333 lines
13 KiB
JavaScript
333 lines
13 KiB
JavaScript
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import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
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import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
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import _extends from "@babel/runtime/helpers/esm/extends";
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import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
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import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
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var _excluded = ["fallback", "src", "imgRef"],
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_excluded2 = ["prefixCls", "src", "alt", "fallback", "movable", "onClose", "visible", "icons", "rootClassName", "closeIcon", "getContainer", "current", "count", "countRender", "scaleStep", "minScale", "maxScale", "transitionName", "maskTransitionName", "imageRender", "imgCommonProps", "toolbarRender", "onTransform", "onChange"];
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import classnames from 'classnames';
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import Dialog from 'rc-dialog';
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import addEventListener from "rc-util/es/Dom/addEventListener";
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import KeyCode from "rc-util/es/KeyCode";
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import { warning } from "rc-util/es/warning";
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import React, { useContext, useEffect, useRef, useState } from 'react';
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import { PreviewGroupContext } from "./context";
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import getFixScaleEleTransPosition from "./getFixScaleEleTransPosition";
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import useImageTransform from "./hooks/useImageTransform";
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import useStatus from "./hooks/useStatus";
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import Operations from "./Operations";
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import { BASE_SCALE_RATIO, WHEEL_MAX_SCALE_RATIO } from "./previewConfig";
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var PreviewImage = function PreviewImage(_ref) {
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var fallback = _ref.fallback,
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src = _ref.src,
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imgRef = _ref.imgRef,
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props = _objectWithoutProperties(_ref, _excluded);
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var _useStatus = useStatus({
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src: src,
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fallback: fallback
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}),
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_useStatus2 = _slicedToArray(_useStatus, 2),
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getImgRef = _useStatus2[0],
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srcAndOnload = _useStatus2[1];
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return /*#__PURE__*/React.createElement("img", _extends({
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ref: function ref(_ref2) {
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imgRef.current = _ref2;
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getImgRef(_ref2);
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}
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}, props, srcAndOnload));
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};
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var Preview = function Preview(props) {
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var prefixCls = props.prefixCls,
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src = props.src,
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alt = props.alt,
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fallback = props.fallback,
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_props$movable = props.movable,
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movable = _props$movable === void 0 ? true : _props$movable,
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onClose = props.onClose,
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visible = props.visible,
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_props$icons = props.icons,
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icons = _props$icons === void 0 ? {} : _props$icons,
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rootClassName = props.rootClassName,
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closeIcon = props.closeIcon,
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getContainer = props.getContainer,
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_props$current = props.current,
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current = _props$current === void 0 ? 0 : _props$current,
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_props$count = props.count,
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count = _props$count === void 0 ? 1 : _props$count,
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countRender = props.countRender,
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_props$scaleStep = props.scaleStep,
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scaleStep = _props$scaleStep === void 0 ? 0.5 : _props$scaleStep,
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_props$minScale = props.minScale,
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minScale = _props$minScale === void 0 ? 1 : _props$minScale,
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_props$maxScale = props.maxScale,
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maxScale = _props$maxScale === void 0 ? 50 : _props$maxScale,
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_props$transitionName = props.transitionName,
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transitionName = _props$transitionName === void 0 ? 'zoom' : _props$transitionName,
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_props$maskTransition = props.maskTransitionName,
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maskTransitionName = _props$maskTransition === void 0 ? 'fade' : _props$maskTransition,
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imageRender = props.imageRender,
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imgCommonProps = props.imgCommonProps,
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toolbarRender = props.toolbarRender,
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onTransform = props.onTransform,
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onChange = props.onChange,
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restProps = _objectWithoutProperties(props, _excluded2);
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var imgRef = useRef();
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var downPositionRef = useRef({
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deltaX: 0,
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deltaY: 0,
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transformX: 0,
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transformY: 0
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});
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var _useState = useState(false),
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_useState2 = _slicedToArray(_useState, 2),
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isMoving = _useState2[0],
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setMoving = _useState2[1];
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var groupContext = useContext(PreviewGroupContext);
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var showLeftOrRightSwitches = groupContext && count > 1;
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var showOperationsProgress = groupContext && count >= 1;
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var _useImageTransform = useImageTransform(imgRef, minScale, maxScale, onTransform),
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transform = _useImageTransform.transform,
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resetTransform = _useImageTransform.resetTransform,
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updateTransform = _useImageTransform.updateTransform,
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dispatchZoomChange = _useImageTransform.dispatchZoomChange;
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var _useState3 = useState(true),
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_useState4 = _slicedToArray(_useState3, 2),
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enableTransition = _useState4[0],
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setEnableTransition = _useState4[1];
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var rotate = transform.rotate,
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scale = transform.scale,
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x = transform.x,
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y = transform.y;
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var wrapClassName = classnames(_defineProperty({}, "".concat(prefixCls, "-moving"), isMoving));
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useEffect(function () {
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if (!enableTransition) {
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setEnableTransition(true);
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}
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}, [enableTransition]);
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var onAfterClose = function onAfterClose() {
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resetTransform('close');
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};
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var onZoomIn = function onZoomIn() {
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dispatchZoomChange(BASE_SCALE_RATIO + scaleStep, 'zoomIn');
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};
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var onZoomOut = function onZoomOut() {
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dispatchZoomChange(BASE_SCALE_RATIO / (BASE_SCALE_RATIO + scaleStep), 'zoomOut');
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};
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var onRotateRight = function onRotateRight() {
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updateTransform({
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rotate: rotate + 90
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}, 'rotateRight');
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};
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var onRotateLeft = function onRotateLeft() {
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updateTransform({
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rotate: rotate - 90
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}, 'rotateLeft');
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};
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var onFlipX = function onFlipX() {
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updateTransform({
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flipX: !transform.flipX
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}, 'flipX');
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};
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var onFlipY = function onFlipY() {
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updateTransform({
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flipY: !transform.flipY
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}, 'flipY');
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};
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var onSwitchLeft = function onSwitchLeft(event) {
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event === null || event === void 0 ? void 0 : event.preventDefault();
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event === null || event === void 0 ? void 0 : event.stopPropagation();
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if (current > 0) {
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setEnableTransition(false);
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resetTransform('prev');
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onChange === null || onChange === void 0 ? void 0 : onChange(current - 1, current);
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}
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};
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var onSwitchRight = function onSwitchRight(event) {
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event === null || event === void 0 ? void 0 : event.preventDefault();
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event === null || event === void 0 ? void 0 : event.stopPropagation();
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if (current < count - 1) {
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setEnableTransition(false);
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resetTransform('next');
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onChange === null || onChange === void 0 ? void 0 : onChange(current + 1, current);
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}
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};
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var onMouseUp = function onMouseUp() {
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if (visible && isMoving) {
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setMoving(false);
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/** No need to restore the position when the picture is not moved, So as not to interfere with the click */
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var _downPositionRef$curr = downPositionRef.current,
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transformX = _downPositionRef$curr.transformX,
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transformY = _downPositionRef$curr.transformY;
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var hasChangedPosition = x !== transformX && y !== transformY;
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if (!hasChangedPosition) {
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return;
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}
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var width = imgRef.current.offsetWidth * scale;
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var height = imgRef.current.offsetHeight * scale;
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// eslint-disable-next-line @typescript-eslint/no-shadow
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var _imgRef$current$getBo = imgRef.current.getBoundingClientRect(),
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left = _imgRef$current$getBo.left,
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top = _imgRef$current$getBo.top;
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var isRotate = rotate % 180 !== 0;
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var fixState = getFixScaleEleTransPosition(isRotate ? height : width, isRotate ? width : height, left, top);
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if (fixState) {
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updateTransform(_objectSpread({}, fixState), 'dragRebound');
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}
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}
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};
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var onMouseDown = function onMouseDown(event) {
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// Only allow main button
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if (!movable || event.button !== 0) return;
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event.preventDefault();
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event.stopPropagation();
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downPositionRef.current = {
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deltaX: event.pageX - transform.x,
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deltaY: event.pageY - transform.y,
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transformX: transform.x,
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transformY: transform.y
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};
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setMoving(true);
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};
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var onMouseMove = function onMouseMove(event) {
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if (visible && isMoving) {
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updateTransform({
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x: event.pageX - downPositionRef.current.deltaX,
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y: event.pageY - downPositionRef.current.deltaY
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}, 'move');
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}
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};
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var onWheel = function onWheel(event) {
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if (!visible || event.deltaY == 0) return;
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// Scale ratio depends on the deltaY size
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var scaleRatio = Math.abs(event.deltaY / 100);
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// Limit the maximum scale ratio
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var mergedScaleRatio = Math.min(scaleRatio, WHEEL_MAX_SCALE_RATIO);
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// Scale the ratio each time
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var ratio = BASE_SCALE_RATIO + mergedScaleRatio * scaleStep;
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if (event.deltaY > 0) {
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ratio = BASE_SCALE_RATIO / ratio;
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}
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dispatchZoomChange(ratio, 'wheel', event.clientX, event.clientY);
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};
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var onKeyDown = function onKeyDown(event) {
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if (!visible || !showLeftOrRightSwitches) return;
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if (event.keyCode === KeyCode.LEFT) {
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onSwitchLeft();
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} else if (event.keyCode === KeyCode.RIGHT) {
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onSwitchRight();
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}
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};
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var onDoubleClick = function onDoubleClick(event) {
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if (visible) {
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if (scale !== 1) {
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updateTransform({
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x: 0,
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y: 0,
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scale: 1
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}, 'doubleClick');
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} else {
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dispatchZoomChange(BASE_SCALE_RATIO + scaleStep, 'doubleClick', event.clientX, event.clientY);
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}
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}
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};
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useEffect(function () {
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var onTopMouseUpListener;
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var onTopMouseMoveListener;
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var onMouseUpListener;
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var onMouseMoveListener;
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if (movable) {
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onMouseUpListener = addEventListener(window, 'mouseup', onMouseUp, false);
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onMouseMoveListener = addEventListener(window, 'mousemove', onMouseMove, false);
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try {
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// Resolve if in iframe lost event
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/* istanbul ignore next */
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if (window.top !== window.self) {
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onTopMouseUpListener = addEventListener(window.top, 'mouseup', onMouseUp, false);
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onTopMouseMoveListener = addEventListener(window.top, 'mousemove', onMouseMove, false);
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}
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} catch (error) {
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/* istanbul ignore next */
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warning(false, "[rc-image] ".concat(error));
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}
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}
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return function () {
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var _onMouseUpListener, _onMouseMoveListener, _onTopMouseUpListener, _onTopMouseMoveListen;
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(_onMouseUpListener = onMouseUpListener) === null || _onMouseUpListener === void 0 ? void 0 : _onMouseUpListener.remove();
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(_onMouseMoveListener = onMouseMoveListener) === null || _onMouseMoveListener === void 0 ? void 0 : _onMouseMoveListener.remove();
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/* istanbul ignore next */
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(_onTopMouseUpListener = onTopMouseUpListener) === null || _onTopMouseUpListener === void 0 ? void 0 : _onTopMouseUpListener.remove();
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/* istanbul ignore next */
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(_onTopMouseMoveListen = onTopMouseMoveListener) === null || _onTopMouseMoveListen === void 0 ? void 0 : _onTopMouseMoveListen.remove();
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};
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}, [visible, isMoving, x, y, rotate, movable]);
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useEffect(function () {
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var onKeyDownListener = addEventListener(window, 'keydown', onKeyDown, false);
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return function () {
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onKeyDownListener.remove();
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};
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}, [visible, showLeftOrRightSwitches, current]);
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var imgNode = /*#__PURE__*/React.createElement(PreviewImage, _extends({}, imgCommonProps, {
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width: props.width,
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height: props.height,
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imgRef: imgRef,
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className: "".concat(prefixCls, "-img"),
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alt: alt,
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style: {
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transform: "translate3d(".concat(transform.x, "px, ").concat(transform.y, "px, 0) scale3d(").concat(transform.flipX ? '-' : '').concat(scale, ", ").concat(transform.flipY ? '-' : '').concat(scale, ", 1) rotate(").concat(rotate, "deg)"),
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transitionDuration: !enableTransition && '0s'
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},
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fallback: fallback,
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src: src,
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onWheel: onWheel,
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onMouseDown: onMouseDown,
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onDoubleClick: onDoubleClick
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}));
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return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(Dialog, _extends({
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transitionName: transitionName,
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maskTransitionName: maskTransitionName,
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closable: false,
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keyboard: true,
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prefixCls: prefixCls,
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onClose: onClose,
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visible: visible,
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wrapClassName: wrapClassName,
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rootClassName: rootClassName,
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getContainer: getContainer
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}, restProps, {
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afterClose: onAfterClose
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}), /*#__PURE__*/React.createElement("div", {
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className: "".concat(prefixCls, "-img-wrapper")
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}, imageRender ? imageRender(imgNode, _objectSpread({
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transform: transform
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}, groupContext ? {
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current: current
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} : {})) : imgNode)), /*#__PURE__*/React.createElement(Operations, {
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visible: visible,
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transform: transform,
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maskTransitionName: maskTransitionName,
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closeIcon: closeIcon,
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getContainer: getContainer,
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prefixCls: prefixCls,
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rootClassName: rootClassName,
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icons: icons,
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countRender: countRender,
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showSwitch: showLeftOrRightSwitches,
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showProgress: showOperationsProgress,
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current: current,
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count: count,
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scale: scale,
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minScale: minScale,
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maxScale: maxScale,
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toolbarRender: toolbarRender,
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onSwitchLeft: onSwitchLeft,
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onSwitchRight: onSwitchRight,
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onZoomIn: onZoomIn,
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onZoomOut: onZoomOut,
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onRotateRight: onRotateRight,
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onRotateLeft: onRotateLeft,
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onFlipX: onFlipX,
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onFlipY: onFlipY,
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onClose: onClose
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}));
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};
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export default Preview;
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