macOS
Homebrewvérifié · 100%
brew install leptonicalocal Homebrew formula metadata
MacPortsvérifié · 94%
sudo port install leptonicaMacPorts ports tree · graphics/leptonica/Portfile · Source: api.github.com
brew
Installer leptonica avec Homebrew, apk, dnf, MacPorts, Nix, pacman, zypper
Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de leptonica pour les workflows d'agents IA.
installation
Commandes d'installation supplémentaires
Linux
Alpine Linux apkvérifié · 92%
sudo apk add leptonicaAlpine Linux edge package indexes · leptonica · Source: dl-cdn.alpinelinux.org
Fedora dnfvérifié · 92%
sudo dnf install leptonicaFedora Rawhide package metadata · leptonica · Source: dl.fedoraproject.org
Nixvérifié · 92%
nix profile install nixpkgs#leptonicanixpkgs package indexes · pkgs/by-name/le/leptonica/package.nix · Source: api.github.com
Arch Linux pacmanvérifié · 92%
sudo pacman -S leptonicaArch Linux sync databases · leptonica · Source: geo.mirror.pkgbuild.com
openSUSE zyppervérifié · 92%
sudo zypper install leptonica-developenSUSE Tumbleweed package metadata · leptonica-devel · Source: download.opensuse.org
aperçu
Résumé du paquet
Image processing and image analysis library
Liens du projet
Commandes et alias
- convertfilestopdf
- convertfilestops
- convertformat
- convertsegfilestopdf
- convertsegfilestops
- converttopdf
- converttops
- fileinfo
- imagetops
- xtractprotos
historique
Historique du projet et usages
Leptonica is Dan Bloomberg's open source C library for image processing and image analysis, with especially deep coverage of document-image operations used by OCR and page-processing tools.
Historique du projet
Leptonica's official README metadata dates the work to 2001 and describes it as an open source C library for efficient image processing and image analysis. The project site emphasizes a pedagogical style: the code is accompanied by web pages explaining algorithms and design methods.
The library grew into a broad C toolkit covering raster operations, affine and projective transforms, morphology, convolution, connected components, image format I/O, PDF and PostScript generation, document cleanup, skew detection, dewarping, barcode experiments, and many supporting data structures.
Historique d'adoption
Leptonica became important infrastructure below OCR and document-image projects. Its README lists Tesseract OCR, OpenCV, and jbig2enc among open source projects that use it.
The project's packaging history reflects a classic C-library role: distributions ship the library, headers, command-line utilities, and example programs so higher-level tools can depend on a stable native image-processing base.
Modes d'utilisation
Developers link against liblept and use the pix-centered API for reading, transforming, analyzing, and writing images. The package also includes command-line programs such as file conversion and PDF/PostScript helpers that expose common library workflows.
Pourquoi les passionnés de paquets s'y intéressent
Leptonica is significant because it is one of those quiet dependency packages that makes OCR stacks work. It is small enough to feel like a C utility library, but large enough to cover thousands of image-processing functions and the boring portability details that downstream packages need.
Chronologie
- 2001: Official metadata identifies Leptonica as an open source C library for image processing and image analysis.
- 2010s: Leptonica moved into GitHub-based maintenance, with contributors preserving old distributions and modernizing build support.
- 2024: Version 1.85.0 added PDF rendering support and many maintenance fixes.
- 2025: Version 1.87.0 was distributed on December 24, 2025.
Related projects
- Tesseract OCR is a major downstream user.
- OpenCV and jbig2enc are listed by Leptonica as open source projects using the library.
Sources
posture de sécurité
Niveau de risque : blue
broad file, network, media, or database tool signal.
Classificateur de risque
risque blue · confiance moyen · tool
Pourquoi
- broad file, network, media, or database tool signal
Signaux
- text:image
Comportement d'installation
- Aucun hook post-install Homebrew n’est enregistré dans les métadonnées de formule.
- Les métadonnées de bottle Homebrew sont disponibles pour 6 plateformes.
- S’installe avec 6 dépendances d’exécution.
- Les métadonnées de compilation listent 1 dépendances de compilation.
Revue recommandée
Avant une utilisation sans surveillance par un agent, vérifiez si l'outil lit des identifiants en clair, écrit un état distant, publie des artefacts ou lance des plugins.
exécutables
Exécutables installés
| Commande | Type | Exposition | Note |
|---|---|---|---|
convertfilestopdf | cli | exécutable global | |
convertfilestops | cli | exécutable global | |
convertformat | cli | exécutable global | |
convertsegfilestopdf | cli | exécutable global | |
convertsegfilestops | cli | exécutable global | |
converttopdf | cli | exécutable global | |
converttops | cli | exécutable global | |
fileinfo | cli | exécutable global | |
imagetops | cli | exécutable global | |
xtractprotos | cli | exécutable global |
fraîcheur
Version et fraîcheur
Ces signaux séparent l'âge de génération de la page, l'activité du gestionnaire de paquets et la comparaison avec les versions amont. Un retard de version n'est signalé que lorsqu'une URL de preuve et des versions comparables sont présentes.
page générée2026-07-10
version du gestionnaire1.87.0
gestionnaire mis à jour
données localesOK
amontnot checked
dernière version détectéenon détecté
https://github.com/DanBloomberg/leptonica
- infoNo package-manager update timestamp was available.confiance faible
- infoNo cached GitHub release or tag data was available.https://github.com/DanBloomberg/leptonicaconfiance none
métadonnées d'installation
Métadonnées du paquet
| Clé du paquet | brew:leptonica |
|---|---|
| Version | 1.87.0 |
| Gestionnaire de paquets | Homebrew |
| Page du gestionnaire de paquets | https://formulae.brew.sh/formula/leptonica |
| Page d'accueil | http://www.leptonica.org/ |
| Dépôt | https://github.com/DanBloomberg/leptonica |
| Docs amont | https://www.leptonica.org/ |
| Licence | BSD-2-Clause |
| Archive source | https://github.com/DanBloomberg/leptonica/releases/download/1.87.0/leptonica-1.87.0.tar.gz |
| Dépendances | giflib, jpeg-turbo, libpng, libtiff, openjpeg, webp |
| Dépendances de compilation | pkgconf |
| Bouteille | disponible (sur arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| post-install Homebrew | non défini |
| Service | aucun déclaré |
faits du registre
Détails de la base source
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | leptonica |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
correspondances dans les bases sources
Autres enregistrements de gestionnaires de paquets
Les correspondances proviennent d’index externes de gestionnaires de paquets et restent séparées des liens de paquets Automic Vault locaux.
Nix95%
leptonica
nix profile install nixpkgs#leptonica- normalized package name match
- Correspondance par : Leptonica
apk95%
leptonica 1.87.0-r0
Software that is broadly useful for image processing and image analysis applications
sudo apk add leptonica- License: custom
- Architecture: x86_64
- Source Package: leptonica
- 1 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Leptonica
apk95%
leptonica-dev 1.87.0-r0
Software that is broadly useful for image processing and image analysis applications (development files)
sudo apk add leptonica-dev- License: custom
- Architecture: x86_64
- Source Package: leptonica
- 1 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Leptonica
apk95%
leptonica-doc 1.87.0-r0
Software that is broadly useful for image processing and image analysis applications (documentation)
sudo apk add leptonica-doc- License: custom
- Architecture: x86_64
- Source Package: leptonica
- normalized package name match
- Correspondance par : Leptonica
dnf95%
leptonica 1.87.0-4.fc45
C library for efficient image processing and image analysis operations
https://github.com/danbloomberg/leptonica
sudo dnf install leptonica- License: Leptonica
- Category: Unspecified
- Architecture: i686
- Source Package: leptonica
- 10 Dépendances
- 2 fournit
- normalized package name match
- Correspondance par : Leptonica
dnf95%
leptonica-devel 1.87.0-4.fc45
Development files for leptonica
https://github.com/danbloomberg/leptonica
sudo dnf install leptonica-devel- License: Leptonica
- Category: Unspecified
- Architecture: i686
- Source Package: leptonica
- 5 Dépendances
- 3 fournit
- normalized package name match
- Correspondance par : Leptonica
dnf95%
leptonica-tools 1.87.0-4.fc45
Leptonica utility tools
https://github.com/danbloomberg/leptonica
sudo dnf install leptonica-tools- License: Leptonica
- Category: Unspecified
- Architecture: x86_64
- Source Package: leptonica
- 4 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Leptonica
dnf95%
mingw32-leptonica 1.87.0-4.fc45
MinGW Windows Leptonica library
https://github.com/danbloomberg/leptonica
sudo dnf install mingw32-leptonica- License: Leptonica
- Category: Unspecified
- Architecture: noarch
- Source Package: leptonica
- 4 Dépendances
- 3 fournit
- normalized package name match
- Correspondance par : Leptonica
dnf95%
mingw64-leptonica 1.87.0-4.fc45
MinGW Windows Leptonica library
https://github.com/danbloomberg/leptonica
sudo dnf install mingw64-leptonica- License: Leptonica
- Category: Unspecified
- Architecture: noarch
- Source Package: leptonica
- 4 Dépendances
- 3 fournit
- normalized package name match
- Correspondance par : Leptonica
pacman95%
leptonica 1.87.0-1
Software that is broadly useful for image processing and image analysis applications
sudo pacman -S leptonica- License: custom
- Architecture: x86_64
- 15 Dépendances
- normalized package name match
- Correspondance par : Leptonica
zypper95%
leptonica-devel 1.87.0-1.4
Leptonica Development Files
sudo zypper install leptonica-devel- License: BSD-2-Clause
- Category: Development/Libraries/C and C++
- Architecture: x86_64
- Source Package: leptonica
- 2 Dépendances
- 4 fournit
- normalized package name match
- Correspondance par : Leptonica
zypper95%
leptonica-tools 1.87.0-1.4
Leptonica tools
sudo zypper install leptonica-tools- License: BSD-2-Clause
- Category: Productivity/Graphics/Other
- Architecture: x86_64
- Source Package: leptonica
- 2 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Leptonica
zypper95%
libleptonica6 1.87.0-1.4
Library for image processing and image analysis applications
sudo zypper install libleptonica6- License: BSD-2-Clause
- Category: System/Libraries
- Architecture: x86_64
- Source Package: leptonica
- 11 Dépendances
- 3 fournit
- normalized package name match
- Correspondance par : Leptonica
MacPorts95%
leptonica
sudo port install leptonica- normalized package name match
- Correspondance par : Leptonica
Nix92%
fileinfo
nix profile install nixpkgs#fileinfo- installed executable or alias match
- Correspondance par : Fileinfo
piste source
Généré depuis les données du dépôt
Cette page est servie par av-web depuis l'artéfact SQLite privé des paquets généré par scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Sources utilisées
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment