plaintext
147 lines
18 KiB
Plaintext
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zR j¾7 ã ó: — d Z ddlmZ ddlmZmZmZ dZ ee« ZdZ de › d�Z
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de
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› d �Z de › d
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�Z de › d �Z
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ee
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« Z ee « Z ee « Z ee
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« Zd Zg d
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¢Zg d¢Zg d¢ZdZdZdZdZdZdZdZ dZ dZ dZ dZ dZ! G d„ de"« Z# G d„ d« Z$e%dk( �rddl&Z& e$e&jN d « Z( e)djU d„ de(jV › �d e(jX › �d e(jZ › �d e(j\ › �d e(j^ › �d e(j` › �d!e(jb › �d"e(jd › �d#e(jf › �d$e(jh › �d%e(jj › �d&e(jl › �d'e(jn › �d(e(jp › �fD « « « e)e(« yy))u1 Module for reading TFM (TeX Font Metrics) files.
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The TFM format is described in the TFtoPL WEB source code, whose typeset form
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can be found on `CTAN <http://mirrors.ctan.org/info/knuth-pdf/texware/tftopl.pdf>`_.
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>>> from fontTools.tfmLib import TFM
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>>> tfm = TFM("Tests/tfmLib/data/cmr10.tfm")
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>>>
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>>> # Accessing an attribute gets you metadata.
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>>> tfm.checksum
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1274110073
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>>> tfm.designsize
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10.0
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>>> tfm.codingscheme
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'TeX text'
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>>> tfm.family
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'CMR'
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>>> tfm.seven_bit_safe_flag
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False
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>>> tfm.face
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234
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>>> tfm.extraheader
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{}
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>>> tfm.fontdimens
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{'SLANT': 0.0, 'SPACE': 0.33333396911621094, 'STRETCH': 0.16666698455810547, 'SHRINK': 0.11111164093017578, 'XHEIGHT': 0.4305553436279297, 'QUAD': 1.0000028610229492, 'EXTRASPACE': 0.11111164093017578}
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>>> # Accessing a character gets you its metrics.
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>>> # “width� is always available, other metrics are available only when
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>>> # applicable. All values are relative to “designsize�.
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>>> tfm.chars[ord("g")]
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{'width': 0.5000019073486328, 'height': 0.4305553436279297, 'depth': 0.1944446563720703, 'italic': 0.013888359069824219}
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>>> # Kerning and ligature can be accessed as well.
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>>> tfm.kerning[ord("c")]
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{104: -0.02777862548828125, 107: -0.02777862548828125}
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>>> tfm.ligatures[ord("f")]
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{105: ('LIG', 12), 102: ('LIG', 11), 108: ('LIG', 13)}
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é )ÚSimpleNamespace)ÚcalcsizeÚunpackÚunpack2a�
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>
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lf: h # length of the entire file, in words
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lh: h # length of the header data, in words
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bc: h # smallest character code in the font
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ec: h # largest character code in the font
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nw: h # number of words in the width table
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nh: h # number of words in the height table
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nd: h # number of words in the depth table
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ni: h # number of words in the italic correction table
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nl: h # number of words in the ligature/kern table
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nk: h # number of words in the kern table
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ne: h # number of words in the extensible character table
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np: h # number of font parameter words
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z12.20Fz;
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>
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checksum: L
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designsize: ú
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z
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z
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codingscheme: 40p
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z
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family: 20p
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zm
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seven_bit_safe_flag: ?
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ignored: x
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ignored: x
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face: B
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zI
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>
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skip_byte: B
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next_char: B
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op_byte: B
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remainder: B
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)ÚSLANTÚSPACEÚSTRETCHÚSHRINKÚXHEIGHTÚQUADÚ
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EXTRASPACE)ÚNUM1ÚNUM2ÚNUM3ÚDENOM1ÚDENOM2ÚSUP1ÚSUP2ÚSUP3ÚSUB1ÚSUB2ÚSUPDROPÚSUBDROPÚDELIM1ÚDELIM2Ú
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AXISHEIGHT)ÚDEFAULTRULETHICKNESSÚ
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BIGOPSPACING1Ú
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BIGOPSPACING2Ú
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BIGOPSPACING3Ú
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BIGOPSPACING4Ú
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BIGOPSPACING5é é é é€ c ó ‡ — e Zd Zˆ fd„Zˆ xZS )Ú TFMExceptionc ó$ •— t ‰| � |« y ©N)ÚsuperÚ__init__)ÚselfÚmessageÚ __class__s €úS/home/antigravity/intellecton/venv/lib/python3.12/site-packages/fontTools/tfmLib.pyr- zTFMException.__init__š s ø€ Ü
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‰Ñ˜Õ!ó )Ú__name__Ú
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__module__Ú __qualname__r- Ú
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__classcell__)r0 s @r1 r) r) ™ s
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ø„ ÷"ð "r2 r) c ó — e Zd Zd„ Zd„ Zd„ Zy)ÚTFMc ó& — | j |« y r+ )Ú_read)r. Úfiles r1 r- z TFM.__init__Ÿ s € Ø �
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‰
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�4Õr2 c óX — d| j › d| j › d| j d›d�S )Nz <TFM for z in z at Úgzpt>)ÚfamilyÚ codingschemeÚ
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designsize)r. s r1 Ú__repr__z TFM.__repr__¢ s8 € ðØ—K‘K�=Ø�4×$Ñ$Ð%Ø�4—?‘? 1Ð% Sð
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*ð
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r2 c ó ‡ ‡ ‡!‡"‡#‡$‡%‡&‡'‡(‡)‡*‡+‡,‡-‡.‡/‡0— t |d« r|j « Š!n%t |d« 5 }|j « Š!d d d « ‰!| _ t ‰!« t
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k r t
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d« ‚t « Š.t t ‰!‰.« ‰.j dk r t
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d« ‚t ‰!« ‰.j dz k r t
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d« ‚t ‰.« j « D ] \ }}|dk sŒ t
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d« ‚ ‰.j d k rt
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d
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‰.j › d �« ‚‰.j ‰.j d z kD s‰.j d
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kD r&t
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d‰.j › d‰.j › d�« ‚‰.j dk( s-‰.j" dk( s ‰.j$ dk( s‰.j& dk( r t
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d« ‚‰.j( dkD rt
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dt( › d�« ‚‰.j d‰.j z ‰.j ‰.j z
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d z z ‰.j z ‰.j" z ‰.j$ z ‰.j& z ‰.j* z ‰.j, z ‰.j( z ‰.j. z k7 r t
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d« ‚d‰.j z ‰.j z
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Š ‰ ‰.j z d z Š/‰/‰.j z Š%‰%‰.j" z Š"‰"‰.j$ z Š'‰'‰.j& z Š*‰*‰.j* z Š)‰)‰.j, z Š$‰$‰.j( z Š+ˆ fd„Š ˆ ˆ!fd„Š0ˆ.ˆ0fd„}ˆ ˆ!fd„Š&ˆ ˆ!fd„Š#ˆ ˆ!fd „Š(ˆ ˆ!fd „}ˆ ˆ!fd „Š-ˆ,ˆ/ˆ0fd „}ˆ%ˆ&ˆ,fd „}ˆ"ˆ#ˆ,fd!„} ˆ'ˆ(ˆ,fd"„}
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ˆ$ˆ-fd#„} ˆ*fd$„} ˆ!fd%„}
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ˆ)ˆ,fd&„}ˆ+fd'„}dFˆ!fd(„ Š,t1 t2 dgt4 z | « d)}‰.j dz }i | _ |t4 k\ r¦t t2 ‰!|d | « d }| j8 d*k r:| j8 d z }| j8 d z }d+|d,z d-| z d.|d,z z | _ t; ‰.j t4 dz z
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tX | }nI| jJ tR k( r|d4k r
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tZ |d5z
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}n$| jJ tT k( r|d6k r t\ |d5z
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} ‰, ||« || jV « Œ~ i }d | _/ d | _0 ‰.j* dkD rŠ |
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k( r|jd | _/ |
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« « }|jb d
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k( r2d| _0 d|jf z |jh z }||| j` < i | _5 t; ‰.j ‰.j d z « D �] } ‰0|« dkD sŒi x| jj |< } ||« |d7< ‰&|« dkD r ||« |d8< ‰#|« dkD r | |« |d9< ‰(|« dkD r |
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|« |d:< ||« }|tl k( rŒ€|tn k( r ‰-|« ||< Œ•|tp k( r ‰-|« |d;< Œª|tr k( sŒ´i x|d<< } t; d« D ]G }‰! | |« |z } |d,k( s| dkD sŒ d=}|dk( rd>}n|d k( rd?}n|d k( rd@} || « r|| |< ŒC| | |< ŒI �Œ i | _: i | _; ty |j « « D �]œ \ }} |
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| |« « }|jb tz kD r d|jf z |jh z }|‰.j* k sŒT |
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| |« « }|jb tz kD rnï|jf t| k\ rSd|jf t| z
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z |jh z } ||« | jv j |i « |jd < n‰|jf }|dk( s
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|d5kD r|dAk7 r|} n6dB} |dz d kD r| dCz
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} | dDz
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} |d z dk7 r| dCz
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} |d,kD r| dEz
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} |dz }|d,kD rŒ| |jh f| jt j |i « |jd < |jb tz k\ r�Œz||jb d z z
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}|‰.j* k r�ŒI�ŒŸ y # 1 sw Y � Œ+xY w)GNÚreadÚrbzToo short input filer z0The file claims to have negative or zero length!é z(The file has fewer bytes than it claims!z'The subfile size: '{name}' is negative!r% zThe header length is only ú!r$ éÿ zThe character code range z..z is illegal!z-Incomplete subfiles for character dimensions!é z
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There are z extensible recipes!é u0 Subfile sizes don’t add up to the stated totalc ó •— d‰| z z S ©NrE © )ÚcÚ char_bases €r1 Ú char_infoz TFM._read.<locals>.char_infoô s ø€ ؘ A™
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Ñ&Ð &r2 c ó •— ‰ ‰| « S r+ rL ©rM rO Údatas €€r1 Ú width_indexz TFM._read.<locals>.width_index÷ s ø€ Ø™ !› Ñ%Ð %r2 c ó^ •— | ‰j k xs | ‰j kD xs ‰| « dk( S )Nr )ÚbcÚec)rM ÚsizesrS s €€r1 Ú noneexistentz TFM._read.<locals>.noneexistentú s, ø€ Ø�u—x‘x‘<ÒF 1 u§x¡x¡<ÒF±;¸q³>ÀQÑ3FÐ Fr2 c ó& •— ‰ ‰| « dz dz S ©Nr$ é rL rQ s €€r1 Ú height_indexz TFM._read.<locals>.height_indexý s ø€ Ø™ !› qÑ(Ñ)¨RÑ/Ð /r2 c ó& •— ‰ ‰| « dz dz S rZ rL rQ s €€r1 Ú depth_indexz TFM._read.<locals>.depth_index s ø€ Ø™ !› qÑ(Ñ)¨BÑ.Ð .r2 c ó& •— ‰ ‰| « dz dz S ©Nr% rE rL rQ s €€r1 Ú italic_indexz TFM._read.<locals>.italic_index s ø€ Ø™ !› qÑ(Ñ)¨QÑ.Ð .r2 c ó& •— ‰ ‰| « dz dz S r` rL rQ s €€r1 ÚtagzTFM._read.<locals>.tag s ø€ Ø™ !› qÑ(Ñ)¨AÑ-Ð -r2 c ó •— ‰ ‰| « dz S )Nr& rL rQ s €€r1 Ú remainderz TFM._read.<locals>.remainder s ø€ Ø™ !› qÑ(Ñ)Ð )r2 c ó8 •— d‰ ‰| « z z } ‰|d« d S ©NrE ÚvrL )rM ÚrÚ
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read_fixedÚ
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width_baserS s €€€r1 ÚwidthzTFM._read.<locals>.width ó( ø€ Ø�Z¡+¨a£.Ñ0Ñ1ˆAÙ ˜a Ó% cÑ*Ð *r2 c ó8 •— d‰ ‰| « z z } ‰|d« d S rg rL )rM ri Ú height_baser\ rj s €€€r1 ÚheightzTFM._read.<locals>.height ó( ø€ Ø�[¡<°£?Ñ2Ñ3ˆAÙ ˜a Ó% cÑ*Ð *r2 c ó8 •— d‰ ‰| « z z } ‰|d« d S rg rL )rM ri Ú
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depth_baser^ rj s €€€r1 ÚdepthzTFM._read.<locals>.depth rm r2 c ó8 •— d‰ ‰| « z z } ‰|d« d S rg rL )rM ri Ú italic_basera rj s €€€r1 ÚitaliczTFM._read.<locals>.italic rq r2 c ó •— d‰ ‰| « z z S rK rL )rM Ú
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exten_basere s €€r1 ÚextenzTFM._read.<locals>.exten s ø€ ؘ
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¡Y¨q£\Ñ1Ñ2Ð 2r2 c ó •— d‰| z z S rK rL )ÚiÚ
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lig_kern_bases €r1 Úlig_stepzTFM._read.<locals>.lig_step s ø€ ؘ
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¨Ñ)Ñ*Ð *r2 c óD •— t « }t t ‰| d |« |S r+ )r r ÚLIG_KERN_COMMAND)r| ÚcommandrR s €r1 Úlig_kern_commandz#TFM._read.<locals>.lig_kern_command" s# ø€ Ü%Ó'ˆGÜ Ô$ d¨1¨2 h°Ô 8؈Nr2 c ó, •— d‰| z z } ‰|d« d S rg rL )r| ri Ú kern_baserj s €€r1 ÚkernzTFM._read.<locals>.kern' s# ø€ Ø�Y ‘]Ñ#ˆAÙ ˜a Ó% cÑ*Ð *r2 c ó •— d‰| z z S rK rL )r| Ú
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param_bases €r1 ÚparamzTFM._read.<locals>.param+ s ø€ ؘ
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Q™Ñ'Ð 'r2 c óB •— t d|› dt › �‰| d |« }|d S )Nz>;ú:r )r Ú FIXED_FORMAT)ÚindexÚkeyÚobjÚretrR s €r1 rj z TFM._read.<locals>.read_fixed. s- ø€ ܘB˜s˜e 1¤\ NÐ3°T¸%¸&°\À3ÓGˆCØ�q‘6ˆMr2 é é ÚMBLr& ÚRIÚRCEz>;HEADERz:lz TEX MATH SYz TEX MATH EXÚ PARAMETERé é é rl rp rt rw Ú
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nextlargerÚvarcharÚrepÚtopÚmidÚboté Ú ú/ÚLIGú>r+ )@ÚhasattrrC ÚopenÚ_dataÚlenÚ
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SIZES_SIZEr) r r Ú SIZES_FORMATÚlfÚvarsÚitemsÚlhrU rV ÚnwÚnhÚndÚniÚneÚnlÚnkÚnpr ÚHEADER_FORMAT4Ú HEADER_SIZE4Ú extraheaderÚfaceÚrangeÚ HEADER_SIZE3ÚHEADER_FORMAT3Ú HEADER_SIZE2ÚHEADER_FORMAT2Ú HEADER_SIZE1ÚHEADER_FORMAT1ÚVANILLAÚfonttyper? ÚupperÚ
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startswithÚMATHSYÚMATHEXÚ
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fontdimensÚ BASE_PARAMSÚ
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MATHSY_PARAMSÚ
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MATHEX_PARAMSÚright_boundary_charÚleft_boundary_charÚ skip_byteÚ next_charÚop_bytere ÚcharsÚNO_TAGÚLIG_TAGÚLIST_TAGÚEXT_TAGÚ ligaturesÚkerningÚsortedÚ STOP_FLAGÚ KERN_FLAGÚ
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