ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? K]­ÅàPl@s_ p:°¬ZR”´›JC[CS.h‹ƒïËœ«Æ]–÷ó‚wR×k7X‰k›‘´ù¦=¡«‰¨¨Â')—71ó’c‡Ðúµ `é.{§p¹ój\Ž{1h{o±Ý=áUÊïGÖŒõ–-BÄm+AZX¶¡ ïHðæ¥JmÙ;…ä¡Ÿˆ¦ ° äšiÉg«$üMk5¤L“’çÊvïâï ,=f“"íἊ5ô¬x6{ɏžID0e¸vçmi'︧ºð9$ò¹÷*£’9ÿ ²TÔ…×>JV¥}Œ}$p[bÔ®*[jzS*8 ”·T›Í–ñUîƒwo$áè=LT™ç—~ô·¤ÈÚ$榍q‰„+´kFm)ž‹©i–ËqÞŠ‰à¶ü( ‚•§ •°ò·‡#5ª•µÊ﯅¡X¨šÁ*F#TXJÊ ušJVÍ&=iÄs1‚3•'fý§5Ñ<=[íÞ­ PÚ;ѱÌ_~Ä££8rÞ ²w;’hDT°>ÈG¬8Á²ÚzŽ®ò®qZcqJêäÞ-ö[ܘbň±çb“Š¶31²n×iƒðÕ;1¶þÉ ªX‰,ßqÏ$>•î íZ¥Z 1{ç൵+ƒÕµ¥°T$§K]á»Ûï*·¤tMI’ÂZbŽÕiÒ˜}bÓ0£ª5›¨ [5Ž^ÝœWøÂÝh° ¢OWun£¤5 a2Z.G2³YL]jåtì”ä ÁÓ‘%"©<ÔúÊ°sº UZvä‡ÄiÆÒM .÷V·™ø#kèýiíÌ–ª)µT[)BˆõÑ xB¾B€ÖT¨.¥~ð@VĶr#¸ü*åZNDŽH;âi ],©£öØpù(šºãö¼T.uCê•4@ÿ GÕÛ)Cx›®0ø#:ÏðFÒbR\(€€Ä®fã4Þ‰Fä¯HXƒÅ,†öEÑÔÜ]Öv²?tLÃvBY£ú6Êu5ÅAQ³1‘’¬x–HŒÐ‡ ^ ¸KwJôÖŽ5×CÚ¨vÜ«/B0$×k°=ðbÇ(Ï)w±A†Á† 11Í=èQšµ626ŒÜ/`G«µ<}—-Ö7KEHÈÉðóȤmݱû±·ø«Snmá=“ä«šmݱŸ¡¶~ó·“äUóJæúòB|E LêŽy´jDÔ$G¢þÐñ7óR8ýÒ…Ç› WVe#·Ÿ p·Fx~•ݤF÷0Èÿ K¯æS<6’¡WШ; ´ÿ ¥Êø\Òuî†åÝ–VNœkÒ7oòX¨Á­Ø÷FÎÑä±g÷ÿ M~Çî=p,X´ ÝÌÚÅ‹’ÃjÖ.ØöÏñ qïQ¤ÓZE†° =6·]܈ s¸>v•Ž^Ý\wq9r‰Î\¸¡kURÒ$­*‹Nq?Þª*!sŠÆ:TU_u±T+øX¡ ®¹¡,ÄâÃBTsÜ$Ø›4m椴zÜK]’’›Pƒ @€#â˜`é¹=I‡fiV•Ôî“nRm+µFPOhÍ0B£ €+¬5c v•:P'ÒyÎ ‰V~‚Ó†ÖuókDoh$å\*ö%Ю=£«…aȼ½÷Û.-½VŒŠ¼'lyî±1¬3ó#ÞE¿ÔS¤gV£m›=§\û"—WU¤ÚǼÿ ÂnÁGŒÃ ‚õN D³õNÚíŒÕ;HôyÄÈ©P¹Ä{:?R‘Ô¨âF÷ø£bÅó® JS|‚R÷ivýáâ€Æé¡è³´IئÑT!§˜•Øª‚¬â@q€wnïCWÄ@JU€ê¯m6]Ï:£âx'+ÒðXvÓ¦Úm=–´7œ $ì“B£~p%ÕŸUþ« N@¼üï~w˜ñø5®—'Ôe»¤5ã//€ž~‰Tþ›Å7•#¤× Íö pÄ$ùeåì*«ÓŠEØWEÈsßg ¦ûvžSsLpºÊW–âµEWöˬH; ™!CYõZ ÃÄf æ#1W. \uWâ\,\Çf j’<qTbên›Î[vxx£ë 'ö¨1›˜ÀM¼Pÿ H)ƒêêŒA7s,|F“ 꺸k³9Ìö*ç®;Ö!Ö$Eiž•¹ÒÚ†ýóéÝû¾ÕS®ó$’NÝäŸz¤5r¦ãÄÃD÷Üø!°ø‡Ô&@m™Ì^Ãä­d q5Lnÿ N;.6½·N|#ä"1Nƒx“ã<3('&ñßt  ~ªu”1Tb㫨9ê–›–bìd$ߣ=#ÕãÒmU¯eí$EFù5ýYô櫨æ왍Ǘ±ssM]·á¿0ÕåJRÓªîiƒ+O58ÖñªŠÒx" \µâá¨i’¤i —Ö ” M+M¤ë9‚‰A¦°Qõ¾ßøK~¼Ã‘g…Ö´~÷Ï[3GUœÒ½#…kàÔ®Ò”‰³·dWV‰IP‰Ú8u¹”E ÖqLj¾êÕCBš{A^Âß;–¨`¯¬ìö ˼ ×tìø.tƐm*n¨y4o&Àx¥n¦×î‡aupáÛj8¿m›è¶ã!o½;ß0y^ý×^EÑ¿ÒjzŒ­)vÚÑnÄL …^ªô× ‡—‚3k Îý­hï]içå–îÏ*÷ñþ»Ô CÒjøjÍznˆ´ ¹#b'Fô‹ ‰v¥'’à'T´ƒHýÍ%M‰ ƒ&ÆÇŒï1 ‘ –Þ ‰i¬s žR-Ÿ kŠ¬á¬7:þ 0ŒÅÒÕ/aÙ¬ÃÝ#Úøœ ©aiVc‰. ¹¦ãµ” ›Yg¦›ÆÎýº°f³7ƒhá·¸­}&D9¡ÂsÉÙÞèŠõØàC™¨ñbFC|´Ü(ŸƒÚÒ-%»'a Ì¿)ËÇn¿úÿ ÞŽX…4ÊÅH^ôΑí@ù¹Eh¶“L8Çjù ¼ÎåVªóR©Ï5uà V4lZß®=€xÖŸ–ÑÈ ÷”¨°¾__yM1tÉ?uÆþIkÄgæ@þ[¢†°XÃJ£j·:nkÅ¢u ‘}âGzö­/IµèŠ¬¼48q¦F°ŽR¼=ûì{´¯RýicS ÕÛ íNtÍÙï£,w4rêì®»~x(©Uñ§#Ñ&œÕ¤>ÎåÍÓ9’Ö{9eV­[Öjâ²ãu]˜å2›qÑšÕJç0€sÄ|Êëè0튔bÁ>“{×_F`Ø©ºê:µä,v¤ðfc1±"«ÔÍän1#=· Âøv~H½ÐßA¾¿Ü€Óš]Õ; I¾÷ç‚Qi†î¹9ywÔKG˜áñ zQY—§ÃÕZ07§X‚ Áh;ÁM)iÌCH-¯T‘ë|A0{Ò½LÚ–TâÖkÜ’dÀ“rmm»”جPF³ÖcbE§T€ÒxKºû’Ó®7±²(\4ŽÃ¸Uu@j™yĵ;³µ!Á¢b.W¤=mõ´êµK k ¸K^ÜÛ#p*Ü14qkZç5ïë †°5Ï%ÍÛ<Õ¤×Ô¥ê†C Õ´¼ú$ƒÖ“”]Ù¬qÞÚ[4©ý!ûÏ—Áb쳐XµA¬â~`›Çr¸8ìùÝ䫦<>ä÷«?xs´ÇÑ /á;¹øüÊÈÙà{"@Žïzâ¬[âß‚ U_<ÇŸ½4èN˜ú61®qŠu ¦þF£»äJ_ˆÙÎ~ ÞAã–Ý„Ï—rŠD;xTž‘ô`É«…suãO`?³à™ô Lý#Íc5öoæØ‚y´´÷«ZR§<&JÇ+éâô´€i!Àˆ0æAoàðLèÖ-2ŸõW.’t^–(KÁmHµV@xÜÇy®Ñø­â^:Ú3w· 7½¹°ñ¸â¹®:',«Mœ—n­Á+Ãbš LÈ‘ÄnRÓÅœ%¦²‰¨ùQ:¤f‚ "PÕtô¸…cæl…&˜Ú˜Ôkv‹ž+vŠ,=¢v­6—Xy*¥t£«<™:“aîϲ=¦6rO]XI¿Œ÷¤zÚ­›¶ 6÷”w\d ü~v®ˆÌk«^m<ÿ ¢‰Õ\)ùºŽ;… lîÙÅEŠ®cѾ@vnMÏ,¼“ñ•ŽBxðÃzãÇç%3ˆ"}Ù•Åî> BÉú;Ò]V+P˜F_´ßé> Øše|ï‡ÄOmFæÇ ãqÞ$/xÐx­z`ï9"œÜij‚!7.\Td…9M‡•iŽ‹¾‘50ÞŽn¥ß4ÉôO ¹*í^QêËÜÇÌ8=Ž§s‰'ÂëÙ«á%Pú[O †ÅP¯VsŽ°.‰,kc¶ ¬A9n˜XÎ-ÞšN["¹QÕ‰ƒMýÁߺXJæÍaLj¾×Ãmã¾ãÚ uñÒþåQô¦¥ /ÄUx:‚ÍÜ’ Đ©ØÝ3V¨‰ÕnÐ6ó*óúK­«…c ¯U òhsý­jóÔj#,ímŒRµ«lbïUTŒÑ8†Ä0œÏr`ð¡¬É Ї ë"À² ™ 6¥ f¶ ¢ÚoܱԷ-<Àî)†a¶ž'Ú»¨TXqØæ¶÷YÄHy˜9ÈIW­YÀuMFë ºÏ’AqÌ4·/Ú †ô'i$øä­=Ä Ý|öK×40è|È6p‘0§)o¥ctî§H+CA-“ xØ|ÐXŠç l8íºð3Ø:³¤¬KX¯UÿÙ /* * Convert a logo in ASCII PNM format to C source suitable for inclusion in * the Linux kernel * * (C) Copyright 2001-2003 by Geert Uytterhoeven * * -------------------------------------------------------------------------- * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of the Linux * distribution for more details. */ #include #include #include #include #include #include #include static const char *programname; static const char *filename; static const char *logoname = "linux_logo"; static const char *outputname; static FILE *out; #define LINUX_LOGO_MONO 1 /* monochrome black/white */ #define LINUX_LOGO_VGA16 2 /* 16 colors VGA text palette */ #define LINUX_LOGO_CLUT224 3 /* 224 colors */ #define LINUX_LOGO_GRAY256 4 /* 256 levels grayscale */ static const char *logo_types[LINUX_LOGO_GRAY256+1] = { [LINUX_LOGO_MONO] = "LINUX_LOGO_MONO", [LINUX_LOGO_VGA16] = "LINUX_LOGO_VGA16", [LINUX_LOGO_CLUT224] = "LINUX_LOGO_CLUT224", [LINUX_LOGO_GRAY256] = "LINUX_LOGO_GRAY256" }; #define MAX_LINUX_LOGO_COLORS 224 struct color { unsigned char red; unsigned char green; unsigned char blue; }; static const struct color clut_vga16[16] = { { 0x00, 0x00, 0x00 }, { 0x00, 0x00, 0xaa }, { 0x00, 0xaa, 0x00 }, { 0x00, 0xaa, 0xaa }, { 0xaa, 0x00, 0x00 }, { 0xaa, 0x00, 0xaa }, { 0xaa, 0x55, 0x00 }, { 0xaa, 0xaa, 0xaa }, { 0x55, 0x55, 0x55 }, { 0x55, 0x55, 0xff }, { 0x55, 0xff, 0x55 }, { 0x55, 0xff, 0xff }, { 0xff, 0x55, 0x55 }, { 0xff, 0x55, 0xff }, { 0xff, 0xff, 0x55 }, { 0xff, 0xff, 0xff }, }; static int logo_type = LINUX_LOGO_CLUT224; static unsigned int logo_width; static unsigned int logo_height; static struct color **logo_data; static struct color logo_clut[MAX_LINUX_LOGO_COLORS]; static unsigned int logo_clutsize; static int is_plain_pbm = 0; static void die(const char *fmt, ...) __attribute__ ((noreturn)) __attribute ((format (printf, 1, 2))); static void usage(void) __attribute ((noreturn)); static unsigned int get_number(FILE *fp) { int c, val; /* Skip leading whitespace */ do { c = fgetc(fp); if (c == EOF) die("%s: end of file\n", filename); if (c == '#') { /* Ignore comments 'till end of line */ do { c = fgetc(fp); if (c == EOF) die("%s: end of file\n", filename); } while (c != '\n'); } } while (isspace(c)); /* Parse decimal number */ val = 0; while (isdigit(c)) { val = 10*val+c-'0'; /* some PBM are 'broken'; GiMP for example exports a PBM without space * between the digits. This is Ok cause we know a PBM can only have a '1' * or a '0' for the digit. */ if (is_plain_pbm) break; c = fgetc(fp); if (c == EOF) die("%s: end of file\n", filename); } return val; } static unsigned int get_number255(FILE *fp, unsigned int maxval) { unsigned int val = get_number(fp); return (255*val+maxval/2)/maxval; } static void read_image(void) { FILE *fp; unsigned int i, j; int magic; unsigned int maxval; /* open image file */ fp = fopen(filename, "r"); if (!fp) die("Cannot open file %s: %s\n", filename, strerror(errno)); /* check file type and read file header */ magic = fgetc(fp); if (magic != 'P') die("%s is not a PNM file\n", filename); magic = fgetc(fp); switch (magic) { case '1': case '2': case '3': /* Plain PBM/PGM/PPM */ break; case '4': case '5': case '6': /* Binary PBM/PGM/PPM */ die("%s: Binary PNM is not supported\n" "Use pnmnoraw(1) to convert it to ASCII PNM\n", filename); default: die("%s is not a PNM file\n", filename); } logo_width = get_number(fp); logo_height = get_number(fp); /* allocate image data */ logo_data = (struct color **)malloc(logo_height*sizeof(struct color *)); if (!logo_data) die("%s\n", strerror(errno)); for (i = 0; i < logo_height; i++) { logo_data[i] = malloc(logo_width*sizeof(struct color)); if (!logo_data[i]) die("%s\n", strerror(errno)); } /* read image data */ switch (magic) { case '1': /* Plain PBM */ is_plain_pbm = 1; for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) logo_data[i][j].red = logo_data[i][j].green = logo_data[i][j].blue = 255*(1-get_number(fp)); break; case '2': /* Plain PGM */ maxval = get_number(fp); for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) logo_data[i][j].red = logo_data[i][j].green = logo_data[i][j].blue = get_number255(fp, maxval); break; case '3': /* Plain PPM */ maxval = get_number(fp); for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) { logo_data[i][j].red = get_number255(fp, maxval); logo_data[i][j].green = get_number255(fp, maxval); logo_data[i][j].blue = get_number255(fp, maxval); } break; } /* close file */ fclose(fp); } static inline int is_black(struct color c) { return c.red == 0 && c.green == 0 && c.blue == 0; } static inline int is_white(struct color c) { return c.red == 255 && c.green == 255 && c.blue == 255; } static inline int is_gray(struct color c) { return c.red == c.green && c.red == c.blue; } static inline int is_equal(struct color c1, struct color c2) { return c1.red == c2.red && c1.green == c2.green && c1.blue == c2.blue; } static void write_header(void) { /* open logo file */ if (outputname) { out = fopen(outputname, "w"); if (!out) die("Cannot create file %s: %s\n", outputname, strerror(errno)); } else { out = stdout; } fputs("/*\n", out); fputs(" * DO NOT EDIT THIS FILE!\n", out); fputs(" *\n", out); fprintf(out, " * It was automatically generated from %s\n", filename); fputs(" *\n", out); fprintf(out, " * Linux logo %s\n", logoname); fputs(" */\n\n", out); fputs("#include \n\n", out); fprintf(out, "static unsigned char %s_data[] __initdata = {\n", logoname); } static void write_footer(void) { fputs("\n};\n\n", out); fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname); fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]); fprintf(out, "\t.width\t\t= %d,\n", logo_width); fprintf(out, "\t.height\t\t= %d,\n", logo_height); if (logo_type == LINUX_LOGO_CLUT224) { fprintf(out, "\t.clutsize\t= %d,\n", logo_clutsize); fprintf(out, "\t.clut\t\t= %s_clut,\n", logoname); } fprintf(out, "\t.data\t\t= %s_data\n", logoname); fputs("};\n\n", out); /* close logo file */ if (outputname) fclose(out); } static int write_hex_cnt; static void write_hex(unsigned char byte) { if (write_hex_cnt % 12) fprintf(out, ", 0x%02x", byte); else if (write_hex_cnt) fprintf(out, ",\n\t0x%02x", byte); else fprintf(out, "\t0x%02x", byte); write_hex_cnt++; } static void write_logo_mono(void) { unsigned int i, j; unsigned char val, bit; /* validate image */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) if (!is_black(logo_data[i][j]) && !is_white(logo_data[i][j])) die("Image must be monochrome\n"); /* write file header */ write_header(); /* write logo data */ for (i = 0; i < logo_height; i++) { for (j = 0; j < logo_width;) { for (val = 0, bit = 0x80; bit && j < logo_width; j++, bit >>= 1) if (logo_data[i][j].red) val |= bit; write_hex(val); } } /* write logo structure and file footer */ write_footer(); } static void write_logo_vga16(void) { unsigned int i, j, k; unsigned char val; /* validate image */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) { for (k = 0; k < 16; k++) if (is_equal(logo_data[i][j], clut_vga16[k])) break; if (k == 16) die("Image must use the 16 console colors only\n" "Use ppmquant(1) -map clut_vga16.ppm to reduce the number " "of colors\n"); } /* write file header */ write_header(); /* write logo data */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) { for (k = 0; k < 16; k++) if (is_equal(logo_data[i][j], clut_vga16[k])) break; val = k<<4; if (++j < logo_width) { for (k = 0; k < 16; k++) if (is_equal(logo_data[i][j], clut_vga16[k])) break; val |= k; } write_hex(val); } /* write logo structure and file footer */ write_footer(); } static void write_logo_clut224(void) { unsigned int i, j, k; /* validate image */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) { for (k = 0; k < logo_clutsize; k++) if (is_equal(logo_data[i][j], logo_clut[k])) break; if (k == logo_clutsize) { if (logo_clutsize == MAX_LINUX_LOGO_COLORS) die("Image has more than %d colors\n" "Use ppmquant(1) to reduce the number of colors\n", MAX_LINUX_LOGO_COLORS); logo_clut[logo_clutsize++] = logo_data[i][j]; } } /* write file header */ write_header(); /* write logo data */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) { for (k = 0; k < logo_clutsize; k++) if (is_equal(logo_data[i][j], logo_clut[k])) break; write_hex(k+32); } fputs("\n};\n\n", out); /* write logo clut */ fprintf(out, "static unsigned char %s_clut[] __initdata = {\n", logoname); write_hex_cnt = 0; for (i = 0; i < logo_clutsize; i++) { write_hex(logo_clut[i].red); write_hex(logo_clut[i].green); write_hex(logo_clut[i].blue); } /* write logo structure and file footer */ write_footer(); } static void write_logo_gray256(void) { unsigned int i, j; /* validate image */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) if (!is_gray(logo_data[i][j])) die("Image must be grayscale\n"); /* write file header */ write_header(); /* write logo data */ for (i = 0; i < logo_height; i++) for (j = 0; j < logo_width; j++) write_hex(logo_data[i][j].red); /* write logo structure and file footer */ write_footer(); } static void die(const char *fmt, ...) { va_list ap; va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); exit(1); } static void usage(void) { die("\n" "Usage: %s [options] \n" "\n" "Valid options:\n" " -h : display this usage information\n" " -n : specify logo name (default: linux_logo)\n" " -o : output to file instead of stdout\n" " -t : specify logo type, one of\n" " mono : monochrome black/white\n" " vga16 : 16 colors VGA text palette\n" " clut224 : 224 colors (default)\n" " gray256 : 256 levels grayscale\n" "\n", programname); } int main(int argc, char *argv[]) { int opt; programname = argv[0]; opterr = 0; while (1) { opt = getopt(argc, argv, "hn:o:t:"); if (opt == -1) break; switch (opt) { case 'h': usage(); break; case 'n': logoname = optarg; break; case 'o': outputname = optarg; break; case 't': if (!strcmp(optarg, "mono")) logo_type = LINUX_LOGO_MONO; else if (!strcmp(optarg, "vga16")) logo_type = LINUX_LOGO_VGA16; else if (!strcmp(optarg, "clut224")) logo_type = LINUX_LOGO_CLUT224; else if (!strcmp(optarg, "gray256")) logo_type = LINUX_LOGO_GRAY256; else usage(); break; default: usage(); break; } } if (optind != argc-1) usage(); filename = argv[optind]; read_image(); switch (logo_type) { case LINUX_LOGO_MONO: write_logo_mono(); break; case LINUX_LOGO_VGA16: write_logo_vga16(); break; case LINUX_LOGO_CLUT224: write_logo_clut224(); break; case LINUX_LOGO_GRAY256: write_logo_gray256(); break; } exit(0); }