Method Detail

• getImageLine

  T getImageLine(int n)

  Asks for imageline corresponding to row n in the original image (zero based). This can trigger side effects in this object (eg, advance a cursor, set current row number...) In some scenarios, this should be consider as alias to (pseudocode) positionAtLine(n); getCurrentLine();

  Throws exception if not available. The caller is supposed to know what he/she is doing

• hasImageLine

  boolean hasImageLine(int n)

  Returns true if the set contain row n (in the original image,zero based) currently allocated.

  If it's a single-cursor, this should return true only if it's positioned there. (notice that hasImageLine(n) can return false, but getImageLine(n) can be ok)

• size

  int size()

  Internal size of allocated rows This is informational, it should rarely be important for the caller.