Identifies the commands for file conversion.
Values:
IG_CONVERT_NONE | Convert with no processing. |
IG_CONVERT_ROTATE_90 | Convert with rotating to 90 degrees. |
IG_CONVERT_ROTATE_180 | Convert with rotating to 180 degrees. |
IG_CONVERT_ROTATE_270 | Convert with rotating to 270 degrees. |
IG_CONVERT_FLIP_HORIZONTAL | Convert with flipping horizontal. |
IG_CONVERT_FLIP_VERTICAL | Convert with flipping vertical. |
IG_CONVERT_TRANSPOSE | Convert and transpose. |
IG_CONVERT_TRANSVERSE | Convert and transverse. |