mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Peter Argany
7d15a6be2c
Summary: We no longer want to access RCTImageLoader from the bridge category. Instead, let's use the `moduleForClass` API. Reviewed By: shergin Differential Revision: D16389113 fbshipit-source-id: c638f4b9851698afc53aaaa2b302d21cc19f76e7
82 lines
2.7 KiB
Objective-C
82 lines
2.7 KiB
Objective-C
/**
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#import "RCTImageEditingManager.h"
|
|
|
|
#import <UIKit/UIKit.h>
|
|
|
|
#import <React/RCTConvert.h>
|
|
#import <React/RCTLog.h>
|
|
#import <React/RCTUtils.h>
|
|
|
|
#import "RCTImageLoader.h"
|
|
#import "RCTImageStoreManager.h"
|
|
#import "RCTImageUtils.h"
|
|
|
|
@implementation RCTImageEditingManager
|
|
|
|
RCT_EXPORT_MODULE()
|
|
|
|
@synthesize bridge = _bridge;
|
|
|
|
/**
|
|
* Crops an image and adds the result to the image store.
|
|
*
|
|
* @param imageRequest An image URL
|
|
* @param cropData Dictionary with `offset`, `size` and `displaySize`.
|
|
* `offset` and `size` are relative to the full-resolution image size.
|
|
* `displaySize` is an optimization - if specified, the image will
|
|
* be scaled down to `displaySize` rather than `size`.
|
|
* All units are in px (not points).
|
|
*/
|
|
RCT_EXPORT_METHOD(cropImage:(NSURLRequest *)imageRequest
|
|
cropData:(NSDictionary *)cropData
|
|
successCallback:(RCTResponseSenderBlock)successCallback
|
|
errorCallback:(RCTResponseErrorBlock)errorCallback)
|
|
{
|
|
CGRect rect = {
|
|
[RCTConvert CGPoint:cropData[@"offset"]],
|
|
[RCTConvert CGSize:cropData[@"size"]]
|
|
};
|
|
|
|
[[_bridge moduleForClass:[RCTImageLoader class]]
|
|
loadImageWithURLRequest:imageRequest callback:^(NSError *error, UIImage *image) {
|
|
if (error) {
|
|
errorCallback(error);
|
|
return;
|
|
}
|
|
|
|
// Crop image
|
|
CGSize targetSize = rect.size;
|
|
CGRect targetRect = {{-rect.origin.x, -rect.origin.y}, image.size};
|
|
CGAffineTransform transform = RCTTransformFromTargetRect(image.size, targetRect);
|
|
UIImage *croppedImage = RCTTransformImage(image, targetSize, image.scale, transform);
|
|
|
|
// Scale image
|
|
if (cropData[@"displaySize"]) {
|
|
targetSize = [RCTConvert CGSize:cropData[@"displaySize"]]; // in pixels
|
|
RCTResizeMode resizeMode = [RCTConvert RCTResizeMode:cropData[@"resizeMode"] ?: @"contain"];
|
|
targetRect = RCTTargetRect(croppedImage.size, targetSize, 1, resizeMode);
|
|
transform = RCTTransformFromTargetRect(croppedImage.size, targetRect);
|
|
croppedImage = RCTTransformImage(croppedImage, targetSize, image.scale, transform);
|
|
}
|
|
|
|
// Store image
|
|
[self->_bridge.imageStoreManager storeImage:croppedImage withBlock:^(NSString *croppedImageTag) {
|
|
if (!croppedImageTag) {
|
|
NSString *errorMessage = @"Error storing cropped image in RCTImageStoreManager";
|
|
RCTLogWarn(@"%@", errorMessage);
|
|
errorCallback(RCTErrorWithMessage(errorMessage));
|
|
return;
|
|
}
|
|
successCallback(@[croppedImageTag]);
|
|
}];
|
|
}];
|
|
}
|
|
|
|
@end
|