1 #------------------------------------------------------------------------------
2 # images: file(1) magic for image formats (see also "iff", and "c-lang" for
5 # originally from jef@helios.ee.lbl.gov (Jef Poskanzer),
6 # additions by janl@ifi.uio.no as well as others. Jan also suggested
7 # merging several one- and two-line files into here.
9 # little magic: PCX (first byte is 0x0a)
11 # Targa - matches `povray', `ppmtotga' and `xv' outputs
12 # by Philippe De Muyter <phdm@macqel.be>
13 # at 2, byte ImgType must be 1, 2, 3, 9, 10 or 11
14 # at 1, byte CoMapType must be 1 if ImgType is 1 or 9, 0 otherwise
15 # at 3, leshort Index is 0 for povray, ppmtotga and xv outputs
16 # `xv' recognizes only a subset of the following (RGB with pixelsize = 24)
17 # `tgatoppm' recognizes a superset (Index may be anything)
18 1 belong&0xfff7ffff 0x01010000 Targa image data - Map
22 1 belong&0xfff7ffff 0x00020000 Targa image data - RGB
26 1 belong&0xfff7ffff 0x00030000 Targa image data - Mono
32 # The next byte following the magic is always whitespace.
33 0 search/1 P1 Netpbm PBM image text
34 !:mime image/x-portable-bitmap
35 0 search/1 P2 Netpbm PGM image text
36 !:mime image/x-portable-greymap
37 0 search/1 P3 Netpbm PPM image text
38 !:mime image/x-portable-pixmap
39 0 string P4 Netpbm PBM "rawbits" image data
40 !:mime image/x-portable-bitmap
41 0 string P5 Netpbm PGM "rawbits" image data
42 !:mime image/x-portable-greymap
43 0 string P6 Netpbm PPM "rawbits" image data
44 !:mime image/x-portable-pixmap
45 0 string P7 Netpbm PAM image file
46 !:mime image/x-portable-pixmap
48 # From: bryanh@giraffe-data.com (Bryan Henderson)
49 0 string \117\072 Solitaire Image Recorder format
50 >4 string \013 MGI Type 11
51 >4 string \021 MGI Type 17
52 0 string .MDA MicroDesign data
55 0 string .MDP MicroDesign page data
59 # NIFF (Navy Interchange File Format, a modification of TIFF) images
60 # [GRR: this *must* go before TIFF]
61 0 string IIN1 NIFF image data
64 # Tag Image File Format, from Daniel Quinlan (quinlan@yggdrasil.com)
65 # The second word of TIFF files is the TIFF version number, 42, which has
66 # never changed. The TIFF specification recommends testing for it.
67 0 string MM\x00\x2a TIFF image data, big-endian
69 0 string II\x2a\x00 TIFF image data, little-endian
72 # PNG [Portable Network Graphics, or "PNG's Not GIF"] images
73 # (Greg Roelofs, newt@uchicago.edu)
74 # (Albert Cahalan, acahalan@cs.uml.edu)
76 # 137 P N G \r \n ^Z \n [4-byte length] H E A D [HEAD data] [HEAD crc] ...
78 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image
80 >16 belong x \b, %ld x
84 >25 byte 2 \b/color RGB,
86 >25 byte 4 gray+alpha,
87 >25 byte 6 \b/color RGBA,
88 #>26 byte 0 deflate/32K,
89 >28 byte 0 non-interlaced
92 # possible GIF replacements; none yet released!
93 # (Greg Roelofs, newt@uchicago.edu)
95 # GRR 950115: this was mine ("Zip GIF"):
96 0 string GIF94z ZIF image (GIF+deflate alpha)
97 !:mime image/x-unknown
99 # GRR 950115: this is Jeremy Wohl's Free Graphics Format (better):
101 0 string FGF95a FGF image (GIF+deflate beta)
102 !:mime image/x-unknown
104 # GRR 950115: this is Thomas Boutell's Portable Bitmap Format proposal
105 # (best; not yet implemented):
107 0 string PBF PBF image (deflate compression)
108 !:mime image/x-unknown
111 0 string GIF8 GIF image data
113 >4 string 7a \b, version 8%s,
114 >4 string 9a \b, version 8%s,
117 #>10 byte &0x80 color mapped,
118 #>10 byte&0x07 =0x00 2 colors
119 #>10 byte&0x07 =0x01 4 colors
120 #>10 byte&0x07 =0x02 8 colors
121 #>10 byte&0x07 =0x03 16 colors
122 #>10 byte&0x07 =0x04 32 colors
123 #>10 byte&0x07 =0x05 64 colors
124 #>10 byte&0x07 =0x06 128 colors
125 #>10 byte&0x07 =0x07 256 colors
127 # ITC (CMU WM) raster files. It is essentially a byte-reversed Sun raster,
128 # 1 plane, no encoding.
129 0 string \361\0\100\273 CMU window manager raster image data
134 # Magick Image File Format
135 0 string id=ImageMagick MIFF image data
138 0 long 1123028772 Artisan image data
139 >4 long 1 \b, rectangular 24-bit
140 >4 long 2 \b, rectangular 8-bit with colormap
141 >4 long 3 \b, rectangular 32-bit (24-bit with matte)
143 # FIG (Facility for Interactive Generation of figures), an object-based format
144 0 search/1 #FIG FIG image text
145 >5 string x \b, version %.3s
148 0 string ARF_BEGARF PHIGS clear text archive
149 0 string @(#)SunPHIGS SunPHIGS
150 # version number follows, in the form m.n
151 >40 string SunBin binary
152 >32 string archive archive
154 # GKS (Graphics Kernel System)
155 0 string GKSM GKS Metafile
156 >24 string SunGKS \b, SunGKS
159 0 string BEGMF clear text Computer Graphics Metafile
161 # MGR bitmaps (Michael Haardt, u31b3hs@pool.informatik.rwth-aachen.de)
162 0 string yz MGR bitmap, modern format, 8-bit aligned
163 0 string zz MGR bitmap, old format, 1-bit deep, 16-bit aligned
164 0 string xz MGR bitmap, old format, 1-bit deep, 32-bit aligned
165 0 string yx MGR bitmap, modern format, squeezed
167 # Fuzzy Bitmap (FBM) images
168 0 string %bitmap\0 FBM image data
169 >30 long 0x31 \b, mono
170 >30 long 0x33 \b, color
173 1 string PC\ Research,\ Inc group 3 fax data
174 >29 byte 0 \b, normal resolution (204x98 DPI)
175 >29 byte 1 \b, fine resolution (204x196 DPI)
176 # From: Herbert Rosmanith <herp@wildsau.idv.uni.linz.at>
177 0 string Sfff structured fax file
180 # PC bitmaps (OS/2, Windows BMP files) (Greg Roelofs, newt@uchicago.edu)
182 >14 leshort 12 PC bitmap, OS/2 1.x format
183 !:mime image/x-ms-bmp
184 >>18 leshort x \b, %d x
186 >14 leshort 64 PC bitmap, OS/2 2.x format
187 !:mime image/x-ms-bmp
188 >>18 leshort x \b, %d x
190 >14 leshort 40 PC bitmap, Windows 3.x format
191 !:mime image/x-ms-bmp
192 >>18 lelong x \b, %d x
195 >14 leshort 128 PC bitmap, Windows NT/2000 format
196 !:mime image/x-ms-bmp
197 >>18 lelong x \b, %d x
201 #0 string IC PC icon data
202 #0 string PI PC pointer image data
203 #0 string CI PC color icon data
204 #0 string CP PC color pointer image data
205 # Conflicts with other entries [BABYL]
206 #0 string BA PC bitmap array data
208 # XPM icons (Greg Roelofs, newt@uchicago.edu)
209 # note possible collision with C/REXX entry in c-lang; currently commented out
210 0 search/1 /*\ XPM\ */ X pixmap image text
212 # Utah Raster Toolkit RLE images (janl@ifi.uio.no)
213 0 leshort 0xcc52 RLE image data,
216 >2 leshort >0 \b, lower left corner: %d
217 >4 leshort >0 \b, lower right corner: %d
218 >10 byte&0x1 =0x1 \b, clear first
219 >10 byte&0x2 =0x2 \b, no background
220 >10 byte&0x4 =0x4 \b, alpha channel
221 >10 byte&0x8 =0x8 \b, comment
222 >11 byte >0 \b, %d color channels
223 >12 byte >0 \b, %d bits per pixel
224 >13 byte >0 \b, %d color map channels
226 # image file format (Robert Potter, potter@cs.rochester.edu)
227 0 string Imagefile\ version- iff image data
228 # this adds the whole header (inc. version number), informative but longish
231 # Sun raster images, from Daniel Quinlan (quinlan@yggdrasil.com)
232 0 belong 0x59a66a95 Sun raster image data
233 >4 belong >0 \b, %d x
235 >12 belong >0 %d-bit,
236 #>16 belong >0 %d bytes long,
237 >20 belong 0 old format,
238 #>20 belong 1 standard,
239 >20 belong 2 compressed,
243 >20 belong 0xffff reserved for testing,
244 >24 belong 0 no colormap
245 >24 belong 1 RGB colormap
246 >24 belong 2 raw colormap
247 #>28 belong >0 colormap is %d bytes long
249 # SGI image file format, from Daniel Quinlan (quinlan@yggdrasil.com)
252 # http://reality.sgi.com/grafica/sgiimage.html
254 0 beshort 474 SGI image data
255 #>2 byte 0 \b, verbatim
257 #>3 byte 1 \b, normal precision
258 >3 byte 2 \b, high precision
259 >4 beshort x \b, %d-D
260 >6 beshort x \b, %d x
262 >10 beshort x \b, %d channel
264 >80 string >0 \b, "%s"
266 0 string IT01 FIT image data
271 0 string IT02 FIT image data
276 2048 string PCD_IPI Kodak Photo CD image pack file
277 >0xe02 byte&0x03 0x00 , landscape mode
278 >0xe02 byte&0x03 0x01 , portrait mode
279 >0xe02 byte&0x03 0x02 , landscape mode
280 >0xe02 byte&0x03 0x03 , portrait mode
281 0 string PCD_OPA Kodak Photo CD overview pack file
283 # FITS format. Jeff Uphoff <juphoff@tarsier.cv.nrao.edu>
284 # FITS is the Flexible Image Transport System, the de facto standard for
285 # data and image transfer, storage, etc., for the astronomical community.
286 # (FITS floating point formats are big-endian.)
287 0 string SIMPLE\ \ = FITS image data
288 >109 string 8 \b, 8-bit, character or unsigned binary integer
289 >108 string 16 \b, 16-bit, two's complement binary integer
290 >107 string \ 32 \b, 32-bit, two's complement binary integer
291 >107 string -32 \b, 32-bit, floating point, single precision
292 >107 string -64 \b, 64-bit, floating point, double precision
295 0 string This\ is\ a\ BitMap\ file Lisp Machine bit-array-file
297 # From SunOS 5.5.1 "/etc/magic" - appeared right before Sun raster image
300 0 beshort 0x1010 PEX Binary Archive
302 # DICOM medical imaging data
303 128 string DICM DICOM medical imaging data
304 !:mime application/dicom
306 # XWD - X Window Dump file.
307 # As described in /usr/X11R6/include/X11/XWDFile.h
308 # used by the xwd program.
309 # Bradford Castalia, idaeim, 1/01
310 4 belong 7 XWD X Window Dump image data
311 >100 string >\0 \b, "%s"
316 # PDS - Planetary Data System
317 # These files use Parameter Value Language in the header section.
318 # Unfortunately, there is no certain magic, but the following
319 # strings have been found to be most likely.
320 0 string NJPL1I00 PDS (JPL) image data
321 2 string NJPL1I PDS (JPL) image data
322 0 string CCSD3ZF PDS (CCSD) image data
323 2 string CCSD3Z PDS (CCSD) image data
324 0 string PDS_ PDS image data
325 0 string LBLSIZE= PDS (VICAR) image data
327 # pM8x: ATARI STAD compressed bitmap format
329 # from Oskar Schirmer <schirmer@scara.com> Feb 2, 2001
330 # p M 8 5/6 xx yy zz data...
331 # Atari ST STAD bitmap is always 640x400, bytewise runlength compressed.
332 # bytes either run horizontally (pM85) or vertically (pM86). yy is the
333 # most frequent byte, xx and zz are runlength escape codes, where xx is
334 # used for runs of yy.
336 0 string pM85 Atari ST STAD bitmap image data (hor)
337 >5 byte 0x00 (white background)
338 >5 byte 0xFF (black background)
339 0 string pM86 Atari ST STAD bitmap image data (vert)
340 >5 byte 0x00 (white background)
341 >5 byte 0xFF (black background)
343 # Gürkan Sengün <gurkan@linuks.mine.nu>, www.linuks.mine.nu
344 # http://www.atarimax.com/jindroush.atari.org/afmtatr.html
345 0 leshort 0x0296 Atari ATR image
348 # This is bad magic 0x5249 == 'RI' conflicts with RIFF and other
350 # SGI RICE image file <mpruett@sgi.com>
351 #0 beshort 0x5249 RICE image
360 #>10 beshort 1 4:2:2:4
362 #>10 beshort 3 4:4:4:4
364 #>12 beshort 2 CCIR601
368 #------------------------------------------------------------------------------
370 # Marco Schmidt (marcoschmidt@users.sourceforge.net) -- an image file format
371 # for the EPOC operating system, which is used with PDAs like those from Psion
373 # see http://huizen.dds.nl/~frodol/psiconv/html/Index.html for a description
374 # of various EPOC file formats
376 0 string \x37\x00\x00\x10\x42\x00\x00\x10\x00\x00\x00\x00\x39\x64\x39\x47 EPOC MBM image file
379 # From: Dan Fandrich <dan@coneharvesters.com>
380 0 beshort 0x0a00 PCX ver. 2.5 image data
381 0 beshort 0x0a02 PCX ver. 2.8 image data, with palette
382 0 beshort 0x0a03 PCX ver. 2.8 image data, without palette
383 0 beshort 0x0a04 PCX for Windows image data
384 0 beshort 0x0a05 PCX ver. 3.0 image data
385 >4 leshort x bounding box [%hd,
389 >65 byte >1 %d planes each of
393 >68 byte 2 grayscale,
397 >>14 leshort x %hd dpi,
398 >2 byte 0 uncompressed
399 >2 byte 1 RLE compressed
402 0 string 8BPS Adobe Photoshop Image
403 !:mime image/vnd.adobe.photoshop
405 # XV thumbnail indicator (ThMO)
406 0 string P7\ 332 XV thumbnail image data
408 # NITF is defined by United States MIL-STD-2500A
409 0 string NITF National Imagery Transmission Format
410 >25 string >\0 dated %.14s
412 # GEM Image: Version 1, Headerlen 8 (Wolfram Kleff)
413 0 belong 0x00010008 GEM Image data
416 >4 beshort x %d planes,
418 >10 beshort x %d pixelsize
420 # GEM Metafile (Wolfram Kleff)
421 0 lelong 0x0018FFFF GEM Metafile data
422 >4 leshort x version %d
425 # SMJPEG. A custom Motion JPEG format used by Loki Entertainment
426 # Software Torbjorn Andersson <d91tan@Update.UU.SE>.
428 0 string \0\nSMJPEG SMJPEG
429 >8 belong x %d.x data
430 # According to the specification you could find any number of _TXT
431 # headers here, but I can't think of any way of handling that. None of
432 # the SMJPEG files I tried it on used this feature. Even if such a
433 # file is encountered the output should still be reasonable.
435 >>24 beshort >0 %d Hz
438 >>28 string NONE uncompressed
439 # >>28 string APCM ADPCM compressed
442 # Help! Isn't there any way to avoid writing this part twice?
444 # >>>48 string JFIF JPEG
445 >>>40 belong >0 %d frames
446 >>>44 beshort >0 (%d x
449 # >>32 string JFIF JPEG
450 >>24 belong >0 %d frames
451 >>28 beshort >0 (%d x
454 0 string Paint\ Shop\ Pro\ Image\ File Paint Shop Pro Image File
456 # "thumbnail file" (icon)
457 # descended from "xv", but in use by other applications as well (Wolfram Kleff)
458 0 string P7\ 332 XV "thumbnail file" (icon) data
460 # taken from fkiss: (<yav@mte.biglobe.ne.jp> ?)
461 0 string KiSS KISS/GS
464 >>8 leshort x %d colors
465 >>10 leshort x %d groups
473 # Webshots (www.webshots.com), by John Harrison
474 0 string C\253\221g\230\0\0\0 Webshots Desktop .wbz file
476 # Hercules DASD image files
477 # From Jan Jaeger <jj@septa.nl>
478 0 string CKD_P370 Hercules CKD DASD image file
479 >8 long x \b, %d heads per cylinder
480 >12 long x \b, track size %d bytes
481 >16 byte x \b, device type 33%2.2X
483 0 string CKD_C370 Hercules compressed CKD DASD image file
484 >8 long x \b, %d heads per cylinder
485 >12 long x \b, track size %d bytes
486 >16 byte x \b, device type 33%2.2X
488 0 string CKD_S370 Hercules CKD DASD shadow file
489 >8 long x \b, %d heads per cylinder
490 >12 long x \b, track size %d bytes
491 >16 byte x \b, device type 33%2.2X
493 # Squeak images and programs - etoffi@softhome.net
494 0 string \146\031\0\0 Squeak image data
495 0 search/1 'From\040Squeak Squeak program text
497 # partimage: file(1) magic for PartImage files (experimental, incomplete)
498 # Author: Hans-Joachim Baader <hjb@pro-linux.de>
499 0 string PaRtImAgE-VoLuMe PartImage
500 >0x0020 string 0.6.1 file version %s
501 >>0x0060 lelong >-1 volume %ld
502 #>>0x0064 8 byte identifier
504 >>0x0200 string >\0 type %s
505 >>0x1400 string >\0 device %s,
506 >>0x1600 string >\0 original filename %s,
507 # Some fields omitted
508 >>0x2744 lelong 0 not compressed
509 >>0x2744 lelong 1 gzip compressed
510 >>0x2744 lelong 2 bzip2 compressed
511 >>0x2744 lelong >2 compressed with unknown algorithm
512 >0x0020 string >0.6.1 file version %s
513 >0x0020 string <0.6.1 file version %s
515 # DCX is multi-page PCX, using a simple header of up to 1024
516 # offsets for the respective PCX components.
517 # From: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
518 0 lelong 987654321 DCX multi-page PCX image data
520 # Simon Walton <simonw@matteworld.com>
521 # Kodak Cineon format for scanned negatives
522 # http://www.kodak.com/US/en/motion/support/dlad/
523 0 lelong 0xd75f2a80 Cineon image data
524 >200 belong >0 \b, %ld x
528 # Bio-Rad .PIC is an image format used by microscope control systems
529 # and related image processing software used by biologists.
530 # From: Vebjorn Ljosa <vebjorn@ljosa.com>
531 54 leshort 12345 Bio-Rad .PIC Image File
534 >4 leshort =1 1 image in file
535 >4 leshort >1 %hd images in file
537 # From Jan "Yenya" Kasprzak <kas@fi.muni.cz>
538 # The description of *.mrw format can be found at
539 # http://www.dalibor.cz/minolta/raw_file_format.htm
540 0 string \000MRM Minolta Dimage camera raw image data
542 # Summary: DjVu image / document
544 # Reference: http://djvu.org/docs/DjVu3Spec.djvu
545 # Submitted by: Stephane Loeuillet <stephane.loeuillet@tiscali.fr>
546 # Modified by (1): Abel Cheung <abelcheung@gmail.com>
548 !:mime image/vnd.djvu
549 >12 string DJVM DjVu multiple page document
550 >12 string DJVU DjVu image or single page document
551 >12 string DJVI DjVu shared document
552 >12 string THUM DjVu page thumbnails
556 0 lelong 20000630 OpenEXR image data
558 # From: Tom Hilinski <tom.hilinski@comcast.net>
559 # http://www.unidata.ucar.edu/packages/netcdf/
560 0 string CDF\001 NetCDF Data Format data
562 #-----------------------------------------------------------------------
563 # Hierarchical Data Format, used to facilitate scientific data exchange
564 # specifications at http://hdf.ncsa.uiuc.edu/
565 0 belong 0x0e031301 Hierarchical Data Format (version 4) data
566 !:mime application/x-hdf
567 0 string \211HDF\r\n\032 Hierarchical Data Format (version 5) data
568 !:mime application/x-hdf
570 # From: Tobias Burnus <burnus@net-b.de>
571 # Xara (for a while: Corel Xara) is a graphic package, see
572 # http://www.xara.com/ for Windows and as GPL application for Linux
573 0 string XARA\243\243 Xara graphics file
575 # http://www.cartesianinc.com/Tech/
576 0 string CPC\262 Cartesian Perceptual Compression image
579 # From Albert Cahalan <acahalan@gmail.com>
580 # puredigital used it for the CVS disposable camcorder
581 #8 lelong 4 ZBM bitmap image data
585 # From Albert Cahalan <acahalan@gmail.com>
586 # uncompressed 5:6:5 HighColor image for OLPC XO firmware icons
587 0 string C565 OLPC firmware icon image data
591 # Applied Images - Image files from Cytovision
592 # Gustavo Junior Alves <gjalves@gjalves.com.br>
593 0 string \xce\xda\xde\xfa Cytovision Metaphases file
594 0 string \xed\xad\xef\xac Cytovision Karyotype file
595 0 string \x0b\x00\x03\x00 Cytovision FISH Probe file
596 0 string \xed\xfe\xda\xbe Cytovision FLEX file
597 0 string \xed\xab\xed\xfe Cytovision FLEX file
598 0 string \xad\xfd\xea\xad Cytovision RATS file
600 # Wavelet Scalar Quantization format used in gray-scale fingerprint images
601 # From Tano M Fotang <mfotang@quanteq.com>
602 0 string \xff\xa0\xff\xa8\x00 Wavelet Scalar Quantization image data