ttfdump man page

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, ollie@ms1.hinet.net

Info

14 November 2011 ILX Project