The LEADTOOLS Document Converter allows you to convert files between any of 150+ file formats that the LEADTOOLS SDK supports. (Yes, you read that right. Our toolkit offers unparalleled format support). With the use of Intelligent OCR (where the LEAD OCR engine is only used when needed), you can easily convert images to documents, documents to images, images to images, and documents to documents; all using the same code.
The Document Converter works with files from a file path or a memory stream. Using memory streams is ideal for applications that are processing files that are stored in blob storage or a database. This is also useful in cloud-based deployments where file system storage is expensive and unreliable.
Below is a C# code sample to import and export files using streams with the LEADTOOLS Document Converter.
C#
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD))
using (DocumentConverter docConverter = new DocumentConverter())
{
ocrEngine.Startup(null, null, null, @"C:\LEADTOOLS22\Bin\Common\OcrLEADRuntime");
docConverter.SetOcrEngineInstance(ocrEngine, false);
string filename = @"FILE PATH TO INPUT FILE";
byte[] bytes = File.ReadAllBytes(filename);
var inputStream = new MemoryStream(bytes);
LEADDocument loadedDocument = DocumentFactory.LoadFromStream(inputStream, new LoadDocumentOptions { UseCache = false });
var outStream = new MemoryStream();
var job = docConverter.Jobs.CreateJob(new DocumentConverterJobData
{
Document = loadedDocument,
DocumentFormat = Leadtools.Document.Writer.DocumentFormat.Pdf,
OutputDocumentStream = outStream
});
docConverter.Jobs.RunJob(job);
}
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