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Disambiguate and more detail for Macintosh QuickDraw PICT versus Claris
clip art (Joerg Jenderek)
This commit is contained in:
Christos Zoulas
parent
c580fc000a
commit
d810651432
@ -1,8 +1,10 @@
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#------------------------------------------------------------------------------
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# $File: claris,v 1.8 2016/07/18 19:23:38 christos Exp $
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# $File: claris,v 1.9 2024/07/07 14:36:49 christos Exp $
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# claris: file(1) magic for claris
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# "H. Nanosecond" <aldomel@ix.netcom.com>
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# Update: Joerg Jenderek 2024 May
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# URL: https://en.wikipedia.org/wiki/AppleWorks
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# Claris Works a word processor, etc.
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# Version 3.0
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@ -12,8 +14,14 @@
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#0001000 #010 250 377 377 377 377 000 213 000 230 000 021 002 377 014 000
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#null to byte 1000 octal
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514 string \377\377\377\377\000
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# https://sembiance.com/fileFormatSamples/image/pict/
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# Claris clip art (strength=80) after few Macintosh QuickDraw (strength=81=70+11 ./images) with corner coordinates -1/-1 and Y=0x00?? like PICT_2012.pict
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#!:strength +0
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>0 string \0\0\0\0\0\0\0\0\0\0\0\0\0 Claris clip art
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514 string \377\377\377\377\001
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# https://sembiance.com/fileFormatSamples/image/pict/
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# Claris clip art (strength=80) after few Macintosh QuickDraw (strength=81=70+11 ./images) with corner coordinates -1/-1 and Y=0x01?? like PICT_129.pict
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#!:strength +0
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>0 string \0\0\0\0\0\0\0\0\0\0\0\0\0 Claris clip art
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# Claris works files
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@ -1,6 +1,6 @@
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#------------------------------------------------------------------------------
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# $File: images,v 1.253 2024/05/12 18:37:21 christos Exp $
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# $File: images,v 1.254 2024/07/07 14:36:49 christos Exp $
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# images: file(1) magic for image formats (see also "iff", and "c-lang" for
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# XPM bitmaps)
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#
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@ -4418,3 +4418,101 @@
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>>&1 string x \b, sizes: %s
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>0 search encoding:
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>>&1 string x \b, encoding: %s
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# From: Joerg Jenderek
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# URL: http://justsolve.archiveteam.org/wiki/PICT
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# https://en.wikipedia.org/wiki/PICT
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# Reference: https://www.fileformat.info/format/macpict/egff.htm
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# http://mark0.net/download/triddefs_xml.7z/defs/p/pict-v2.trid.xml
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# Note: called "Macintosh Quickdraw/PICT drawing" by shared MIME-info database from freedesktop.org,
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# "QuickDraw/PICT bitmap (v2)" by TrID and "Macintosh PICT Image" version 2.0 by DROID via PUID via fmt/341
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# verified by command like `deark -m pict -l -d2 flag_b24.pct` as PICT v2,
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# partly by NetPBM `picttoppm venus.pct | file` as "Macintosh PICT",
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# partly by ImageMagick `identify -verbose flag_b24.pct` as (Apple Macintosh QuickDraw/PICT) and
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# partly by XnView `nconvert -fullinfo *.pict *.pic *.pct` as "Macintosh PICT 2"
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# look for version operator (0011h) and version number (02FFh)
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522 ubelong 0x001102ff
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# few Macintosh QuickDraw with one corner at -1/-1 coordinates like PICT_129.pict PICT_2012.pict (strength=81=70+11) before Claris clip art (strength=80 ./claris)
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!:strength +11
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# look for Version operator (0C00h)
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>526 ubeshort 0x0c00
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# skip DROID fmt-341-signature-id-468.pct with invalid dimension x=0
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>>520 ubeshort !0
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# skip DROID variant fmt-341-signature-id-468.pct using 0xAB instead 0x0
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>>>0 long !0xABABABAB Macintosh QuickDraw PICT, version 2
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#!:mime application/octet-stream
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!:mime image/x-pict
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!:apple ????PICT
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!:ext pict/pic/pct
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# maybe also suffix pict2 https://www.xnview.com/de/image_formats/
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#!:ext pict2/pict/pic/pct
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# Reference: http://mark0.net/download/triddefs_xml.7z/defs/p/pict.trid.xml
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# Note: called "Macintosh Quickdraw/PICT Drawing" by TrID
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# "real" content stored by opcode 0x8200 (CompressedQuickTime *.qtif) with none, cvid or JPEG compression
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# look for LongText QuickTime followed by trademark character
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>>>>554 search/691976/b QuickTime\252 \b, QuickTime
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# look for LongText afterwards like "and a/None|Cinepak|Photo - JPEG decompressor/are needed to see this picture"
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>>>>>&0 search/28/bs \040decompressor with decompressor
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>>>>>>&-4 string None None
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# Cinepak and "Compact Video decompressor" seems to be cvid
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>>>>>>&-7 string Cinepak Cinepak
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>>>>>>&-12 string Photo\040-\040JPEG JPEG
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>>>>>>&-13 string Compact\040Video cvid
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# case where decompression is not like: Cinepak None "Photo - JPEG" "Compact Video decompressor"
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>>>>>>&-6 default x
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>>>>>>>&0 string x "%0.6s"
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# file size in bytes; not reliable sometimes 0 or little smaller than real size
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#>>>>512 ubeshort x \b, size %u
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# 8 bytes picFrame (rectangle); for most examples one corner is located at coordinates 0/0; except deark other tools fail when negative values
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# GRR: samples with coordinates -1/-1 and Y=0x01??|0x00?? are interpreted as "Claris clip art" (strength=80 ./claris)
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#>>>>518 ubeshort x Y=%#4.4x
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>>>>520 ubeshort x \b, %u
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>>>>>516 beshort !0 \b-%d
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>>>>518 ubeshort x x %u
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>>>>>514 beshort !0 \b-%d
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# Note: at the beginning all zeros or information about the particular software like: PICT
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>>>>0 long !0 \b, at 0
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>>>>>0 string x %.4s
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# version 2.0 files also have a 26-byte header following the version information
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# like: 0 FFFEh (freedesktop egff~Encyclopedia of Graphics File Formats) FFFFh (egff)
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>>>>528 ubeshort x \b, at 528 %#4.4x
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# 2nd opcode like: 0x0000~NOP 0x0001~Clip 0x00a0~ShortComment 0x00a1~LongComment 0x001e~DefHilite 0x001f~OpColor
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>>>>552 ubeshort x \b, at 552 second opcode %#4.4x
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# last opcode if not opEndPic (00FFh)
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>>>>-2 ubeshort !0x00FF \b, at the end %#4.4x opcode
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# Reference: http://web.archive.org/web/20010703041301/http://developer.apple.com/technotes/qd/qd_14.html
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# http://mark0.net/download/triddefs_xml.7z/defs/p/pict-v1.trid.xml
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# Note: called "QuickDraw/PICT bitmap (v1)" by TrID and "Macintosh PICT Image" version 1.0 by DROID via PUID via x-fmt/80
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# verified by command like `deark -m pict -l -d2 FC9.PCT` as PICT v1,
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# by ImageMagick `identify -verbose *.pict` as PICT (Apple Macintosh QuickDraw/PICT) and
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# by XnView `nconvert -fullinfo *.pict *.pct` as "Macintosh PICT"
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# 1 byte opcode for picversion (11h); next byte version number (1)
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522 ubeshort 0x1101
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# skip DROID x-fmt-80-signature-id-859.pct x-fmt-80-signature-id-860.pct without next opcode usually clipRgn (1h)
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>524 ubyte =0x01
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>>0 use mac-pict1
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# display Macintosh PICT drawing version 1 information
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0 name mac-pict1
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>520 ubeshort x Macintosh QuickDraw PICT, version 1
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#!:mime application/octet-stream
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!:mime image/x-pict
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!:apple ????PICT
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!:ext pict/pct
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# maybe also suffix pict1 and pic
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#!:ext pict1/pict/pic/pct
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# file size in bytes; not reliable sometimes 0 or smaller than real size
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#>512 ubeshort x \b, size %u
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# 8 bytes picFrame (rectangle)
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>520 ubeshort x \b, %u
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>516 ubeshort !0 \b-%u
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>518 ubeshort x x %u
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>514 ubeshort !0 \b-%u
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# Note: According to DROID at the beginning all zeros or information about the particular software like DRWG(MD|D2)
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>0 long !0 \b, at 0
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>>0 string x %.6s
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>>0 ubelong x %#8.8x
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>>4 ubeshort x \b%4.4x
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# 2nd opcode if not clipRgn (1h)
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>524 ubyte !0x01 \b, at 524 %#2.2x opcode
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# last opcode if not opEndPic (FFh)
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>-1 ubyte !0xFF \b, at the end %#2.2x opcode
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