15 lines
549 B
TypeScript
15 lines
549 B
TypeScript
import { Dimensions, PixelRatio } from "react-native"
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const DESIGN_WIDTH = 400
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const { width: SCREEN_WIDTH } = Dimensions.get("window")
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/** 布局尺寸缩放（padding、margin、width、height、borderRadius 等） */
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export function s(size: number): number {
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return PixelRatio.roundToNearestPixel(size * (SCREEN_WIDTH / DESIGN_WIDTH))
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}
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/** 字体缩放（平方根阻尼，避免大屏字体过大） */
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export function fs(size: number): number {
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return PixelRatio.roundToNearestPixel(size * Math.pow(SCREEN_WIDTH / DESIGN_WIDTH, 0.5))
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}
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