Returns a handle to the OCR engine language manager.
#include "ltocr.h"
L_LTOCR_API L_INT EXT_FUNCTION L_OcrEngine_GetLanguageManager(engine, languageManager)
Handle to the OCR engine.
Pointer to a L_OcrLanguageManager handle to be updated.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
This function returns a handle to the OCR engine language manager where you get access to the language environment of the character sets used by this OCR engine.
The L_OcrLanguageManager allows you to do the following:
L_INT L_OcrEngine_GetLanguageManagerExample(){L_OcrEngine ocrEngine = NULL;L_OcrLanguageManager languageManager = NULL;L_OcrLanguage* supportedLanguages = NULL;L_OcrLanguage* additionalLanguages = NULL;L_OcrLanguage* enabledLanguages = NULL;L_UINT languageCount = 0;// Create an instance of the engineL_OcrEngineManager_CreateEngine(L_OcrEngineType_LEAD, &ocrEngine);// Start the engine using default parametersL_OcrEngine_Startup(ocrEngine, NULL, OCR_LEAD_RUNTIME_DIR);// Get the OCR Language ManagerL_OcrEngine_GetLanguageManager(ocrEngine, &languageManager);// Show languages supported by this engineL_OcrLanguageManager_GetSupportedLanguages(languageManager, &supportedLanguages, &languageCount);std::cout << "Supported languages (" << languageCount << "):\n";for(L_UINT index = 0; index < languageCount; index++){// Print the language name of this languageL_TCHAR szLanguageName[20];L_OcrLanguageManager_GetLanguageName(supportedLanguages[index], szLanguageName, _countof(szLanguageName));std::cout << szLanguageName << std::endl;}// free supportedLanguagesL_OcrMemory_Free(supportedLanguages);// Show engine additional supported languages that you might want to download and useL_UINT additionalLanguagesCount = 0;L_OcrLanguageManager_GetAdditionalLanguages(languageManager, &additionalLanguages, &additionalLanguagesCount);std::cout << "Additional languages (" << additionalLanguagesCount << "):\n";for(L_UINT index = 0; index < additionalLanguagesCount; index++){// Print the language name of this languageL_TCHAR szLanguageName[20];L_OcrLanguageManager_GetLanguageName(additionalLanguages[index], szLanguageName, _countof(szLanguageName));std::cout << szLanguageName << std::endl;}// free additionalLanguagesL_OcrMemory_Free(additionalLanguages);// Show enabled languages by this engineL_OcrLanguageManager_GetEnabledLanguages(languageManager, &enabledLanguages, &languageCount);std::cout << std::endl;std::cout << "Enabled languages (" << languageCount << "):\n";for(L_UINT index = 0; index < languageCount; index++){// Print the language name of this languageL_TCHAR szLanguageName[20];L_OcrLanguageManager_GetLanguageName(supportedLanguages[index], szLanguageName, _countof(szLanguageName));std::cout << szLanguageName << std::endl;// If you have the language name and wish to get its values you can call the below function:L_OcrLanguage languageValue = L_OcrLanguage_None;L_OcrLanguageManager_GetLanguageValue(szLanguageName, &languageValue);}// Try to enable the English languageL_INT ret = L_OcrLanguageManager_IsLanguageSupported(languageManager, L_OcrLanguage_EN);if(ret == SUCCESS){L_OcrLanguage languagesToEnable[1] = { L_OcrLanguage_EN };L_OcrLanguageManager_EnableLanguages(languageManager, languagesToEnable, 1);}// Do the rest of your stuff here, Load image, recognize and save// free enabledLanguagesL_OcrMemory_Free(enabledLanguages);//CLEANUPL_OcrEngine_Destroy(ocrEngine);return SUCCESS;}