/1/rotate

NAME

rotate – rotate or mirror a picture

SYNOPSIS

rotate [ –r degree ] [ –u | –l ] [ file ]

DESCRIPTION

Rotate reads its input image (default from standard input), applies the rotation or mirroring and outputs the transformed image in compressed plan9 bitmap format.
The option –r rotates the image clockwise in 90 degree steps by the degree argument. The options –u and –l mirror the image upside/down or left/right.

SOURCE

/sys/src/cmd/rotate.c

SEE ALSO

crop(1), resample(1), image(6)

HISTORY

Rotate first appeared in 9front (September, 2011).


	Rotate reads its input image (default from standard input), applies the rotation or mirroring and outputs the transformed image in compressed plan9 bitmap format. The option –`r` rotates the image clockwise in 90 degree steps by the degree argument. The options –`u` and –`l` mirror the image upside/down or left/right.