53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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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 _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
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var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
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var _css = require("rc-util/lib/Dom/css");
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function fixPoint(key, start, width, clientWidth) {
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var startAddWidth = start + width;
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var offsetStart = (width - clientWidth) / 2;
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if (width > clientWidth) {
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if (start > 0) {
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return (0, _defineProperty2.default)({}, key, offsetStart);
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}
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if (start < 0 && startAddWidth < clientWidth) {
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return (0, _defineProperty2.default)({}, key, -offsetStart);
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}
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} else if (start < 0 || startAddWidth > clientWidth) {
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return (0, _defineProperty2.default)({}, key, start < 0 ? offsetStart : -offsetStart);
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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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var _getClientSize = (0, _css.getClientSize)(),
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clientWidth = _getClientSize.width,
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clientHeight = _getClientSize.height;
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var 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 = (0, _objectSpread2.default)((0, _objectSpread2.default)({}, fixPoint('x', left, width, clientWidth)), fixPoint('y', top, height, clientHeight));
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}
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return fixPos;
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} |