Adding upstream version 0.23.93.upstream/0.23.93upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 139 insertions, 0 deletions

diff --git a/iphone/include/ZBarSDK/ZBarReaderController.h b/iphone/include/ZBarSDK/ZBarReaderController.h
new file mode 100644
index 0000000..84015b1
--- /dev/null
+++ b/iphone/include/ZBarSDK/ZBarReaderController.h
@@ -0,0 +1,139 @@
+//------------------------------------------------------------------------
+//  Copyright 2009-2010 (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"
+
+#ifdef __cplusplus
+using namespace zbar;
+#endif
+
+typedef enum
+{
+    // default interface provided by UIImagePickerController - user manually
+    // captures an image by pressing a button
+    ZBarReaderControllerCameraModeDefault = 0,
+
+    // automatically scan by taking screenshots with UIGetScreenImage().
+    // resolution is limited by the screen, so this is inappropriate for
+    // longer codes
+    ZBarReaderControllerCameraModeSampling,
+
+    // automatically scan by rapidly taking pictures with takePicture.
+    // tradeoff resolution with frame rate by adjusting the crop, and size
+    // properties of the reader along with the density configs of the image
+    // scanner
+    ZBarReaderControllerCameraModeSequence,
+
+} ZBarReaderControllerCameraMode;
+
+@class ZBarReaderController, ZBarHelpController;
+
+@protocol ZBarReaderDelegate <UIImagePickerControllerDelegate>
+@optional
+
+// called when no barcode is found in an image selected by the user.
+// if retry is NO, the delegate *must* dismiss the controller
+- (void)readerControllerDidFailToRead:(ZBarReaderController *)reader
+			    withRetry:(BOOL)retry;
+
+@end
+
+@interface ZBarReaderController
+    : UIImagePickerController <UINavigationControllerDelegate,
+			       UIImagePickerControllerDelegate> {
+    ZBarImageScanner *scanner;
+    ZBarHelpController *help;
+    UIView *overlay, *boxView;
+    CALayer *boxLayer;
+
+    UIToolbar *toolbar;
+    UIBarButtonItem *cancelBtn, *scanBtn, *space[3];
+    UIButton *infoBtn;
+
+    id<ZBarReaderDelegate> readerDelegate;
+    BOOL showsZBarControls, showsHelpOnFail, takesPicture, enableCache;
+    ZBarReaderControllerCameraMode cameraMode;
+    CGRect scanCrop;
+    NSInteger maxScanDimension;
+
+    BOOL hasOverlay, sampling;
+    uint64_t t_frame;
+    double dt_frame;
+
+    ZBarSymbol *symbol;
+}
+
+// access to configure image scanner
+@property (readonly, nonatomic) ZBarImageScanner *scanner;
+
+// barcode result recipient (NB don't use delegate)
+@property (nonatomic, assign) id<ZBarReaderDelegate> readerDelegate;
+
+// whether to use alternate control set
+@property (nonatomic) BOOL showsZBarControls;
+
+// whether to display helpful information when decoding fails
+@property (nonatomic) BOOL showsHelpOnFail;
+
+// how to use the camera (when sourceType == Camera)
+@property (nonatomic) ZBarReaderControllerCameraMode cameraMode;
+
+// whether to outline symbols with the green tracking box.
+@property (nonatomic) BOOL tracksSymbols;
+
+// whether to automatically take a full picture when a barcode is detected
+// (when cameraMode == Sampling)
+@property (nonatomic) BOOL takesPicture;
+
+// whether to use the "cache" for realtime modes (default YES).  this can be
+// used to safely disable the inter-frame consistency and duplicate checks,
+// speeding up recognition, iff:
+//     1. the controller is dismissed when a barcode is read and
+//     2. unreliable symbologies are disabled (all EAN/UPC variants and I2/5)
+@property (nonatomic) BOOL enableCache;
+
+// crop images for scanning.  the original 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;
+
+// scale image to scan.  after cropping, the image will be scaled if
+// necessary, such that neither of its dimensions exceed this value.
+// defaults to 640.
+@property (nonatomic) NSInteger maxScanDimension;
+
+// display the built-in help browser.  for use with custom overlays if
+// you don't also want to create your own help view.  only send this
+// message when the reader is displayed.  the argument will be passed
+// to the onZBarHelp() javascript function.
+- (void)showHelpWithReason:(NSString *)reason;
+
+// direct scanner interface - scan UIImage and return something enumerable
+- (id<NSFastEnumeration>)scanImage:(CGImageRef)image;
+
+@end
+
+extern NSString *const ZBarReaderControllerResults;