RepositorySys/wwwroot/cropperjs-main/src/js/handlers.js

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import {
  ACTION_CROP,
  ACTION_ZOOM,
  CLASS_CROP,
  CLASS_MODAL,
  DATA_ACTION,
  DRAG_MODE_CROP,
  DRAG_MODE_MOVE,
  DRAG_MODE_NONE,
  EVENT_CROP_END,
  EVENT_CROP_MOVE,
  EVENT_CROP_START,
  REGEXP_ACTIONS,
} from './constants';
import {
  addClass,
  assign,
  dispatchEvent,
  forEach,
  getData,
  getPointer,
  hasClass,
  isNumber,
  toggleClass,
} from './utilities';

export default {
  resize() {
    if (this.disabled) {
      return;
    }

    const { options, container, containerData } = this;
    const ratioX = container.offsetWidth / containerData.width;
    const ratioY = container.offsetHeight / containerData.height;
    const ratio = Math.abs(ratioX - 1) > Math.abs(ratioY - 1) ? ratioX : ratioY;

    // Resize when width changed or height changed
    if (ratio !== 1) {
      let canvasData;
      let cropBoxData;

      if (options.restore) {
        canvasData = this.getCanvasData();
        cropBoxData = this.getCropBoxData();
      }

      this.render();

      if (options.restore) {
        this.setCanvasData(forEach(canvasData, (n, i) => {
          canvasData[i] = n * ratio;
        }));
        this.setCropBoxData(forEach(cropBoxData, (n, i) => {
          cropBoxData[i] = n * ratio;
        }));
      }
    }
  },