VI. LibOvl API

Table of Contents
ggiOvlInit -- Initialize and uninitialize LibOvl
ggiOvlAttach -- Enable the LibOvl API on a LibGGI visual
ggiOvlCreate -- Allocate and activate a video overlay resource on the fly.
ggiOvlAdd -- Add a request for a graphics overlay to a LibGAlloc request list.
ggiOvlTie -- Activate an allocated graphics overlay resource
ggiOvlSetPriority -- Set the display priority of an overlay within its group.
ggiOvlSetVals -- Position, resize and zoom a graphics overlay.
ggiOvlSetCoordBase -- Set the units and point of origin used when positioning an overlay
ggiOvl2Buf -- Represent the data inside an overlay with a LibBuf object
ggiOvl2Vis -- Access an overlay as a LibGGI visual; load data into an overlay
ggiOvlSetFlags -- Change use-time features of an overlay