mine-h5-ui/es/MeDrag/calcSize.js

一款轻量级、模块化基于 Vue3.x 的 H5 前端 UI 组件库 👍

/*!
          * mine-h5-ui v2.15.0
          * Copyright (c) 2025 biaov
          * @license MIT
          */
const u = (x, o) => {
  const t = o.x * 2 - x.x, n = o.y * 2 - x.y;
  return { x: t, y: n };
}, w = (x, o) => {
  const t = (x.x + o.x) / 2, n = (x.y + o.y) / 2;
  return { x: t, y: n };
}, d = (x, o = "angle") => {
  const t = Math.PI / 180;
  return o === "angle" ? x * t : x / t;
}, a = (x, o, t) => {
  const n = d(t), e = Math.sin(n), s = Math.cos(n), y = x.x - o.x, h = x.y - o.y, r = y * s - h * e + o.x, M = y * e + h * s + o.y;
  return { x: r, y: M };
}, c = ({ symmPoint: x, curPoint: o, rect: t }) => {
  const n = w(o, x), e = a(o, n, -t.r), s = u(e, n), y = s.x - e.x, h = s.y - e.y;
  return y > 0 && h > 0 && (t.w = Math.round(y), t.h = Math.round(h), t.x = Math.round(e.x), t.y = Math.round(e.y)), t;
}, i = ({ startPoint: x, symmPoint: o, curPoint: t, rect: n }) => {
  const e = a(t, x, -n.r), s = a(
    {
      x: x.x,
      y: e.y
    },
    x,
    n.r
  ), y = Math.sqrt((s.x - o.x) ** 2 + (s.y - o.y) ** 2);
  if (y > 0) {
    const h = {
      x: (s.x + o.x) / 2,
      y: (s.y + o.y) / 2
    };
    n.h = Math.round(y), n.x = Math.round(h.x - n.w / 2), n.y = Math.round(h.y - y / 2);
  }
  return n;
}, C = ({ symmPoint: x, curPoint: o, rect: t }) => {
  const n = w(o, x), e = a(o, n, -t.r), s = u(e, n), y = e.x - s.x, h = s.y - e.y;
  return y > 0 && h > 0 && (t.w = Math.round(y), t.h = Math.round(h), t.x = Math.round(s.x), t.y = Math.round(e.y)), t;
}, f = ({ startPoint: x, symmPoint: o, curPoint: t, rect: n }) => {
  const e = a(t, x, -n.r), s = a(
    {
      x: e.x,
      y: x.y
    },
    x,
    n.r
  ), y = Math.sqrt((s.x - o.x) ** 2 + (s.y - o.y) ** 2);
  if (y > 0) {
    const h = {
      x: (s.x + o.x) / 2,
      y: (s.y + o.y) / 2
    };
    n.w = Math.round(y), n.x = Math.round(h.x - y / 2), n.y = Math.round(h.y - n.h / 2);
  }
  return n;
}, z = ({ symmPoint: x, curPoint: o, rect: t }) => {
  const n = w(o, x), e = a(o, n, -t.r), s = u(e, n), y = e.x - s.x, h = e.y - s.y;
  return y > 0 && h > 0 && (t.w = Math.round(y), t.h = Math.round(h), t.x = Math.round(s.x), t.y = Math.round(s.y)), t;
}, R = ({ startPoint: x, symmPoint: o, curPoint: t, rect: n }) => {
  const e = a(t, x, -n.r), s = a(
    {
      x: x.x,
      y: e.y
    },
    x,
    n.r
  ), y = Math.sqrt((s.x - o.x) ** 2 + (s.y - o.y) ** 2);
  if (y > 0) {
    const h = {
      x: (s.x + o.x) / 2,
      y: (s.y + o.y) / 2
    };
    n.h = Math.round(y), n.x = Math.round(h.x - n.w / 2), n.y = Math.round(h.y - y / 2);
  }
  return n;
}, l = ({ symmPoint: x, curPoint: o, rect: t }) => {
  const n = w(o, x), e = a(o, n, -t.r), s = u(e, n), y = s.x - e.x, h = e.y - s.y;
  return y > 0 && h > 0 && (t.w = Math.round(y), t.h = Math.round(h), t.x = Math.round(e.x), t.y = Math.round(s.y)), t;
}, W = ({ startPoint: x, symmPoint: o, curPoint: t, rect: n }) => {
  const e = a(t, x, -n.r), s = a({ x: e.x, y: x.y }, x, n.r), y = Math.sqrt((s.x - o.x) ** 2 + (s.y - o.y) ** 2);
  if (y > 0) {
    const h = {
      x: (s.x + o.x) / 2,
      y: (s.y + o.y) / 2
    };
    n.w = Math.round(y), n.y = Math.round(h.y - n.h / 2), n.x = Math.round(h.x - y / 2);
  }
  return n;
}, g = {
  nw: c,
  n: i,
  ne: C,
  e: f,
  se: z,
  s: R,
  sw: l,
  w: W
}, H = (x, o) => g[x](structuredClone(o));
export {
  d as angleMutualRadian,
  H as default,
  w as getCenterPoint,
  a as getRotatePoint,
  u as getSymmPoint
};