#------------------------------------------------------------------------------
-# $File: fonts,v 1.35 2017/03/17 21:35:28 christos Exp $
+# $File: fonts,v 1.37 2017/06/24 00:39:00 christos Exp $
# fonts: file(1) magic for font data
#
0 search/1 FONT ASCII vfont text
>4 beshort >0 version %d
# True Type fonts
-0 string \000\001\000\000\000 TrueType font data
-!:mime application/x-font-ttf
+# Modified by: Joerg Jenderek
+# URL: https://en.wikipedia.org/wiki/TrueType
+# Reference: https://developer.apple.com/fonts/TrueType-Reference-Manual/
+#
+# sfnt version "typ1" used by some Apple, but no example found
+0 string typ1
+>0 use sfnt-font
+>0 use sfnt-names
+# sfnt version "true" used by some Apple
+0 string true
+>0 use sfnt-font
+>0 use sfnt-names
+# GRR: below test is too general
+# sfnt version often 0x00010000
+0 string \000\001\000\000
+>0 use sfnt-font
+>0 use sfnt-names
+# validate and display sfnt font data like number of tables
+0 name sfnt-font
+# file 5.30 version assumes 00FFh as maximal number of tables
+#>4 ubeshort <0x0100
+# maximal 27 tables found like in Skia.ttf
+# 46 different table names mentioned on Apple specification
+# skip 1st sequence of DOS 2 backup with path separator (\~92 or /~47) misinterpreted as table number
+>4 ubeshort <47
+# skip bad examples with garbage table names like in a5.show HYPERC MAC
+# tag names consist of up to four characters padded with spaces at end like
+# BASE DSIG OS/2 Zapf acnt glyf cvt vmtx xref ...
+>>12 regex/4l \^[A-Za-z][A-Za-z][A-Za-z/][A-Za-z2\ ]
+#>>>0 ubelong x \b, sfnt version 0x%x
+>>>0 ubelong !0x4f54544f TrueType
+!:mime application/font-sfnt
+#!:mime font/ttf
+!:apple ????tfil
+# .ttf for TrueType font
+# EUDC.tte created by privat character editor %WINDIR%\system32\eudcedit.exe
+!:ext ttf/tte
+# sfnt version 4F54544Fh~OTTO
+>>>0 ubelong =0x4f54544f OpenType
+!:mime application/font-sfnt
+#!:mime font/otf
+!:apple ????OTTO
+!:ext otf
+>>>0 ubelong x Font data
+# DSIG=44454947h table name implies a digitally signed font
+# search range = number of tables * 16 =< maximal number of tables * 16 = 27 * 16 = 432
+>>>12 search/432 DSIG \b, digitally signed
+>>>4 ubeshort x \b, %d tables
+# minimal 9 tables found like in NISC18030.ttf
+#>>>4 ubeshort <10 TMIN
+#>>>4 ubeshort >24 TBIG
+# table directory entries
+>>>12 string x \b, 1st "%4.4s"
+
+# search and display 1st name in sfnt font which is often copyright text
+# does not work inside font collections
+0 name sfnt-names
+# search for naming table
+>12 search/432/s name
+# biggest offset 0x0100bd28 like Windows10 Fonts\simsunb.ttf
+#>>>>&8 ubelong >0x0100bd27 BIGGEST OFFSET
+>>&8 ubelong >0x00100000
+# offset of name table
+>>>&-4 ubelong x \b, name offset 0x%x
+# GRR: pointer to name table only works if offset ~< FILE_BYTES_MAX = 100000h defined in src\file.h
+>>&8 ubelong <0x00100000
+>>>&-16 ubelong x
+# name table
+>>>>(&8.L) ubequad x
+# invalid format selector
+#>>>>>&-8 ubeshort !0 \b, invalid selector %x
+# minimal 3 name records found like in c:\Program Files (x86)\Tesseract-OCR\tessdata\pdf.ttf
+# maximal 1227 name records found like in Apple Chancery.ttf
+#>>>>>&-6 ubeshort <0x4 mincount
+#>>>>>&-6 ubeshort >130 maxcount
+>>>>>&-6 ubeshort x \b, %d names
+# offset to start of string storage from start of table
+#>>>>>&-4 ubeshort x \b, record offset %d
+# 1st name record
+# string offset from start of storage area
+#>>>>>&8 ubeshort x \b, string offset %d
+# string length
+#>>>>>&6 ubeshort x \b, string length %d
+# minimal name string 7 like in c:\Program Files (x86)\Kodi\addons\webinterface.default\lib\video-js\font\VideoJS.ttf
+# also found 0 like in SWZCONLN.TTF
+#>>>>>&6 ubeshort <8 MIN STRING
+# maximal name string 806 like in c:\Windows\Fonts\palabi.ttf
+#>>>>>&6 ubeshort >805 MAX STRING
+# platform identifier: 0~Apple Unicode, 1~Macintosh, 3~Microsoft
+#>>>>>&-2 ubeshort >3 BAD PLATFORM
+>>>>>&-2 ubeshort 0 \b, Unicode
+>>>>>&-2 ubeshort 1 \b, Macintosh
+>>>>>&-2 ubeshort 3 \b, Microsoft
+# languageID (0~english Macintosh, 0409h~english Microsoft, ...)
+>>>>>&2 ubeshort >0 \b, language 0x%x
+# name identifiers
+# often 0~copyright, 1~font, 2~font subfamily, 5~version, 13~license, 19~sample, ...
+>>>>>&4 ubeshort >0 \b, type %d string
+# platform specific encoding:
+# 0~undefined character set, 1~UGL set with Unicode, 3~Unicode 2.0 BMP only, 4~Unicode 2.0
+#>>>>>&0 ubeshort x \b, %d encoding
+>>>>>&0 ubeshort 0
+# handle only name string offset 0 because do not know how to add 2 relative offsets
+>>>>>>&6 ubeshort 0
+>>>>>>>&(&-14.S-18) ubyte !0
+# GRR: instead 806 only first MAXstring = 96 characters are displayed as defined in src\file.h
+# often copyright string that starts like \251 2006 The Monotype Corporation
+>>>>>>>>&-1 string x \b, %-11.96s
+# test for unicode string
+>>>>>>>&(&-14.S-18) ubyte 0
+>>>>>>>>&0 lestring16 x \b, %-11.96s
+# unicode encoding
+>>>>>&0 ubeshort >0
+>>>>>>&6 ubeshort 0
+>>>>>>>&(&-14.S-17) lestring16 x \b, %-11.96s
0 string \007\001\001\000Copyright\ (c)\ 199 Adobe Multiple Master font
0 string \012\001\001\000Copyright\ (c)\ 199 Adobe Multiple Master font
# TrueType/OpenType font collections (.ttc)
+# URL: https://en.wikipedia.org/wiki/OpenType
# http://www.microsoft.com/typography/otspec/otff.htm
-0 string ttcf TrueType font collection data
->4 belong 0x00010000 \b, 1.0
->>8 belong >0 \b, %d fonts
->4 belong 0x00020000 \b, 2.0
->>8 belong >0 \b, %d fonts
+# Modified by: Joerg Jenderek
+# Note: container for TrueType, OpenType font
+0 string ttcf
+# skip ASCII text
+>4 ubyte 0
+# sfnt version often 0x00010000 of 1st table is TrueType
+>>(12.L) ubelong !0x4f54544f TrueType
+#!:mime font/ttf
+!:apple ????tfil
+!:ext ttc
+# sfnt version 4F54544Fh~OTTO of 1st table is OpenType font
+>>(12.L) ubelong =0x4f54544f OpenType
+#!:mime font/otf
+!:apple ????OTTO
+# no example found for otc
+!:ext ttc/otc
+>>4 ubyte x font collection data
+!:mime application/font-sfnt
+#!:mime font/collection
+# TCC version
+>>4 belong 0x00010000 \b, 1.0
+>>4 belong 0x00020000 \b, 2.0
+>>8 ubelong >0 \b, %d fonts
+# array offset size = fonts * offsetsize = fonts * 4
+>>(8.L*4) ubequad x
# 0x44454947 = 'DSIG'
->>>16 belong 0x44534947 \b, digitally signed
+>>>&4 belong 0x44534947 \b, digitally signed
+# offset to 1st font
+>>12 ubelong x \b, at 0x%x
+# point to 1st font that starts with sfnt version
+>>(12.L) use sfnt-font
# Opentype font data from Avi Bercovich
0 string OTTO OpenType font data