img-cropper

ImageCropper

Installation

# Via NPM 
$ npm i img-cropper
 
# Via Bower 
$ bower i img-cropper

Usage

const ImageCropper = require('img-cropper');
 
const cropper = ImageCropper.create({
  container: document.getElementById('cropper'),
  onCrop: cropData => {
    canvasPreview.getContext('2d').drawImage(cropData.getCanvas(), 0, 0, 200, 200);
  },
});

Documents

• function ImageCropper.create(options)

  options have properties below:

  • container: Required

    DOM element to contain the cropper. The cropper will be intialized with the width and height of its container if no width and height is explicitly defined.

  • width (Optional)

    Maximum width of the cropper. If not defined, container.clientWidth will be used.

  • height (Optional)

    Maximum height of the cropper. If not defined, container.clientHeight will be used.

  • minHeight (Optional)

    Minimum height of the cropping rect, default as 5.

  • ratio (Optional)

    The width / height ratio, default as 1, 0 stands for unlimited.

  • directions (Optional)

    An array of resizer directions, default as ['nw', 'ne', 'sw', 'se'].

  • onCrop (Optional)

    Function called with cropData when cropped image is updated.

  • debounce (Optional)

    Either 'mouseup' or the number of time in milliseconds to debounce the onCrop call.

  Returns an object with properties below:

  • function reset(sourceImage, (optional) cropRect, (optional) callback)

    sourceImage can be , , Blob or URL string.

    cropRect can be an object with optional x, y, width, height properties.

    callback will be called with a cachable if specified.

  • function setRatio(ratio)

  • function setDebounce(debounce)

    debounce is the same as in options.

  • function setRect(cropRect)

    Modify the crop rect manually, the same as in reset.