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Diffstat (limited to 'magic/Magdir/icc')
| -rw-r--r-- | magic/Magdir/icc | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/magic/Magdir/icc b/magic/Magdir/icc new file mode 100644 index 0000000..15fd76b --- /dev/null +++ b/magic/Magdir/icc @@ -0,0 +1,214 @@ + +#------------------------------------------------------------------------------ +# $File: icc,v 1.7 2021/04/26 15:56:00 christos Exp $ +# icc: file(1) magic for International Color Consortium file formats + +# +# Color profiles as per the ICC's "Image technology colour management - +# Architecture, profile format, and data structure" specification. +# See +# +# http://www.color.org/specification/ICC1v43_2010-12.pdf +# +# for Specification ICC.1:2010 (Profile version 4.3.0.0). +# URL: http://fileformats.archiveteam.org/wiki/ICC_profile +# Reference: http://www.color.org/iccmax/ICC.2-2016-7.pdf +# Update: Joerg Jenderek +# +# Bytes 36 to 39 contain a generic profile file signature of "acsp"; +# bytes 40 to 43 "may be used to identify the primary platform/operating +# system framework for which the profile was created". +# +# check and display ICC/ICM color profile +0 name color-profile +>36 string acsp +# skip ASCII like Cognacspirit.txt by month <= 12 +>>26 ubeshort <13 +# platform/operating system. Only 5 mentioned + +# +# This appears to be what's used for Apple ColorSync profiles. +# Instead of adding that, Apple just changed the generic "acsp" entry +# to be for "ColorSync ICC Color Profile" rather than "Kodak Color +# Management System, ICC Profile". +# Yes, it's "APPL", not "AAPL"; see the spec. +>>>40 string APPL ColorSync + +# Microsoft ICM color profile +>>>40 string MSFT Microsoft + +# Yes, that's a blank after "SGI". +>>>40 string SGI\ SGI + +# XXX - is this what's used for the Sun KCMS or not? The standard file +# uses just "acsp" for that, but Apple's file uses it for "ColorSync", +# and there *is* an identified "primary platform" value of SUNW. +>>>40 string SUNW Sun KCMS + +# 5th platform +>>>40 string TGNT Taligent + +# remaining "l" "e" of "color profile" printed later to avoid error +>>>40 string x color profi +#>>>40 string x (%.4s) +!:mime application/vnd.iccprofile +# for "ICM" extension only versions 2.x and for Kodak "CC" 2.0 is found +>>>8 ubyte =2 +# do not use empty message text to avoid error like +# icc, 82: Warning: Current entry does not yet have a description for adding a EXTENSION type +# file.exe: could not find any valid magic files! +>>>>9 ubyte !0 \ble +!:ext icc/icm +# minor version +>>>>9 ubyte =0 \bl +# Kodak colour management system +>>>>>4 string =KCMS \be +!:ext icc/icm/cc +>>>>>4 string !KCMS \be +!:ext icc/icm +>>>8 ubyte !2 \ble +!:ext icc +# Profile version major.4bit-minor.sub1.sub2 like 4.3.0.0 (04300000h) +>>>8 ubyte x %u +>>>9 ubyte/16 x \b.%u +# reserved and shall be null but 205.205 in umx1220u.icm +>>>10 ubyte >0 \b.%u +>>>>11 ubyte >0 \b.%u +# preferred colour management module like appl CCMS KCMS Lino UCCM "Win " "FF " +# skip space like in brmsl08f.icm and null like in brmsl09f.icm, brmsl07f.icm +>>>4 string >\ \b, type %.2s +>>>>6 string >\ \b%.1s +>>>>>7 string >\ \b%.1s +# colour space "XYZ " "Lab " "RGB " CMYK GRAY ... +>>>16 string x \b, %.3s +>>>19 string >\ \b%.1s +# Profile Connection Space (PCS) field usually "XYZ " or "Lab " but sometimes +# null or CMYK like in ISOcoated_v2_to_PSOcoated_v3_DeviceLink.icc +>>>20 string >\0 \b/%.3s +>>>>23 string >\ \b%.1s +# eleven device classes +>>>12 string x \b-%.4s device +# skip 00001964h in hpf69000.icc or 0h in XRDC50Q.ICM or " ROT" in brmsl05f.icm +>>>52 string >\040 +# skip "none" model like in "Trinitron Compatible 9300K G2.2.icm" +>>>>52 ubelong !0x6e6f6e65 +# device manufacturer field like "HP " "IBM " EPSO +>>>>>48 string x \b, %.2s +>>>>>50 string >\ \b%.1s +>>>>>51 string >\ \b%.1s +# model like "ADI " "A265" and skip 20000404h in IS330.icm for RICOH RUSSIAN-SC +>>>>>52 string >\ \ \b/%.3s +>>>>>>55 string >\ \b%.1s +>>>>>52 string x model +# creator (often same as manufacture) like HP SONY XROX or null like in A925A.icm +>>>80 string >\0 by %.2s +>>>>82 string >\ \b%.1s +>>>>>83 string >\ \b%.1s +# profile size +>>>0 ubelong x \b, %u bytes +# skip invalid date 0 like in linearSRGB.icc +>>>24 ubequad !0 +# datetime dd-mm-yyyy hh:mm:ss +>>>>28 ubeshort x \b, %u +# month <= 12 +>>>>26 ubeshort x \b-%u +# year +>>>>24 ubeshort x \b-%u +# do not display midnight time like in CNHP8308.ICC +>>>>30 ubequad&0xFFffFFffFFff0000 !0 +# hour <= 24 +>>>>>30 ubeshort x %u +# minutes <= 59 +>>>>>32 ubeshort x \b:%.2u +# seconds <= 59 +>>>>>34 ubeshort x \b:%.2u +# vendor specific flags like 2 in HPCLJ5.ICM +>>>44 ubeshort >0 \b, %#x vendor flags +# profile flags bits 0-2 of least 16 used by ICC +#>>>44 ubelong >0 \b, %#x flags +# icEmbeddedProfileTrue +>>>44 ubelong &1 \b, embedded +# icEmbeddedProfileFalse +#>>>44 ubelong ^1 \b, not embedded +# icUseWithEmbeddedDataOnly +>>>44 ubelong &2 \b, dependently +# icUseAnywhere +#>>>44 ubelong ^2 \b, independently +>>>44 ubelong &4 \b, MCS +#>>>44 ubelong ^4 \b, no MCS +# vendor specific device attributes 1~srgb.icc +# E000D00h~CNB7QEDA.ICM C000A00h~CNB5FCAA.ICM 01040401h~CNB25PE3.ICM +>>>56 ubelong >0 \b, %#x vendor attribute +# ICC device attributes bits 0-7 used +#>>>60 ubelong x \b, %#x attribute +# http://www.color.org/icc34.h +>>>60 ubelong &0x01 \b, transparent +#>>>60 ubelong ^0x01 \b, reflective +>>>60 ubelong &0x02 \b, matte +#>>>60 ubelong ^0x02 \b, glossy +>>>60 ubelong &0x04 \b, negative +#>>>60 ubelong ^0x04 \b, positive +>>>60 ubelong &0x08 \b, black&white +#>>>60 ubelong ^0x08 \b, colour +>>>60 ubelong &0x10 \b, non-paper +#>>>60 ubelong ^0x10 \b, paper +>>>60 ubelong &0x20 \b, non-textured +#>>>60 ubelong ^0x20 \b, textured +>>>60 ubelong &0x40 \b, non-isotropic +#>>>60 ubelong ^0x40 \b, isotropic +>>>60 ubelong &0x80 \b, self-luminous +#>>>60 ubelong ^0x80 \b, non-self-luminous +# rendering intent 0-3 but 7AEA5027h in EE051__1.ICM 6CB1BCh in EE061__1.ICM +>>>64 ubelong >3 \b, %#x rendering intent +#>>>64 ubelong =0 \b, perceptual +>>>64 ubelong =1 \b, relative colorimetric +>>>64 ubelong =2 \b, saturation +>>>64 ubelong =3 \b, absolute colorimetric +# PCS illuminant (3*s15Fixed16Numbers) often 0000f6d6 00010000 0000d32d +>>>71 ubequad !0xd6000100000000d3 \b, PCS +# usually X~0.9642*65536=63189.8112~63190=F6D5h ; but also found +# often F6D6 in gt5000r.icm, F6B8 in kodakce.icm, F6CA in RSWOP.icm +>>>>68 ubelong !0x0000f6d5 X=%#x +# usually Y=1.0~00010000h but Y=0 in brmsl07f.icm +>>>>72 ubelong !0x00010000 Y=%#x +# usually Z~0.8249*65536=54060.6464~54061=D32Dh ; but also found +# D2F7 in hp1200c.icm, often D32C in A925A.icm, D309 in RSWOP.icm , D2F8 in kodak_dc.icm +>>>>76 ubelong !0x0000d32d Z=%#x +# Profile ID. MD5 fingerprinting method as defined in Internet RFC 1321. +>>>84 ubequad >0 \b, %#llx MD5 +# reserved in older versions should be zero but also found CDCDCDCDCDCDCDCD +#>>100 ubequad x \b %#llx reserved +# tag table +# 6 <= tags count <= 43 +#>>>128 ubelong >43 \b, %u tags +>>>128 ubelong x +# shall contain the profileDescriptionTag "desc" , copyrightTag "cprt" +# search range = tags count * 12 -8=< maximal tag count * 12 -8= 43 * 12 -8= 508 +>>>>132 search/508 cprt +# but no copyright tag in linearSRGB.icc +# beneath /System/Library/Frameworks/WebKit.framework/ +# Versions/A/Frameworks/WebCore.framework/Versions/A/Resources +>>>>132 default x \b, no copyright tag +# 1st tag +#>>>132 string x \b, 1st tag %.4s +#>>>136 ubelong x %#x offset +#>>>140 ubelong x %#x len +# 2nd tag,... +# look also for profileDescriptionTag "desc" +>>>132 search/508 desc +# look further for TextDescriptionType "desc" signature +>>>>(&0.L) string =desc +>>>>>&4 pstring/l x "%s" +# look alternative for multiLocalizedUnicodeType "mluc" signature like in VideoPAL.icc +>>>>(&0.L) string =mluc +>>>>>&(&8.L) ubequad x +>>>>>>&4 bestring16 x '%s' + +# Any other profile. +# XXX - should we use "acsp\0\0\0\0" for "no primary platform" profiles, +# and use "acsp" for everything else and dump the "primary platform" +# string in those cases? +36 string acsp +>0 use color-profile + + |