Package Exports

react-img-markup

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Readme

React Img Markup

Library for creating markup on images

Alt Text

How to use

Install package:

npm i react-img-markup

Import ImgMarkup component:

import ImgMarkup from 'react-img-markup'

Pass imgSrc prop to ImgMarkup, use children with render prop structure:

<ImgMarkup imgSrc='https://i.imgur.com/rbXZcVH.jpeg'>
  {({ activeColor, setActiveColor }) => (
    <>
      <label htmlFor="color">Color:</label>
      <select name='color' value={activeColor} onChange={(e) => setActiveColor(e.target.value)}>
        <option value='red'>red</option>
        <option value='green'>green</option>
        <option value='blue'>blue</option>
        <option value='orange'>orange</option>
      </select>
    </>
  )}
</ImgMarkup>

ImgMarkup props

imgSrc (string, required) - the src of the image you would like to add markup to.
imgStyles (obj, optional) - styles passed to the image.
onSave (func, optional) - callback invoked when image is saved. Will pass the uri as parameter: (uri) => {}.
defaultValues (obj, optional) - pass options to give ImgMarkup default state values when component mounts.
- type (string) - value for markup type. Includes: rect, ellipsis, line, arrow, and text.
- color (string) - value for markup color. Can be any CSS color name, hex, or rgba.
- strokeWidth (number) - value for markup stroke width. Accepts any numerical value.
- fontSize (number) - value for markup font size. Accepts any numerical value.
- text (string) - value for default text shown to user when text element is first created.

ImgMarkup render prop values

activeType (string) - state. The active markup type. Options are: rect, ellipsis, line, arrow, and text.
activeColor (string) - state. The markup active color state.
activeStrokeWidth (number) - state. The markup active stroke width.
activeFontSize (number) - state. The markup active stroke font size.
setActiveType (func) - sets state. will set the activeType state. Options are: rect, ellipsis, line, arrow, and text.
setActiveColor (func) - sets state. Will set activeColor state. Accepts string values.
setActiveStrokeWidth (func) - sets state. Will set activeStrokeWidth state. Accepts number values.
setActiveFontSize (func) - sets state. Will set activeFontSize state. Accepts number values.
undo (func) - will undo the last markup element the user created.
deletePath (func) - pass a path id to delete desired path: deletePath(id).
save (func) - saves the image with the markup. Will pass the uri to onSave when this function is called. Will also return uri if asynchronously await the call.
activePathId (string) - state. The id of activePath.
imgMarkupModifiers (obj) - react ref. Assign this ref to an element that wraps your modification elements to not lose the selected state when changing shape/text settings.

Contributions appreciated!

git clone
npm i
npm run start

This library was kick-started using react-npm-package-boilerplate.