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Yamozha
2021-04-02 02:24:13 +03:00
parent c23950b545
commit 7256d79e2c
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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _Dimensions = _interopRequireDefault(require("../Dimensions"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Copyright (c) Nicolas Gallagher.
* 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.
*
*
*/
/**
* PixelRatio gives access to the device pixel density.
*/
var PixelRatio =
/*#__PURE__*/
function () {
function PixelRatio() {}
/**
* Returns the device pixel density.
*/
PixelRatio.get = function get() {
return _Dimensions.default.get('window').scale;
}
/**
* No equivalent for Web
*/
;
PixelRatio.getFontScale = function getFontScale() {
return _Dimensions.default.get('window').fontScale || PixelRatio.get();
}
/**
* Converts a layout size (dp) to pixel size (px).
* Guaranteed to return an integer number.
*/
;
PixelRatio.getPixelSizeForLayoutSize = function getPixelSizeForLayoutSize(layoutSize) {
return Math.round(layoutSize * PixelRatio.get());
}
/**
* Rounds a layout size (dp) to the nearest layout size that corresponds to
* an integer number of pixels. For example, on a device with a PixelRatio
* of 3, `PixelRatio.roundToNearestPixel(8.4) = 8.33`, which corresponds to
* exactly (8.33 * 3) = 25 pixels.
*/
;
PixelRatio.roundToNearestPixel = function roundToNearestPixel(layoutSize) {
var ratio = PixelRatio.get();
return Math.round(layoutSize * ratio) / ratio;
};
return PixelRatio;
}();
exports.default = PixelRatio;
module.exports = exports.default;