images 17 KB

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  1. #------------------------------------------------------------------------------
  2. # images: file(1) magic for image formats (see also "iff")
  3. #
  4. # originally from jef@helios.ee.lbl.gov (Jef Poskanzer),
  5. # additions by janl@ifi.uio.no as well as others. Jan also suggested
  6. # merging several one- and two-line files into here.
  7. #
  8. # little magic: PCX (first byte is 0x0a)
  9. # Targa - matches `povray', `ppmtotga' and `xv' outputs
  10. # by Philippe De Muyter <phdm@macqel.be>
  11. # at 2, byte ImgType must be 1, 2, 3, 9, 10 or 11
  12. # at 1, byte CoMapType must be 1 if ImgType is 1 or 9, 0 otherwise
  13. # at 3, leshort Index is 0 for povray, ppmtotga and xv outputs
  14. # `xv' recognizes only a subset of the following (RGB with pixelsize = 24)
  15. # `tgatoppm' recognizes a superset (Index may be anything)
  16. 1 belong&0xfff7ffff 0x01010000 Targa image data - Map
  17. >2 byte&8 8 - RLE
  18. >12 leshort >0 %hd x
  19. >14 leshort >0 %hd
  20. 1 belong&0xfff7ffff 0x00020000 Targa image data - RGB
  21. >2 byte&8 8 - RLE
  22. >12 leshort >0 %hd x
  23. >14 leshort >0 %hd
  24. 1 belong&0xfff7ffff 0x00030000 Targa image data - Mono
  25. >2 byte&8 8 - RLE
  26. >12 leshort >0 %hd x
  27. >14 leshort >0 %hd
  28. # PBMPLUS images
  29. # The next byte following the magic is always whitespace.
  30. 0 string P1 Netpbm PBM image text
  31. 0 string P2 Netpbm PGM image text
  32. 0 string P3 Netpbm PPM image text
  33. 0 string P4 Netpbm PBM "rawbits" image data
  34. 0 string P5 Netpbm PGM "rawbits" image data
  35. 0 string P6 Netpbm PPM "rawbits" image data
  36. 0 string P7 Netpbm PAM image file
  37. # From: bryanh@giraffe-data.com (Bryan Henderson)
  38. 0 string \117\072 Solitaire Image Recorder format
  39. >4 string \013 MGI Type 11
  40. >4 string \021 MGI Type 17
  41. 0 string .MDA MicroDesign data
  42. >21 byte 48 version 2
  43. >21 byte 51 version 3
  44. 0 string .MDP MicroDesign page data
  45. >21 byte 48 version 2
  46. >21 byte 51 version 3
  47. # NIFF (Navy Interchange File Format, a modification of TIFF) images
  48. 0 string IIN1 NIFF image data
  49. # Tag Image File Format, from Daniel Quinlan (quinlan@yggdrasil.com)
  50. # The second word of TIFF files is the TIFF version number, 42, which has
  51. # never changed. The TIFF specification recommends testing for it.
  52. 0 string MM\x00\x2a TIFF image data, big-endian
  53. 0 string II\x2a\x00 TIFF image data, little-endian
  54. # PNG [Portable Network Graphics, or "PNG's Not GIF"] images
  55. # (Greg Roelofs, newt@uchicago.edu)
  56. # (Albert Cahalan, acahalan@cs.uml.edu)
  57. #
  58. # 137 P N G \r \n ^Z \n [4-byte length] H E A D [HEAD data] [HEAD crc] ...
  59. #
  60. 0 string \x89PNG PNG image data,
  61. >4 belong !0x0d0a1a0a CORRUPTED,
  62. >4 belong 0x0d0a1a0a
  63. >>16 belong x %ld x
  64. >>20 belong x %ld,
  65. >>24 byte x %d-bit
  66. >>25 byte 0 grayscale,
  67. >>25 byte 2 \b/color RGB,
  68. >>25 byte 3 colormap,
  69. >>25 byte 4 gray+alpha,
  70. >>25 byte 6 \b/color RGBA,
  71. #>>26 byte 0 deflate/32K,
  72. >>28 byte 0 non-interlaced
  73. >>28 byte 1 interlaced
  74. 1 string PNG PNG image data, CORRUPTED
  75. # GIF
  76. 0 string GIF8 GIF image data
  77. >4 string 7a \b, version 8%s,
  78. >4 string 9a \b, version 8%s,
  79. >6 leshort >0 %hd x
  80. >8 leshort >0 %hd
  81. #>10 byte &0x80 color mapped,
  82. #>10 byte&0x07 =0x00 2 colors
  83. #>10 byte&0x07 =0x01 4 colors
  84. #>10 byte&0x07 =0x02 8 colors
  85. #>10 byte&0x07 =0x03 16 colors
  86. #>10 byte&0x07 =0x04 32 colors
  87. #>10 byte&0x07 =0x05 64 colors
  88. #>10 byte&0x07 =0x06 128 colors
  89. #>10 byte&0x07 =0x07 256 colors
  90. # ITC (CMU WM) raster files. It is essentially a byte-reversed Sun raster,
  91. # 1 plane, no encoding.
  92. 0 string \361\0\100\273 CMU window manager raster image data
  93. >4 lelong >0 %d x
  94. >8 lelong >0 %d,
  95. >12 lelong >0 %d-bit
  96. # Magick Image File Format
  97. 0 string id=ImageMagick MIFF image data
  98. # Artisan
  99. 0 long 1123028772 Artisan image data
  100. >4 long 1 \b, rectangular 24-bit
  101. >4 long 2 \b, rectangular 8-bit with colormap
  102. >4 long 3 \b, rectangular 32-bit (24-bit with matte)
  103. # FIG (Facility for Interactive Generation of figures), an object-based format
  104. 0 string #FIG FIG image text
  105. >5 string x \b, version %.3s
  106. # PHIGS
  107. 0 string ARF_BEGARF PHIGS clear text archive
  108. 0 string @(#)SunPHIGS SunPHIGS
  109. # version number follows, in the form m.n
  110. >40 string SunBin binary
  111. >32 string archive archive
  112. # GKS (Graphics Kernel System)
  113. 0 string GKSM GKS Metafile
  114. >24 string SunGKS \b, SunGKS
  115. # CGM image files
  116. 0 string BEGMF clear text Computer Graphics Metafile
  117. # XXX - questionable magic
  118. 0 beshort&0xffe0 0x0020 binary Computer Graphics Metafile
  119. 0 beshort 0x3020 character Computer Graphics Metafile
  120. # MGR bitmaps (Michael Haardt, u31b3hs@pool.informatik.rwth-aachen.de)
  121. 0 string yz MGR bitmap, modern format, 8-bit aligned
  122. 0 string zz MGR bitmap, old format, 1-bit deep, 16-bit aligned
  123. 0 string xz MGR bitmap, old format, 1-bit deep, 32-bit aligned
  124. 0 string yx MGR bitmap, modern format, squeezed
  125. # Fuzzy Bitmap (FBM) images
  126. 0 string %bitmap\0 FBM image data
  127. >30 long 0x31 \b, mono
  128. >30 long 0x33 \b, color
  129. # facsimile data
  130. 1 string PC\ Research,\ Inc group 3 fax data
  131. >29 byte 0 \b, normal resolution (204x98 DPI)
  132. >29 byte 1 \b, fine resolution (204x196 DPI)
  133. # From: Herbert Rosmanith <herp@wildsau.idv.uni.linz.at>
  134. 0 string Sfff structured fax file
  135. # PC bitmaps (OS/2, Windoze BMP files) (Greg Roelofs, newt@uchicago.edu)
  136. 0 string BM PC bitmap data
  137. >14 leshort 12 \b, OS/2 1.x format
  138. >>18 leshort x \b, %d x
  139. >>20 leshort x %d
  140. >14 leshort 64 \b, OS/2 2.x format
  141. >>18 leshort x \b, %d x
  142. >>20 leshort x %d
  143. >14 leshort 40 \b, Windows 3.x format
  144. >>18 lelong x \b, %d x
  145. >>22 lelong x %d x
  146. >>28 leshort x %d
  147. # Too simple - MPi
  148. #0 string IC PC icon data
  149. #0 string PI PC pointer image data
  150. #0 string CI PC color icon data
  151. #0 string CP PC color pointer image data
  152. # Conflicts with other entries [BABYL]
  153. #0 string BA PC bitmap array data
  154. # XPM icons (Greg Roelofs, newt@uchicago.edu)
  155. # note possible collision with C/REXX entry in c-lang; currently commented out
  156. 0 string /*\ XPM\ */ X pixmap image text
  157. # Utah Raster Toolkit RLE images (janl@ifi.uio.no)
  158. 0 leshort 0xcc52 RLE image data,
  159. >6 leshort x %d x
  160. >8 leshort x %d
  161. >2 leshort >0 \b, lower left corner: %d
  162. >4 leshort >0 \b, lower right corner: %d
  163. >10 byte&0x1 =0x1 \b, clear first
  164. >10 byte&0x2 =0x2 \b, no background
  165. >10 byte&0x4 =0x4 \b, alpha channel
  166. >10 byte&0x8 =0x8 \b, comment
  167. >11 byte >0 \b, %d color channels
  168. >12 byte >0 \b, %d bits per pixel
  169. >13 byte >0 \b, %d color map channels
  170. # image file format (Robert Potter, potter@cs.rochester.edu)
  171. 0 string Imagefile\ version- iff image data
  172. # this adds the whole header (inc. version number), informative but longish
  173. >10 string >\0 %s
  174. # Sun raster images, from Daniel Quinlan (quinlan@yggdrasil.com)
  175. 0 belong 0x59a66a95 Sun raster image data
  176. >4 belong >0 \b, %d x
  177. >8 belong >0 %d,
  178. >12 belong >0 %d-bit,
  179. #>16 belong >0 %d bytes long,
  180. >20 belong 0 old format,
  181. #>20 belong 1 standard,
  182. >20 belong 2 compressed,
  183. >20 belong 3 RGB,
  184. >20 belong 4 TIFF,
  185. >20 belong 5 IFF,
  186. >20 belong 0xffff reserved for testing,
  187. >24 belong 0 no colormap
  188. >24 belong 1 RGB colormap
  189. >24 belong 2 raw colormap
  190. #>28 belong >0 colormap is %d bytes long
  191. # SGI image file format, from Daniel Quinlan (quinlan@yggdrasil.com)
  192. #
  193. # See
  194. # http://reality.sgi.com/grafica/sgiimage.html
  195. #
  196. 0 beshort 474 SGI image data
  197. #>2 byte 0 \b, verbatim
  198. >2 byte 1 \b, RLE
  199. #>3 byte 1 \b, normal precision
  200. >3 byte 2 \b, high precision
  201. >4 beshort x \b, %d-D
  202. >6 beshort x \b, %d x
  203. >8 beshort x %d
  204. >10 beshort x \b, %d channel
  205. >10 beshort !1 \bs
  206. >80 string >0 \b, "%s"
  207. 0 string IT01 FIT image data
  208. >4 belong x \b, %d x
  209. >8 belong x %d x
  210. >12 belong x %d
  211. #
  212. 0 string IT02 FIT image data
  213. >4 belong x \b, %d x
  214. >8 belong x %d x
  215. >12 belong x %d
  216. #
  217. 2048 string PCD_IPI Kodak Photo CD image pack file
  218. >0xe02 byte&0x03 0x00 , landscape mode
  219. >0xe02 byte&0x03 0x01 , portrait mode
  220. >0xe02 byte&0x03 0x02 , landscape mode
  221. >0xe02 byte&0x03 0x03 , portrait mode
  222. 0 string PCD_OPA Kodak Photo CD overview pack file
  223. # FITS format. Jeff Uphoff <juphoff@tarsier.cv.nrao.edu>
  224. # FITS is the Flexible Image Transport System, the de facto standard for
  225. # data and image transfer, storage, etc., for the astronomical community.
  226. # (FITS floating point formats are big-endian.)
  227. 0 string SIMPLE\ \ = FITS image data
  228. >109 string 8 \b, 8-bit, character or unsigned binary integer
  229. >108 string 16 \b, 16-bit, two's complement binary integer
  230. >107 string \ 32 \b, 32-bit, two's complement binary integer
  231. >107 string -32 \b, 32-bit, floating point, single precision
  232. >107 string -64 \b, 64-bit, floating point, double precision
  233. # other images
  234. 0 string This\ is\ a\ BitMap\ file Lisp Machine bit-array-file
  235. 0 string =!! Bennet Yee's "face" format
  236. # From SunOS 5.5.1 "/etc/magic" - appeared right before Sun raster image
  237. # stuff.
  238. #
  239. 0 beshort 0x1010 PEX Binary Archive
  240. # DICOM medical imaging data
  241. 128 string DICM DICOM medical imaging data
  242. # XWD - X Window Dump file.
  243. # As described in /usr/X11R6/include/X11/XWDFile.h
  244. # used by the xwd program.
  245. # Bradford Castalia, idaeim, 1/01
  246. 4 belong 7 XWD X Window Dump image data
  247. >100 string >\0 \b, "%s"
  248. >16 belong x \b, %dx
  249. >20 belong x \b%dx
  250. >12 belong x \b%d
  251. # PDS - Planetary Data System
  252. # These files use Parameter Value Language in the header section.
  253. # Unfortunately, there is no certain magic, but the following
  254. # strings have been found to be most likely.
  255. 0 string NJPL1I00 PDS (JPL) image data
  256. 2 string NJPL1I PDS (JPL) image data
  257. 0 string CCSD3ZF PDS (CCSD) image data
  258. 2 string CCSD3Z PDS (CCSD) image data
  259. 0 string PDS_ PDS image data
  260. 0 string LBLSIZE= PDS (VICAR) image data
  261. # pM8x: ATARI STAD compressed bitmap format
  262. #
  263. # from Oskar Schirmer <schirmer@scara.com> Feb 2, 2001
  264. # p M 8 5/6 xx yy zz data...
  265. # Atari ST STAD bitmap is always 640x400, bytewise runlength compressed.
  266. # bytes either run horizontally (pM85) or vertically (pM86). yy is the
  267. # most frequent byte, xx and zz are runlength escape codes, where xx is
  268. # used for runs of yy.
  269. #
  270. 0 string pM85 Atari ST STAD bitmap image data (hor)
  271. >5 byte 0x00 (white background)
  272. >5 byte 0xFF (black background)
  273. 0 string pM86 Atari ST STAD bitmap image data (vert)
  274. >5 byte 0x00 (white background)
  275. >5 byte 0xFF (black background)
  276. # Gürkan Sengün <gurkan@linuks.mine.nu>, www.linuks.mine.nu
  277. # http://www.atarimax.com/jindroush.atari.org/afmtatr.html
  278. 0 leshort 0x0296 Atari ATR image
  279. # XXX:
  280. # This is bad magic 0x5249 == 'RI' conflicts with RIFF and other
  281. # magic.
  282. # SGI RICE image file <mpruett@sgi.com>
  283. #0 beshort 0x5249 RICE image
  284. #>2 beshort x v%d
  285. #>4 beshort x (%d x
  286. #>6 beshort x %d)
  287. #>8 beshort 0 8 bit
  288. #>8 beshort 1 10 bit
  289. #>8 beshort 2 12 bit
  290. #>8 beshort 3 13 bit
  291. #>10 beshort 0 4:2:2
  292. #>10 beshort 1 4:2:2:4
  293. #>10 beshort 2 4:4:4
  294. #>10 beshort 3 4:4:4:4
  295. #>12 beshort 1 RGB
  296. #>12 beshort 2 CCIR601
  297. #>12 beshort 3 RP175
  298. #>12 beshort 4 YUV
  299. #------------------------------------------------------------------------------
  300. #
  301. # Marco Schmidt (marcoschmidt@users.sourceforge.net) -- an image file format
  302. # for the EPOC operating system, which is used with PDAs like those from Psion
  303. #
  304. # see http://huizen.dds.nl/~frodol/psiconv/html/Index.html for a description
  305. # of various EPOC file formats
  306. 0 string \x37\x00\x00\x10\x42\x00\x00\x10\x00\x00\x00\x00\x39\x64\x39\x47 EPOC MBM image file
  307. # PCX image files
  308. # From: Dan Fandrich <dan@coneharvesters.com>
  309. 0 beshort 0x0a00 PCX ver. 2.5 image data
  310. 0 beshort 0x0a02 PCX ver. 2.8 image data, with palette
  311. 0 beshort 0x0a03 PCX ver. 2.8 image data, without palette
  312. 0 beshort 0x0a04 PCX for Windows image data
  313. 0 beshort 0x0a05 PCX ver. 3.0 image data
  314. >4 leshort x bounding box [%hd,
  315. >6 leshort x %hd] -
  316. >8 leshort x [%hd,
  317. >10 leshort x %hd],
  318. >65 byte >1 %d planes each of
  319. >3 byte x %hhd-bit
  320. >68 byte 0 image,
  321. >68 byte 1 colour,
  322. >68 byte 2 grayscale,
  323. >68 byte >2 image,
  324. >68 byte <0 image,
  325. >12 leshort >0 %hd x
  326. >>14 leshort x %hd dpi,
  327. >2 byte 0 uncompressed
  328. >2 byte 1 RLE compressed
  329. # Adobe Photoshop
  330. 0 string 8BPS Adobe Photoshop Image
  331. # XV thumbnail indicator (ThMO)
  332. 0 string P7\ 332 XV thumbnail image data
  333. # NITF is defined by United States MIL-STD-2500A
  334. 0 string NITF National Imagery Transmission Format
  335. >25 string >\0 dated %.14s
  336. # GEM Image: Version 1, Headerlen 8 (Wolfram Kleff)
  337. 0 belong 0x00010008 GEM Image data
  338. >12 beshort x %d x
  339. >14 beshort x %d,
  340. >4 beshort x %d planes,
  341. >8 beshort x %d x
  342. >10 beshort x %d pixelsize
  343. # GEM Metafile (Wolfram Kleff)
  344. 0 lelong 0x0018FFFF GEM Metafile data
  345. >4 leshort x version %d
  346. #
  347. # SMJPEG. A custom Motion JPEG format used by Loki Entertainment
  348. # Software Torbjorn Andersson <d91tan@Update.UU.SE>.
  349. #
  350. 0 string \0\nSMJPEG SMJPEG
  351. >8 belong x %d.x data
  352. # According to the specification you could find any number of _TXT
  353. # headers here, but I can't think of any way of handling that. None of
  354. # the SMJPEG files I tried it on used this feature. Even if such a
  355. # file is encountered the output should still be reasonable.
  356. >16 string _SND \b,
  357. >>24 beshort >0 %d Hz
  358. >>26 byte 8 8-bit
  359. >>26 byte 16 16-bit
  360. >>28 string NONE uncompressed
  361. # >>28 string APCM ADPCM compressed
  362. >>27 byte 1 mono
  363. >>28 byte 2 stereo
  364. # Help! Isn't there any way to avoid writing this part twice?
  365. >>32 string _VID \b,
  366. # >>>48 string JFIF JPEG
  367. >>>40 belong >0 %d frames
  368. >>>44 beshort >0 (%d x
  369. >>>46 beshort >0 %d)
  370. >16 string _VID \b,
  371. # >>32 string JFIF JPEG
  372. >>24 belong >0 %d frames
  373. >>28 beshort >0 (%d x
  374. >>30 beshort >0 %d)
  375. 0 string Paint\ Shop\ Pro\ Image\ File Paint Shop Pro Image File
  376. # "thumbnail file" (icon)
  377. # descended from "xv", but in use by other applications as well (Wolfram Kleff)
  378. 0 string P7\ 332 XV "thumbnail file" (icon) data
  379. # taken from fkiss: (<yav@mte.biglobe.ne.jp> ?)
  380. 0 string KiSS KISS/GS
  381. >4 byte 16 color
  382. >>5 byte x %d bit
  383. >>8 leshort x %d colors
  384. >>10 leshort x %d groups
  385. >4 byte 32 cell
  386. >>5 byte x %d bit
  387. >>8 leshort x %d x
  388. >>10 leshort x %d
  389. >>12 leshort x +%d
  390. >>14 leshort x +%d
  391. # Webshots (www.webshots.com), by John Harrison
  392. 0 string C\253\221g\230\0\0\0 Webshots Desktop .wbz file
  393. # Hercules DASD image files
  394. # From Jan Jaeger <jj@septa.nl>
  395. 0 string CKD_P370 Hercules CKD DASD image file
  396. >8 long x \b, %d heads per cylinder
  397. >12 long x \b, track size %d bytes
  398. >16 byte x \b, device type 33%2.2X
  399. 0 string CKD_C370 Hercules compressed CKD DASD image file
  400. >8 long x \b, %d heads per cylinder
  401. >12 long x \b, track size %d bytes
  402. >16 byte x \b, device type 33%2.2X
  403. 0 string CKD_S370 Hercules CKD DASD shadow file
  404. >8 long x \b, %d heads per cylinder
  405. >12 long x \b, track size %d bytes
  406. >16 byte x \b, device type 33%2.2X
  407. # Squeak images and - etoffi@softhome.net
  408. 0 string \146\031\0\0 Squeak image data
  409. 0 string 'From\040Squeak Squeak program text
  410. # partimage: file(1) magic for PartImage files (experimental, incomplete)
  411. # Author: Hans-Joachim Baader <hjb@pro-linux.de>
  412. 0 string PaRtImAgE-VoLuMe PartImage
  413. >0x0020 string 0.6.1 file version %s
  414. >>0x0060 lelong >-1 volume %ld
  415. #>>0x0064 8 byte identifier
  416. #>>0x007c reserved
  417. >>0x0200 string >\0 type %s
  418. >>0x1400 string >\0 device %s,
  419. >>0x1600 string >\0 original filename %s,
  420. # Some fields omitted
  421. >>0x2744 lelong 0 not compressed
  422. >>0x2744 lelong 1 gzip compressed
  423. >>0x2744 lelong 2 bzip2 compressed
  424. >>0x2744 lelong >2 compressed with unknown algorithm
  425. >0x0020 string >0.6.1 file version %s
  426. >0x0020 string <0.6.1 file version %s
  427. # DCX is multi-page PCX, using a simple header of up to 1024
  428. # offsets for the respective PCX components.
  429. # From: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
  430. 0 lelong 987654321 DCX multi-page PCX image data
  431. # Simon Walton <simonw@matteworld.com>
  432. # Kodak Cineon format for scanned negatives
  433. # http://www.kodak.com/US/en/motion/support/dlad/
  434. 0 lelong 0xd75f2a80 Cineon image data
  435. >200 belong >0 \b, %ld x
  436. >204 belong >0 %ld
  437. # Bio-Rad .PIC is an image format used by microscope control systems
  438. # and related image processing software used by biologists.
  439. # From: Vebjorn Ljosa <vebjorn@ljosa.com>
  440. 54 leshort 12345 Bio-Rad .PIC Image File
  441. >0 leshort >0 %hd x
  442. >2 leshort >0 %hd,
  443. >4 leshort =1 1 image in file
  444. >4 leshort >1 %hd images in file
  445. # From Jan "Yenya" Kasprzak <kas@fi.muni.cz>
  446. # The description of *.mrw format can be found at
  447. # http://www.dalibor.cz/minolta/raw_file_format.htm
  448. 0 string \000MRM Minolta Dimage camera raw image data
  449. # From: stephane.loeuillet@tiscali.f
  450. # http://www.djvuzone.org/
  451. 0 string AT&TFORM DjVu Image file
  452. # From: Jason Bacon <bacon@smithers.neuro.mcw.edu>
  453. 0 beshort 0x3020 character Computer Graphics Metafile
  454. # From Marc Espie
  455. 0 lelong 20000630 OpenEXR image data
  456. # From: Tom Hilinski <tom.hilinski@comcast.net>
  457. # http://www.unidata.ucar.edu/packages/netcdf/
  458. 0 string CDF\001 NetCDF Data Format data
  459. #-----------------------------------------------------------------------
  460. # Hierarchical Data Format, used to facilitate scientific data exchange
  461. # specifications at http://hdf.ncsa.uiuc.edu/
  462. 0 belong 0x0e031301 Hierarchical Data Format (version 4) data
  463. 0 string \211HDF\r\n\032 Hierarchical Data Format (version 5) data
  464. # From: Tobias Burnus <burnus@net-b.de>
  465. # Xara (for a while: Corel Xara) is a graphic package, see
  466. # http://www.xara.com/ for Windows and as GPL application for
  467. 0 string XARA\243\243 Xara graphics file