118 lines
4.4 KiB
JavaScript
118 lines
4.4 KiB
JavaScript
"use strict";
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define(function (require, exports, module) {
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function handle(e) {
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const ctx = require("../../common/ctx");
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let historyScreenW = ctx.screenWidth;
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let curScreenW = ctx.getScreenWidth();
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if (historyScreenW === curScreenW) {
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return
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}
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//调整
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refreshEditFrontSize()
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refreshRootFrontSize();
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//更新
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ctx.screenWidth = ctx.getScreenWidth();
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ctx.screenHeight = ctx.getScreenHeight();
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}
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/**
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* 刷新跟节点 front-size for 全局盒子尺寸
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* @constructor
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*/
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function refreshRootFrontSize() {
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const ctx = require("../../common/ctx");
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let designWidth = ctx.designWith;
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let curDoc = document.documentElement;//当前文档的 root 元素
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let curClientW = ctx.getScreenWidth();
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if (!curClientW) {
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curClientW = designWidth;
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}
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let dpr = getDpr();
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//set 1rem = curClientW / designWidth (支持响应式)
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let nowFrontSize = '1px';
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if (ctx.isTablet || ctx.isMobile || ctx.isIOS || ctx.isAndroid) {
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nowFrontSize = (curClientW / designWidth) * dpr + 'px';
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} else {
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nowFrontSize = (curClientW / designWidth) + 'px';
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}
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// curDoc.style.fontSize = dpr * nowFrontSize;
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curDoc.style.fontSize = nowFrontSize;
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console.log("curClientW :", curClientW, "designWidth: ", designWidth, "-> ", nowFrontSize);
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let testDiv = document.getElementById("testDevice");
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testDiv.innerText += "\ncurClientW: " + curClientW;
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testDiv.innerText += "\ndesignWith: " + designWidth;
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testDiv.innerText += "\n1rem =: " + nowFrontSize;
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testDiv.innerText += "\nwindow.screen.width =: " + window.screen.width;
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testDiv.innerText += "\nwindow.screen.height =: " + window.screen.height;
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// testDiv.innerText = testDiv.innerText +
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// // "\n navigator_userAgent :" + navigator.userAgent.toLocaleLowerCase() +
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// "\n isMobile :" + /mobi|android|iphone|ipad|ipod/i.test(navigator.userAgent.toLocaleLowerCase()) +
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// "\n isIOS :" + /iphone|ipad|ipod/.test(window.navigator.userAgent.toLocaleLowerCase()) +
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// "\n isAndroid :" + /android/.test(window.navigator.userAgent.toLocaleLowerCase()) +
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// "\n window.width :" + window.innerWidth +
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// "\n curClientW :" + curClientW +
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// " \n designWidth: " + designWidth +
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// "\n 1rem = " + nowFrontSize;
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}
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function getDpr() {
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//获取屏幕像素密度
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let dpr = window.devicePixelRatio || 1;//当前设置下 物理像素和虚拟像素的比值
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if (!dpr) {
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//devicePixelRatio这个属性是可以获取到设备的dpr
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let devicePixelRatio = window?.devicePixelRatio;
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//判断dpr是否为整数
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let isRegularDpr = devicePixelRatio.toString().match(/^[1-9]\d*$/g)
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if (isRegularDpr) {
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// 对于是整数的dpr，对dpr进行操作
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if (devicePixelRatio >= 3 && (!dpr || dpr >= 3)) {
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dpr = 3;
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} else if (devicePixelRatio >= 2 && (!dpr || dpr >= 2)) {
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dpr = 2;
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} else {
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dpr = 1;
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}
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} else {
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// 其他设备下，仍旧使用1倍的方案
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dpr = 1;
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}
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}
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return dpr;
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}
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function refreshEditFrontSize() {
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const ctx = require("../../common/ctx");
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let curClientW = ctx.getScreenWidth();
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if (!curClientW) {
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return
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}
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//字体尺寸 https://www.shejidaren.com/zihao-daxiao-sheji-bilv.html
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//12～72 px 建议最大字体是48px
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let dpr = getDpr();
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let myEditFrontSize = document.getElementById("myEdit_main");
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if (ctx.isTablet) {
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myEditFrontSize.style.fontSize = ctx.editFrontSize * dpr + 'px';
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} else {
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myEditFrontSize.style.fontSize = ctx.editFrontSize + 'px';
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}
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// console.log("myEditFrontSize: ", myEditFrontSize.style.fontSize);
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let testDiv = document.getElementById("testDevice");
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testDiv.innerText += "\ndpr: " + dpr + "\nmyEditFrontSize: " + myEditFrontSize.style.fontSize;
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}
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//导出
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exports.handle = handle;
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exports.refreshEditFrontSize = refreshEditFrontSize;
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}); |