public delegate bool BarCodeReadPreprocessCallback(
RasterImage binarizedImage,
LeadRect barcodeZone
)
typedef BOOL (^LTBarCodeReadPreprocessCallback)(LTRasterImage * __null_unspecified binarizedImage, LeadRect barcodeZone)
- (BOOL)run:(LTRasterImage *)image
progress:(nullable LTRasterCommandProgress)progressHandler
preprocess:(nullable LTBarCodeReadPreprocessCallback)preprocessCallback
error:(NSError **)error
public void removePreprocessListener()
public void setPreprocessListener(BarCodeReadPreprocessListener value)
public delegate bool BarCodeReadPreprocessCallback(
RasterImage^ binarizedImage,
LeadRect barcodeZone
)
binarizedImage
A RasterImage that represents the Barcode Read Preprocessed (Binarized) image.
barcodeZone
A LeadRect that represents the zone in the image where barcode data has been found.
true to continue, false to abort.
Barcode analyzer engine generates eight deblurring possibilities of the processed image. If barcode reader does not find barcode data, this callback should return a false value in order to get the next deblurred image, otherwise true value should be returned.
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.