2 #------------------------------------------------------------------------------
3 # images: file(1) magic for image formats (see also "iff")
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 string P1 Netpbm PBM image text
34 0 string P2 Netpbm PGM image text
35 0 string P3 Netpbm PPM image text
36 0 string P4 Netpbm PBM "rawbits" image data
37 0 string P5 Netpbm PGM "rawbits" image data
38 0 string P6 Netpbm PPM "rawbits" image data
39 0 string P7 Netpbm PAM image file
41 # From: bryanh@giraffe-data.com (Bryan Henderson)
42 0 string \117\072 Solitaire Image Recorder format
43 >4 string \013 MGI Type 11
44 >4 string \021 MGI Type 17
45 0 string .MDA MicroDesign data
48 0 string .MDP MicroDesign page data
52 # NIFF (Navy Interchange File Format, a modification of TIFF) images
53 0 string IIN1 NIFF image data
55 # Tag Image File Format, from Daniel Quinlan (quinlan@yggdrasil.com)
56 # The second word of TIFF files is the TIFF version number, 42, which has
57 # never changed. The TIFF specification recommends testing for it.
58 0 string MM\x00\x2a TIFF image data, big-endian
59 0 string II\x2a\x00 TIFF image data, little-endian
61 # PNG [Portable Network Graphics, or "PNG's Not GIF"] images
62 # (Greg Roelofs, newt@uchicago.edu)
63 # (Albert Cahalan, acahalan@cs.uml.edu)
65 # 137 P N G \r \n ^Z \n [4-byte length] H E A D [HEAD data] [HEAD crc] ...
67 0 string \x89PNG PNG image data,
68 >4 belong !0x0d0a1a0a CORRUPTED,
73 >>25 byte 0 grayscale,
74 >>25 byte 2 \b/color RGB,
76 >>25 byte 4 gray+alpha,
77 >>25 byte 6 \b/color RGBA,
78 #>>26 byte 0 deflate/32K,
79 >>28 byte 0 non-interlaced
80 >>28 byte 1 interlaced
81 1 string PNG PNG image data, CORRUPTED
84 0 string GIF8 GIF image data
85 >4 string 7a \b, version 8%s,
86 >4 string 9a \b, version 8%s,
89 #>10 byte &0x80 color mapped,
90 #>10 byte&0x07 =0x00 2 colors
91 #>10 byte&0x07 =0x01 4 colors
92 #>10 byte&0x07 =0x02 8 colors
93 #>10 byte&0x07 =0x03 16 colors
94 #>10 byte&0x07 =0x04 32 colors
95 #>10 byte&0x07 =0x05 64 colors
96 #>10 byte&0x07 =0x06 128 colors
97 #>10 byte&0x07 =0x07 256 colors
99 # ITC (CMU WM) raster files. It is essentially a byte-reversed Sun raster,
100 # 1 plane, no encoding.
101 0 string \361\0\100\273 CMU window manager raster image data
106 # Magick Image File Format
107 0 string id=ImageMagick MIFF image data
110 0 long 1123028772 Artisan image data
111 >4 long 1 \b, rectangular 24-bit
112 >4 long 2 \b, rectangular 8-bit with colormap
113 >4 long 3 \b, rectangular 32-bit (24-bit with matte)
115 # FIG (Facility for Interactive Generation of figures), an object-based format
116 0 string #FIG FIG image text
117 >5 string x \b, version %.3s
120 0 string ARF_BEGARF PHIGS clear text archive
121 0 string @(#)SunPHIGS SunPHIGS
122 # version number follows, in the form m.n
123 >40 string SunBin binary
124 >32 string archive archive
126 # GKS (Graphics Kernel System)
127 0 string GKSM GKS Metafile
128 >24 string SunGKS \b, SunGKS
131 0 string BEGMF clear text Computer Graphics Metafile
132 # XXX - questionable magic
133 0 beshort&0xffe0 0x0020 binary Computer Graphics Metafile
134 0 beshort 0x3020 character Computer Graphics Metafile
136 # MGR bitmaps (Michael Haardt, u31b3hs@pool.informatik.rwth-aachen.de)
137 0 string yz MGR bitmap, modern format, 8-bit aligned
138 0 string zz MGR bitmap, old format, 1-bit deep, 16-bit aligned
139 0 string xz MGR bitmap, old format, 1-bit deep, 32-bit aligned
140 0 string yx MGR bitmap, modern format, squeezed
142 # Fuzzy Bitmap (FBM) images
143 0 string %bitmap\0 FBM image data
144 >30 long 0x31 \b, mono
145 >30 long 0x33 \b, color
148 1 string PC\ Research,\ Inc group 3 fax data
149 >29 byte 0 \b, normal resolution (204x98 DPI)
150 >29 byte 1 \b, fine resolution (204x196 DPI)
151 # From: Herbert Rosmanith <herp@wildsau.idv.uni.linz.at>
152 0 string Sfff structured fax file
155 # PC bitmaps (OS/2, Windoze BMP files) (Greg Roelofs, newt@uchicago.edu)
156 0 string BM PC bitmap data
157 >14 leshort 12 \b, OS/2 1.x format
158 >>18 leshort x \b, %d x
160 >14 leshort 64 \b, OS/2 2.x format
161 >>18 leshort x \b, %d x
163 >14 leshort 40 \b, Windows 3.x format
164 >>18 lelong x \b, %d x
168 #0 string IC PC icon data
169 #0 string PI PC pointer image data
170 #0 string CI PC color icon data
171 #0 string CP PC color pointer image data
172 # Conflicts with other entries [BABYL]
173 #0 string BA PC bitmap array data
175 # XPM icons (Greg Roelofs, newt@uchicago.edu)
176 # note possible collision with C/REXX entry in c-lang; currently commented out
177 0 string /*\ XPM\ */ X pixmap image text
179 # Utah Raster Toolkit RLE images (janl@ifi.uio.no)
180 0 leshort 0xcc52 RLE image data,
183 >2 leshort >0 \b, lower left corner: %d
184 >4 leshort >0 \b, lower right corner: %d
185 >10 byte&0x1 =0x1 \b, clear first
186 >10 byte&0x2 =0x2 \b, no background
187 >10 byte&0x4 =0x4 \b, alpha channel
188 >10 byte&0x8 =0x8 \b, comment
189 >11 byte >0 \b, %d color channels
190 >12 byte >0 \b, %d bits per pixel
191 >13 byte >0 \b, %d color map channels
193 # image file format (Robert Potter, potter@cs.rochester.edu)
194 0 string Imagefile\ version- iff image data
195 # this adds the whole header (inc. version number), informative but longish
198 # Sun raster images, from Daniel Quinlan (quinlan@yggdrasil.com)
199 0 belong 0x59a66a95 Sun raster image data
200 >4 belong >0 \b, %d x
202 >12 belong >0 %d-bit,
203 #>16 belong >0 %d bytes long,
204 >20 belong 0 old format,
205 #>20 belong 1 standard,
206 >20 belong 2 compressed,
210 >20 belong 0xffff reserved for testing,
211 >24 belong 0 no colormap
212 >24 belong 1 RGB colormap
213 >24 belong 2 raw colormap
214 #>28 belong >0 colormap is %d bytes long
216 # SGI image file format, from Daniel Quinlan (quinlan@yggdrasil.com)
219 # http://reality.sgi.com/grafica/sgiimage.html
221 0 beshort 474 SGI image data
222 #>2 byte 0 \b, verbatim
224 #>3 byte 1 \b, normal precision
225 >3 byte 2 \b, high precision
226 >4 beshort x \b, %d-D
227 >6 beshort x \b, %d x
229 >10 beshort x \b, %d channel
231 >80 string >0 \b, "%s"
233 0 string IT01 FIT image data
238 0 string IT02 FIT image data
243 2048 string PCD_IPI Kodak Photo CD image pack file
244 >0xe02 byte&0x03 0x00 , landscape mode
245 >0xe02 byte&0x03 0x01 , portrait mode
246 >0xe02 byte&0x03 0x02 , landscape mode
247 >0xe02 byte&0x03 0x03 , portrait mode
248 0 string PCD_OPA Kodak Photo CD overview pack file
250 # FITS format. Jeff Uphoff <juphoff@tarsier.cv.nrao.edu>
251 # FITS is the Flexible Image Transport System, the de facto standard for
252 # data and image transfer, storage, etc., for the astronomical community.
253 # (FITS floating point formats are big-endian.)
254 0 string SIMPLE\ \ = FITS image data
255 >109 string 8 \b, 8-bit, character or unsigned binary integer
256 >108 string 16 \b, 16-bit, two's complement binary integer
257 >107 string \ 32 \b, 32-bit, two's complement binary integer
258 >107 string -32 \b, 32-bit, floating point, single precision
259 >107 string -64 \b, 64-bit, floating point, double precision
262 0 string This\ is\ a\ BitMap\ file Lisp Machine bit-array-file
263 0 string !! Bennet Yee's "face" format
265 # From SunOS 5.5.1 "/etc/magic" - appeared right before Sun raster image
268 0 beshort 0x1010 PEX Binary Archive
271 03000 string Visio\ (TM)\ Drawing %s
274 0 string \%TGIF\ x Tgif file version %s
276 # DICOM medical imaging data
277 128 string DICM DICOM medical imaging data
279 # XWD - X Window Dump file.
280 # As described in /usr/X11R6/include/X11/XWDFile.h
281 # used by the xwd program.
282 # Bradford Castalia, idaeim, 1/01
283 4 belong 7 XWD X Window Dump image data
284 >100 string >\0 \b, "%s"
289 # PDS - Planetary Data System
290 # These files use Parameter Value Language in the header section.
291 # Unfortunately, there is no certain magic, but the following
292 # strings have been found to be most likely.
293 0 string NJPL1I00 PDS (JPL) image data
294 2 string NJPL1I PDS (JPL) image data
295 0 string CCSD3ZF PDS (CCSD) image data
296 2 string CCSD3Z PDS (CCSD) image data
297 0 string PDS_ PDS image data
298 0 string LBLSIZE= PDS (VICAR) image data
300 # pM8x: ATARI STAD compressed bitmap format
302 # from Oskar Schirmer <schirmer@scara.com> Feb 2, 2001
303 # p M 8 5/6 xx yy zz data...
304 # Atari ST STAD bitmap is always 640x400, bytewise runlength compressed.
305 # bytes either run horizontally (pM85) or vertically (pM86). yy is the
306 # most frequent byte, xx and zz are runlength escape codes, where xx is
307 # used for runs of yy.
309 0 string pM85 Atari ST STAD bitmap image data (hor)
310 >5 byte 0x00 (white background)
311 >5 byte 0xFF (black background)
312 0 string pM86 Atari ST STAD bitmap image data (vert)
313 >5 byte 0x00 (white background)
314 >5 byte 0xFF (black background)
317 # This is bad magic 0x5249 == 'RI' conflicts with RIFF and other
319 # SGI RICE image file <mpruett@sgi.com>
320 #0 beshort 0x5249 RICE image
329 #>10 beshort 1 4:2:2:4
331 #>10 beshort 3 4:4:4:4
333 #>12 beshort 2 CCIR601
337 #------------------------------------------------------------------------------
339 # Marco Schmidt (marcoschmidt@users.sourceforge.net) -- an image file format
340 # for the EPOC operating system, which is used with PDAs like those from Psion
342 # see http://huizen.dds.nl/~frodol/psiconv/html/Index.html for a description
343 # of various EPOC file formats
345 0 string \x37\x00\x00\x10\x42\x00\x00\x10\x00\x00\x00\x00\x39\x64\x39\x47 EPOC MBM image file
348 # From: Dan Fandrich <dan@coneharvesters.com>
349 0 beshort 0x0a00 PCX ver. 2.5 image data
350 0 beshort 0x0a02 PCX ver. 2.8 image data, with palette
351 0 beshort 0x0a03 PCX ver. 2.8 image data, without palette
352 0 beshort 0x0a04 PCX for Windows image data
353 0 beshort 0x0a05 PCX ver. 3.0 image data
354 >4 leshort x bounding box [%hd,
358 >65 byte >1 %d planes each of
362 >68 byte 2 grayscale,
366 >>14 leshort x %hd dpi,
367 >2 byte 0 uncompressed
368 >2 byte 1 RLE compressed
371 0 string 8BPS Adobe Photoshop Image
373 # XV thumbnail indicator (ThMO)
374 0 string P7\ 332 XV thumbnail image data
376 # NITF is defined by United States MIL-STD-2500A
377 0 string NITF National Imagery Transmission Format
378 >25 string >\0 dated %.14s
380 # GEM Image: Version 1, Headerlen 8 (Wolfram Kleff)
381 0 belong 0x00010008 GEM Image data
384 >4 beshort x %d planes,
386 >10 beshort x %d pixelsize
388 # GEM Metafile (Wolfram Kleff)
389 0 lelong 0x0018FFFF GEM Metafile data
390 >4 leshort x version %d
393 # SMJPEG. A custom Motion JPEG format used by Loki Entertainment
394 # Software Torbjorn Andersson <d91tan@Update.UU.SE>.
396 0 string \0\nSMJPEG SMJPEG
397 >8 belong x %d.x data
398 # According to the specification you could find any number of _TXT
399 # headers here, but I can't think of any way of handling that. None of
400 # the SMJPEG files I tried it on used this feature. Even if such a
401 # file is encountered the output should still be reasonable.
403 >>24 beshort >0 %d Hz
406 >>28 string NONE uncompressed
407 # >>28 string APCM ADPCM compressed
410 # Help! Isn't there any way to avoid writing this part twice?
412 # >>>48 string JFIF JPEG
413 >>>40 belong >0 %d frames
414 >>>44 beshort >0 (%d x
417 # >>32 string JFIF JPEG
418 >>24 belong >0 %d frames
419 >>28 beshort >0 (%d x
422 0 string Paint\ Shop\ Pro\ Image\ File Paint Shop Pro Image File
424 # "thumbnail file" (icon)
425 # descended from "xv", but in use by other applications as well (Wolfram Kleff)
426 0 string P7\ 332 XV "thumbnail file" (icon) data
428 # taken from fkiss: (<yav@mte.biglobe.ne.jp> ?)
429 0 string KiSS KISS/GS
432 >>8 leshort x %d colors
433 >>10 leshort x %d groups
441 # Webshots (www.webshots.com), by John Harrison
442 0 string C\253\221g\230\0\0\0 Webshots Desktop .wbz file
444 # Hercules DASD image files
445 # From Jan Jaeger <jj@septa.nl>
446 0 string CKD_P370 Hercules CKD DASD image file
447 >8 long x \b, %d heads per cylinder
448 >12 long x \b, track size %d bytes
449 >16 byte x \b, device type 33%2.2X
451 0 string CKD_C370 Hercules compressed CKD DASD image file
452 >8 long x \b, %d heads per cylinder
453 >12 long x \b, track size %d bytes
454 >16 byte x \b, device type 33%2.2X
456 0 string CKD_S370 Hercules CKD DASD shadow file
457 >8 long x \b, %d heads per cylinder
458 >12 long x \b, track size %d bytes
459 >16 byte x \b, device type 33%2.2X
461 # Squeak images and - etoffi@softhome.net
462 0 string \146\031\0\0 Squeak image data
463 0 string 'From\040Squeak Squeak program text
465 # partimage: file(1) magic for PartImage files (experimental, incomplete)
466 # Author: Hans-Joachim Baader <hjb@pro-linux.de>
467 0 string PaRtImAgE-VoLuMe PartImage
468 >0x0020 string 0.6.1 file version %s
469 >>0x0060 lelong >-1 volume %ld
470 #>>0x0064 8 byte identifier
472 >>0x0200 string >\0 type %s
473 >>0x1400 string >\0 device %s,
474 >>0x1600 string >\0 original filename %s,
475 # Some fields omitted
476 >>0x2744 lelong 0 not compressed
477 >>0x2744 lelong 1 gzip compressed
478 >>0x2744 lelong 2 bzip2 compressed
479 >>0x2744 lelong >2 compressed with unknown algorithm
480 >0x0020 string >0.6.1 file version %s
481 >0x0020 string <0.6.1 file version %s
483 # DCX is multi-page PCX, using a simple header of up to 1024
484 # offsets for the respective PCX components.
485 # From: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
486 0 lelong 987654321 DCX multi-page PCX image data
488 # Simon Walton <simonw@matteworld.com>
489 # Kodak Cineon format for scanned negatives
490 # http://www.kodak.com/US/en/motion/support/dlad/
491 0 lelong 0xd75f2a80 Cineon image data
492 >200 belong >0 \b, %ld x
496 # Bio-Rad .PIC is an image format used by microscope control systems
497 # and related image processing software used by biologists.
498 # From: Vebjorn Ljosa <vebjorn@ljosa.com>
499 54 leshort 12345 Bio-Rad .PIC Image File
502 >4 leshort =1 1 image in file
503 >4 leshort >1 %hd images in file
505 # From Jan "Yenya" Kasprzak <kas@fi.muni.cz>
506 # The description of *.mrw format can be found at
507 # http://www.dalibor.cz/minolta/raw_file_format.htm
508 0 string \000MRM Minolta Dimage camera raw image data
510 # From: stephane.loeuillet@tiscali.f
511 # http://www.djvuzone.org/
512 0 string AT&TFORM DjVu Image file
514 # From: Jason Bacon <bacon@smithers.neuro.mcw.edu>
515 0 beshort 0x3020 character Computer Graphics Metafile
519 # From: Tom Hilinski <tom.hilinski@comcast.net>
520 # http://www.unidata.ucar.edu/packages/netcdf/
521 0 string CDF\001 netcdf file