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