mirror of
https://github.com/status-im/react-native.git
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1490ab12ef
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.
find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.
Reviewed By: TheSavior, yungsters
Differential Revision: D7007050
fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
30 lines
725 B
JavaScript
30 lines
725 B
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @providesModule setNormalizedColorAlpha
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* @flow
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*/
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/* eslint no-bitwise: 0 */
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'use strict';
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/**
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* number should be a color processed by `normalizeColor`
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* alpha should be number between 0 and 1
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*/
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function setNormalizedColorAlpha(input: number, alpha: number): number {
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if (alpha < 0) {
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alpha = 0;
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} else if (alpha > 1) {
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alpha = 1;
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}
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alpha = Math.round(alpha * 255);
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// magic bitshift guarantees we return an unsigned int
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return ((input & 0xffffff00) | alpha) >>> 0;
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}
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module.exports = setNormalizedColorAlpha;
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