Linux cli command ttfdump

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NAME 🖥️ ttfdump 🖥️

Dumping the contents of a TrueType Font file

SYNOPSIS

ttfdump [-h] [-t tablename] [-g glyphnumber] [-c collection] [-o dumpfile] [-i] ttfile

DESCRIPTION

ttfdump dumps the contents of a TrueType font file in ASCII form. A TrueType font file is consist of various tables. Those table are divided into two categories - Required Tables and Optional Tables. Mulitiple TrueType fonts can be merged to a TrueType Collection.

Options

-h
Print a help message on standard output and exit.

-t tablename
If this option is specified then dump the table “tablename”, otherwise dump every tables in ttfile. Tablename can be one of the following:

Required Tables
cmap
character to glyph mapping table

glyf
glyph data

head
font header

hhea
horizontal header

hmtx
horizontal metrics

loca
index to location

maxp
maximum profile

name
naming table

post
PostScript information

OS/2
OS/2 and windows specific metrics

Optional Tables
cvt
control value table

fpgm
font program; not implemented yet.

gasp
grid-fitting and scan conversion procedure (grayscale)

hdmx
horizontal device metrics

kern
kerning table

LTSH
Linear threshold table

prep
CVT program; not implemented yet

PCLT
PCL5 table

VDMX
Vertical Device Metrics table

vhea
vertical metrics header

vmtx
vertical metrics

Additional OpenType Tables
GPOS
glyph positioning table

GSUB
glyph substitution table

-g glyphnumber
If this option is specified then dump the glyph with index glyphnumber, otherwise dump all glyphs in ttfile.

-c collection
Select a TrueType font in a TrueType Collection.

-o dumpfile
Output of the dump. If this option is not specified, dump to stdout.

-i ttfile
TrueType font file to be dumped.

EXAMPLE

To dump all information in the TrueType font file times.ttf:

ttfdump times.ttf

To dump the required table cmap in the file:

ttfdump -t cmap times.ttf

To dump a single glyph with index 50:

ttfdump -g 50 times.ttf

SEE ALSO

TrueType 1.0 Font Files, Technical Specification Revision 1.66 November 1995

NOTE

Instruction disassembler in not implemented.

AUTHOR

Li-Da Lho, [email protected]

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