#------------------------------------------------------------------------------# images:  file(1) magic for image formats (see also "iff")## originally from jef@helios.ee.lbl.gov (Jef Poskanzer),# additions by janl@ifi.uio.no as well as others. Jan also suggested# merging several one- and two-line files into here.## little magic: PCX (first byte is 0x0a)# Targa - matches `povray', `ppmtotga' and `xv' outputs# by Philippe De Muyter <phdm@macqel.be># at 2, byte ImgType must be 1, 2, 3, 9, 10 or 11# at 1, byte CoMapType must be 1 if ImgType is 1 or 9, 0 otherwise# at 3, leshort Index is 0 for povray, ppmtotga and xv outputs# `xv' recognizes only a subset of the following (RGB with pixelsize = 24)# `tgatoppm' recognizes a superset (Index may be anything)1	belong&0xfff7ffff	0x01010000	Targa image data - Map>2	byte&8			8		- RLE>12	leshort			>0		%hd x>14	leshort			>0		%hd1	belong&0xfff7ffff	0x00020000	Targa image data - RGB>2	byte&8			8		- RLE>12	leshort			>0		%hd x>14	leshort			>0		%hd1	belong&0xfff7ffff	0x00030000	Targa image data - Mono>2	byte&8			8		- RLE>12	leshort			>0		%hd x>14	leshort			>0		%hd# PBMPLUS images# The next byte following the magic is always whitespace.0	string		P1		Netpbm PBM image text0	string		P2		Netpbm PGM image text0	string		P3		Netpbm PPM image text0	string		P4		Netpbm PBM "rawbits" image data0	string		P5		Netpbm PGM "rawbits" image data0	string		P6		Netpbm PPM "rawbits" image data0	string		P7		Netpbm PAM image file# From: bryanh@giraffe-data.com (Bryan Henderson)0	string		\117\072	Solitaire Image Recorder format>4	string		\013		MGI Type 11>4	string		\021		MGI Type 170	string		.MDA		MicroDesign data>21	byte		48		version 2>21	byte		51		version 30	string		.MDP		MicroDesign page data>21	byte		48		version 2>21	byte		51		version 3# NIFF (Navy Interchange File Format, a modification of TIFF) images0	string		IIN1		NIFF image data# Tag Image File Format, from Daniel Quinlan (quinlan@yggdrasil.com)# The second word of TIFF files is the TIFF version number, 42, which has# never changed.  The TIFF specification recommends testing for it.0	string		MM\x00\x2a	TIFF image data, big-endian0	string		II\x2a\x00	TIFF image data, little-endian# PNG [Portable Network Graphics, or "PNG's Not GIF"] images# (Greg Roelofs, newt@uchicago.edu)# (Albert Cahalan, acahalan@cs.uml.edu)## 137 P N G \r \n ^Z \n [4-byte length] H E A D [HEAD data] [HEAD crc] ...#0	string		\x89PNG		PNG image data,>4	belong		!0x0d0a1a0a	CORRUPTED,>4	belong		0x0d0a1a0a>>16	belong		x		%ld x>>20	belong		x		%ld,>>24	byte		x		%d-bit>>25	byte		0		grayscale,>>25	byte		2		\b/color RGB,>>25	byte		3		colormap,>>25	byte		4		gray+alpha,>>25	byte		6		\b/color RGBA,#>>26	byte		0		deflate/32K,>>28	byte		0		non-interlaced>>28	byte		1		interlaced1	string		PNG		PNG image data, CORRUPTED# GIF0	string		GIF8		GIF image data>4	string		7a		\b, version 8%s,>4	string		9a		\b, version 8%s,>6	leshort		>0		%hd x>8	leshort		>0		%hd#>10	byte		&0x80		color mapped,#>10	byte&0x07	=0x00		2 colors#>10	byte&0x07	=0x01		4 colors#>10	byte&0x07	=0x02		8 colors#>10	byte&0x07	=0x03		16 colors#>10	byte&0x07	=0x04		32 colors#>10	byte&0x07	=0x05		64 colors#>10	byte&0x07	=0x06		128 colors#>10	byte&0x07	=0x07		256 colors# ITC (CMU WM) raster files.  It is essentially a byte-reversed Sun raster,# 1 plane, no encoding.0	string		\361\0\100\273	CMU window manager raster image data>4	lelong		>0		%d x>8	lelong		>0		%d,>12	lelong		>0		%d-bit# Magick Image File Format0	string		id=ImageMagick	MIFF image data# Artisan0	long		1123028772	Artisan image data>4	long		1		\b, rectangular 24-bit>4	long		2		\b, rectangular 8-bit with colormap>4	long		3		\b, rectangular 32-bit (24-bit with matte)# FIG (Facility for Interactive Generation of figures), an object-based format0	string		#FIG		FIG image text>5	string		x		\b, version %.3s# PHIGS0	string		ARF_BEGARF		PHIGS clear text archive0	string		@(#)SunPHIGS		SunPHIGS# version number follows, in the form m.n>40	string		SunBin			binary>32	string		archive			archive# GKS (Graphics Kernel System)0	string		GKSM		GKS Metafile>24	string		SunGKS		\b, SunGKS# CGM image files0	string		BEGMF		clear text Computer Graphics Metafile# XXX - questionable magic0	beshort&0xffe0	0x0020		binary Computer Graphics Metafile0	beshort		0x3020		character Computer Graphics Metafile# MGR bitmaps  (Michael Haardt, u31b3hs@pool.informatik.rwth-aachen.de)0	string	yz	MGR bitmap, modern format, 8-bit aligned0	string	zz	MGR bitmap, old format, 1-bit deep, 16-bit aligned0	string	xz	MGR bitmap, old format, 1-bit deep, 32-bit aligned0	string	yx	MGR bitmap, modern format, squeezed# Fuzzy Bitmap (FBM) images0	string		%bitmap\0	FBM image data>30	long		0x31		\b, mono>30	long		0x33		\b, color# facsimile data1	string		PC\ Research,\ Inc	group 3 fax data>29	byte		0		\b, normal resolution (204x98 DPI)>29	byte		1		\b, fine resolution (204x196 DPI)# From: Herbert Rosmanith <herp@wildsau.idv.uni.linz.at>0	string		Sfff		structured fax file# PC bitmaps (OS/2, Windoze BMP files)  (Greg Roelofs, newt@uchicago.edu)0	string		BM		PC bitmap data>14	leshort		12		\b, OS/2 1.x format>>18	leshort		x		\b, %d x>>20	leshort		x		%d>14	leshort		64		\b, OS/2 2.x format>>18	leshort		x		\b, %d x>>20	leshort		x		%d>14	leshort		40		\b, Windows 3.x format>>18	lelong		x		\b, %d x>>22	lelong		x		%d x>>28	leshort		x		%d# Too simple - MPi#0	string		IC		PC icon data#0	string		PI		PC pointer image data#0	string		CI		PC color icon data#0	string		CP		PC color pointer image data# Conflicts with other entries [BABYL]#0	string		BA		PC bitmap array data# XPM icons (Greg Roelofs, newt@uchicago.edu)# note possible collision with C/REXX entry in c-lang; currently commented out0	string		/*\ XPM\ */	X pixmap image text# Utah Raster Toolkit RLE images (janl@ifi.uio.no)0	leshort		0xcc52		RLE image data,>6	leshort		x		%d x>8	leshort		x		%d>2	leshort		>0		\b, lower left corner: %d>4	leshort		>0		\b, lower right corner: %d>10	byte&0x1	=0x1		\b, clear first>10	byte&0x2	=0x2		\b, no background>10	byte&0x4	=0x4		\b, alpha channel>10	byte&0x8	=0x8		\b, comment>11	byte		>0		\b, %d color channels>12	byte		>0		\b, %d bits per pixel>13	byte		>0		\b, %d color map channels# image file format (Robert Potter, potter@cs.rochester.edu)0	string		Imagefile\ version-	iff image data# this adds the whole header (inc. version number), informative but longish>10	string		>\0		%s# Sun raster images, from Daniel Quinlan (quinlan@yggdrasil.com)0	belong		0x59a66a95	Sun raster image data>4	belong		>0		\b, %d x>8	belong		>0		%d,>12	belong		>0		%d-bit,#>16	belong		>0		%d bytes long,>20	belong		0		old format,#>20	belong		1		standard,>20	belong		2		compressed,>20	belong		3		RGB,>20	belong		4		TIFF,>20	belong		5		IFF,>20	belong		0xffff		reserved for testing,>24	belong		0		no colormap>24	belong		1		RGB colormap>24	belong		2		raw colormap#>28	belong		>0		colormap is %d bytes long# SGI image file format, from Daniel Quinlan (quinlan@yggdrasil.com)## See#	http://reality.sgi.com/grafica/sgiimage.html#0	beshort		474		SGI image data#>2	byte		0		\b, verbatim>2	byte		1		\b, RLE#>3	byte		1		\b, normal precision>3	byte		2		\b, high precision>4	beshort		x		\b, %d-D>6	beshort		x		\b, %d x>8	beshort		x		%d>10	beshort		x		\b, %d channel>10	beshort		!1		\bs>80	string		>0		\b, "%s"0	string		IT01		FIT image data>4	belong		x		\b, %d x>8	belong		x		%d x>12	belong		x		%d#0	string		IT02		FIT image data>4	belong		x		\b, %d x>8	belong		x		%d x>12	belong		x		%d#2048	string		PCD_IPI		Kodak Photo CD image pack file>0xe02	byte&0x03	0x00		, landscape mode>0xe02	byte&0x03	0x01		, portrait mode>0xe02	byte&0x03	0x02		, landscape mode>0xe02	byte&0x03	0x03		, portrait mode0	string		PCD_OPA		Kodak Photo CD overview pack file# FITS format.  Jeff Uphoff <juphoff@tarsier.cv.nrao.edu># FITS is the Flexible Image Transport System, the de facto standard for# data and image transfer, storage, etc., for the astronomical community.# (FITS floating point formats are big-endian.)0	string	SIMPLE\ \ =	FITS image data>109	string	8		\b, 8-bit, character or unsigned binary integer>108	string	16		\b, 16-bit, two's complement binary integer>107	string	\ 32		\b, 32-bit, two's complement binary integer>107	string	-32		\b, 32-bit, floating point, single precision>107	string	-64		\b, 64-bit, floating point, double precision# other images0	string	This\ is\ a\ BitMap\ file	Lisp Machine bit-array-file0	string		=!!		Bennet Yee's "face" format# From SunOS 5.5.1 "/etc/magic" - appeared right before Sun raster image# stuff.