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Diffstat (limited to 'iphone/include/ZBarSDK/ZBarReaderViewController.h')
| -rw-r--r-- | iphone/include/ZBarSDK/ZBarReaderViewController.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/iphone/include/ZBarSDK/ZBarReaderViewController.h b/iphone/include/ZBarSDK/ZBarReaderViewController.h new file mode 100644 index 0000000..643ff1e --- /dev/null +++ b/iphone/include/ZBarSDK/ZBarReaderViewController.h @@ -0,0 +1,132 @@ +//------------------------------------------------------------------------ +// 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, *shutter; + 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 |