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React Native Cropping Components

This library provides two components CroppingView and CroppedImage that allow you to crop views and to provide cropped images.

Installation

npm install react-native-cropping --save

Obligatory Demo

CroppingView

Cropping view crops the child elements. It takes four props:

Property	Description
`cropTop`	The cropping top coordinate
`cropLeft`	The cropping left coordinate
`width`	The width of the cropped area
`height`	The height of the cropped area

The width of the CroppingView is the width plus the cropLeft. And the height is the height put the cropTop value.

In the demo the size of CroppingView when cropped is this:

The can be animated as shown in the example using AnimatedLayout.

Here is a code sample:

<CroppingView
  cropTop={50}
  cropLeft={50}
  width={200}
  height={300}
  style={{
    borderRadius: 5
  }}>
  <Image
    source={require('image!alien')}
    style={{
      width: 350,
      height: 526
    }}
    resizeMode="contain" />
</CroppingView>

CroppedImage

Cropped image crops an image. It takes these props:

Property	Description
`cropTop`	The cropping top coordinate
`cropLeft`	The cropping left coordinate
`cropWidth`	The width of the cropped area
`cropHeight`	The height of the cropped area
`source`	The source of the image
`resizeMode`	The image resize mode
`width`	The image height
`height`	The image width

The resultant image is sized to the cropWidth and cropHeight.

In the example the image is sized to the cropping area.

Here is a pretty simple example:

<CroppedImage
  source={require('image!alien')}
  cropTop={110}
  cropLeft={75}
  cropWidth={190}
  cropHeight={250}
  width={350}
  height={526}
  resizeMode="contain" />

Example Code

There is some sample code provided.

walmartlabs / react-native-cropping