Screenshot plugin

Creates "msg_saving" dialog. Uses libpngenc to convert "/dev_hdd0/tmp/game/screenshot.png" (static) to PNG (with optional overlay file) and adds to photo column. (PhotoList)

0 Identifiers:

Load up parameters

screenshot_mode = int (must be 1)
screenshot_result = int (error code)
screenshot_width = int
screenshot_height = int
screenshot_aspect = int
screenshot_ox = int
screenshot_oy = int
screenshot_ow = int
screenshot_oh = int