ImageGear PDF v25.2 introduces the following features and improvements:
Added new sample OCR Image PDF that illustrates how to recognize Image PDF and save as PDF File with image over text.
Added a PDFToText sample that shows how to extract text from any PDF file.
Fixed an issue where loading a password-protected PDF requested the password more than once.
Fixed an issue with black pixels being discarded when the ImGearProcessing.Resize method is called using the default interpolation options for PRESERVE_BLACK.
Added error handling for importing Art pages with unnamed groups.
Fixed an issue where calls to ImGearOcrImage.Preprocess could modify the original image (instead of the internal copy) in some circumstances.
Fixed an issue that occurred when loading a TIFF file with incorrect resolution units.
Fixed an issue that caused certain non-displayable characters (for example, carriage returns) to display as missing glyphs in multiline AcroForm text fields.
Updated an internal OCR library to fix an issue where attempting to recognize very large raster images resulted in an exception. This update also improves whitespace detection to address an issue where spaces were incorrectly inserted or ignored. See also Known Issues.
When calling ImGearPdf.Initialize(), an access violation occurs if the DL150PDFL.dll binary dependency included with previous versions of ImageGear is mixed in with the current distribution. Ensure that the ImageGear bin folder or application working directory does not contain DL150PDFL.dll after upgrading to ImageGear Version 25.2.
When creating PDF pages from OCR results with ImGearOCRPage.CreatePDFPage(), misidentified font style can result in visual differences between the original image and resulting PDF page. This outcome is less evident for "Image Over Text" PDF created with ImGearOCRPDFOutputOptions.VisibleImage set to true and ImGearOCRPDFOutputOptions.VisibleText set to false.
ImageGear PDF v25.1 introduces the following features and improvements:
Split installation packages into separate versions for x86 and x64 to reduce the size of the download.
Added a FontAttribute property to the ImGearOCRLetter class, which provides style information about the recognized character.
Added CapitalLetterHeight and FontSize attributes to the ImGearOCRLetter class to provide more detailed information about text size and positioning.
The ImGearOCRPage.CreatePDFPage method now attempts to reproduce monospace, sans serif, italic, and bold text when those properties are detected on the input image.
When using ImGearOCRDirectTextFormat.XmlWithCoordinates, the ImGearOCR.WriteDirectText method now includes boolean "italic" and/or "bold" attributes on word elements detected as being italic or bold, as well as "fontSize" and "baseLine" attributes for each word.
ImageGear PDF v25.0 introduces the following product updates and fixes:
Breaking Change: We’ve replaced the Recognition component with a new OCR component. If you’re upgrading to v25 or later from v24.x or earlier and use the Recognition component, there are some steps you’ll need to take to migrate your code to use the new OCR component. See the migration document.
You can now evaluate ImageGear PDF without obtaining a license. The evaluation licensing code is now embedded in the ImageGear.Core assembly itself, replacing the evaluation license that was placed in the registry by the product installer in previous versions. This also allows you to use the Accusoft ImageGear NuGet packages without performing any additional licensing.
Added a new IImGearColorAntiAlias.Quality property that allows you to select the quality of rendering non-1bpp images when zoomed out.
Added a new overload for the ImGearPDF.Initialize method that allows you to select which folder the PostScript library uses to store temporary files.
Removed the version number from native component file names (e.g., igpdf25nu.dll is now igpdfnu.dll). Since these native components are only used internally, this will not impact your references.
Fixed an issue when reading certain multipage GIF files.
Added the missing sample OEMLicensing.
Fixed an issue with the NuGet packages that caused native dependencies to be duplicated in the website root directory when performing a web publish in Visual Studio.
Fixed an issue that caused a System.IndexOutOfRangeException when dragging an ImGearPageView offscreen while displaying an RLE-compressed bitonal image.