react-native-cameraroll/example/js/AssetScaledImageExample.js

94 lines
2.0 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow strict-local
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const {Image, StyleSheet, View, ScrollView} = ReactNative;
import type {PhotoIdentifier} from 'CameraRoll';
type Props = $ReadOnly<{|
asset: PhotoIdentifier,
|}>;
type State = {|
asset: PhotoIdentifier,
|};
class AssetScaledImageExample extends React.Component<Props, State> {
state = {
asset: this.props.asset,
};
render() {
const image = this.state.asset.node.image;
return (
<ScrollView>
<View style={styles.row}>
<Image source={image} style={styles.imageWide} />
</View>
<View style={styles.row}>
<Image source={image} style={styles.imageThumb} />
<Image source={image} style={styles.imageThumb} />
<Image source={image} style={styles.imageThumb} />
</View>
<View style={styles.row}>
<Image source={image} style={styles.imageT1} />
<Image source={image} style={styles.imageT2} />
</View>
</ScrollView>
);
}
}
const styles = StyleSheet.create({
row: {
padding: 5,
flex: 1,
flexDirection: 'row',
alignSelf: 'center',
},
imageWide: {
borderWidth: 1,
borderColor: 'black',
width: 320,
height: 240,
margin: 5,
},
imageThumb: {
borderWidth: 1,
borderColor: 'black',
width: 100,
height: 100,
margin: 5,
},
imageT1: {
borderWidth: 1,
borderColor: 'black',
width: 212,
height: 320,
margin: 5,
},
imageT2: {
borderWidth: 1,
borderColor: 'black',
width: 100,
height: 320,
margin: 5,
},
});
exports.title = '<AssetScaledImageExample>';
exports.description =
'Example component that displays the automatic scaling capabilities of the <Image /> tag';
module.exports = AssetScaledImageExample;