anil.recoil.org
Generate srcset images for a variety of resolutions from OCaml
meta
+54
.tangled/workflows/build.yml
+54
.tangled/workflows/build.yml
···
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when:
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- event: ["push", "pull_request"]
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branch: ["main"]
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engine: nixery
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dependencies:
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nixpkgs:
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- shell
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- stdenv
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- findutils
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- binutils
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- libunwind
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- ncurses
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- opam
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- git
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- gawk
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- gnupatch
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- gnum4
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- gnumake
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- gnutar
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- gnused
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- gnugrep
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- diffutils
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- gzip
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- bzip2
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- gcc
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- ocaml
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- pkg-config
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- imagemagick
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steps:
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- name: opam
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command: |
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opam init --disable-sandboxing -a -y
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- name: repo
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command: |
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opam repo add aoah https://tangled.org/anil.recoil.org/aoah-opam-repo.git
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- name: switch
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command: |
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opam install . --confirm-level=unsafe-yes --deps-only
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- name: build
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command: |
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opam exec -- dune build
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- name: switch-test
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command: |
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opam install . --confirm-level=unsafe-yes --deps-only --with-test
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- name: test
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command: |
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opam exec -- dune runtest --verbose
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- name: doc
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command: |
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opam install -y odoc
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opam exec -- dune build @doc
+10
CHANGES.md
+10
CHANGES.md
···
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## v0.1.0 (2026-01-16)
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Initial release.
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- Core `srcsetter` library for managing responsive image metadata with JSON serialization
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- `srcsetter-cmd` CLI tool for batch processing images into responsive WebP variants
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- Support for multiple input formats: PNG, WebP, JPEG, JPG, BMP, HEIC, GIF, PDF
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- Parallel image processing using Eio fibers
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- Generates responsive images at standard breakpoints (320-3840px)
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- Outputs `index.json` manifest with image dimensions and variants
+15
-4
dune-project
+15
-4
dune-project
···
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(generate_opam_files true)
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(source (github avsm/srcsetter))
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(license ISC)
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(authors "Anil Madhavapeddy")
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(maintainers "anil@recoil.org")
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(maintainers "Anil Madhavapeddy <anil@recoil.org>")
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(homepage "https://tangled.org/@anil.recoil.org/srcsetter")
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(bug_reports "https://tangled.org/@anil.recoil.org/srcsetter/issues")
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(package
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(name srcsetter)
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(description "Srcsetter is a library that allows for handling a directory of responsive images suitable for embedding as `<img srcset` tags in a website. It uses the ImageMagick CLI tool to handle the actual processing of images, and the `srcsetter-cmd` package to generate the input to this library.")
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(synopsis "Image srcset library for webp images")
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(depends jsont bytesrw))
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(depends
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(ocaml (>= 5.1))
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jsont
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bytesrw))
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(package
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(name srcsetter-cmd)
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(synopsis "Image processing tool to generate responsive images")
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(description "Srcsetter is a CLI tool that processes a directory of images and outputs a directory of responsive images suitable for embedding as `<img srcset` tags in a website. It uses the ImageMagick CLI tool to handle the actual processing of images.")
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(depends srcsetter fpath progress cmdliner eio eio_main))
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(depends
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(ocaml (>= 5.1))
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srcsetter
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fpath
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progress
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+
cmdliner
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eio
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eio_main))
+14
-4
srcsetter-cmd.opam
+14
-4
srcsetter-cmd.opam
···
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3
synopsis: "Image processing tool to generate responsive images"
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description:
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"Srcsetter is a CLI tool that processes a directory of images and outputs a directory of responsive images suitable for embedding as `<img srcset` tags in a website. It uses the ImageMagick CLI tool to handle the actual processing of images."
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maintainer: ["anil@recoil.org"]
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+
maintainer: ["Anil Madhavapeddy <anil@recoil.org>"]
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authors: ["Anil Madhavapeddy"]
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license: "ISC"
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homepage: "https://github.com/avsm/srcsetter"
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bug-reports: "https://github.com/avsm/srcsetter/issues"
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+
homepage: "https://tangled.org/@anil.recoil.org/srcsetter"
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+
bug-reports: "https://tangled.org/@anil.recoil.org/srcsetter/issues"
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depends: [
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"dune" {>= "3.17"}
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+
"ocaml" {>= "5.1"}
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"srcsetter"
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"fpath"
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"progress"
···
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"@doc" {with-doc}
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]
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]
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dev-repo: "git+https://github.com/avsm/srcsetter.git"
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depexts: [
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["imagemagick"] {os-distribution = "homebrew"}
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["imagemagick"] {os-family = "debian"}
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+
["imagemagick"] {os-family = "fedora"}
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+
["imagemagick"] {os-family = "arch"}
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["imagemagick"] {os-family = "alpine"}
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+
]
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post-messages: [
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"This package requires ImageMagick to be installed for image processing."
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+
]
+10
srcsetter-cmd.opam.template
+10
srcsetter-cmd.opam.template
···
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+
depexts: [
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+
["imagemagick"] {os-distribution = "homebrew"}
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+
["imagemagick"] {os-family = "debian"}
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+
["imagemagick"] {os-family = "fedora"}
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+
["imagemagick"] {os-family = "arch"}
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+
["imagemagick"] {os-family = "alpine"}
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+
]
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+
post-messages: [
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+
"This package requires ImageMagick to be installed for image processing."
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+
]
+4
-4
srcsetter.opam
+4
-4
srcsetter.opam
···
3
3
synopsis: "Image srcset library for webp images"
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4
description:
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"Srcsetter is a library that allows for handling a directory of responsive images suitable for embedding as `<img srcset` tags in a website. It uses the ImageMagick CLI tool to handle the actual processing of images, and the `srcsetter-cmd` package to generate the input to this library."
6
-
maintainer: ["anil@recoil.org"]
6
+
maintainer: ["Anil Madhavapeddy <anil@recoil.org>"]
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authors: ["Anil Madhavapeddy"]
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8
license: "ISC"
9
-
homepage: "https://github.com/avsm/srcsetter"
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-
bug-reports: "https://github.com/avsm/srcsetter/issues"
9
+
homepage: "https://tangled.org/@anil.recoil.org/srcsetter"
10
+
bug-reports: "https://tangled.org/@anil.recoil.org/srcsetter/issues"
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11
depends: [
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"dune" {>= "3.17"}
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+
"ocaml" {>= "5.1"}
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"jsont"
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"bytesrw"
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"odoc" {with-doc}
···
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"@doc" {with-doc}
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]
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]
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-
dev-repo: "git+https://github.com/avsm/srcsetter.git"