‘transpose-frame’ … Swap x-direction and y-direction
+------------+------------+ +----------------+--------+ | | B | | A | | | A +------------+ | | | | | C | => +--------+-------+ D | +------------+------------+ | B | C | | | D | | | | | +-------------------------+ +--------+-------+--------+
‘flip-frame’ … Flip vertically
+------------+------------+ +------------+------------+ | | B | | D | | A +------------+ +------------+------------+ | | C | => | | C | +------------+------------+ | A +------------+ | D | | | B | +-------------------------+ +------------+------------+
‘flop-frame’ … Flop horizontally
+------------+------------+ +------------+------------+ | | B | | B | | | A +------------+ +------------+ A | | | C | => | C | | +------------+------------+ +------------+------------+ | D | | D | +-------------------------+ +-------------------------+
‘rotate-frame’ … Rotate 180 degrees
+------------+------------+ +-------------------------+ | | B | | D | | A +------------+ +------------+------------+ | | C | => | C | | +------------+------------+ +------------+ A | | D | | B | | +-------------------------+ +------------+------------+
‘rotate-frame-clockwise’ … Rotate 90 degrees clockwise
+------------+------------+ +-------+-----------------+ | | B | | | A | | A +------------+ | | | | | C | => | D +--------+--------+ +------------+------------+ | | B | C | | D | | | | | +-------------------------+ +-------+--------+--------+
‘rotate-frame-anti-clockwise’ … Rotate 90 degrees anti-clockwise
+------------+------------+ +--------+--------+-------+ | | B | | B | C | | | A +------------+ | | | | | | C | => +--------+--------+ D | +------------+------------+ | A | | | D | | | | +-------------------------+ +-----------------+-------+