CB-7937 - Re-factor iOS Camera plugin so that it is testable (closes #52)

Signed-off-by: Shazron Abdullah <shazron@apache.org>

src/ios/UIImage+CropScaleOrientation.h

@@ -0,0 +1,28 @@
+/*
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements.  See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership.  The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License.  You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied.  See the License for the
+ specific language governing permissions and limitations
+ under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface UIImage (CropScaleOrientation)
+
+- (UIImage*)imageByScalingAndCroppingForSize:(CGSize)targetSize;
+- (UIImage*)imageCorrectedForCaptureOrientation;
+- (UIImage*)imageByScalingNotCroppingForSize:(CGSize)targetSize;
+
+@end