# t1lib を Homebrew, dnf, MacPorts でインストール

t1lib のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:t1lib
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install t1lib
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install t1lib
```

  証拠: MacPorts ports tree: devel/t1lib/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- dnf (92%):

```sh
sudo dnf install t1lib
```

  証拠: Fedora Rawhide package metadata: t1lib from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

## パッケージ情報

- **パッケージキー:** brew:t1lib
- **パッケージマネージャ:** Homebrew
- **バージョン:** 5.1.2
- **ソース概要:** C library to generate/rasterize bitmaps from Type 1 fonts
- **ホームページ:** <https://www.t1lib.org/>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- type1afm (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 5.1.2
## プロジェクトの歴史と使われ方

t1lib is a C library for generating and rasterizing bitmaps from Adobe Type 1 fonts, remembered mostly as a small legacy graphics/font dependency rather than as a modern user-facing application.

### プロジェクトの歴史

The official t1lib homepage describes the library as open source software developed by Rainer Menzner. It says the implementation is written in C and is based on IBM-donated X11 rasterizer code, while being independent of X11 or any other graphical user interface.

### 採用の歴史

The official page presents t1lib in the context of classic Unix web and graphics stacks, especially adding Type 1 text to images with gd, Apache, and PHP. The Homebrew metadata in the input also records package-manager availability in Homebrew, Fedora/dnf, and MacPorts, which points to its role as a compatibility package for older software.

### 使われ方

Its command-line surface is small; the Homebrew input lists type1afm as the packaged executable. The main audience is C software that needs Type 1 font rasterization or metric extraction rather than people invoking a rich CLI directly.

### パッケージ好きにとっての重要性

Package maintainers care about t1lib because it is the kind of old graphics dependency that keeps historical build graphs working: small, C-based, archive-distributed, and tied to Type 1 fonts, X11-era rasterization, gd, and PHP image workflows.

### タイムライン

- Pre-2000s: t1lib was developed by Rainer Menzner from IBM-donated X11 rasterizer code.
- 2001: The official homepage pointed PHP users to image text examples using t1lib.
- 2026: Homebrew still packages t1lib 5.1.2 from an ibiblio source archive.

### Related projects

- The official homepage names gd, PHP, Apache, FreeType 2, and ImageMagick as adjacent projects or alternatives in image and font rendering workflows.

### ソース

- <https://formulae.brew.sh/formula/t1lib>
- <https://www.t1lib.org/>
- input.source_facts.description
- input.source_facts.package-manager


## セキュリティノート

library-like package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- library-like package without higher-risk signals

## 他のパッケージマネージャ記録

- dnf - t1lib - 5.1.2-44.fc45: normalized package name match | Fedora Rawhide package metadata: t1lib from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | PostScript Type 1 font rasterizer | ftp://sunsite.unc.edu/pub/Linux/libs/graphics/t1lib-5.1.2.lsm
- dnf - t1lib-apps - 5.1.2-44.fc45: normalized package name match | Fedora Rawhide package metadata: t1lib-apps from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | t1lib demo applications | ftp://sunsite.unc.edu/pub/Linux/libs/graphics/t1lib-5.1.2.lsm
- dnf - t1lib-devel - 5.1.2-44.fc45: normalized package name match | Fedora Rawhide package metadata: t1lib-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Header files and development files for t1lib | ftp://sunsite.unc.edu/pub/Linux/libs/graphics/t1lib-5.1.2.lsm
- dnf - t1lib-static - 5.1.2-44.fc45: normalized package name match | Fedora Rawhide package metadata: t1lib-static from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Static libraries for t1lib | ftp://sunsite.unc.edu/pub/Linux/libs/graphics/t1lib-5.1.2.lsm
- MacPorts - t1lib: normalized package name match | MacPorts ports tree: devel/t1lib/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/t1lib.yml](https://github.com/mxcl/pkgdb/blob/main/combined/t1lib.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph