PDFsharp & MigraDoc Foundation

Hi,

I have a problem with "Prepend" option on some PDF files.

- Doc1.pdf is created from Word
- Doc2.pdf is created from a TIFF Image

Doc1 is Ok "My text 2014" whith blue DrawRectangle are visible
Doc2 is not Ok "My text 2014" whith blue DrawRectangle are selectable but invisible


Can you help me
I have attached two PDF files
my code below ...
Thank you

const string text = "My text 2014";
PdfDocument document = PdfReader.Open(fileNamePDF, PdfDocumentOpenMode.Modify);
foreach (PdfPage page in document.Pages)
{
XFont font = new XFont("Times New Roman", 10, XFontStyle.Bold);
XGraphics gfx = XGraphics.FromPdfPage(page, XGraphicsPdfPageOptions.Prepend);
XTextFormatter tf = new XTextFormatter(gfx);
XRect rect = new XRect(450, 1, 70, 20);
gfx.DrawRectangle(XBrushes.Blue, rect);
tf.Alignment = XParagraphAlignment.Right;
gfx.DrawString(text, font, XBrushes.Black,rect,XStringFormats.TopLeft);
}

Hi!

It's not a bug, it's a feature.

Doc1 contains black text on a transparent page - the prepended logo shows through.

Doc2 contains an image that fills the whole page and hides the prepended logo. Try Append instead of Prepend to place your watermark above the original content (and not below it).

_________________
Regards
Thomas Hoevel
PDFsharp Team

Hi,

Thank you for your answer

I try with "Append" is better, my Blue Rectangle is visible but not "my text 2014"

My code is the same, i just modified "XGraphicsPdfPageOptions.Prepend" by "XGraphicsPdfPageOptions.Append"

I have attached the new PDF files "Doc2 with Append.pdf"

TY

Hi,

Have you been able to analyze my problem ?

Thank you

Hi!

I tried the following code successfully:


I only had your modified Doc2.pdf and the other file to try it with.

As a hack: run your code twice and the watermark should show.

Or give me the unmodified source of Doc2.pdf and I'll have a look after Easter.

BTW: you probably meant to use tf.DrawString(). I didn't try it, but it should make no difference.

_________________
Regards
Thomas Hoevel
PDFsharp Team

Hi,

I run my code twice and the text appears !!?
It's cool

If you want try whith my doc2 no modified, I have attached the PDF files "Doc2.pdf"

Thank you