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POOpenXml and Word: How to Calculate WrapPolygon Coordinates?
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  1. POOpenXml and Word: How to Calculate WrapPolygon Coordinates?
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    copied!<p>I am creating a Microsoft Word document using the OpenXml library. Most of what I need is already working correctly. However, I can't for the life of me find the following bit of information.</p> <p>I'm displaying an image in an anchor, which causes text to wrap around the image. I used <code>WrapSquare</code> but this seems to affect the last line of the <em>previous</em> paragraph as shown in the image below. The image is anchored to the second paragraph but causes the last line of the first paragraph to also indent around the image.</p> <p><a href="http://www.softcircuits.com/Client/Word.jpg" rel="nofollow noreferrer">Word Screenshot http://www.softcircuits.com/Client/Word.jpg</a></p> <p>Experimenting within Word, I can make the text wrap how I want by changing the wrapping to <code>WrapTight</code>. However, this requires a <code>WrapPolygon</code> with several coordinates. And I can't find any way to determine the polygon coordinates so that they match the size of the image, which is in pixels.</p> <p>The documentation doesn't even seem to indicate what units are used for these coordinates, let alone how to calculate them from pixels. I can only assume the calculation would involve a DPI value, but I have no idea how to determine what DPI will be used when the user eventually loads the document into Word.</p> <p>I would also be satisfied if someone can explain why the issues described above is happening in the first place. I can shift the image down and the previous paragraph is no longer affected. But why is this necessary? (The Distance from text setting for both Left and Top is 0".)</p>
 

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