internal int deflateParams( ZStream strm, int _level, int _strategy ) {
int num = 0;
if( _level == -1 ) {
_level = 6;
}
if( ( ( _level < 0 ) || ( _level > 9 ) ) || ( ( _strategy < 0 ) || ( _strategy > 2 ) ) ) {
return -2;
}
if( ( config_table[ this.level ].func != config_table[ _level ].func ) && ( strm.total_in != 0L ) ) {
num = strm.deflate( 1 );
}
if( this.level != _level ) {
this.level = _level;
this.max_lazy_match = config_table[ this.level ].max_lazy;
this.good_match = config_table[ this.level ].good_length;
this.nice_match = config_table[ this.level ].nice_length;
this.max_chain_length = config_table[ this.level ].max_chain;
}
this.strategy = _strategy;
return num;
}
