{"id":20719171,"url":"https://github.com/tom-weatherhead/image-processing-js","last_synced_at":"2025-07-06T18:36:35.294Z","repository":{"id":32049682,"uuid":"129982428","full_name":"tom-weatherhead/image-processing-js","owner":"tom-weatherhead","description":"A pure JavaScript raster image processing engine: Affine transformations, convolutions, compositing, etc.","archived":false,"fork":false,"pushed_at":"2023-01-06T02:17:12.000Z","size":2977,"stargazers_count":1,"open_issues_count":17,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-06-06T16:45:42.116Z","etag":null,"topics":["compositing","convolution-filter","image-processing","resampling"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/tom-weatherhead.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2018-04-18T00:52:43.000Z","updated_at":"2022-05-15T09:14:34.000Z","dependencies_parsed_at":"2023-01-14T20:24:23.405Z","dependency_job_id":null,"html_url":"https://github.com/tom-weatherhead/image-processing-js","commit_stats":null,"previous_names":[],"tags_count":4,"template":false,"template_full_name":null,"purl":"pkg:github/tom-weatherhead/image-processing-js","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tom-weatherhead%2Fimage-processing-js","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tom-weatherhead%2Fimage-processing-js/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tom-weatherhead%2Fimage-processing-js/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tom-weatherhead%2Fimage-processing-js/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/tom-weatherhead","download_url":"https://codeload.github.com/tom-weatherhead/image-processing-js/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tom-weatherhead%2Fimage-processing-js/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":263952660,"owners_count":23534952,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["compositing","convolution-filter","image-processing","resampling"],"created_at":"2024-11-17T03:16:05.919Z","updated_at":"2025-07-06T18:36:35.260Z","avatar_url":"https://github.com/tom-weatherhead.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# image-processing-js\nA pure JavaScript raster image processing engine.\n\n[![Build Status](https://secure.travis-ci.org/tom-weatherhead/image-processing-js.svg)](https://travis-ci.org/tom-weatherhead/image-processing-js)\n[![npm](https://img.shields.io/npm/v/image-processing-js.svg)](https://www.npmjs.com/package/image-processing-js)\n[![npm](https://img.shields.io/npm/dt/image-processing-js.svg)](https://www.npmjs.com/package/image-processing-js)\n[![Maintainability](https://api.codeclimate.com/v1/badges/caaec44ebfcb74999b13/maintainability)](https://codeclimate.com/github/tom-weatherhead/image-processing-js/maintainability)\n[![Known Vulnerabilities](https://snyk.io/test/github/tom-weatherhead/image-processing-js/badge.svg?targetFile=package.json\u0026package-lock.json)](https://snyk.io/test/github/tom-weatherhead/image-processing-js?targetFile=package.json\u0026package-lock.json)\n[![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/tom-weatherhead/image-processing-js/blob/master/LICENSE)\n\n## Installation\n\nClone the repository and build it:\n\n```sh\n$ git clone https://github.com/tom-weatherhead/image-processing-js.git\n$ cd image-processing-js\n$ npm run build\n```\n\nThen run an image processing command; e.g.\n\n```sh\n$ npm start -- rs\n$ npm start -- rs -sc -w 640 -h 480 -q 60\n```\n\nSupported bitmap image processing operations:\n\n```\n- Colour transformations\n- Compositing\n- Convolvutions, including Gaussian blur\n- Flip and mirror\n- Pixelate\n- Resampling: Nearest neighbour, bilinear, and bicubic\n- Rotation\n```\n\nTODO:\n\n```\n- Implement and test resampling in context\n- Test the new dividend remapping algorithm\n- Attempt to improve the performance of the arithmetic code by using integer types such as UINT16,\nand optimized operations such as (x / 256) === (x \u003e\u003e 8);\n- Add unit tests\n```\n\n## License\n[MIT](https://choosealicense.com/licenses/mit/)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftom-weatherhead%2Fimage-processing-js","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftom-weatherhead%2Fimage-processing-js","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftom-weatherhead%2Fimage-processing-js/lists"}