- enum table_axis axis, int x, int y);
-
- /* This function is optional and most table classes will not implement it.
-
- If provided, this function must take ownership of A and B and return a
- table that consists of tables A and B "pasted together", that is, a
- table whose size is the sum of the sizes of A and B along the axis
- specified by ORIENTATION. A and B will ordinarily have the same size
- along the axis opposite ORIENTATION; no particular handling of tables
- that have different sizes along that axis is required.
-
- The handling of rules at the seam between A and B is not specified, but
- table_rule_combine() is one reasonable way to do it.
-
- Called only if neither A and B is shared (as returned by
- table_is_shared()).
-
- Called if A or B or both is of the class defined by this table class.
- That is, the implementation must be prepared to deal with the case where
- A or B is not the ordinarily expected table class.
-
- This function may return a null pointer if it cannot implement the paste
- operation, in which case the caller will use a fallback
- implementation.
-
- This function is used to implement table_paste(). */
- struct table *(*paste) (struct table *a, struct table *b,
- enum table_axis orientation);
-
- /* This function is optional and most table classes will not implement it.
-
- If provided, this function must take ownership of TABLE and return a new
- table whose contents are the TABLE's rows RECT[TABLE_VERT][0] through
- RECT[TABLE_VERT][1], exclusive, and the TABLE's columns
- RECT[TABLE_HORZ][0] through RECT[TABLE_HORZ][1].
-
- Called only if TABLE is not shared (as returned by table_is_shared()).p
-
- This function may return a null pointer if it cannot implement the
- select operation, in which case the caller will use a fallback
- implementation.
-
- This function is used to implement table_select(). */
- struct table *(*select) (struct table *table, int rect[TABLE_N_AXES][2]);