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| How to flip pages horizontally https://forum.pdfsharp.net/viewtopic.php?f=2&t=1803 |
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| Author: | hattonjohn [ Fri Sep 30, 2011 8:03 pm ] |
| Post subject: | How to flip pages horizontally |
My app uses PDFsharp to take pdfs and turn them into booklet pdfs. Now I need to optionally produce pdfs for printshops which require documents to be in mirror image, that is, flipped along the horizontal axis. Ideally I would do this as a process after the the booklet pages have been composed into a new pdf. Is there an elegant way to do this? Thanks. |
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| Author: | () => true [ Sat Oct 01, 2011 2:55 pm ] |
| Post subject: | Re: How to flip pages horizontally |
Should be a simple job with the correct transformation (not my area of expertise so I cannot tell you which transformation to use). Sample using transformations: http://www.pdfsharp.net/wiki/Graphics-s ... sformed_22 |
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| Author: | hattonjohn [ Mon Oct 24, 2011 4:07 pm ] |
| Post subject: | Re: How to flip pages horizontally |
Sorry, took me a while to get back to this project. Thanks for the pointers. I didn't find a way to do the flipping on the pages, but I can now flip while composing the pages in the first place: Code: Matrix mirrorMatrix = new Matrix(-1, 0, 0, 1, 0, 0);
gfx.MultiplyTransform(mirrorMatrix); gfx.TranslateTransform(-width,1); |
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