TIFF images with TIFFTAG_ORIENTATION not displayed correctly

[dajur]

In the TIFF tags of a TIFF image the TIFFTAG_ORIENTATION is used to specify the visual orientation of the data. See http://www.awaresystems.be/imaging/tiff ... ation.html

I have noticed that case 5-8 get displayed incorrectly by XnView 1.90.2
Case 5 = The 0th row represents the visual left-hand side of the image, and the 0th column represents the visual top.
XnView result : 90 degrees rotated clockwise and horizontally mirrored

Case 6 = The 0th row represents the visual right-hand side of the image, and the 0th column represents the visual top.
XnView result : 90 degrees rotated counter clockwise

Case 7 = The 0th row represents the visual right-hand side of the image, and the 0th column represents the visual bottom.
XnView result : 90 degrees rotated counter clockwise and horizontally mirrored

Case 8 = The 0th row represents the visual left-hand side of the image, and the 0th column represents the visual bottom.
XnView result : 90 degrees rotated clockwise

Case 1-4 are displayed as they should.

Is this fixable?

Thanks for a great program!

J.

[xnview]

Is this fixable?

Could you send me some samples?