^jj dZddlmZddlmZddlmZddlmZddl m Z ddl m Z ddl mZmZdd lZdd lmZdd lZej(eZGd d eZd ZdZdddddddddd ZefdZGddeZdZe j>eZ dZ!e j>e!Z"dZ#dZ$d Z%d!Z&d"Z'e j>e'Z(d#Z)e j>e)Z*d$Z+e j>e+Z,d%Z-e j>e-Z.Gd&d'eZ/Gd(d)e/Z0Gd*d+e/Z1Gd,d-Z2d.Z3d/Z4e#dfd0Z5ed1k(r4dd l6Z6dd l7Z7e6jpe7jrjty y )2attLib/sfnt.py -- low-level module to deal with the sfnt file format. Defines two public classes: - SFNTReader - SFNTWriter (Normally you don't have to use these classes explicitly; they are used automatically by ttLib.TTFont.) The reading and writing of sfnt files is separated in two distinct classes, since whenever the number of tables changes or whenever a table's length changes you need to rewrite the whole file anyway. ) annotations)KeysView)BytesIO)SimpleNamespace)Tag)sstruct) TTLibErrorTTLibFileIsCollectionErrorN) OrderedDictcReZdZdZd dZd dZeZd dZddZddZ ddZ dZ d Z y ) SFNTReaderc|ri|tura|d}|jdt|jd}|jd|dk(rddlm}t j|St j|S)zmReturn an instance of the SFNTReader sub-class which is compatible with the input file type. rwOF2) WOFF2Reader)r seekrreadfontTools.ttLib.woff2robject__new__)clsargskwargsinfile sfntVersionrs V/var/www/html/metafoliadorv2/venv/lib/python3.12/site-packages/fontTools/ttLib/sfnt.pyrzSFNTReader.__new__ sh C:%!WF KKNfkk!n-K KKNf$=~~k22~~c""cV||_||_d|_d|_t|_|jj d|jjd|_|jj d|jdk(rt|j}t|dr|s|j}|j}n|j}|j}d|cxkr|ksntd|dz z||_ |jj |||jjt }t#|t k7r t%dt'j(t*||n|jdk(rjd |_t,|_|jjt.}t#|t.k7r t%d t'j(t0||nW|jjt }t#|t k7r t%d t'j(t*||t3|j|_|jd vr t%d i} t5|j6D]G} |j } | j9|jt3| j:} | | | <It=t?| jAd|_!|jd k(rtE||_yy)Nrrsttcf offsetTable2z2specify a font number between 0 and %d (inclusive)'Not a Font Collection (not enough data)wOFFwoffz!Not a WOFF font (not enough data)z1Not a TrueType or OpenType font (not enough data))OTTOtruez1Not a TrueType or OpenType font (bad sfntVersion)c |djS)Nr )offset)is rz%SFNTReader.__init__..dsqt{{r)key)#filecheckChecksumsflavor flavorDataSFNTDirectoryEntryDirectoryEntryrrr readTTCHeaderhasattr numFonts2rnumFonts offsetTabler sfntDirectorySizelenr runpacksfntDirectoryFormatWOFFDirectoryEntrywoffDirectorySizewoffDirectoryFormatrrange numTablesfromFiletagr sorteditemstablesWOFFFlavorData) selfr,r- fontNumber _useLegacyTTCheaderr5r6datarDr)entryrAs r__init__zSFNTReader.__init__1s , 0 q99>>!, q   w &"499-Fv~.}!++$11 !??$00  -X-0H!|%%DM IINN;z2 399>>"34D4y-- !JKK NN.d ;    ( DK"4D 99>>"34D4y-- !DEE NN.d ;99>>"34D4y-- !TUU NN.d ;t//0   #G GPQ Q,.t~~& A'')E NN499 %eii.CF3K  "&=R"ST  ;;& ,T2DO !rc||jvSNrDrFrAs rhas_keyzSFNTReader.has_keyjsdkk!!rc6|jjSrN)rDkeysrFs rrSzSFNTReader.keysos{{!!rcr|jt|}|j|j}|jrw|dk(rt |dddz|ddz}n t |}|jdkDr||j k(s Jd|z|S||j k7rtjd||S)zFetch the raw table data.headN r zbad checksum for '%s' table) rDrloadDatar,r- calcChecksumcheckSumlogwarning)rFrArKrJchecksums r __getitem__zSFNTReader.__getitem__rs CH%~~dii(   f}'Ra;(>bc(JK'-""Q&5>>1V3PSV3VV1 U^^+ 93? rc0|jt|=yrN)rDrrPs r __delitem__zSFNTReader.__delitem__s KKC !rc8|jjyrN)r,closerTs rrdzSFNTReader.closes rct|jtr |jS|jj }|d=|jj |d<|jj |d<|S)Nr, _filename_filepos) isinstancer,r__dict__copynametellrFstates r __getstate__zSFNTReader.__getstate__sa dii )==  ""$ &M!YY^^k IINN,j rcd|vrJt|jdd|_|jj|jd|jj |y)Nr,rfrbrg)openpopr,rriupdaterms r __setstate__zSFNTReader.__setstate__sL  UYY{3T:DI IINN599Z0 1 U#rN)rF)rA str | bytesreturnbool)rxz KeysView[Tag])rArwrxbytes)rArwrxNone)rxr{) __name__ __module__ __qualname__rrLrQ __contains__rSr`rbrdrorurrr r s7#"73r"L"$" $rr Fr rW 2d) r rrrrrW cd|cxkrdksntd|ztr|dk(rddlm}|||Sddlm}||t |S)aECompress 'data' to Zlib format. If 'USE_ZOPFLI' variable is True, zopfli is used instead of the zlib module. The compression 'level' must be between 0 and 9. 1 gives best speed, 9 gives best compression (0 gives no compression at all). The default value is a compromise between speed and compression (6). rrzBad compression level: %s)compress) numiterations) ValueError USE_ZOPFLIzlibr zopfli.zlib ZOPFLI_LEVELS)rJlevelrs rrrsN O!O4u<== !!e$$(M%,@AArcJeZdZdZ d dZdZdZdZdZdZ d Z d Z y) SFNTWritercd}|r d|vr|d}n|rt|dkDr|d}|tur |dk(rddlm}tj |Stj |S)zpReturn an instance of the SFNTWriter sub-class which is compatible with the specified 'flavor'. Nr.rwoff2r) WOFF2Writer)r8rrrrr)rrrr.rs rrzSFNTWriter.__new__sd h&(H%F c$i!m!WF *  =~~k22~~c""rNcX||_||_t||_||_||_|jdk(r>t |_t|_ t|_ d|_ t|tzz|_nc|jrJd|jzt |_t|_ t"|_ ddlm}||d\|_|_|_|jj/|_|j0|jz||jj2zz|_|jj7|j4|jj9d|j4|jj/z zt;|_y)Nr#wOFFUnknown flavor '%s'rgetSearchRange)r,r?rrr.r/r=directoryFormatr< directorySizer;r1 signaturer7sfntDirectoryEntrySizeorigNextTableOffsetr:r0fontTools.ttLibr searchRange entrySelector rangeShiftrldirectoryOffset formatSizenextTableOffsetrwriter rD)rFr,r?rr.r/rs rrLzSFNTWriter.__init__s` "{+ $ ;;& #6D !2D "4D #DN"I0F$FF  ${{ G$9DKK$G G?#6D !2D "4D  6DR2E AD d0$/ $yy~~/     !$--888 9  t++, !5!5 8H!HIJ!m rcZ||jvrtd|z||j|<y)Ncannot rewrite '%s' table)rDr )rFrArKs rsetEntryzSFNTWriter.setEntrys- $++ 83>? ?  Crc||jvrtd|z|j}||_|j|_|dk(r+t |dddz|ddz|_||_d|_ nt ||_|j|j||jdk(r6|j|_|xj|jd zd zz c_ |j|j d zd zz|_|jj#d |j|jj%z z|j|jj%k(sJ|j'||y) zWrite raw table data to disk.rrVNrWrXrYTr#rr)rDr r1rArr(r[r\ headTable uncompressedsaveDatar,r.r origOffset origLengthlengthrrlr)rFrArJrKs r __setitem__zSFNTWriter.__setitem__sM $++ 83>? ?##% ++ &=)$r([*@49*LMEN!DN!%E )$/EN tyy$' ;;& #77E   $ $)9)9A)=(C C $#33 q8HB7NO !5!5 8H!HIJ##tyy~~'7777 c5!rc |j|SrNrOrPs rr`zSFNTWriter.__getitem__5s{{3rcht|jj}t||jk7r#t d|jt|fz|j dk(rd|_d|_d|_ |xjdt|zz c_ |D]*\}}|xj|jdzdzz c_ ,|jr |jn t}|j/|j#|j|_ |j|_nKt|d r1t!j"d |j$d d \|_ |_ndx|_ |_|j&rt|j&|_|j*j-dd|j*j/|_t3|j&}t||_|j*j7|ndx|_x|_|_|j8r|j*j-dd|j*j/}|dzdz}|j*j7d||z z|j*j/|_t|j8|_|j*j7|j8ndx|_|_|j*j-dd|j*j/|_n!|j rJd|j z tAjB|jD|}|j*j-|jF|jHzd} |D]\}}|dk(rd} ||jKz}!| r|jM||j*j-|jF|j*j7|y )zTAll tables must have been written to disk. Now write the directory. z-wrong number of tables; expected %d, found %dr#r"rrYrrrNrz>HHrrWrrrrVr )'rBrDrCr8r?r r.rreserved totalSfntSizerr/rE majorVersion minorVersionr3structr9rmetaDatametaOrigLengthr,rrl metaOffsetr metaLengthrprivData privOffset privLengthrrpackrrrtoStringwriteMasterChecksum) rFrDrArKrJcompressedMetaDataoff paddedOff directoryseenHeads rrdzSFNTWriter.close8sM ))+, v;$.. (?>>3v;/0  ;;& $DNDM!#D    "s6{"2 2 $ B U""u'7'7!';r&AA" B'+oo4??>;KD  ,1B1B1N$($5$5!$($5$5!4-;A==t~~a2<8D%t'8=>=D%(9}}&)$--&8# q!$"&)).."2%-dmm%<""%&8"9  23JKKK$/D4G}} q!$iinn& 1WN  S 9:"&)).."2"%dmm"4  .455$/ IINN1a ))..*DK{{ G$9DKK$G G? LL!5!5t<  t++d.@.@@A  5JCf}!ENN$44I 5   $ $Y / t++,  "rc,g}|jjD]*}|j|j|j,|jt k7rddlm}||jd\|_ |_ |_ tjt|}t|jj!}|D]f\}}t }|j"|_|j|_|j$|_|j(|_||j-z}ht.t1|jt2zz}|t1|k(sJ|jt5|t7|dz} d| z dz} | S)Nrrrl/ac)rDrSappendr\r1r0rrr?rrrrrr:rBrCrArr(rrrr7r8rr[sum) rFr checksumsrArrDrK sfntEntry directory_endr_checksumadjustments r_calcMasterChecksumzSFNTWriter._calcMasterChecksumsf ;;##% 8C   T[[-66 7 8   "4 4 6DRE AD d0$/ %8$?IDKK--/0F$ = U.0 % %*^^ "#(#3#3  #(#3#3  % (:(:(<<  =*C ,J.(83zA!!rc|j|}|jj|jdjdz|jj t jd|y)NrVrW>L)rr,rrDr(rrr)rFrrs rrzSFNTWriter.writeMasterChecksumsS!55i@ t{{6*11A56  D*<=>rcyNFrrTs rreordersTableszSFNTWriter.reordersTablessr)r$NN) r|r}r~rrLrrr`rdrrrrrrrrs>#,' /$b! "< E#N"@? rra > # big endian TTCTag: 4s # "ttcf" Version: L # 0x00010000 or 0x00020000 numFonts: L # number of fonts # OffsetTable[numFonts]: L # array with offsets from beginning of file # ulDsigTag: L # version 2.0 only # ulDsigLength: L # version 2.0 only # ulDsigOffset: L # version 2.0 only z > # big endian ulDsigTag: L # version 2.0 only ulDsigLength: L # version 2.0 only ulDsigOffset: L # version 2.0 only iiiiz > # big endian sfntVersion: 4s numTables: H # number of tables searchRange: H # (max2 <= numTables)*16 entrySelector: H # log2(max2 <= numTables) rangeShift: H # numTables*16-searchRange zc > # big endian tag: 4s checkSum: L offset: L length: L ab > # big endian signature: 4s # "wOFF" sfntVersion: 4s length: L # total woff file size numTables: H # number of tables reserved: H # set to 0 totalSfntSize: L # uncompressed size majorVersion: H # major version of WOFF file minorVersion: H # minor version of WOFF file metaOffset: L # offset to metadata block metaLength: L # length of compressed metadata metaOrigLength: L # length of uncompressed metadata privOffset: L # offset to private data block privLength: L # length of private data block z > # big endian tag: 4s offset: L length: L # compressed length origLength: L # original length checkSum: L # original checksum cBeZdZdZdZdZdZdZdZdZ dZ d Z y ) r1cd|_yr)rrTs rrLzDirectoryEntry.__init__s !rc|j|j}t||jk7r#td|jt|fzt j |j ||y)Nz?unexpected end of table directory: expected %d bytes but got %d)rrr8r rr9formatrFr,rJs rr@zDirectoryEntry.fromFilesayy) t9 'Q??CI./  t{{D$/rcFtj|j||yrN)rr9r)rFstrs r fromStringzDirectoryEntry.fromString st{{C.rcBtj|j|SrN)rrrrTs rrzDirectoryEntry.toString s||DKK..rct|dr/d|jj|jt |fzSd|jjt |fzS)NrAz<%s '%s' at %x>z <%s at %x>)r3 __class__r|rAidrTs r__repr__zDirectoryEntry.__repr__sN 4 $(?(?2d8'TT T4>>#:#:BtH"EE Erc|j|j|j|j}t ||jk7rIt |dd}t d| t|nd|jt ||jfzt|jdr|j|}|S)NrAzLunexpected end of '%s' table data: expected %d bytes but got %d at offset %d???? decodeData) rr(rrr8getattrr rr3rr)rFr,rJrAs rrZzDirectoryEntry.loadDatas $++yy% t9 #$t,C"!$CHVKKIKK    4>>< 0??4(D rct|jdr|j|}t||_|j |j |j|y)N encodeData)r3rrr8rrr(rrs rrzDirectoryEntry.saveData+sE 4>>< 0??4(D$i  $++ 4rc|SrNr)rFrawDatas rrzDirectoryEntry.decodeData2src|SrNr)rFrJs rrzDirectoryEntry.encodeData5s rN) r|r}r~rLr@rrrrZrrrrrrr1r1s0" 0//F ,rr1ceZdZeZeZy)r0N)r|r}r~sfntDirectoryEntryFormatrrrrrrr0r09s %F'Jrr0c2eZdZeZeZfdZdZdZ xZ S)r;cbtt| ttds t|_yy)NzlibCompressionLevel)superr;rLr3ZLIB_COMPRESSION_LEVELr)rFrs rrLzWOFFDirectoryEntry.__init__Bs-  $02)+AB(>D %Crcddl}|j|jk(r|}|Stt |ddxsd}|j|jk\r%t d||j|jfz|j |}t||jk7r$t d||jt|fz|S)NrrArzTcorrupt WOFF table '%s': compressed length %d is not smaller than original length %dzHunexpected size for decompressed WOFF table '%s': expected %d but got %d)rrrrrr decompressr8)rFrrrJrAs rrzWOFFDirectoryEntry.decodeDataMs ;;$// )D& gdE40:F;C{{doo- 6DKK9: ??7+D4yDOO+ -03T__c$i/PQ rct||_|jst||j}|jst|jk\r|}|j|_|S|}t||_|SrN)r8rrrrr)rFrJcompressedDatars rrzWOFFDirectoryEntry.encodeDatafsod)  %dD,E,EFN   N 3t FG//DK%Gg,DKr) r|r}r~woffDirectoryEntryFormatrwoffDirectoryEntrySizerrLrr __classcell__)rs@rr;r;>s %F'J ?2 rr;ceZdZdZddZdZy)rEr#Ncd|_d|_d|_d|_|r|j|_|j|_|jr|j j |j|j j|j}t||jk7r#td|jt|fz|j|}t||jk7r#td|jt|fz||_|jr|j j |j|j j|j}t||jk7r#td|jt|fz||_yyy)Nz=unexpected end of WOFF metadata: expected %d bytes but got %dzFunexpected size for decompressed WOFF metadata: expected %d but got %dzAunexpected end of WOFF private data: expected %d bytes but got %d)rrrrrr,rrrr8r _decompressrrr)rFreaderrrJs rrLzWOFFFlavorData.__init__ws     & 3 3D  & 3 3D      !2!23 ++**6+<+<=w<6#4#44$%(.(9(93w<'HI''0t9 5 55$14:4I4I3t93UV!%      !2!23{{''(9(9:t9 1 11$+.4.?.?T-KL!% !+ rc,ddl}|j|S)Nr)rr)rFrrs rrzWOFFFlavorData._decompresssw''rrN)r|r}r~FlavorrLrrrrrErEts F"%H(rrEc t|dz}|r |dd|z zz }d}d}|dzdk(sJtdt||D]@}||||z}tjdt|dzz|}|t |zdz}B|S)a,Calculate the checksum for an arbitrary block of data. If the data length is not a multiple of four, it assumes it is to be padded with null byte. >>> print(calcChecksum(b"abcd")) 1633837924 >>> print(calcChecksum(b"abcdxyz")) 3655064932 rrri>%dLr)r8r>rr9r)rJ remaindervalue blockSizer)blocklongss rr[r[sD A I Y'' EI q=A   1c$i +2QY' fE a8%@U#z12 Lrc`|jd|jt}t|tk7r t dt }t jt|||jdk7r t d|jttttfvsJd|jztjd|j z|j|j dz|_|jttfvrM|jt$}t|t$k7r t dt jt&|||jttfvr|jd}t|dk7r t dtjd|d|_|j|j(dz}t||j(dzk7r t dtjd|j(z||_|S) Nrr!ttcfzNot a Font Collectionunrecognized TTC version 0x%08xr rr)rr ttcHeaderSizer8r rrr9ttcHeaderFormatTTCTagVersionTTC_V1TTC_V1_1TTC_V2TTC_V2_1rr5r6 ttcTailSizeV2ttcTailFormatV2r4r)r,rJrFs rr2r2sIIaL 99] #D 4yM!BCC  D NN?D$/ {{f011 <FG GtT215yy!+, t9* *FG G"MM&4>>*A4H Krct}d|_||_|jttt t fvsJd|jz||_|jd|jtjt||j}|jtjd|jzgdg|jz|t t fvr'|jtjdddd|tt fvrQ|jtjd||jtjd|zgdg|z|S)Nrrrr z>3Lr)rrrrrrrr5rrrrrrlr)r,r5versionr4rFr(s rwriteTTCHeaderrs"  DDKDL <r0s #$!("B #g!A$A$J         0B&YY| !  1 !  1    %G$$%89*))*BC"%G$$%89*))*BC<V<~(( 33l*(*(Z0B,2Q, z CHH_W__  % %& r