73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule ImageEditor
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* @flow
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*/
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'use strict';
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const RCTImageEditingManager = require('NativeModules').ImageEditingManager;
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type ImageCropData = {
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/**
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* The top-left corner of the cropped image, specified in the original
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* image's coordinate space.
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*/
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offset: {
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x: number,
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y: number,
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},
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/**
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* The size (dimensions) of the cropped image, specified in the original
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* image's coordinate space.
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*/
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size: {
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width: number,
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height: number,
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},
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/**
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* (Optional) size to scale the cropped image to.
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*/
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displaySize?: ?{
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width: number,
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height: number,
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},
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/**
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* (Optional) the resizing mode to use when scaling the image. If the
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* `displaySize` param is not specified, this has no effect.
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*/
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resizeMode?: ?$Enum<{
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contain: string,
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cover: string,
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stretch: string,
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}>,
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};
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class ImageEditor {
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/**
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* Crop the image specified by the URI param. If URI points to a remote
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* image, it will be downloaded automatically. If the image cannot be
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* loaded/downloaded, the failure callback will be called.
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*
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* If the cropping process is successful, the resultant cropped image
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* will be stored in the ImageStore, and the URI returned in the success
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* callback will point to the image in the store. Remember to delete the
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* cropped image from the ImageStore when you are done with it.
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*/
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static cropImage(
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uri: string,
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cropData: ImageCropData,
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success: (uri: string) => void,
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failure: (error: Object) => void
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) {
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RCTImageEditingManager.cropImage(uri, cropData, success, failure);
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}
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}
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module.exports = ImageEditor;
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