Added iOS implementation (tested on iOS7, iPhone 4S...)

2014-09-12 01:45:17 +08:00
parent 7cd7c40b8a
commit 9673bafefa
26 changed files with 4589 additions and 1 deletions
--- a/ios/ZBarSDK/ZBarReaderViewController.h
+++ b/ios/ZBarSDK/ZBarReaderViewController.h
@@ -0,0 +1,130 @@
+//------------------------------------------------------------------------
+//  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 "ZBarReaderController.h"
+
+// orientation set support
+#define ZBarOrientationMask(orient) (1 << orient)
+#define ZBarOrientationMaskAll \
+    (ZBarOrientationMask(UIInterfaceOrientationPortrait) | \
+     ZBarOrientationMask(UIInterfaceOrientationPortraitUpsideDown) | \
+     ZBarOrientationMask(UIInterfaceOrientationLandscapeLeft) | \
+     ZBarOrientationMask(UIInterfaceOrientationLandscapeRight))
+
+@class ZBarReaderView, ZBarCameraSimulator;
+
+// drop in video scanning replacement for ZBarReaderController.
+// this is a thin controller around a ZBarReaderView that adds the UI
+// controls and select functionality offered by ZBarReaderController.
+// Automatically falls back to a ZBarReaderController if video APIs
+// are unavailable (eg for OS < 4.0)
+
+@interface ZBarReaderViewController
+    : UIViewController
+{
+    ZBarImageScanner *scanner;
+    id <ZBarReaderDelegate> readerDelegate;
+    ZBarReaderView *readerView;
+    UIView *cameraOverlayView;
+    CGAffineTransform cameraViewTransform;
+    CGRect scanCrop;
+    NSUInteger supportedOrientationsMask;
+    UIImagePickerControllerCameraDevice cameraDevice;
+    UIImagePickerControllerCameraFlashMode cameraFlashMode;
+    UIImagePickerControllerQualityType videoQuality;
+    BOOL showsZBarControls, tracksSymbols, enableCache;
+
+    ZBarHelpController *helpController;
+    UIView *controls;
+    BOOL didHideStatusBar, rotating;
+    ZBarCameraSimulator *cameraSim;
+}
+
+// access to configure image scanner
+@property (nonatomic, readonly) ZBarImageScanner *scanner;
+
+// barcode result recipient
+@property (nonatomic, assign) id <ZBarReaderDelegate> readerDelegate;
+
+// whether to use alternate control set
+@property (nonatomic) BOOL showsZBarControls;
+
+// whether to show the green tracking box.  note that, even when
+// enabled, the box will only be visible when scanning EAN and I2/5.
+@property (nonatomic) BOOL tracksSymbols;
+
+// interface orientation support.  bit-mask of accepted orientations.
+// see eg ZBarOrientationMask() and ZBarOrientationMaskAll
+@property (nonatomic) NSUInteger supportedOrientationsMask;
+
+// crop images for scanning.  the image will be cropped to this
+// rectangle before scanning.  the rectangle is normalized to the
+// image size and aspect ratio; useful values will place the rectangle
+// between 0 and 1 on each axis, where the x-axis corresponds to the
+// image major axis.  defaults to the full image (0, 0, 1, 1).
+@property (nonatomic) CGRect scanCrop;
+
+// provide a custom overlay.  note that this can be used with
+// showsZBarControls enabled (but not if you want backward compatibility)
+@property (nonatomic, retain) UIView *cameraOverlayView;
+
+// transform applied to the preview image.
+@property (nonatomic) CGAffineTransform cameraViewTransform;
+
+// display the built-in help browser.  the argument will be passed to
+// the onZBarHelp() javascript function.
+- (void) showHelpWithReason: (NSString*) reason;
+
+// capture the next frame and send it over the usual delegate path.
+- (void) takePicture;
+
+// these attempt to emulate UIImagePickerController
+ (BOOL) isCameraDeviceAvailable: (UIImagePickerControllerCameraDevice) cameraDevice;
+ (BOOL) isFlashAvailableForCameraDevice: (UIImagePickerControllerCameraDevice) cameraDevice;
+ (NSArray*) availableCaptureModesForCameraDevice: (UIImagePickerControllerCameraDevice) cameraDevice;
+@property(nonatomic) UIImagePickerControllerCameraDevice cameraDevice;
+@property(nonatomic) UIImagePickerControllerCameraFlashMode cameraFlashMode;
+@property(nonatomic) UIImagePickerControllerCameraCaptureMode cameraCaptureMode;
+@property(nonatomic) UIImagePickerControllerQualityType videoQuality;
+
+// direct access to the ZBarReaderView
+@property (nonatomic, readonly) ZBarReaderView *readerView;
+
+// this flag still works, but its use is deprecated
+@property (nonatomic) BOOL enableCache;
+
+// these are present only for backward compatibility.
+// they will error if inappropriate/unsupported values are set
+@property (nonatomic) UIImagePickerControllerSourceType sourceType; // Camera
+@property (nonatomic) BOOL allowsEditing; // NO
+@property (nonatomic) BOOL allowsImageEditing; // NO
+@property (nonatomic) BOOL showsCameraControls; // NO
+@property (nonatomic) BOOL showsHelpOnFail; // ignored
+@property (nonatomic) ZBarReaderControllerCameraMode cameraMode; // Sampling
+@property (nonatomic) BOOL takesPicture; // NO
+@property (nonatomic) NSInteger maxScanDimension; // ignored
+
+ (BOOL) isSourceTypeAvailable: (UIImagePickerControllerSourceType) sourceType;
+
+@end