54 lines
1.9 KiB
JavaScript
54 lines
1.9 KiB
JavaScript
var React = require('react-native');
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var flattenStyle = React.StyleSheet.flatten;
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var { requireNativeComponent, processColor, PropTypes, View } = React;
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var LinearGradient = React.createClass({
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propTypes: {
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start: PropTypes.arrayOf(PropTypes.number),
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end: PropTypes.arrayOf(PropTypes.number),
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colors: PropTypes.arrayOf(PropTypes.string).isRequired,
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locations: PropTypes.arrayOf(PropTypes.number),
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...View.propTypes,
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},
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render: function() {
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var { style, children, colors, locations, start, end, ...otherProps } = this.props;
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// inherit container borderRadius until this issue is resolved:
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// https://github.com/facebook/react-native/issues/3198
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var flatStyle = style && flattenStyle(style);
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var borderRadius = flatStyle.borderRadius || 0;
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// this is the format taken by:
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// http://developer.android.com/reference/android/graphics/Path.html#addRoundRect(android.graphics.RectF, float[], android.graphics.Path.Direction)
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var borderRadiiPerCorner = [
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flatStyle.borderTopLeftRadius || borderRadius,
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flatStyle.borderTopLeftRadius || borderRadius,
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flatStyle.borderTopRightRadius || borderRadius,
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flatStyle.borderTopRightRadius || borderRadius,
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flatStyle.borderBottomRightRadius || borderRadius,
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flatStyle.borderBottomRightRadius || borderRadius,
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flatStyle.borderBottomLeftRadius || borderRadius,
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flatStyle.borderBottomLeftRadius || borderRadius
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];
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return (
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<View {...otherProps} style={style}>
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<NativeLinearGradient
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style={{position: 'absolute', top: 0, left: 0, bottom: 0, right: 0}}
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colors={colors.map(processColor)}
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start={start}
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end={end}
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locations={locations}
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borderRadii={borderRadiiPerCorner}
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/>
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{ children }
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</View>
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);
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}
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})
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var NativeLinearGradient = requireNativeComponent('BVLinearGradient', null);
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module.exports = LinearGradient;
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