Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'expo-image-manipulator' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
dispatch({
type: types.SAVING_PHOTO,
uri: uri
})
const id = getRandomId()
const directoryPath = `${RNFetchBlob.fs.dirs.DocumentDir}/photos`
const path = `${RNFetchBlob.fs.dirs.DocumentDir}/photos/${id}.jpg`
try {
await RNFetchBlob.fs.mkdir(directoryPath)
} catch (error) {
if (!error.message.endsWith('already exists')) {
console.log('directory create failed', error)
}
}
try {
let manipulatedImage = await ImageManipulator.manipulateAsync(uri, [
// FIXME: figure out a resizing strategy once API is hooked up
// { resize: { width: 540, height: 780 } }
], { base64: true, compress: 0.2 })
await RNFetchBlob.fs.createFile(path, manipulatedImage.uri.replace('file://', ''), 'uri')
const photo = {
'id': id,
'path': path,
'location': location,
'description': description || null,
'status': 'pending',
'featureId': featureId || null,
'errors': [],
'base64': manipulatedImage.base64
}
dispatch(savedPhoto(photo))
rotate = async (uri, width2, height2) => {
const { saveOptions } = this.props
const manipResult = await ImageManipulator.manipulateAsync(uri, [{
rotate: -90,
}, {
resize: {
width: this.trueWidth || width2,
// height: this.trueHeight || height2,
},
}], saveOptions)
return manipResult
}
export default ImgManipulator
ImgManipulator.defaultProps = {
onPictureChoosed: ({ uri, base64 }) => console.log('URI:', uri, base64),
btnTexts: {
crop: 'Crop',
rotate: 'Rotate',
done: 'Done',
processing: 'Processing',
},
dragVelocity: 100,
resizeVelocity: 50,
saveOptions: {
compress: 1,
format: ImageManipulator.SaveFormat.PNG,
base64: false,
},
}
ImgManipulator.propTypes = {
isVisible: PropTypes.bool.isRequired,
onPictureChoosed: PropTypes.func,
btnTexts: PropTypes.object,
saveOptions: PropTypes.object,
photo: PropTypes.object.isRequired,
onToggleModal: PropTypes.func.isRequired,
dragVelocity: PropTypes.number,
resizeVelocity: PropTypes.number,
}
_manipulate = async (actions: ImageManipulator.Action[], saveOptions?: ImageManipulator.SaveOptions) => {
const manipResult = await ImageManipulator.manipulateAsync(
(this.state.image! as Asset).localUri || this.state.image!.uri,
actions,
saveOptions
);
this.setState({ image: manipResult });
}
}
const onSave = useCallback(async () => {
if (state.input.date) {
const check = (props.calendars || []).find(
calendar => calendar.date === state.input.date
);
if (check) {
Alert.alert('同じ日にスケジュールが既に登録されています');
return;
}
}
let image = '';
if (state.image) {
const manipResult = await ImageManipulator.manipulateAsync(
state.image,
[{ rotate: 0 }, { flip: ImageManipulator.FlipType.Vertical }],
{ compress: 1, format: ImageManipulator.SaveFormat.PNG, base64: true }
);
image = manipResult.base64 || '';
}
db.transaction((tx: SQLite.Transaction) => {
const item: Item = {
title: state.input.title,
kind: state.kind || getKind(state.input.title),
image,
};
insertItem(tx, item, save);
async onConvertImageToEditableSize() {
const { photo: { uri: rawUri } } = this.props
const { uri } = await ImageManipulator.manipulateAsync(rawUri,
[
{
resize: {
width: 1080,
},
},
])
this.setState({
uri,
})
}
onPress={() => this._flip(ImageManipulator.FlipType.Horizontal)}
>
onPress={() => this._flip(ImageManipulator.FlipType.Vertical)}
>
if (state.input.date) {
const check = (props.calendars || []).find(
calendar => calendar.date === state.input.date
);
if (check) {
Alert.alert('同じ日にスケジュールが既に登録されています');
return;
}
}
let image = '';
if (state.image) {
const manipResult = await ImageManipulator.manipulateAsync(
state.image,
[{ rotate: 0 }, { flip: ImageManipulator.FlipType.Vertical }],
{ compress: 1, format: ImageManipulator.SaveFormat.PNG, base64: true }
);
image = manipResult.base64 || '';
}
db.transaction((tx: SQLite.Transaction) => {
const item: Item = {
title: state.input.title,
kind: state.kind || getKind(state.input.title),
image,
};
insertItem(tx, item, save);
});
}, [
const check = (props.calendars || []).find(
calendar => calendar.date === state.input.date
);
if (check) {
Alert.alert('同じ日にスケジュールが既に登録されています');
return;
}
}
let image = '';
if (state.image) {
const manipResult = await ImageManipulator.manipulateAsync(
state.image,
[{ rotate: 0 }, { flip: ImageManipulator.FlipType.Vertical }],
{ compress: 1, format: ImageManipulator.SaveFormat.PNG, base64: true }
);
image = manipResult.base64 || '';
}
db.transaction((tx: SQLite.Transaction) => {
const item: Item = {
title: state.input.title,
kind: state.kind || getKind(state.input.title),
image,
};
insertItem(tx, item, save);
});
}, [
props.calendars,