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
20 1 belong&0xfff7ffff 0x00020000 Targa image data - RGB
22 1 belong&0xfff7ffff 0x00030000 Targa image data - Mono
26 # The next byte following the magic is always whitespace.
27 0 string P1 Netpbm PBM image text
28 0 string P2 Netpbm PGM image text
29 0 string P3 Netpbm PPM image text
30 0 string P4 Netpbm PBM "rawbits" image data
31 0 string P5 Netpbm PGM "rawbits" image data
32 0 string P6 Netpbm PPM "rawbits" image data
33 0 string P7 Netpbm PAM image file
35 # From: bryanh@giraffe-data.com (Bryan Henderson)
36 0 string \117\072 Solitaire Image Recorder format
37 >4 string \013 MGI Type 11
38 >4 string \021 MGI Type 17
39 0 string .MDA MicroDesign data
42 0 string .MDP MicroDesign page data
46 # NIFF (Navy Interchange File Format, a modification of TIFF) images
47 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
55 # PNG [Portable Network Graphics, or "PNG's Not GIF"] images
56 # (Greg Roelofs, newt@uchicago.edu)
57 # (Albert Cahalan, acahalan@cs.uml.edu)
59 # 137 P N G \r \n ^Z \n [4-byte length] H E A D [HEAD data] [HEAD crc] ...
61 0 string \x89PNG PNG image data,
62 >4 belong !0x0d0a1a0a CORRUPTED,
67 >>25 byte 0 grayscale,
68 >>25 byte 2 \b/color RGB,
70 >>25 byte 4 gray+alpha,
71 >>25 byte 6 \b/color RGBA,
72 #>>26 byte 0 deflate/32K,
73 >>28 byte 0 non-interlaced
74 >>28 byte 1 interlaced
75 1 string PNG PNG image data, CORRUPTED
78 0 string GIF8 GIF image data
79 >4 string 7a \b, version 8%s,
80 >4 string 9a \b, version 8%s,
83 #>10 byte &0x80 color mapped,
84 #>10 byte&0x07 =0x00 2 colors
85 #>10 byte&0x07 =0x01 4 colors
86 #>10 byte&0x07 =0x02 8 colors
87 #>10 byte&0x07 =0x03 16 colors
88 #>10 byte&0x07 =0x04 32 colors
89 #>10 byte&0x07 =0x05 64 colors
90 #>10 byte&0x07 =0x06 128 colors
91 #>10 byte&0x07 =0x07 256 colors
93 # ITC (CMU WM) raster files. It is essentially a byte-reversed Sun raster,
94 # 1 plane, no encoding.
95 0 string \361\0\100\273 CMU window manager raster image data
100 # Magick Image File Format
101 0 string id=ImageMagick MIFF image data
104 0 long 1123028772 Artisan image data
105 >4 long 1 \b, rectangular 24-bit
106 >4 long 2 \b, rectangular 8-bit with colormap
107 >4 long 3 \b, rectangular 32-bit (24-bit with matte)
109 # FIG (Facility for Interactive Generation of figures), an object-based format
110 0 string #FIG FIG image text
111 >5 string x \b, version %.3s
114 0 string ARF_BEGARF PHIGS clear text archive
115 0 string @(#)SunPHIGS SunPHIGS
116 # version number follows, in the form m.n
117 >40 string SunBin binary
118 >32 string archive archive
120 # GKS (Graphics Kernel System)
121 0 string GKSM GKS Metafile
122 >24 string SunGKS \b, SunGKS
125 0 string BEGMF clear text Computer Graphics Metafile
126 # XXX - questionable magic
127 0 beshort&0xffe0 0x0020 binary Computer Graphics Metafile
128 0 beshort 0x3020 character Computer Graphics Metafile
130 # MGR bitmaps (Michael Haardt, u31b3hs@pool.informatik.rwth-aachen.de)
131 0 string yz MGR bitmap, modern format, 8-bit aligned
132 0 string zz MGR bitmap, old format, 1-bit deep, 16-bit aligned
133 0 string xz MGR bitmap, old format, 1-bit deep, 32-bit aligned
134 0 string yx MGR bitmap, modern format, squeezed
136 # Fuzzy Bitmap (FBM) images
137 0 string %bitmap\0 FBM image data
138 >30 long 0x31 \b, mono
139 >30 long 0x33 \b, color
142 1 string PC\ Research,\ Inc group 3 fax data
143 >29 byte 0 \b, normal resolution (204x98 DPI)
144 >29 byte 1 \b, fine resolution (204x196 DPI)
146 # PC bitmaps (OS/2, Windoze BMP files) (Greg Roelofs, newt@uchicago.edu)
147 0 string BM PC bitmap data
148 >14 leshort 12 \b, OS/2 1.x format
149 >>18 leshort x \b, %d x
151 >14 leshort 64 \b, OS/2 2.x format
152 >>18 leshort x \b, %d x
154 >14 leshort 40 \b, Windows 3.x format
155 >>18 lelong x \b, %d x
158 0 string IC PC icon data
159 0 string PI PC pointer image data
160 0 string CI PC color icon data
161 0 string CP PC color pointer image data
162 # Conflicts with other entries [BABYL]
163 #0 string BA PC bitmap array data
165 # XPM icons (Greg Roelofs, newt@uchicago.edu)
166 # note possible collision with C/REXX entry in c-lang; currently commented out
167 0 string /*\ XPM\ */ X pixmap image text
169 # Utah Raster Toolkit RLE images (janl@ifi.uio.no)
170 0 leshort 0xcc52 RLE image data,
173 >2 leshort >0 \b, lower left corner: %d
174 >4 leshort >0 \b, lower right corner: %d
175 >10 byte&0x1 =0x1 \b, clear first
176 >10 byte&0x2 =0x2 \b, no background
177 >10 byte&0x4 =0x4 \b, alpha channel
178 >10 byte&0x8 =0x8 \b, comment
179 >11 byte >0 \b, %d color channels
180 >12 byte >0 \b, %d bits per pixel
181 >13 byte >0 \b, %d color map channels
183 # image file format (Robert Potter, potter@cs.rochester.edu)
184 0 string Imagefile\ version- iff image data
185 # this adds the whole header (inc. version number), informative but longish
188 # Sun raster images, from Daniel Quinlan (quinlan@yggdrasil.com)
189 0 belong 0x59a66a95 Sun raster image data
190 >4 belong >0 \b, %d x
192 >12 belong >0 %d-bit,
193 #>16 belong >0 %d bytes long,
194 >20 belong 0 old format,
195 #>20 belong 1 standard,
196 >20 belong 2 compressed,
200 >20 belong 0xffff reserved for testing,
201 >24 belong 0 no colormap
202 >24 belong 1 RGB colormap
203 >24 belong 2 raw colormap
204 #>28 belong >0 colormap is %d bytes long
206 # SGI image file format, from Daniel Quinlan (quinlan@yggdrasil.com)
209 # http://reality.sgi.com/grafica/sgiimage.html
211 0 beshort 474 SGI image data
212 #>2 byte 0 \b, verbatim
214 #>3 byte 1 \b, normal precision
215 >3 byte 2 \b, high precision
216 >4 beshort x \b, %d-D
217 >6 beshort x \b, %d x
219 >10 beshort x \b, %d channel
221 >80 string >0 \b, "%s"
223 0 string IT01 FIT image data
228 0 string IT02 FIT image data
233 2048 string PCD_IPI Kodak Photo CD image pack file
234 >0xe02 byte&0x03 0x00 , landscape mode
235 >0xe02 byte&0x03 0x01 , portrait mode
236 >0xe02 byte&0x03 0x02 , landscape mode
237 >0xe02 byte&0x03 0x03 , portrait mode
238 0 string PCD_OPA Kodak Photo CD overview pack file
240 # FITS format. Jeff Uphoff <juphoff@tarsier.cv.nrao.edu>
241 # FITS is the Flexible Image Transport System, the de facto standard for
242 # data and image transfer, storage, etc., for the astronomical community.
243 # (FITS floating point formats are big-endian.)
244 0 string SIMPLE\ \ = FITS image data
245 >109 string 8 \b, 8-bit, character or unsigned binary integer
246 >108 string 16 \b, 16-bit, two's complement binary integer
247 >107 string \ 32 \b, 32-bit, two's complement binary integer
248 >107 string -32 \b, 32-bit, floating point, single precision
249 >107 string -64 \b, 64-bit, floating point, double precision
252 0 string This\ is\ a\ BitMap\ file Lisp Machine bit-array-file
253 0 string !! Bennet Yee's "face" format
255 # From SunOS 5.5.1 "/etc/magic" - appeared right before Sun raster image
258 0 beshort 0x1010 PEX Binary Archive
261 03000 string Visio\ (TM)\ Drawing %s
264 0 string \%TGIF\ x Tgif file version %s
266 # DICOM medical imaging data
267 128 string DICM DICOM medical imaging data
269 # XWD - X-Windows Dump file.
270 # As described in /usr/X11R6/include/X11/XWDFile.h
271 # used by the xwd program.
272 # Bradford Castalia, idaeim, 1/01
273 4 belong 7 XWD X-Windows Dump image data
274 >100 string >\0 \b, "%s"
279 # PDS - Planetary Data System
280 # These files use Parameter Value Language in the header section.
281 # Unfortunately, there is no certain magic, but the following
282 # strings have been found to be most likely.
283 0 string NJPL1I00 PDS (JPL) image data
284 2 string NJPL1I PDS (JPL) image data
285 0 string CCSD3ZF PDS (CCSD) image data
286 2 string CCSD3Z PDS (CCSD) image data
287 0 string PDS_ PDS image data
288 0 string LBLSIZE= PDS (VICAR) image data
290 # pM8x: ATARI STAD compressed bitmap format
292 # from Oskar Schirmer <schirmer@scara.com> Feb 2, 2001
293 # p M 8 5/6 xx yy zz data...
294 # Atari ST STAD bitmap is always 640x400, bytewise runlength compressed.
295 # bytes either run horizontally (pM85) or vertically (pM86). yy is the
296 # most frequent byte, xx and zz are runlength escape codes, where xx is
297 # used for runs of yy.
299 0 string pM85 Atari ST STAD bitmap image data (hor)
300 >5 byte 0x00 (white background)
301 >5 byte 0xFF (black background)
302 0 string pM86 Atari ST STAD bitmap image data (vert)
303 >5 byte 0x00 (white background)
304 >5 byte 0xFF (black background)
307 # This is bad magic 0x5249 == 'RI' conflicts with RIFF and other
309 # SGI RICE image file <mpruett@sgi.com>
310 #0 beshort 0x5249 RICE image
319 #>10 beshort 1 4:2:2:4
321 #>10 beshort 3 4:4:4:4
323 #>12 beshort 2 CCIR601
327 #------------------------------------------------------------------------------
329 # Marco Schmidt (marcoschmidt@users.sourceforge.net) -- an image file format
330 # for the EPOC operating system, which is used with PDAs like those from Psion
332 # see http://huizen.dds.nl/~frodol/psiconv/html/Index.html for a description
333 # of various EPOC file formats
335 0 string \x37\x00\x00\x10\x42\x00\x00\x10\x00\x00\x00\x00\x39\x64\x39\x47 EPOC MBM image file