Hi,

Your approach is not correct. What I suggest is to rasterize the image in a new bitmap, then convert the rasterized bitmap to grayscale.

Please let me know if you need further information.

WIth best regards,

Hi, I think the best option is to draw the watmermak from the server side. Just catch the PageTransferReady event, then draw your watermark on the provided image (see imageID parameter). http://www.docuvieware.com/guides/aspnet/webframe.html#GdPicture.NET.14.WEB.DocuVieware~GdPicture14.WEB.DocuViewa...

- GdPicturePDF: new overload GetFormFieldCheckBoxStyle()
- GdPicturePDF: new overload SetFormFieldCheckBoxStyle()
- Improved MRC engine (compression rate and output quality).
- Improved DXF rasterizer.
- Improved DOCX rendering speed.
- Battery of minor bug fixes.

- GdPicturePDF: new method BeginXObjectForm. - GdPicturePDF: new method EndXObjectForm. - GdPicturePDF: new method DrawXObjectForm. - DocuVieware: new JavaScript function: GetAnnotPropertiesValues() - Improved PDF generation speed. - Improved DXF rasterizer. - Improved MRC engine (compression rate a...

Hi, Unfortunately I can't use SaveAnnotations and LoadAnnotations method because we use xml format data and save in database instead of file itself. I am not sure to understand. The mentioned methods are saving the annotation flow within standalone xml structure. This seems to be exactly what you ar...

Hi,

wow, woff or something else?

Kind regards,

Loïc

Hi Garfield, For 1: My apologies, I made the confusion with an internal method of the toolkit. Y can deal with these two method to import / export annotations: public GdPictureStatus SaveAnnotations(Stream Annotations, bool AllPages) public GdPictureStatus LoadAnnotations(Stream Annotations) For 2: ...

- Fixed regression on the PDF/MRC engine.
- Improved MRC engine (produced document quality and compression rate).
- Improved borders detection engine accuracy.

Hi, You have at least 2 options: 1: Use the GetAnnotationManager() method of the DocuVieware class. 2: Use this approach (tested with latest version). FileStream fileStream = File.OpenRead("d:\\test.dxf"); AnnotationManager annotationManager = new AnnotationManager(); GdPictureStatus status = annota...

- GdPictureImaging: improved speed of the TiffMergeFiles() methods. - Improved DXF -> PDF converter. - Improved borders detection accuracy. - MRC engine: improved compression rate and dramatically increased quality of produced documents. - DocuVieware: the control is now FIPS compliant. - Battery of...

- Added support for PDF 2.0 reading (writing was already supported).
- Improved MRC compression engine (better quality of produced documents and better compression rate).
- Improved DOCX rasterizer, especially with tables rendering.
- Battery of minor bug fixes.

- Improved 1D & 2D barcode recognition speed and accuracy. - Improved DXF rasterizer. - Improved PDF rasterizer. - Improved DOCX rasterizer. - Improved DXF --> PDF conversion to produce smaller file size. - GdPicturePDF: added a font compression / reduction engine. - GdPicturePDF: new method PackFon...

- GdViewer: ForceTemporaryModeForImage and ForceTemporaryModeForPDF properties renamed to ForceTemporaryMode. - DocuVieware: new static method DocuViewareManager.CollectSessionsData(). - Improved color detection engine accuracy. - Improved DOCX rasterizer. - Improved DXF rasterizer. - Improved PDF41...

Hello,

Please share document used with our team to diagnose such problem and determine if the document recognition engine can be improved.

For such process please open a ticket into our helpdesk that can be reached here: https://support.gdpicture.com

Kind regards,

Loïc

Hi,

You should not encounter such problem with GdPicture.

Kind regards,

Loïc