IG_ISIS_TAG_SCANORIENTATION
Orientation in which to scan. 0x0113 ∙ 275
IG_ISIS_TAG_SCANORIENTATION indicates the orientation of a page in a scanner's feeder.
Type:
IG_ISIS_TAG_TYPE_SHORT
Drivers:
Drivers for scanners that support reporting of document feeder page orientation.
Values:
IG_ISIS_TAG_SCANORIENTATION can be set to any one of the following values:
Value |
Defined Constant |
Meaning |
1 |
IG_ISIS_ORIENTATION_PORT |
The image data is in portrait orientation. |
2 |
IG_ISIS_ORIENTATION_LAND |
The image data is in landscape orientation. |
3 |
IG_ISIS_ORIENTATION_180 |
The image data is in upside-down portrait orientation. |
4 |
IG_ISIS_ORIENTATION_270 |
The image data is in upside-down landscape orientation. |
5 |
IG_ISIS_ORIENTATION_PORTM |
The image data is in portrait mirrored orientation. |
6 |
IG_ISIS_ORIENTATION_LANDM |
The image data is in landscape mirrored orientation. |
7 |
IG_ISIS_ORIENTATION_180M |
In ISIS, the image data is in upside down portrait, mirrored orientation. |
8 |
IG_ISIS_ORIENTATION_270M |
The image data is in upside down landscape, mirrored orientation. |
Remarks:
Some scanners have the ability to detect the orientation of a page in the feeder, and can pass this information along in IG_ISIS_TAG_SCANORIENTATION. Your application can use this information to, for example, scan only 8.5 inches of a landscape letter-sized page rather than scanning 17 inches and then cropping the data.
See Also
IG_ISIS_TAG_ORIENTATION
IG_ISIS_TAG_DATAORIENTATION