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path: root/src/view/com/modals/CropImage.web.tsx
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import React from 'react'
import {StyleSheet, TouchableOpacity, View} from 'react-native'
import {Image as RNImage} from 'react-native-image-crop-picker'
import {manipulateAsync, SaveFormat} from 'expo-image-manipulator'
import {LinearGradient} from 'expo-linear-gradient'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import ReactCrop, {PercentCrop} from 'react-image-crop'

import {usePalette} from '#/lib/hooks/usePalette'
import {useWebMediaQueries} from '#/lib/hooks/useWebMediaQueries'
import {getDataUriSize} from '#/lib/media/util'
import {gradients, s} from '#/lib/styles'
import {useModalControls} from '#/state/modals'
import {Text} from '#/view/com/util/text/Text'

export const snapPoints = ['0%']

export function Component({
  uri,
  aspect,
  circular,
  onSelect,
}: {
  uri: string
  aspect?: number
  circular?: boolean
  onSelect: (img?: RNImage) => void
}) {
  const pal = usePalette('default')
  const {_} = useLingui()

  const {closeModal} = useModalControls()
  const {isMobile} = useWebMediaQueries()

  const imageRef = React.useRef<HTMLImageElement>(null)
  const [crop, setCrop] = React.useState<PercentCrop>()

  const isEmpty = !crop || (crop.width || crop.height) === 0

  const onPressCancel = () => {
    onSelect(undefined)
    closeModal()
  }
  const onPressDone = async () => {
    const img = imageRef.current!

    const result = await manipulateAsync(
      uri,
      isEmpty
        ? []
        : [
            {
              crop: {
                originX: (crop.x * img.naturalWidth) / 100,
                originY: (crop.y * img.naturalHeight) / 100,
                width: (crop.width * img.naturalWidth) / 100,
                height: (crop.height * img.naturalHeight) / 100,
              },
            },
          ],
      {
        base64: true,
        format: SaveFormat.JPEG,
      },
    )

    onSelect({
      path: result.uri,
      mime: 'image/jpeg',
      size: result.base64 !== undefined ? getDataUriSize(result.base64) : 0,
      width: result.width,
      height: result.height,
    })

    closeModal()
  }

  return (
    <View>
      <View style={[styles.cropper, pal.borderDark]}>
        <ReactCrop
          aspect={aspect}
          crop={crop}
          onChange={(_pixelCrop, percentCrop) => setCrop(percentCrop)}
          circularCrop={circular}>
          <img ref={imageRef} src={uri} style={{maxHeight: '75vh'}} />
        </ReactCrop>
      </View>
      <View style={[styles.btns, isMobile && {paddingHorizontal: 16}]}>
        <TouchableOpacity
          onPress={onPressCancel}
          accessibilityRole="button"
          accessibilityLabel={_(msg`Cancel image crop`)}
          accessibilityHint={_(msg`Exits image cropping process`)}>
          <Text type="xl" style={pal.link}>
            <Trans>Cancel</Trans>
          </Text>
        </TouchableOpacity>
        <View style={s.flex1} />
        <TouchableOpacity
          onPress={onPressDone}
          accessibilityRole="button"
          accessibilityLabel={_(msg`Save image crop`)}
          accessibilityHint={_(msg`Saves image crop settings`)}>
          <LinearGradient
            colors={[gradients.blueLight.start, gradients.blueLight.end]}
            start={{x: 0, y: 0}}
            end={{x: 1, y: 1}}
            style={[styles.btn]}>
            <Text type="xl-medium" style={s.white}>
              <Trans>Done</Trans>
            </Text>
          </LinearGradient>
        </TouchableOpacity>
      </View>
    </View>
  )
}

const styles = StyleSheet.create({
  cropper: {
    marginLeft: 'auto',
    marginRight: 'auto',
    borderWidth: 1,
    borderRadius: 4,
    overflow: 'hidden',
    alignItems: 'center',
  },
  ctrls: {
    flexDirection: 'row',
    alignItems: 'center',
    marginTop: 10,
  },
  btns: {
    flexDirection: 'row',
    alignItems: 'center',
    marginTop: 10,
  },
  btn: {
    borderRadius: 4,
    paddingVertical: 8,
    paddingHorizontal: 24,
  },
})