Pascal Massimino 6cf504d018 PNM decoding: handle max_value != 255
also add support for PAM's GRAYSCALE_ALPHA tuple (with depth = 2)

BUG=webp:449

Change-Id: I0fe4825cd1d5487b9f7af332c7d3d56c1b35c3fb
2020-01-06 23:48:40 +01:00
..
2017-03-03 11:19:48 +01:00
2018-09-28 17:42:27 -07:00
2020-01-06 23:48:40 +01:00
2017-03-05 09:38:51 +00:00