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| [WD20] Is dRotation fundamentally flawed? |
| Iniciado por guest, 02,nov. 2015 16:46 - 2 respuestas |
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| Publicado el 02,noviembre 2015 - 16:46 |
If I scan in a driver's license and the scan comes in portrait(red box), how can I rotate the image to landscape and fill the entire black box without losing too much image quality? I am using TwainToJPG().
Also when I use dRotation on an image, that image fails to save to the Db when I use HLinkMemo().
[attachment 1756 Untitled.png] |
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| Publicado el 02,noviembre 2015 - 18:58 |
Hi Curtis,
in my experience, drotation works fine. But you need to take care of a few things:
1. forget about image VARIABLE, and use an image field (variables are newer and do not support everything)
2. make sure that your image is inside a SQUARE image field before you rotate, so that rotation can happen correctly
3. make sure that the image field is at the correct size (if your original image is 1024*768, then your image field should be set as 100% centered, 1024*1024).
4. once the rotation is done, do a dsaveimagepng of the result, THEN link that file to your memo.
With that system, there is no quality loss to speak of
Best regards |
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| Publicado el 02,noviembre 2015 - 21:12 |
| Thank you! I should have thought about the square issue. |
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