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diff --git a/iphone/include/ZBarSDK/ZBarReaderView.h b/iphone/include/ZBarSDK/ZBarReaderView.h
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+++ b/iphone/include/ZBarSDK/ZBarReaderView.h
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+//------------------------------------------------------------------------
+//  Copyright 2010 (c) Jeff Brown <spadix@users.sourceforge.net>
+//
+//  This file is part of the ZBar Bar Code Reader.
+//
+//  The ZBar Bar Code Reader is free software; you can redistribute it
+//  and/or modify it under the terms of the GNU Lesser Public License as
+//  published by the Free Software Foundation; either version 2.1 of
+//  the License, or (at your option) any later version.
+//
+//  The ZBar Bar Code Reader is distributed in the hope that it will be
+//  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+//  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser Public License
+//  along with the ZBar Bar Code Reader; if not, write to the Free
+//  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+//  Boston, MA  02110-1301  USA
+//
+//  http://sourceforge.net/projects/zbar
+//------------------------------------------------------------------------
+
+#import <UIKit/UIKit.h>
+#import "ZBarImageScanner.h"
+
+@class AVCaptureSession, AVCaptureDevice;
+@class CALayer;
+@class ZBarImageScanner, ZBarCaptureReader, ZBarReaderView;
+
+// delegate is notified of decode results.
+
+@protocol ZBarReaderViewDelegate <NSObject>
+
+- (void)readerView:(ZBarReaderView *)readerView
+    didReadSymbols:(ZBarSymbolSet *)symbols
+	 fromImage:(UIImage *)image;
+
+@optional
+- (void)readerViewDidStart:(ZBarReaderView *)readerView;
+- (void)readerView:(ZBarReaderView *)readerView
+    didStopWithError:(NSError *)error;
+
+@end
+
+// read barcodes from the displayed video preview.  the view maintains
+// a complete video capture session feeding a ZBarCaptureReader and
+// presents the associated preview with symbol tracking annotations.
+
+@interface ZBarReaderView : UIView {
+    id<ZBarReaderViewDelegate> readerDelegate;
+    ZBarCaptureReader *captureReader;
+    CGRect scanCrop, effectiveCrop;
+    CGAffineTransform previewTransform;
+    CGFloat zoom, zoom0, maxZoom;
+    UIColor *trackingColor;
+    BOOL tracksSymbols, showsFPS;
+    NSInteger torchMode;
+    UIInterfaceOrientation interfaceOrientation;
+    NSTimeInterval animationDuration;
+
+    CALayer *preview, *overlay, *tracking, *cropLayer;
+    UIView *fpsView;
+    UILabel *fpsLabel;
+    UIPinchGestureRecognizer *pinch;
+    CGFloat imageScale;
+    CGSize imageSize;
+    BOOL started, running, locked;
+}
+
+// supply a pre-configured image scanner.
+- (id)initWithImageScanner:(ZBarImageScanner *)imageScanner;
+
+// start the video stream and barcode reader.
+- (void)start;
+
+// stop the video stream and barcode reader.
+- (void)stop;
+
+// clear the internal result cache
+- (void)flushCache;
+
+// compensate for device/camera/interface orientation
+- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)orient
+				duration:(NSTimeInterval)duration;
+
+// delegate is notified of decode results.
+@property (nonatomic, assign) id<ZBarReaderViewDelegate> readerDelegate;
+
+// access to image scanner for configuration.
+@property (nonatomic, readonly) ZBarImageScanner *scanner;
+
+// whether to display the tracking annotation for uncertain barcodes
+// (default YES).
+@property (nonatomic) BOOL tracksSymbols;
+
+// color of the tracking box (default green)
+@property (nonatomic, retain) UIColor *trackingColor;
+
+// enable pinch gesture recognition for zooming the preview/decode
+// (default YES).
+@property (nonatomic) BOOL allowsPinchZoom;
+
+// torch mode to set automatically (default Auto).
+@property (nonatomic) NSInteger torchMode;
+
+// whether to display the frame rate for debug/configuration
+// (default NO).
+@property (nonatomic) BOOL showsFPS;
+
+// zoom scale factor applied to video preview *and* scanCrop.
+// also updated by pinch-zoom gesture.  clipped to range [1,maxZoom],
+// defaults to 1.25
+@property (nonatomic) CGFloat zoom;
+- (void)setZoom:(CGFloat)zoom animated:(BOOL)animated;
+
+// maximum settable zoom factor.
+@property (nonatomic) CGFloat maxZoom;
+
+// the region of the image that will be scanned.  normalized coordinates.
+@property (nonatomic) CGRect scanCrop;
+
+// additional transform applied to video preview.
+// (NB *not* applied to scan crop)
+@property (nonatomic) CGAffineTransform previewTransform;
+
+// specify an alternate capture device.
+@property (nonatomic, retain) AVCaptureDevice *device;
+
+// direct access to the capture session.  warranty void if opened...
+@property (nonatomic, readonly) AVCaptureSession *session;
+@property (nonatomic, readonly) ZBarCaptureReader *captureReader;
+
+// this flag still works, but its use is deprecated
+@property (nonatomic) BOOL enableCache;
+
+@end