Classes
The following classes are available globally.
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The output configuration for a camera session.
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Objective-C
@interface GSKCameraSessionConfiguration : NSObject
Swift
class GSKCameraSessionConfiguration : NSObject
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The GSKCameraSession class manages the interactions with the device camera.
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Objective-C
@interface GSKCameraSession : NSObject
Swift
class GSKCameraSession : NSObject
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A GSKCameraViewController is a ready-to-use camera interface for scanning documents.
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Objective-C
@interface GSKCameraViewController : UIViewController <GSKCameraSessionDelegate>
Swift
class GSKCameraViewController : UIViewController, GSKCameraSessionDelegate
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Entry point of the SDK. Use this to initialize the SDK with your license key.
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Objective-C
@interface GSK : NSObject
Swift
class GSK : NSObject
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GSKPDF encapsulate the generation of a PDF document.
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Objective-C
@interface GSKPDF : NSObject
Swift
class GSKPDF : NSObject
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GSKTIFF encapsulate the generation of a TIFF document.
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Objective-C
@interface GSKTIFF : NSObject
Swift
class GSKTIFF : NSObject
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Undocumented
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Objective-C
@interface GSKDocumentDetectorConfiguration: NSObject + (instancetype)defaultConfiguration; /** A configuration that favors speed over precision. */ + (instancetype)fastConfiguration; /** A configuration that favors precision over speed. */ + (instancetype)highPrecisionConfiguration; @end
Swift
class GSKDocumentDetectorConfiguration : NSObject
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The result of the quadrangle detection operation.
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Objective-C
@interface GSKDocumentDetectionResult : NSObject
Swift
class GSKDocumentDetectionResult : NSObject
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- Performance: A document detector can be expensive to create: it’s recommended to keep a reference to it if it’s needed several times in a row.
Declaration
Objective-C
@interface GSKDocumentDetector : NSObject
Swift
class GSKDocumentDetector : NSObject
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The view to edit the quadrangle to edit the perspective correction.
It displays an editable quadrangle overlaid on the original image.
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Objective-C
@interface GSKEditFrameView : UIView
Swift
class GSKEditFrameView : UIView
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The GSKEditFrameViewController lets the user change a quadrangle.
The quadrangle is a drawn as an overlay over an image. This typically lets the user edit the edges of a document to crop it more accurately.
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Objective-C
@interface GSKEditFrameViewController : UIViewController
Swift
class GSKEditFrameViewController : UIViewController
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Undocumented
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Objective-C
@interface GSKEditableFrame : UIView @property (nonatomic, strong) GSKQuadrangle *quadrangle; @property (nonatomic, weak, nullable) id <GSKEditableFrameDelegate> delegate; /** The color of the area outside of the quadrangle. */ @property (nonatomic, copy) UIColor *outsideShadeColor; /** The color of the area inside of the quadrangle. */ @property (nonatomic, copy) UIColor *insideShadeColor; /** The color of the area inside of the quadrangle. */ @property (nonatomic, copy) UIColor *shadeColor DEPRECATED_MSG_ATTRIBUTE("Deprecated in favor of `insideShadeColor`."); /** The color of the edges and grid lines. */ @property (nonatomic, copy) UIColor *lineColor; /** The width of the handle that signify that corners can be dragged. Default: 5 */ @property (nonatomic, assign) CGFloat handleWidth; @property (nonatomic, assign) BOOL noCrop; @end
Swift
class GSKEditableFrame : UIView
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An object to control the logging of the Genius Scan SDK.
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Objective-C
@interface GSKLog : NSObject
Swift
class GSKLog : NSObject
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Undocumented
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Objective-C
@interface GSKMagnifierView : UIView /** The style of the crosshair */ @property (nonatomic, assign) GSKMagnifierViewCenterStyle centerStyle; /** Default line width for the crosshair. */ @property (nonatomic, assign) CGFloat crosshairLineWidth; /** Default line width for the quadrangle. */ @property (nonatomic, assign) CGFloat quadrangleLineWidth; /** The color of the quadrangle crosshair. This only applies when the crosshair is of style GSKMagnifierCrosshairStyleQuadrangle. */ @property (nonatomic, copy) UIColor *quadrangleColor; - (void)setSourceImage:(UIImage *)sourceImage; - (void)setSourceImagePosition:(CGPoint)position quadrangle:(GSKQuadrangle *)quadrangle; @end
Swift
class GSKMagnifierView : UIView
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Describes the structure of a PDF document for the PDF generator.
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Objective-C
@interface GSKPDFDocument : NSObject
Swift
class GSKPDFDocument : NSObject
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A configuration for the PDF generator
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Objective-C
@interface GSKPDFGeneratorConfiguration : NSObject
Swift
class GSKPDFGeneratorConfiguration : NSObject
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Undocumented
Declaration
Objective-C
@interface GSKPDFNoopImageProcessor : NSObject <GSKPDFImageProcessor> @end
Swift
class GSKPDFNoopImageProcessor : NSObject, GSKPDFImageProcessor
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Describes a page of a PDF document for the PDF generator.
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Objective-C
@interface GSKPDFPage : NSObject
Swift
class GSKPDFPage : NSObject
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Physical size of a PDF page in inches. If the aspect ratio doesn’t match the aspect ratio of the page in pixels, margins will be added on both sides of the page image. If 0 is provided for the width or height, it is computed to match the aspect ratio of the image. Eg, for a receipt, we usually use width = 3.54f and height = 0.
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Objective-C
@interface GSKPDFSize : NSObject
Swift
class GSKPDFSize : NSObject
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Represents a quadrangular area of the photo, generally the document for which to correct the perspective.
A quadrangle should always be expressed in the coordinates of the “up” image
A normalized quadrangle: corners expressed in fraction of the image dimensions. Each coordinate will be a floating point between 0 and 1.
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Objective-C
@interface GSKQuadrangle : NSObject
Swift
class GSKQuadrangle : NSObject
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A scan, the result of the camera output. It encapsulates a simple file path as well as additional information on the capture.
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Objective-C
@interface GSKScan : NSObject
Swift
class GSKScan : NSObject
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A GSKCurvatureCorrectionConfiguration defines the behavior of a GSKScanProcessor when applying curvature correction.
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Objective-C
@interface GSKCurvatureCorrectionConfiguration : NSObject
Swift
class GSKCurvatureCorrectionConfiguration : NSObject
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A GSKPerspectiveCorrectionConfiguration defines the behavior of a GSKScanProcessor when applying perspective correction.
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Objective-C
@interface GSKPerspectiveCorrectionConfiguration : NSObject
Swift
class GSKPerspectiveCorrectionConfiguration : NSObject
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A GSKEnhancementConfiguration defines the behavior of a GSKScanProcessor when applying legibility enhancements.
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Objective-C
@interface GSKEnhancementConfiguration : NSObject
Swift
class GSKEnhancementConfiguration : NSObject
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A GSKRotationConfiguration defines the behavior of a GSKScanProcessor when rotating the processed image.
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Objective-C
@interface GSKRotationConfiguration : NSObject
Swift
class GSKRotationConfiguration : NSObject
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A GSKResizeConfiguration defines the behavior of a GSKScanProcessor when resizing the processed image.
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Objective-C
@interface GSKResizeConfiguration : NSObject
Swift
class GSKResizeConfiguration : NSObject
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A configuration that defines the output of the processing.
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Objective-C
@interface GSKOutputConfiguration : NSObject
Swift
class GSKOutputConfiguration : NSObject
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Undocumented
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Objective-C
@interface GSKProcessingResult: NSObject /// The output file. /// It's located in the temporary directory, so you need to move it to a permanent destination. @property (nonatomic, readonly) NSString *processedImagePath; /// The quadrangle that was used for perspective correction @property (nonatomic, strong, readonly) GSKQuadrangle *appliedQuadrangle; /// The filter that was applied during the enhancement phase @property (nonatomic, assign, readonly) GSKFilterType appliedFilter; /** The rotation applied during the rotation phase. If you specified a rotation angle as part of GSKRotationConfiguration, you will get this angle back here. If you requested an automatic orientation detection as part of the GSKRotationConfiguration, appliedRotation will correspond the rotation applied by the SDK to rotate the image according to the estimated orientation. Note: The output of the processing is always an up-oriented image, even if the original image had an EXIF orientation (see UIImage's imageOrientation property). `appliedRotation` doesn't include the rotation applied to the image buffer to remove the EXIF information. The `appliedRotation` only includes the "visual" rotation needed to display the image to the user: - If the input image imageOrientation is UIImageOrientationUp, and you request a clockwise rotation, appliedRotation will be GSKRotationClockwise. - If the input image imageOrientation is UIImageOrientationUp, and you request an automatic rotation, which detects that the image must be rotated clockwise to look "straight", appliedRotation will be GSKRotationClockwise. - If the input image imageOrientation is UIImageOrientationRight, and you request a clockwise rotation, appliedRotation will be GSKRotationClockwise. The output image orientation will be UIImageOrientationUp. - If the input image imageOrientation is UIImageOrientationUp, and you request an automatic rotation, which detects that the image must be rotated clockwise to look "straight", appliedRotation will be GSKRotationClockwise. The output image orientation will be UIImageOrientationUp. */ @property (nonatomic, assign, readonly) GSKRotation appliedRotation; @end
Swift
class GSKProcessingResult : NSObject
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The result of a resizing operation
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Objective-C
@interface GSKResizeResult : NSObject
Swift
class GSKResizeResult : NSObject
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The configuration object to configure the GSKProcessor’s behavior.
You can use the default constructors.
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Objective-C
@interface GSKProcessingConfiguration : NSObject
Swift
class GSKProcessingConfiguration : NSObject
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The document processor is the central class of the GSSDK’s image processing algorithms.
With the document processor, you can correct the distortion in your documents, as well as improve their legibility. If you are only interested in the detecting a document in an image, please refer to GSKDocumentDetector.
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Objective-C
@interface GSKScanProcessor : NSObject
Swift
class GSKScanProcessor : NSObject
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A view to simulate a camera shutter effect.
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Objective-C
@interface GSKShutterView : UIView
Swift
class GSKShutterView : UIView
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The text layout of a scan
This is part of the output of the OCR recognition, but can also be part of the input of the PDF generation.
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Objective-C
@interface GSKTextLayout : NSObject
Swift
class GSKTextLayout : NSObject
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Converts a text layout to its textual representation
The goal is to properly recreate lines, paragraphs etc.
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Objective-C
@interface GSKTextLayoutToTextConverter : NSObject
Swift
class GSKTextLayoutToTextConverter : NSObject
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Undocumented
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Objective-C
@interface GSKTextLayoutToTextConverterResult : NSObject - (nonnull instancetype)initWithStatus:(GSKTextLayoutToTextConverterStatus)status text:(nonnull NSString *)text averageWordConfidence:(int32_t)averageWordConfidence wordCount:(int32_t)wordCount; + (nonnull instancetype)textLayoutToTextConverterResultWithStatus:(GSKTextLayoutToTextConverterStatus)status text:(nonnull NSString *)text averageWordConfidence:(int32_t)averageWordConfidence wordCount:(int32_t)wordCount; /** The status of the conversion. If failure, the other values in the result must not be used. */ @property (nonatomic, readonly) GSKTextLayoutToTextConverterStatus status; /** The text reconstructed from the text layout. */ @property (nonatomic, readonly, nonnull) NSString * text; /** * The average word confidence of the recognized text. * A value between 0 and 100 */ @property (nonatomic, readonly) int32_t averageWordConfidence; /** * The number of words in the recognized text. * This is the number of words on which the average word confidence has been computed. */ @property (nonatomic, readonly) int32_t wordCount; @end
Swift
class GSKTextLayoutToTextConverterResult : NSObject
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An object to determine when there is enough stability to trigger a photo.
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Objective-C
@interface GSKTriggerDecider : NSObject
Swift
class GSKTriggerDecider : NSObject
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Undocumented
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Objective-C
@interface GSKView : UIView // Handle interface orientation change - (void)initializeRotationWithInterfaceOrientation:(UIInterfaceOrientation)orientation; - (void)rotateWithCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator; // Displays the focus indicator at the requested location - (void)animateFocusAtLocation:(CGPoint)location; /// Updates the quadrangle overlay. Removes the quadrangle if @param quadrangle is nil. - (void)updateQuadrangle:(GSKQuadrangle *)quadrangle; - (void)setCaptureSession:(AVCaptureSession *)session; /** Freeze the capture preview. This is very fast as this doesn't interrupt the camera session. */ - (void)pausePreview; /** Resumes the capture preview. */ - (void)resumePreview; @property (nonatomic, readonly) UIView *previewView; /** The document frame layer */ @property (nonatomic, readonly) CAShapeLayer *frameLayer; @property (nonatomic, readonly) CAShapeLayer *snapFrameLayer; @property (nonatomic, copy) UIColor *overlayColor; @property (nonatomic, weak) id <GSCViewDelegate> delegate; @end
Swift
class GSKView : UIView
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The result of an OCR operation.
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Objective-C
@interface GSKOCRResult : NSObject
Swift
class GSKOCRResult : NSObject
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The configuration for an OCR operation
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Objective-C
@interface GSKOCRConfiguration : NSObject
Swift
class GSKOCRConfiguration : NSObject
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Provides OCR capability for your application.
Warning
The SDK must be initialized with [GSK initWithLicenseKey:error:] first.Declaration
Objective-C
@interface GSKOCR : NSObject
Swift
class GSKOCR : NSObject
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The configuration for text recognition
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Objective-C
@interface GSKScanFlowOCRConfiguration : NSObject
Swift
class GSKScanFlowOCRConfiguration : NSObject
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Enables configuration of the GSKScanFlow.
Set the desired configuration on an instance of GSKScanFlowConfiguration and pass it to the initializer of GSKScanFlow to build the desired scan flow.
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Objective-C
@interface GSKScanFlowConfiguration : NSObject
Swift
class GSKScanFlowConfiguration : NSObject
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The result of the text recognition.
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Objective-C
@interface GSKScanFlowOCRResult : NSObject
Swift
class GSKScanFlowOCRResult : NSObject
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A page captured by the scan flow.
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Objective-C
@interface GSKScanFlowScan : NSObject
Swift
class GSKScanFlowScan : NSObject
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The result of a scan flow
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Objective-C
@interface GSKScanFlowResult : NSObject
Swift
class GSKScanFlowResult : NSObject
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A high-level scanner module.
You present it and when the user is done, you obtain a result object containing the scanned documents.
The scan flow can be customized with a GSKScanFlowConfiguration.
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Objective-C
@interface GSKScanFlow : NSObject
Swift
class GSKScanFlow : NSObject
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The output result from the scan flow.
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Objective-C
@interface GSKScanFlowScanInternal : NSObject
Swift
class GSKScanFlowScanInternal : NSObject