orientation

Type: int

Default value 0  This variable specifies whether the barcode image should be generated normally or with clockwise or anticlockwise rotation through 90 degrees.

Allowed values

0 - Normal orientation
1 - clockwise rotation by 90 degrees
2 anti-clockwise rotation by 90 degrees
-1 inverted (i.e. rotated by 180 degrees
-2  mirror image

For omni-directional symbols (Aztec, Maxicode) specifying left or right rotations has no effect.

 

More:

line_reduction