Orientation
Description:
[ CCode ( cprefix = "GEXIV2_ORIENTATION_" , type_id = "gexiv2_gexiv2_orientation_get_type ()" ) ]
public enum Orientation
The orientation of an image is defined as the location of it's x,y origin.
More than rotation, orientation allows for every variation of rotation, flips, and mirroring to be described in 3 bits of data.
A handy primer to orientation can be found at <ulink url="http://jpegclub.org/exif_orientation.html"></ulink>
Content:
Enum values:
- HFLIP - The image is flipped on its
horizontal axis
- NORMAL - The orientation of the image is
without any rotation.
- ROT_180 - The image is rotated by 180
degrees
- ROT_270 - The image is rotated 270
degrees clockwise
- ROT_90 - The image is rotated by 90
degrees clockwise
- ROT_90_HFLIP - The image is rotated
by 90 degrees clockwise and flipped on its horizontal axis
- ROT_90_VFLIP - The image is rotated
by 90 degrees clockwise and flipped on its vertical axis
- UNSPECIFIED - The orientation of the
image is unknown
- VFLIP - The Image is flipped on its
vertical axis