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import { fabric } from 'fabric';
import extend from 'tui-code-snippet/object/extend';
/**
* Cached selection's info
* @type {Array}
* @private
*/
let cachedUndoDataForChangeDimension = null;
/**
* Set cached undo data
* @param {Array} undoData - selection object
* @private
*/
export function setCachedUndoDataForDimension(undoData) {
cachedUndoDataForChangeDimension = undoData;
}
/**
* Get cached undo data
* @returns {Object} cached undo data
* @private
*/
export function getCachedUndoDataForDimension() {
return cachedUndoDataForChangeDimension;
}
/**
* Make undo data
* @param {fabric.Object} obj - selection object
* @param {Function} undoDatumMaker - make undo datum
* @returns {Array} undoData
* @private
*/
export function makeSelectionUndoData(obj, undoDatumMaker) {
let undoData;
if (obj.type === 'activeSelection') {
undoData = obj.getObjects().map((item) => {
const { angle, left, top, scaleX, scaleY, width, height } = item;
fabric.util.addTransformToObject(item, obj.calcTransformMatrix());
const result = undoDatumMaker(item);
item.set({
angle,
left,
top,
width,
height,
scaleX,
scaleY,
});
return result;
});
} else {
undoData = [undoDatumMaker(obj)];
}
return undoData;
}
/**
* Make undo datum
* @param {number} id - object id
* @param {fabric.Object} obj - selection object
* @param {boolean} isSelection - whether or not object is selection
* @returns {Object} undo datum
* @private
*/
export function makeSelectionUndoDatum(id, obj, isSelection) {
return isSelection
? {
id,
width: obj.width,
height: obj.height,
top: obj.top,
left: obj.left,
angle: obj.angle,
scaleX: obj.scaleX,
scaleY: obj.scaleY,
}
: extend({ id }, obj);
}
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