This package renders teletext pages using vector graphics (SVG). * Rich API to draw text and graphics * Support for teletext level 1, 1.5 and parts of 2.5 * Scalable, high-resolution rendering Quickstart with CDN: ```html

``` For local development, install the module and import the following if you're using vite or similar tooling: ```javascript import { Teletext } from '@techandsoftware/teletext'; ``` It can also be run in nodejs, see the API. # Docs * [Full documentation](https://teletext-for-javascript-docs.robdev.org.uk/) * [Usage](https://teletext-for-javascript-docs.robdev.org.uk/teletext-usage.html) * [API](https://teletext-for-javascript-docs.robdev.org.uk/teletext-screen-api.html) * [Demos](https://teletext-for-javascript-docs.robdev.org.uk/demos/) # Local demos The `demo/` directory contains HTML pages which can be served with `npm run dev`: * [import_lib_from_dist.html](http://localhost:5173/import_lib_from_dist.html) — imports the module from `dist/` * [import_from_jsdelivr.html](http://localhost:5173/import_from_jsdelivr.html) — imports the module from the jsdelivr CDN The `demoscript/` directory contains nodejs scripts: * `teletext-to-text.js` — outputs a teletext page as plain Unicode text (no DOM required) * `teletext-to-svg.js` — outputs a teletext page as SVG (requires `jsdom`) # License The project is licensed under GNU Affero General Public License 3 [AGPL-3.0-only](https://www.gnu.org/licenses/agpl-3.0.en.html). For commercial support and integration enquiries, contact . The fonts supplied in the `demo/fonts` directory have their own licenses. See the `*.license` files in that directory. This package is compliant with [REUSE 3](https://reuse.software/). # Credits * Unscii font used for block graphics when `setView` or `enhance().putG3()` is called - http://viznut.fi/unscii/ * Native font stack adapted from Bootstrap's - https://getbootstrap.com/docs/4.5/content/reboot/#native-font-stack * The internal API used for drawing SVG is a subset of svg.js v3 - https://svgjs.dev/docs/3.0/ * Teletext test pages from https://teletextarchive.com/ * The data format for stored test pages and for the `loadPageFromEncodedString` API is from Simon Rawles' teletext editor - https://edit.tf/ * The Output Line format is taken from MRG's .tti file spec - https://zxnet.co.uk/teletext/documents/ttiformat.pdf