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Files To Be Included With Your Application

Files for redistribution are installed by the LEADTOOLS setup. For more information on the installation directory structure, refer to Installation Directory.

Legal Notices

Note: You may not copy or redistribute any of the following files without obtaining the proper license. In some cases, the license is included with your initial purchase of LEADTOOLS. In other cases, you must obtain a license from a third party or enter into a royalty agreement with LEAD to obtain the proper license. For these special licensing situations, see the notes below accompanying the specific file.

Note: You may not distribute the header files with your application, and you may not provide software development capabilities in your application.

LTKRN is required for ALL C API applications.

LTKRN and LTWVC are required for ALL C++ Class Library applications.

Note: Most of the LEADTOOLS Windows dlls are compiled with Visual Studio 2017 and are linked statically to the Microsoft Visual C++ 2017 Runtime.
The Microsoft Visual C++ 2017 Redistributable Package cannot be installed on some versions of Windows. For supported versions, see Choosing a Deployment Method and Update for Universal C Runtime in Windows . The Microsoft Visual C++ 2017 Runtime also requires the Windows Universal CRT library, which is distributed as part of Windows 10. For information on how to redistribute the universal CRT, see Introducing the Universal CRT. Only the following DLLs are compiled with requirements for specific versions of the Microsoft Visual C++ Runtime:

Note: The file names are the same for Win32 and x64. However, the actual binaries are different. For more information about distributing the Microsoft C/C++ runtime files, refer to: https://docs.microsoft.com/en-us/visualstudio/productinfo/2017-redistribution-vs.

The following table summarizes the files you must include with your distribution. Most files in the table are optional. These files are referred to as "Redistributables" in the License Agreement.

Engine Redistributables Win32 Platforms x64 Platforms LINUX Platforms
LEADTOOLS OCR Module - LEAD Engine LTOCR
Also requires:
LEADTOOLS OCR Module - LEAD Engine Runtime and OCR Output files.
DLL:
Ltocru.dll Library:
Ltocr_u.lib
DLL:
Ltocrx.dll Library:
Ltocr_x.lib
SO:
libltocr.so

OCR Output Files

The following files are required for OCR output:

Redistributables: Explanation: Win32 Platforms: x64 Platforms: LINUX Platforms:
LTDOCWRT OCR Output Support.
This dll is optional and required only for OCR output support. Also requires one or more of the following, depending on the file format.
DLL:
LtDocWrtu.dll
LtDocWrtTtfu.dll
DLL:
LtDocWrtrx.dll
LtDocWrtTtfx.dll
SO:
libltdocwrt.so
LTDOCWRTDOC Output to Microsoft Word 97-2013 Document Format. DLL:
LtDocWrtDocu.dll
DLL:
LtDocWrtDocx.dll
LTDOCWRTDOCX Output to Microsoft Document Format. DLL:
LtDocWrtDocXu.dll
DLL:
LtDocWrtDocXx.dll
LTDOCWRTEMF Output to Windows Enhanced Metafile format. DLL:
LtDocWrtEmfu.dll
DLL:
LtDocWrtEmfx.dll
LTDOCWRTHTM Output to HTML format. DLL:
LtDocWrtHtmu.dll
DLL:
LtDocWrtHtmx.dll
LTDOCWRTPDF Output to PDF and PDF/A formats. DLL:
LtDocWrtPdfu.dll
DLL:
LtDocWrtPdfx.dll
LTDOCWRTRTF Output to Rich Text Format. DLL:
LtDocWrtRtfu.dll
DLL:
LtDocWrtRtfx.dll
LTDOCWRTTXT Output to plain text format. DLL:
LtDocWrtTxtu.dll
DLL:
LtDocWrtTxtx.dll
LTDOCWRTXLS Output to MS Excel format. DLL:
LtDocWrtXlsu.dll
DLL:
LtDocWrtXlsx.dll
LTDOCWRTXPS Output to Open XML Paper Specification format. DLL:
LtDocWrtXpsu.dll
DLL:
LtDocWrtXpsx.dll

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LEADTOOLS OCR Module - LEAD Engine C API Help