| .TH IM_ROTATION 3 "5 December 1991" |
| .SH NAME |
| im_rot180, im_rot270, im_rot90, im_fliphor, im_flipver \- rotate and flip |
| an image |
| .SH SYNOPSIS |
| .B #include <vips/vips.h> |
| |
| .B int im_rot180(in, out) |
| .br |
| .B IMAGE *in, *out; |
| |
| .B int im_rot270(in, out) |
| .br |
| .B IMAGE *in, *out; |
| |
| .B int im_rot90(in, out) |
| .br |
| .B IMAGE *in, *out; |
| |
| .B int im_fliphor(in, out) |
| .br |
| .B IMAGE *in, *out; |
| |
| .B int im_flipver(in, out) |
| .br |
| .B IMAGE *in, *out; |
| .SH DESCRIPTION |
| im_rot180(), im_rot270() and im_rot90(), rotate the input image in by 180, |
| 270 and 90 degrees clockwise. im_fliphor() and im_flipver(), flip in |
| horizontally and vertically respectively. All functions work for any size |
| image, any type and any number of bands. All also work for LABPACK coded |
| images. |
| .SH RETURN VALUE |
| All functions return 0 on success and -1 on error. |
| .SH SEE\ ALSO |
| rot180(1) |
| .SH AUTHOR |
| N. Dessipris \- 5/12/1991 |