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Questions tagged [leadtools-sdk]

LEADTOOLS is a comprehensive set of imaging and multimedia SDKs for .NET, WinAPI, WinRT, Java, Linux, iOS, macOS, Android & HTML5. LEADTOOLS SDK includes support for OCR; OMR; Barcode; Forms Recognition & Processing; PDF; Document/Image Viewing, Conversion & Cleanup; Annotation; DICOM; PACS; 3D Volume; HL7; File Formats (150+); Image Compression & Processing; Color Conversion; Scanning/Capture; Printing; Audio/Video Codecs; MPEG-2; DVR; Streaming; & more.

What questions should have this tag?

Any question relating to the usage of any LEADTOOLS SDK. See below for more details.

More About LEADTOOLS SDK

LEAD Technologies is the developer and publisher of LEADTOOLS SDKs. LEADTOOLS SDKs are designed to help programmers integrate recognition, document, medical, imaging, and multimedia technologies into their desktop, server, web, and mobile applications. LEAD offers free LEADTOOLS technical support to ensure that developers using LEADTOOLS will be finished on time and on budget.

For more information or to download a free, fully functional evaluation SDK visit the LEADTOOLS Website

Additional LEADTOOLS Resources for Developers

Free, Fully Functional Evaluation SDK - Download the LEADTOOLS SDK and receive free technical support throughout your evaluation, development, and deployment of your solution.

Live Online Demos - Run live HTML5 / JavaScript demos.

Sample Programs and Examples - Get guidance for your application with thousands of code snippets, function examples, tutorials, and demo programs written for LEADTOOLS.

Apps for iOS, macOS, and Android - LEADTOOLS has published several of its demos as free application utilities to the App Store and Google Play.

Code Tips - Code tips, sample projects, and development FAQs.

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Append Multiple Images to a PDF Page with LEADTOOLS

Is there some way to add multiple (2, 3 or 4) images to the same page of a PDF file using the LEADTOOLS C API? The L_SaveBitmap() function takes a SAVEFILEOPTION parameter, where the PageNumber can be set, but setting this to a value greater than 1…
Constantine Georgiou
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how to resolve this error in xamarin.forms The type 'ObfuscationAttribute' exists in both

The type 'ObfuscationAttribute' exists in both 'Leadtools, Version=21.0.0.0, Culture=neutral, PublicKeyToken=9cf889f53ea9b907' and 'netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' I'm just installed…
Dev
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Scanned image always is 96 DPI

I'm trying to use the Leadtools API version 21 for automatically scanning some documents while setting some properties from code (do not want to show the TWAIN dialog). for example I set the scan DPI to 300 using L_TwainSetResolution(), but the…
Sam
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How to determine if a TWAIN Scanner is ADF/Flatbed, or Both

What is the best way to figure out if the current selected scanner is ADF/Flatbed, or Both using Leadtools SDK 20? I know I can use L_TwainGetCapability() and L_TwainSetCapability() with CAP_FEEDERENABLED to enable/disable the feeder if it is there,…
Sam
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Detecting the camera that scanned image belongs to

I'm using Leadtools 20 API to control the scanner and scan some documents. I have 2 questions.1 - When using L_TwainAcquire with a callback function that receives the images from the scanner and keeps returning SUCCESS to get the next image. Is…
Sam
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Creating an instance of Leadtools's AutoFormsEngine in Java

I'm trying to use the Leadtools's "Forms Recognition and Processing SDK" in a Java application. I have no problem creating an instance of RasterCodecs, OcrEngine (OcrEngineManager.createEngine), BarcodeEngine and DiskMasterFormsRepository. The last…
Sam
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How to set ReadBarcodes properly

I am trying to read a 3of9 barcode. 3of9 barcode Image the result that is giving me is inconstant but the location is still the same. (tried running that method multiple times same Image/barcode and same position) What I mean by inconstant is…
WagJohn
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LeadTools v20 HTML5 Document Viewer throws invalid file format error with Asp.Net Core backed Document Service Library in development mode

I'm using LeadTools v20 HTML5 Document Viewer with Asp.Net Core backed Document Service Library which was available in their examples project in the installation directory. This works fine with PDF files or other file formats mentioned in their…
fingers10
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im working on leadtools and trying to configure it to work on https

i'm using lead tools web scanner and trying to enable it to work on HTTPS. Blockquote can i get some help here
nik
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how can get text from table in pdf file?

I want to get text from table in PDF file? I cannot get cell in table. I was try to run example of Leadtools but it cannot auto detect cell. https://www.leadtools.com/help/leadtools/v20/dh/fo/iocrtablezonemanager.html Can you give me advice?…
denis bui
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Create movie from images c# using leadTools

I am trying to create movie from images. I am following following links : https://www.leadtools.com/support/forum/posts/t11084- // Here I am trying option 2 mentioned &…
Vipul_Langalia
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Leadtools Not enough memory available

I have to correct a bug where Leadtools function " L_LoadBitmap() returns ERROR_NO_MEMORY " , more info about it you can find Here. The application I am working on has to be able to handle images despites the size of each image or their count. Here…
Alexandru Pirlog
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Get Current Activity Xamarin forms

I used Leadtools SDK for Barcode reader , when i try to get current activity it gives me null This is my code Stream resourceStream = new MemoryStream(); // Droid.MainActivity activity = Forms.Context as Droid.MainActivity; var…
Amr Kamal
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leadtools.RasterException: Native Library Ltkrnx.dll already loaded in another classloader

I faced with the problem: Native Library Ltkrnx.dll already loaded in another classloader during redeploy application(tomcat 8 server). I also added check, but it's doesn't help me. private void loadLibrary(LTLibrary library) { if…
Andriy Chekhovych
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Image Created using GDI+ is not showing in VB6 LeadTools

We have legacy applications built using VB6. These applications are using lead-tools. Everything was perfectly working. We have another .NET process that optimizes the image (and do some water-marking) and save it in tiff format. Here is glimpse of…
Imran Qadir Baksh - Baloch
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