The otfcc is a C library and utility used for parsing and writing OpenType font files.
- JSON serialization of TrueType and CFF OpenType fonts.
- Building OpenType fonts from JSON.
- Full support for OpenType features (
GSUB,GPOSandGDEF), CID-keyed CFF, vertical metrics, and more. - 4× faster than
ttxon CFF OTF, and 40× on TTF.
otfccdump [OPTIONS] input.[otf|ttf|ttc]
-h, --help : Display this help message and exit.
-v, --version : Display version information and exit.
-o <file> : Set output file path to <file>. When absent,
the dump will be written to STDOUT.
-n <n>, --ttc-index <n> : Use the <n>th subfont within the input font.
--pretty : Prettify the output JSON.
--ugly : Force uglify the output JSON.
--time : Time each sub-step.
--glyph-name-prefix pfx : Add a prefix to the glyph names.
--ignore-glyph-order : Do not export glyph order information.
--ignore-hints : Do not export hinting information.
--add-bom : Add BOM mark in the output. (This is default
on Windows when redirecting to another program.
Use --no-bom to turn it off.)
otfccbuild [OPTIONS] [input.json] -o output.[ttf|otf]
input.json : Path to input file. When absent the input will
be read from the STDIN.
-h, --help : Display this help message and exit.
-v, --version : Display version information and exit.
-o <file> : Set output file path to <file>.
--time : Time each substep.
--ignore-glyph-order : Ignore the glyph order information in the input.
--ignore-hints : Ignore the hinting information in the input.
--keep-average-char-width : Keep the OS/2.xAvgCharWidth value from the input
instead of stating the average width of glyphs.
Useful when creating a monospaced font.
--keep-modified-time : Keep the head.modified time in the json, instead
of using current time.
--short-post : Don't export glyph names in the result font. It
will reduce file size.
--dummy-DSIG : Include an empty DSIG table in the font. For
some Microsoft applications, a DSIG is required
to enable OpenType features.
--ship : Equivalent to the combination of these options:
* --ignore-glyph-order
* --short-post
* --dummy-dsig
otfcc can be built on a number of platforms. It uses the premake build system.
It was developed and optimized for Clang/LLVM, therefore it is strongly recommended to compile with Clang/LLVM, but if that's not possible GCC is also supported, GCC version 5.1 or later being the preferred choice for performance.
On Linux, Either Clang/LLVM or GCC can be used to build otfcc.
- Install the latest Clang/LLVM or GCC if you do not have it already.
- Download and install premake5 for Linux and make it available in your path.
- Run the following from the command line:
premake5 gmake
cd build/gmake
makeOn Windows building otfcc is tested under the toolchains listed below. The default premake5 vs2015 will produce a Visual Studio solution using Clang-CL as its compiler.
-
GCC 5.1 included in
TDM-GCC. Run the following from the command line:premake5 gmake cd build/gmake make -
Visual C++ Building Tools (Mar 2016) with Clang/LLVM 3.8. Only Release build is tested. Run the following from the Visual C++ Command Prompt:
premake5 vs2015 msbuild build\vs\otfcc.sln /property:Configuration=Release