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

NOTE

Instruction disassembler in not implemented.

AUTHOR

Li-Da Lho, ollie@ms1.hinet.net