PDFsharp & MigraDoc Foundation

PDFsharp - A .NET library for processing PDF & MigraDoc Foundation - Creating documents on the fly
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PostPosted: Sat Jul 04, 2020 3:07 am 
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Joined: Wed Jun 10, 2020 7:15 pm
Posts: 2
I have a document assembled from other pdfs. While all the pages are in portrait orientation looking at them in code reveals that some are in landscape orientation and have a rotation of 90 or 270.

When I try to add any images or text using xgraphics the items are added vertically. I can see that the page and media box have incorrect coordinates reverse the page height and width. I don't know why it rotates the image or text + or - 90 degrees though.

I've tried changing the page orientation to portrait but that doesn't work. I tried setting rotate to 0 but that sets the page back or landscape.

I also tried to transform the xgraphics using

Code:
gfx.RotateAtTransform(90, new XPoint( page.Height/2, page.Width/2));


That works partially to rotate the text or graphics but the location is off.

I also tried
Code:
 gfx.RotateTransform(90);


but then nothing is written on the page.

I don't really know what the rotateTransform or the rotateAtTransform functions are doing.


How do I get images and text to write with the correct locations when the page has a rotation of 90 or 270 and orientation says it is Landscape even though the page is being displayed as portrait?


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PostPosted: Mon Jul 06, 2020 7:54 am 
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PDFsharp Expert
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Joined: Sat Mar 14, 2015 10:15 am
Posts: 563
Location: CCAA
There is a known problem with rotation in version 1.50.

Maybe this post can help you:
viewtopic.php?p=11548#p11548

Workaround:
Code:
page.Orientation = PageOrientation.Portrait;


There are several problems with earlier versions (1.32 and older).

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


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