/**
* Sets the compression level. There is no guarantee of the exact position of the change, but if
* you call this when needsInput is true the change of compression level will occur somewhere near
* before the end of the so far given input.
*
* @param lvl the new compression level.
*/
public void setLevel(int lvl) {
if (lvl == DEFAULT_COMPRESSION) lvl = 6;
else if (lvl < NO_COMPRESSION || lvl > BEST_COMPRESSION) throw new IllegalArgumentException();
if (level != lvl) {
level = lvl;
engine.setLevel(lvl);
}
}
