×
MENU
Documentation
Table of contents

Thanks for downloading Dynamsoft Label Recognition Package!

Your download will start shortly. If your download does not begin, click here to retry.

C++ API Reference - Recognizing

Method Description
RecognizeByBuffer Recognizes text from memory buffer containing image pixels in defined format.
RecognizeByFile Recognizes text from a specified image file.

RecognizeByBuffer

Recognizes text from the memory buffer containing image pixels in defined format.

int dynamsoft::dlr::CLabelRecognition::RecognizeByBuffer(const DLRImageData* imageData, const char* templateName)

Parameters

[in] imageData A struct of DLRImageData that represents an image.
[in] templateName The template name. A template name is the value of key LabelRecognitionParameter.Name defined in JSON formatted settings. If no template name is specified, current runtime settings will be used.

Return value

Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString to get detailed error message.

Code Snippet

CLabelRecognition* recognizer = new CLabelRecognition();
recognizer->InitLicense("t0260NwAAAHV***************");
//Generate imageData from somewhere else
int errorCode = recognizer->RecognizeByBuffer(imageData, "");
delete recognizer;

 

RecognizeByFile

Recognizes text from a specified image file.

int dynamsoft::dlr::CLabelRecognition::RecognizeByFile (const char* fileName, const char* templateName)	

Parameters

[in] fileName A string defining the file name.
[in] templateName The template name. A template name is the value of key LabelRecognitionParameter.Name defined in JSON formatted settings. If no template name is specified, current runtime settings will be used.

Return value

Returns error code (returns 0 if the function operates successfully).
You can call GetErrorString to get detailed error message.

Code Snippet

CLabelRecognition* recognizer = new CLabelRecognition();
recognizer->InitLicense("t0260NwAAAHV***************");
int errorCode = recognizer->RecognizeByFile("C:\\Program Files (x86)\\Dynamsoft\\{Version number}\\Images\\AllSupportedBarcodeTypes.tif", "");
delete recognizer;

 

This page is compatible for:

Version 7.5

Is this page helpful?

YesYes NoNo

In this article:

latest version

    • Latest Version
    Change +
    © 2003–2020 Dynamsoft. All rights reserved.
    Privacy Statement / Site Map / Home / Purchase / Support