| Name | Description |
|---|---|
| GetNumberOfPagesInImageFile | Returns the number of pages in an image file. |
| InjectTextLayer | Processes the input PDF file and creates a searchable PDF file of the “image on text” type which contains the same page images and the text layer created from the recognized text. |
| IsPdfPortfolio | Determines if a PDF file is a PDF Portfolio. |
| IsPdfPortfolioFromStream | Determines if a PDF file added from the stream is a PDF Portfolio. |
| IsPdfWithTextualContent | Determines if any of the pages of a PDF file contains text layer. |
| IsPdfWithTextualContentFromStream | Determines if any of the pages of a PDF file added from the stream contains text layer. |
| LoadImageDoc | Restores the contents of the ImageDocument object from the folder on disk. |
| LoadImageDocFromFile | Restores the contents of the ImageDocument object from the file previously saved with the help of the IImageDocument::SaveToFile method. |
| LoadImageDocFromMemory <Note> Available for Windows. </Note> | Restores the contents of the ImageDocument object from the global memory, where it was previously saved by the IImageDocument::SaveToMemory method. |
| OpenBitmap | Opens the specified bitmap image (HBITMAP). <Note> Not implemented for Linux and macOS. </Note> |
| OpenBitmapBits | Opens the specified bitmap data. <Note> Not implemented for Linux and macOS. </Note> |
| OpenDib | Opens the specified device-independent bitmap. <Note> Not implemented for Linux and macOS. </Note> |
| OpenImageFileFromMemory | Opens an image file from the global memory, where it was previously loaded by the user. |
| PrepareBitmap | Creates a copy of the specified bitmap image (HBITMAP) in FineReader Engine internal image format. <Note> Not implemented for Linux and macOS. </Note> |
| PrepareBitmapBits | Creates a copy of the specified bitmap data in FineReader Engine internal image format. <Note> Not implemented for Linux and macOS. </Note> |
| PrepareDib | Creates a copy of the specified device-independent bitmap in FineReader Engine internal image format. <Note> Not implemented for Linux and macOS. </Note> |
| RecognizeImageFile | Opens the specified image file, performs its preprocessing, layout analysis, recognition, page and document synthesis, and exports the recognized text into the selected output format. |
Processing Methods
Processing Methods of the Engine Object
The Engine object exposes a set of processing methods. They are used to open and convert image files or bitmaps (win), or process an image/PDF file directly. However, using the methods of the FRDocument object is more convenient in most scenarios.
CreateLayoutFromStream Method of the Engine Object
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GetNumberOfPagesInImageFile Method of the Engine Object
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