Can IRasterImage.RotateViewPerspective() replaces RotateCommand?

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Wednesday, January 10, 2007 8:06:40 AM(UTC)

Raymond Lee

Groups: Registered
Posts: 30

Hi,

Can IRasterImage.RotateViewPerspective() replaces RotateCommand to rotate an image and save it in a file? Or RotateViewPerspective only provides view only feature?

Regards,
Raymond


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#2 Posted : Thursday, January 11, 2007 3:56:40 AM(UTC)

Maen Hasan

Groups: Registered, Tech Support
Posts: 1,326

Was thanked: 1 time(s) in 1 post(s)

Yes it can, provided you're only rotating a multiple of 90 degrees.
When you save the image after that, if the format supports Orientation such as TIFF, the Orientation or ViewPerspective flag will be stored in the file, and the image data is not physically rotated.
If the format doesn't support it (such as BMP), the physical pixels stored in the file will be rotated to give the same visual appearance.

Thanks,
Maen Badwan
LEADTOOLS Technical Support

Edited by moderator Tuesday, October 11, 2016 9:00:49 AM(UTC) | Reason: Not specified

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