Hi, If redaction region overlaps an image the image is processed in the intersection area. The intersection area of the image will have all the pixels set to the color specified for the redaction (black by default) or closest possible color alternative depending on the image format / color space. Th...

Hello, Thanks for posting on GdPicture forums. GdPicture is currently not able to achieve PAdES Level B-LTA. We will need to update our signing process to include certificate validation against revocation lists and we should be able to allocate development time for this until the end of this year. W...

Hi Elena, PDF does not restrict use of different types of signature handlers used in older verions (1.4, 1.5 etc.). PAdES/CAdES was added to the PDF 2.0 specification to make sure all conforming readers/creators will be able to work with the specification. But those standards have been used in PDF b...

Hi Marco, In order to make sure the output PDF/A documents are valid we are rebuilding the metadata from scratch during the conversion. This means that if you need to add specific metadata to the resulting PDF/A3 document you will need to modify the metadata after the conversion. To do this you will...

Hi Marco, We do not currently provide any dedicated methods to create ZUGFeRD or Factur-X documents. In order to create this kind of document you will need to embed the XML part to the PDF document using file name specified by the ZUGFeRD or Factur-X specifications. After that you will need to save ...

Hi, This is correct behavior. GdPicture needs to parse the document upon loading it. In some cases in order to open the file we need to repair the files. Because of that saving the file will automatically reconstruct the PDF file. Digital signatures make sure there have not been any modifications in...

Hi, The latest release contains modifications that enable automatic recognition of supported hash. Supported hash should be automatically recognized after using any SetSignatureCertificateFrom* method. If the issues persists i would advise to open support ticket so that we can get a closer look at w...

Hi,

this issue has already been fixed in latest version of GdPicture.

Hello, I order to achieve this you need to use the SetPageBox method. Link here: https://www.gdpicture.com/guides/gdpicture/Overview.html#GdPicture.NET.14~GdPicture14.GdPicturePDF~SetPageBox.html To get correct PageBox parameters you need to know that PageBox in PDF is always using BottomLeft coordi...