Method

GeglTileBackendcommand

Declaration [src] 

gpointer
gegl_tile_backend_command (
  GeglTileBackend* backend,
  GeglTileCommand command,
  gint x,
  gint y,
  gint z,
  gpointer data
)

Description [src]

The default tile-backend command handler. Tile backends should forward commands they don’t handle themselves to this function.

Parameters

command

Type: GeglTileCommand

The tile command.

x

Type: gint

X coordinate.

y

Type: gint

Y coordinate.

z

Type: gint

Tile zoom level.

data

Type: gpointer

User data.

The argument can be NULL.
The data is owned by the caller of the function.

Return value

Type: gpointer

Command result.

The data is owned by the instance.
The return value can be NULL.