Author image Dmitry Karasik

NAME

Prima::IPA::Geometry - mapping pixels from one location to another

API

mirror IMAGE [ type ]

Mirrors IMAGE vertically or horizontally, depending on integer type, which can be one of the following constants:

   Prima::IPA::Geometry::vertical
   Prima::IPA::Geometry::horizontal

Supported types: all

shift_rotate IMAGE [ where, size ]

Shifts image in direction where, which is one of the following constants

   Prima::IPA::Geometry::vertical
   Prima::IPA::Geometry::horizontal

by the offset, specified by integer size.

Supported types: all, except that the horizontal transformation does not support 1- and 4- bit images.

rotate90 IMAGE [ clockwise = true ]

Rotates image on 90 degrees clockwise or counter-clockwise

rotate180 IMAGE

Rotates image on 180 degrees