edit operation on an annotation item
This is used for the item to return a representative geometry
of what the item would look like if the operation were to be
applied. It's used to generate a rubber band showing a preview
of the modification during interactive editing operations on
an annotation item.
edit operations on annotation layers, with initial implementation
as QgsAnnotationItemEditOperationMoveNode
This class encapsulates edit operations which apply to annotation
layers/items