react-native/RNTester/js/BoxShadowExample.js

102 lines
2.2 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
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const {Image, StyleSheet, View} = ReactNative;
const styles = StyleSheet.create({
box: {
width: 100,
height: 100,
borderWidth: 2,
},
shadow1: {
shadowOpacity: 0.5,
shadowRadius: 3,
shadowOffset: {width: 2, height: 2},
},
shadow2: {
shadowOpacity: 1.0,
shadowColor: 'red',
shadowRadius: 0,
shadowOffset: {width: 3, height: 3},
},
shadowShaped: {
borderRadius: 50,
},
shadowImage: {
borderWidth: 0,
overflow: 'visible',
},
shadowChild: {
backgroundColor: 'transparent',
},
shadowChildBox: {
width: 80,
height: 80,
borderRadius: 40,
margin: 8,
backgroundColor: 'red',
},
});
exports.title = 'Box Shadow';
exports.description =
'Demonstrates some of the shadow styles available to Views.';
exports.examples = [
{
title: 'Basic shadow',
description: 'shadowOpacity: 0.5, shadowOffset: {2, 2}',
render() {
return <View style={[styles.box, styles.shadow1]} />;
},
},
{
title: 'Colored shadow',
description: "shadowColor: 'red', shadowRadius: 0",
render() {
return <View style={[styles.box, styles.shadow2]} />;
},
},
{
title: 'Shaped shadow',
description: 'borderRadius: 50',
render() {
return <View style={[styles.box, styles.shadow1, styles.shadowShaped]} />;
},
},
{
title: 'Image shadow',
description: 'Image shadows are derived exactly from the pixels.',
render() {
return (
<Image
source={require('./hawk.png')}
style={[styles.box, styles.shadow1, styles.shadowImage]}
/>
);
},
},
{
title: 'Child shadow',
description:
'For views without an opaque background color, shadow will be derived from the subviews.',
render() {
return (
<View style={[styles.box, styles.shadow1, styles.shadowChild]}>
<View style={[styles.box, styles.shadowChildBox]} />
</View>
);
},
},
];