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Add size and format options when uploading an asset library image #16

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Add size and format options when uploading an asset library image #16

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b46ef89
Add a size option to allow full resolution upload
Nov 16, 2015
ed9aa2b
Add a format option to allow upload as a JPEG
Nov 16, 2015
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20 changes: 17 additions & 3 deletions RCTFileTransfer.m
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Original file line number Diff line number Diff line change
Expand Up @@ -51,10 +51,24 @@ - (void)uploadAssetsLibrary:(NSDictionary *)input callback:(RCTResponseSenderBlo
[library assetForURL:assetUrl resultBlock:^(ALAsset *asset) {

ALAssetRepresentation *rep = [asset defaultRepresentation];
UIImage *image;
NSString *size = input[@"size"];
NSString *format = input[@"format"];

if ([size isEqualToString:@"full"]) {
CGImageRef imageRef = [rep fullResolutionImage];
image = [UIImage imageWithCGImage:imageRef scale:[rep scale] orientation:(UIImageOrientation)[rep orientation]];
} else {
CGImageRef fullScreenImageRef = [rep fullScreenImage];
image = [UIImage imageWithCGImage:fullScreenImageRef];
}

CGImageRef fullScreenImageRef = [rep fullScreenImage];
UIImage *image = [UIImage imageWithCGImage:fullScreenImageRef];
NSData *fileData = UIImagePNGRepresentation(image);
NSData *fileData;
if ([format isEqualToString:@"JPEG"]) {
fileData = UIImageJPEGRepresentation(image, 1);
} else {
fileData = UIImagePNGRepresentation(image);
}

[self sendData:fileData withOptions:input callback:callback];

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2 changes: 2 additions & 0 deletions README.md
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Expand Up @@ -10,6 +10,8 @@ When you properly add the `RCTFileTransfer.m` file to your xcode project you may
var { NativeModules } = require('react-native');
var obj = {
uri, // either an 'assets-library' url (for files from photo library) or an image dataURL
size, // either 'screen' (default) or 'full', only applies to asset library uploads
format, // either 'PNG' (default) or 'JPEG', only applies to asset library uploads
uploadUrl,
fileName,
mimeType,
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