PDF Packet Builder

pdf-lib-LICENSE.txt
MIT License

Copyright (c) 2019 Andrew Dillon

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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SOFTWARE.


fontkit-LICENSE.txt
@pdf-lib/fontkit 1.1.1
Package license: MIT
Author: Andrew Dillon <[email protected]>

The package distributes its license declaration in README.md (no separate license file):

# Purpose of this Fork
This project is a fork of https://github.com/foliojs/fontkit created for use in https://github.com/Hopding/pdf-lib.

Listed below are changes that have been made in this fork:

* Store binary data as compressed base64 JSON so the `fs` module isn't needed to read it back:
  * [968e35c](https://github.com/Hopding/fontkit/commit/968e35c158589294e9543818f56d0b229b95a475)
  * [99a35c7](/Hopding/fontkit/commit/99a35c7b0f0f6549d7727bcbc1ddabb7f9ca19bf)
  * [2f1445d](/Hopding/fontkit/commit/2f1445d9a3f8426bc259690819eea8306a98545a)
  * [f674bf2-R24](https://github.com/Hopding/fontkit/commit/f674bf2e3c8a8e0a34083e19f0abe65df20520e3#diff-b61f8676a8a37c519e9c3c86c4676208R24), [f674bf2-R13](https://github.com/Hopding/fontkit/commit/f674bf2e3c8a8e0a34083e19f0abe65df20520e3#diff-a73febb5d14ad8d9d7ab6ac378a698aaR13)
* Rewrote `Makefile` to `Makefile.js` using `shelljs`:
  * [a246e7f](https://github.com/Hopding/fontkit/commit/a246e7fda8c0bb5df4be355a993e0ba59f07300e)
* Update to Babel 7:
  * [70049f8](https://github.com/Hopding/fontkit/commit/70049f8f038145cc0caca83c75e0b76f49d11f52)
  * [8d5b29b](https://github.com/Hopding/fontkit/commit/8d5b29bd00b752a6ab9348e6be1997e201055d31)
* Build UMD modules:
  * [cce995c](https://github.com/Hopding/fontkit/commit/cce995c3378c35b247ed2965e15eb92ffad9ea09)
  * [08cacef](https://github.com/Hopding/fontkit/commit/08cacefa3e745f83a2c95051e38985b02aa2f16d)
* Build ES modules:
  * [dbe8e9d](https://github.com/Hopding/fontkit/commit/dbe8e9da4e8f2e23f507ba5a767a8109e81fb7ab)
  * [9363d1f](https://github.com/Hopding/fontkit/commit/9363d1f8e97985d8a94ee6dac1fac39631ee3c77)
* Bundle Node dependencies (`stream`, `util`, `Buffer`) into UMD and ES modules so consumers of this lib don't have to deal with them:
  * [9363d1f](https://github.com/Hopding/fontkit/commit/9363d1f8e97985d8a94ee6dac1fac39631ee3c77)
* Accept `Uint8Array` objects for font data instead of `Buffer` objects, so consumers can stick to plain JS regardless of their environment:
  * [9363d1f-R12](https://github.com/Hopding/fontkit/commit/9363d1f8e97985d8a94ee6dac1fac39631ee3c77#diff-d7e697eff3913f1acaacac8002c3b05eR12)
* Add TypeScript declaration file:
  * [387ebc4](https://github.com/Hopding/fontkit/commit/387ebc418cc04be51d82d39e05f4db01b1bf063f)
  * [3bafdbc](https://github.com/Hopding/fontkit/commit/3bafdbc3656ebba5251f8d4dc77dcc4b6c11afa6)
  * [b0241e7](https://github.com/Hopding/fontkit/commit/b0241e7c30cdb83bda6867aa8c9229c1ab1cb8e3)
* Remove calls to `new Function()` to allow usage on CSP sites:
  * [e3dcc8a](https://github.com/Hopding/fontkit/commit/e3dcc8aad014081b8106c47d89049ba9e6f3dd48)
* Released to NPM as `@pdf-lib/fontkit`
  * [873b05d](https://github.com/Hopding/fontkit/commit/873b05d23aecb9f0142fc3ebda593fd2a7d81c17)

Also see
* https://github.com/Hopding/unicode-properties
* https://github.com/Hopding/brotli.js
* https://github.com/Hopding/restructure
* https://github.com/Hopding/png-ts

# fontkit

Fontkit is an advanced font engine for Node and the browser, used by [PDFKit](https://github.com/devongovett/pdfkit) and [`pdf-lib`](https://github.com/Hopding/pdf-lib). It supports many font formats, advanced glyph substitution and layout features, glyph path extraction, color emoji glyphs, font subsetting, and more.

## Features

* Suports TrueType (.ttf), OpenType (.otf), WOFF, WOFF2, TrueType Collection (.ttc), and Datafork TrueType (.dfont) font files
* Supports mapping characters to glyphs, including support for ligatures and other advanced substitutions (see below)
* Supports reading glyph metrics and laying out glyphs, including support for kerning and other advanced layout features (see below)
* Advanced OpenType features including glyph substitution (GSUB) and positioning (GPOS)
* Apple Advanced Typography (AAT) glyph substitution features (morx table)
* Support for getting glyph vector paths and converting them to SVG paths, or rendering them to a graphics context
* Supports TrueType (glyf) and PostScript (CFF) outlines
* Support for color glyphs (e.g. emoji), including Apple’s SBIX table, and Microsoft’s COLR table
* Support for AAT variation glyphs, allowing for nearly infinite design control over weight, width, and other axes.
* Font subsetting support - create a new font including only the specified glyphs

## Example

```js
import fontkit from '@pdf-lib/fontkit';
import fs from 'fs';

// open a font synchronously
const fontData = fs.readFileSync('font.ttf');
const font = fontkit.create(fontData);

// layout a string, using default shaping features.
// returns a GlyphRun, describing glyphs and positions.
const run = font.layout('hello world!');

// get an SVG path for a glyph
const svg = run.glyphs[0].path.toSVG();

// create a font subset
const subset = font.createSubset();
run.glyphs.forEach(function(glyph) {
  subset.includeGlyph(glyph);
});

subset.encodeStream()
      .pipe(fs.createWriteStream('subset.ttf'));
```

## Installation
### NPM Module
To install the latest stable version:
```bash
# With npm
npm install --save @pdf-lib/fontkit

# With yarn
yarn add  @pdf-lib/fontkit
```
This assumes you're using [npm](https://www.npmjs.com/) or [yarn](https://yarnpkg.com/lang/en/) as your package manager.

### UMD Module
You can also download `@pdf-lib/fontkit` as a UMD module from [unpkg](https://unpkg.com/#/). The UMD builds have been compiled to ES5, so they should work [in any modern browser](https://caniuse.com/#feat=es5). UMD builds are useful if you aren't using a package manager or module bundler. For example, you can use them directly in the `<script>` tag of an HTML page.

The following builds are available:

* https://unpkg.com/@pdf-lib/fontkit/dist/fontkit.umd.js
* https://unpkg.com/@pdf-lib/fontkit/dist/fontkit.umd.min.js

When using a UMD build, you will have access to a global `window.fontkit` variable. This variable contains the object exported by `@pdf-lib/fontkit`. For example:

```javascript
// NPM module
import fontkit from '@pdf-lib/fontkit';

// UMD module
var fontkit = window.fontkit;
```

## API

### `fontkit.create(buffer, postscriptName = null)`

Returns a font object for the given buffer. For collection fonts (such as TrueType collection files), you can pass a `postscriptName` to get that font out of the collection instead of a collection object.

## Font objects

There are several different types of font objects that are returned by fontkit depending on the font format. They all inherit from the `TTFFont` class and have the same public API, described below.

### Metadata properties

The following properties are strings (or null if the font does not contain strings for them) describing the font, as specified by the font creator.

* `postscriptName`
* `fullName`
* `familyName`
* `subfamilyName`
* `copyright`
* `version`

### Metrics

The following properties describe the general metrics of the font. See [here](http://www.freetype.org/freetype2/docs/glyphs/glyphs-3.html) for a good overview of how all of these properties relate to one another.

* `unitsPerEm` - the size of the font’s internal coordinate grid
* `ascent` - the font’s [ascender](http://en.wikipedia.org/wiki/Ascender_(typography))
* `descent` - the font’s [descender](http://en.wikipedia.org/wiki/Descender)
* `lineGap` - the amount of space that should be included between lines
* `underlinePosition` - the offset from the normal underline position that should be used
* `underlineThickness` - the weight of the underline that should be used
* `italicAngle` - if this is an italic font, the angle the cursor should be drawn at to match the font design
* `capHeight` - the height of capital letters above the baseline. See [here](http://en.wikipedia.org/wiki/Cap_height) for more details.
* `xHeight`- the height of lower case letters. See [here](http://en.wikipedia.org/wiki/X-height) for more details.
* `bbox` - the font’s bounding box, i.e. the box that encloses all glyphs in the font

### Other properties

* `numGlyphs` - the number of glyphs in the font
* `characterSet` - an array of all of the unicode code points supported by the font
* `availableFeatures` - an array of all [OpenType feature tags](https://www.microsoft.com/typography/otspec/featuretags.htm) (or mapped AAT tags) supported by the font (see below for a description of this)

### Character to glyph mapping

Fontkit includes several methods for character to glyph mapping, including support for advanced OpenType and AAT substitutions.

#### `font.glyphForCodePoint(codePoint)`

Maps a single unicode code point (number) to a Glyph object. Does not perform any advanced substitutions (there is no context to do so).

#### `font.hasGlyphForCodePoint(codePoint)`

Returns whether there is glyph in the font for the given unicode code point.

#### `font.glyphsForString(string)`

This method returns an array of Glyph objects for the given string. This is only a one-to-one mapping from characters
to glyphs. For most uses, you should use `font.layout` (described below), which provides a much more advanced mapping
supporting AAT and OpenType shaping.

### Glyph metrics and layout

Fontkit includes several methods for accessing glyph metrics and performing layout, including support for kerning and other advanced OpenType positioning adjustments.

#### `font.widthOfGlyph(glyph_id)`

Returns the advance width (described above) for a single glyph id.

#### `font.layout(string, features = [])`

This method returns a `GlyphRun` object, which includes an array of `Glyph`s and `GlyphPosition`s for the given string.
`Glyph` objects are described below. `GlyphPosition` objects include 4 properties: `xAdvance`, `yAdvance`, `xOffset`,
and `yOffset`.

The `features` parameter is an array of [OpenType feature tags](https://www.microsoft.com/typography/otspec/featuretags.htm) to be applied
in addition to the default set. If this is an AAT font, the OpenType feature tags are mapped to AAT features.

### Variation fonts

Fontkit has support for AAT variation fonts, where glyphs can adjust their shape according to user defined settings along
various axes including weight, width, and slant. Font designers specify the minimum, default, and maximum values for each
axis they support, and allow the user fine grained control over the rendered text.

#### `font.variationAxes`

Returns an object describing the available variation axes. Keys are 4 letter axis tags, and values include `name`,
`min`, `default`, and `max` properties for the axis.

#### `font.namedVariations`

The font designer may have picked out some variations that they think look particularly good, for example a light, regular,
and bold weight which would traditionally be separate fonts. This property returns an object describing these named variation
instances that the designer has specified. Keys are variation names, and values are objects with axis settings.

#### `font.getVariation(variation)`

Returns a new font object representing this variation, from which you can get glyphs and perform layout as normal.
The `variation` parameter can either be a variation settings object or a string variation name. Variation settings objects
have axis names as keys, and numbers as values (should be in the range specified by `font.variationAxes`).

### Other methods

#### `font.getGlyph(glyph_id, codePoints = [])`

Returns a glyph object for the given glyph id. You can pass the array of code points this glyph represents for your use later, and it will be stored in the glyph object.

#### `font.createSubset()`

Returns a Subset object for this font, described below.

## Font Collection objects

For font collection files that contain multiple fonts in a single file, such as TrueType Collection (.ttc) and Datafork TrueType (.dfont) files, a font collection object can be returned by Fontkit.

### `collection.getFont(postscriptName)`

Gets a font from the collection by its postscript name. Returns a Font object, described above.

### `collection.fonts`

This property is a lazily-loaded array of all of the fonts in the collection.

## Glyph objects

Glyph objects represent a glyph in the font. They have various properties for accessing metrics and the actual vector path the glyph represents, and methods for rendering the glyph to a graphics context.

You do not create glyph objects directly. They are created by various methods on the font object, described above. There are several subclasses of the base `Glyph` class internally that may be returned depending on the font format, but they all include the following API.

### Properties

* `id` - the glyph id in the font
* `codePoints` - an array of unicode code points that are represented by this glyph. There can be multiple code points in the case of ligatures and other glyphs that represent multiple visual characters.
* `path` - a vector Path object representing the glyph
* `bbox` - the glyph’s bounding box, i.e. the rectangle that encloses the glyph outline as tightly as possible.
* `cbox` - the glyph’s control box. This is often the same as the bounding box, but is faster to compute. Because of the way bezier curves are defined, some of the control points can be outside of the bounding box. Where `bbox` takes this into account, `cbox` does not. Thus, `cbox` is less accurate, but faster to compute. See [here](http://www.freetype.org/freetype2/docs/glyphs/glyphs-6.html#section-2) for a more detailed description.
* `advanceWidth` - the glyph’s advance width.

### `glyph.render(ctx, size)`

Renders the glyph to the given graphics context, at the specified font size.

### Color glyphs (e.g. emoji)

Fontkit has support for several different color emoji font formats. Currently, these include Apple’s SBIX table (as used by the “Apple Color Emoji” font), and Microsoft’s COLR table (supported by Windows 8.1). [Here](http://blog.symbolset.com/multicolor-fonts) is an overview of the various color font formats out there.

#### `glyph.getImageForSize(size)`

For SBIX glyphs, which are bitmap based, this returns an object containing some properties about the image, along with the image data itself (usually PNG).

#### `glyph.layers`

For COLR glyphs, which are vector based, this returns an array of objects representing the glyphs and colors for each layer in render order.

## Path objects

Path objects are returned by glyphs and represent the actual vector outlines for each glyph in the font. Paths can be converted to SVG path data strings, or to functions that can be applied to render the path to a graphics context.

### `path.moveTo(x, y)`

Moves the virtual pen to the given x, y coordinates.

### `path.lineTo(x, y)`

Adds a line to the path from the current point to the given x, y coordinates.

### `path.quadraticCurveTo(cpx, cpy, x, y)`

Adds a quadratic curve to the path from the current point to the given x, y coordinates using cpx, cpy as a control point.

### `path.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y)`

Adds a bezier curve to the path from the current point to the given x, y coordinates using cp1x, cp1y and cp2x, cp2y as control points.

### `path.closePath()`

Closes the current sub-path by drawing a straight line back to the starting point.

### `path.toFunction()`

Compiles the path to a JavaScript function that can be applied with a graphics context in order to render the path.

### `path.toSVG()`

Converts the path to an SVG path data string.

### `path.bbox`

This property represents the path’s bounding box, i.e. the smallest rectangle that contains the entire path shape. This is the exact bounding box, taking into account control points that may be outside the visible shape.

### `path.cbox`

This property represents the path’s control box. It is like the bounding box, but it includes all points of the path, including control points of bezier segments. It is much faster to compute than the real bounding box, but less accurate if there are control points outside of the visible shape.

## Subsets

Fontkit can perform font subsetting, i.e. the process of creating a new font from an existing font where only the specified glyphs are included. This is useful to reduce the size of large fonts, such as in PDF generation or for web use.

Currently, subsets produce minimal fonts designed for PDF embedding that may not work as standalone files. They have no cmap tables and other essential tables for standalone use. This limitation will be removed in the future.

You create a Subset object by calling `font.createSubset()`, described above. The API on Subset objects is as follows.

### `subset.includeGlyph(glyph)`

Includes the given glyph object or glyph ID in the subset.

### `subset.encodeStream()`

Returns a [stream](https://nodejs.org/api/stream.html) containing the encoded font file that can be piped to a destination, such as a file.

## License
[MIT](https://choosealicense.com/licenses/mit/)


pdfjs-LICENSE.txt

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standard-fonts-FOXIT.txt
// Copyright 2014 PDFium Authors. All rights reserved.
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standard-fonts-LIBERATION.txt
Digitized data copyright (c) 2010 Google Corporation
	with Reserved Font Arimo, Tinos and Cousine.
Copyright (c) 2012 Red Hat, Inc.
	with Reserved Font Name Liberation.

This Font Software is licensed under the SIL Open Font License,
Version 1.1.

This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL

SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007

PREAMBLE The goals of the Open Font License (OFL) are to stimulate
worldwide development of collaborative font projects, to support the font
creation efforts of academic and linguistic communities, and to provide
a free and open framework in which fonts may be shared and improved in
partnership with others.

The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves.
The fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works.  The fonts and derivatives,
however, cannot be released under any other type of license.  The
requirement for fonts to remain under this license does not apply to
any document created using the fonts or their derivatives.

 

DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such.
This may include source files, build scripts and documentation.

"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).

"Original Version" refers to the collection of Font Software components
as distributed by the Copyright Holder(s).

"Modified Version" refers to any derivative made by adding to, deleting,
or substituting ? in part or in whole ?
any of the components of the Original Version, by changing formats or
by porting the Font Software to a new environment.

"Author" refers to any designer, engineer, programmer, technical writer
or other person who contributed to the Font Software.


PERMISSION & CONDITIONS

Permission is hereby granted, free of charge, to any person obtaining a
copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:

1) Neither the Font Software nor any of its individual components,in
   Original or Modified Versions, may be sold by itself.

2) Original or Modified Versions of the Font Software may be bundled,
   redistributed and/or sold with any software, provided that each copy
   contains the above copyright notice and this license. These can be
   included either as stand-alone text files, human-readable headers or
   in the appropriate machine-readable metadata fields within text or
   binary files as long as those fields can be easily viewed by the user.

3) No Modified Version of the Font Software may use the Reserved Font
   Name(s) unless explicit written permission is granted by the
   corresponding Copyright Holder. This restriction only applies to the
   primary font name as presented to the users.

4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
   Software shall not be used to promote, endorse or advertise any
   Modified Version, except to acknowledge the contribution(s) of the
   Copyright Holder(s) and the Author(s) or with their explicit written
   permission.

5) The Font Software, modified or unmodified, in part or in whole, must
   be distributed entirely under this license, and must not be distributed
   under any other license. The requirement for fonts to remain under
   this license does not apply to any document created using the Font
   Software.


 
TERMINATION
This license becomes null and void if any of the above conditions are not met.

 

DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT.  IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER
DEALINGS IN THE FONT SOFTWARE.



NotoSans-OFL.txt
Copyright 2018 The Noto Project Authors (github.com/googlei18n/noto-fonts)

This Font Software is licensed under the SIL Open Font License,
Version 1.1.

This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL

-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------

PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font
creation efforts of academic and linguistic communities, and to
provide a free and open framework in which fonts may be shared and
improved in partnership with others.

The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply to
any document created using the fonts or their derivatives.

DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.

"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).

"Original Version" refers to the collection of Font Software
components as distributed by the Copyright Holder(s).

"Modified Version" refers to any derivative made by adding to,
deleting, or substituting -- in part or in whole -- any of the
components of the Original Version, by changing formats or by porting
the Font Software to a new environment.

"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.

PERMISSION & CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed,
modify, redistribute, and sell modified and unmodified copies of the
Font Software, subject to the following conditions:

1) Neither the Font Software nor any of its individual components, in
Original or Modified Versions, may be sold by itself.

2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.

3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the
corresponding Copyright Holder. This restriction only applies to the
primary font name as presented to the users.

4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.

5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created using
the Font Software.

TERMINATION
This license becomes null and void if any of the above conditions are
not met.

DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.