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@koddsson koddsson released this 16 Aug 08:00
3.0.4
173b0f7
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Learn about vigilant mode.

<image-crop-element>

This loads an image and creates a crop area that user can modify. An event is fired with x, y, width, and height as the crop area changes.

Installation

$ npm install --save @github/image-crop-element

Usage

Plain

<image-crop src="/avatar.jpg"></image-crop>

With loading state

<image-crop src="/avatar.jpg">
  <img src="spinner.gif" alt="" data-loading-slot>
</image-crop>

With autoupdate inputs

<image-crop src="/avatar.jpg">
  <input type="hidden" data-image-crop-input="x" name="x">
  <input type="hidden" data-image-crop-input="y" name="y">
  <input type="hidden" data-image-crop-input="width" name="width">
  <input type="hidden" data-image-crop-input="height" name="height">
</image-crop>

Listen to the change event

document.addEventListener('image-crop-change', function (event){
  console.log(
    'Crop area changed.',
    event.detail.x,
    event.detail.y,
    event.detail.width,
    event.detail.height
  )
})

Browser support

Browsers without native custom element support require a polyfill. Legacy browsers require various other polyfills. See examples/index.html for details.

  • Chrome
  • Firefox
  • Safari
  • Microsoft Edge
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