PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Fri May 10, 2019 6:12 pm 
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Joined: Fri May 10, 2019 6:00 pm
Posts: 1
Hi all,

I am attempting to create a WebLink that overlays drawn text. I am using the same XRect when drawing the text and adding the web link. An example of my current code is:

Code:
        PdfDocument document = new PdfDocument();
        PdfPage page = document.Pages.Add();
        XFont font = new XFont("Arial Unicode MS", 10, XFontStyle.Regular);
        string text = "Hello World";

        XGraphics gfx = XGraphics.FromPdfPage(page);
        XSize textSize = gfx.MeasureString(text, font);
        XPoint textLocation = new XPoint(50, 50);
        XRect textRectangle = new XRect(textLocation, textSize);
        gfx.DrawString(text, font, XBrushes.Black, textRectangle, XStringFormats.TopLeft);

        page.AddWebLink(new PdfRectangle(textRectangle), "http://www.google.com");


However, the above code creates the text in the top left corner and the annotation in the bottom left. In order to get the two elements to line up I need to invert the annotation's Y position like so:

Code:
        XPoint invertedYPoint = new XPoint(textLocation.X, page.Height - textLocation.Y - textSize.Height);
        page.AddWebLink(new PdfRectangle(invertedYPoint, textSize), "http://www.google.com");


Is this intended behavior, or perhaps there are orientation settings I need to add/change?

Thanks!


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PostPosted: Sun May 12, 2019 12:58 pm 
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PDFsharp Expert
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Joined: Sat Mar 14, 2015 10:15 am
Posts: 479
Location: CCAA
The function call you need is
Code:
XRect rect = this.gfx.Transformer.WorldToDefaultPage(this.hyperlinkRect);
[/quote]


See also:
viewtopic.php?p=3805#p3805

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Best regards
Thomas
(Freelance Software Developer with several years of MigraDoc/PDFsharp experience)


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