#include "ltocr.h"
L_LTOCR_API L_INT EXT_FUNCTION L_OcrEngine_GetLanguageManager(engine, languageManager)
Returns a handle to the OCR engine language manager.
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:
Required DLLs and Libraries
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 engine
L_OcrEngineManager_CreateEngine(L_OcrEngineType_Advantage, &ocrEngine);
// Start the engine using default parameters
L_OcrEngine_Startup(ocrEngine, NULL, OCR_ADVANTAGE_RUNTIME_DIR);
// Get the OCR Language Manager
L_OcrEngine_GetLanguageManager(ocrEngine, &languageManager);
// Show languages supported by this engine
L_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 language
L_TCHAR szLanguageName[20];
L_OcrLanguageManager_GetLanguageName(supportedLanguages[index], szLanguageName, _countof(szLanguageName));
std::cout << szLanguageName << std::endl;
}
// free supportedLanguages
L_OcrMemory_Free(supportedLanguages);
// Show engine additional supported languages that you might want to download and use
L_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 language
L_TCHAR szLanguageName[20];
L_OcrLanguageManager_GetLanguageName(additionalLanguages[index], szLanguageName, _countof(szLanguageName));
std::cout << szLanguageName << std::endl;
}
// free additionalLanguages
L_OcrMemory_Free(additionalLanguages);
// Show enabled languages by this engine
L_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 language
L_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 language
L_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 enabledLanguages
L_OcrMemory_Free(enabledLanguages);
//CLEANUP
L_OcrEngine_Destroy(ocrEngine);
return SUCCESS;
}