From 4ffedae7923446d607d4dd4680bf5b3fa6409a08 Mon Sep 17 00:00:00 2001
From: Thomas Parslow <tom@almostobsolete.net>
Date: Sun, 20 May 2018 23:29:16 +0200
Subject: [PATCH] Support orientation option when taking picture on ios

---
 ios/RN/RNCamera.m        | 8 +++++++-
 ios/RN/RNCameraManager.h | 8 ++++++++
 ios/RN/RNCameraManager.m | 7 +++++++
 src/RNCamera.js          | 6 ++++++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/ios/RN/RNCamera.m b/ios/RN/RNCamera.m
index 470bc68..d4cea11 100644
--- a/ios/RN/RNCamera.m
+++ b/ios/RN/RNCamera.m
@@ -309,7 +309,13 @@ static NSDictionary *defaultFaceDetectorOptions = nil;
 - (void)takePicture:(NSDictionary *)options resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject
 {
     AVCaptureConnection *connection = [self.stillImageOutput connectionWithMediaType:AVMediaTypeVideo];
-    [connection setVideoOrientation:[RNCameraUtils videoOrientationForDeviceOrientation:[[UIDevice currentDevice] orientation]]];
+    int orientation;
+    if ([options[@"orientation"] integerValue]) {
+        orientation = [options[@"orientation"] integerValue];
+    } else {
+        orientation = [RNCameraUtils videoOrientationForDeviceOrientation:[[UIDevice currentDevice] orientation]];
+    }
+    [connection setVideoOrientation:orientation];
     [self.stillImageOutput captureStillImageAsynchronouslyFromConnection:connection completionHandler: ^(CMSampleBufferRef imageSampleBuffer, NSError *error) {
         if (imageSampleBuffer && !error) {
             NSData *imageData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageSampleBuffer];
diff --git a/ios/RN/RNCameraManager.h b/ios/RN/RNCameraManager.h
index f900f3f..c07b2ab 100644
--- a/ios/RN/RNCameraManager.h
+++ b/ios/RN/RNCameraManager.h
@@ -18,6 +18,14 @@ typedef NS_ENUM(NSInteger, RNCameraFlashMode) {
     RNCameraFlashModeAuto = AVCaptureFlashModeAuto
 };
 
+typedef NS_ENUM(NSInteger, RNCameraOrientation) {
+    RNCameraOrientationAuto = 0,
+    RNCameraOrientationLandscapeLeft = AVCaptureVideoOrientationLandscapeLeft,
+    RNCameraOrientationLandscapeRight = AVCaptureVideoOrientationLandscapeRight,
+    RNCameraOrientationPortrait = AVCaptureVideoOrientationPortrait,
+    RNCameraOrientationPortraitUpsideDown = AVCaptureVideoOrientationPortraitUpsideDown
+};
+
 typedef NS_ENUM(NSInteger, RNCameraAutoFocus) {
     RNCameraAutoFocusOff = AVCaptureFocusModeLocked,
     RNCameraAutoFocusOn = AVCaptureFocusModeContinuousAutoFocus,
diff --git a/ios/RN/RNCameraManager.m b/ios/RN/RNCameraManager.m
index 0e067c0..89f710e 100644
--- a/ios/RN/RNCameraManager.m
+++ b/ios/RN/RNCameraManager.m
@@ -56,6 +56,13 @@ RCT_EXPORT_VIEW_PROPERTY(onFacesDetected, RCTDirectEventBlock);
                      @"4:3": @(RNCameraVideo4x3),
                      @"288p": @(RNCameraVideo288p),
                      },
+             @"Orientation": @{
+                     @"auto": @(RNCameraOrientationAuto),
+                     @"landscapeLeft": @(RNCameraOrientationLandscapeLeft),
+                     @"landscapeRight": @(RNCameraOrientationLandscapeRight),
+                     @"portrait": @(RNCameraOrientationPortrait),
+                     @"portraitUpsideDown": @(RNCameraOrientationPortraitUpsideDown)
+                     },
              @"VideoCodec": [[self class] validCodecTypes],
              @"BarCodeType" : [[self class] validBarCodeTypes],
              @"FaceDetection" : [[self  class] faceDetectorConstants]
diff --git a/src/RNCamera.js b/src/RNCamera.js
index 793bb81..91a6c28 100644
--- a/src/RNCamera.js
+++ b/src/RNCamera.js
@@ -30,8 +30,11 @@ const styles = StyleSheet.create({
   },
 });
 
+type Orientation = "auto"|"landscapeLeft"|"landscapeRight"|"portrait"|"portraitUpsideDown";
+
 type PictureOptions = {
   quality?: number,
+  orientation?: Orientation,
   base64?: boolean,
   mirrorImage?: boolean,
   exif?: boolean,
@@ -247,6 +250,9 @@ export default class Camera extends React.Component<PropsType, StateType> {
     if (!options.quality) {
       options.quality = 1;
     }
+    if (options.orientation) {
+      options.orientation = CameraManager.Orientation[options.orientation];
+    }
     return await CameraManager.takePicture(options, this._cameraHandle);
   }