Add width property on iOS. Allows to specify an image width on capture

ios/RN/RNCamera.m

@@ -324,6 +324,17 @@ static NSDictionary *defaultFaceDetectorOptions = nil;
             if ([options[@"mirrorImage"] boolValue]) {
                 takenImage = [RNImageUtils mirrorImage:takenImage];
             }
+<<<<<<< HEAD
+=======
+            
+            if ([options[@"width"] integerValue]) {
+                takenImage = [RNImageUtils scaleImage:takenImage toWidth:[options[@"width"] integerValue]];
+            }
+            
+            if ([options[@"forceUpOrientation"] boolValue]) {
+                takenImage = [RNImageUtils forceUpOrientation:takenImage];
+            }
+>>>>>>> c03db73... Add width property on iOS. Allows to specify an image width on capture
             
             NSMutableDictionary *response = [[NSMutableDictionary alloc] init];
             float quality = [options[@"quality"] floatValue];

ios/RN/RNImageUtils.h

@@ -15,6 +15,7 @@
 + (UIImage *)cropImage:(UIImage *)image toRect:(CGRect)rect;
 + (UIImage *)mirrorImage:(UIImage *)image;
 + (NSString *)writeImage:(NSData *)image toPath:(NSString *)path;
++ (UIImage *) scaleImage:(UIImage*)image toWidth:(NSInteger)width;
 + (void)updatePhotoMetadata:(CMSampleBufferRef)imageSampleBuffer withAdditionalData:(NSDictionary *)additionalData inResponse:(NSMutableDictionary *)response;
 
 @end

ios/RN/RNImageUtils.m

@@ -68,6 +68,33 @@
     return [fileURL absoluteString];
 }
 
+<<<<<<< HEAD
+=======
++ (UIImage *) scaleImage:(UIImage*)image toWidth:(NSInteger)width
+{
+    width /= [UIScreen mainScreen].scale; // prevents image from being incorrectly resized on retina displays
+    float scaleRatio = (float) width / (float) image.size.width;
+    CGSize size = CGSizeMake(width, (int) (image.size.height * scaleRatio));
+    
+    UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);
+    [image drawInRect:CGRectMake(0, 0, size.width, size.height)];
+    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    return [UIImage imageWithCGImage:[newImage CGImage]  scale:1.0 orientation:(newImage.imageOrientation)];
+}
+
++ (UIImage *)forceUpOrientation:(UIImage *)image
+{
+    if (image.imageOrientation != UIImageOrientationUp) {
+        UIGraphicsBeginImageContextWithOptions(image.size, NO, image.scale);
+        [image drawInRect:CGRectMake(0, 0, image.size.width, image.size.height)];
+        image = UIGraphicsGetImageFromCurrentImageContext();
+        UIGraphicsEndImageContext();
+    }
+    return image;
+} 
+
+>>>>>>> c03db73... Add width property on iOS. Allows to specify an image width on capture
 + (void)updatePhotoMetadata:(CMSampleBufferRef)imageSampleBuffer withAdditionalData:(NSDictionary *)additionalData inResponse:(NSMutableDictionary *)response
 {
     CFDictionaryRef exifAttachments = CMGetAttachment(imageSampleBuffer, kCGImagePropertyExifDictionary, NULL);