60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = getFixScaleEleTransPosition;
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var _util = require("./util");
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function fixPoint(key, start, width, clientWidth) {
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const startAddWidth = start + width;
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const offsetStart = (width - clientWidth) / 2;
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if (width > clientWidth) {
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if (start > 0) {
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return {
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[key]: offsetStart
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};
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}
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if (start < 0 && startAddWidth < clientWidth) {
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return {
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[key]: -offsetStart
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};
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}
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} else if (start < 0 || startAddWidth > clientWidth) {
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return {
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[key]: start < 0 ? offsetStart : -offsetStart
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};
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}
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return {};
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}
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/**
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* Fix positon x,y point when
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*
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* Ele width && height < client
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* - Back origin
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*
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* - Ele width | height > clientWidth | clientHeight
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* - left | top > 0 -> Back 0
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* - left | top + width | height < clientWidth | clientHeight -> Back left | top + width | height === clientWidth | clientHeight
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*
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* Regardless of other
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*/
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function getFixScaleEleTransPosition(width, height, left, top) {
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const {
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width: clientWidth,
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height: clientHeight
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} = (0, _util.getClientSize)();
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let fixPos = null;
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if (width <= clientWidth && height <= clientHeight) {
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fixPos = {
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x: 0,
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y: 0
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};
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} else if (width > clientWidth || height > clientHeight) {
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fixPos = {
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...fixPoint('x', left, width, clientWidth),
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...fixPoint('y', top, height, clientHeight)
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};
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}
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return fixPos;
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} |