| Methods Summary |
|---|
| protected int | decValue(int index)
int original_value = getValue( index );
if ( original_value <= 0 ){
return( 0 );
}
setValue( index, (byte)(original_value-1));
return( original_value );
|
| protected int | getValue(int index)
return( map[index] & 0xff );
|
| protected int | incValue(int index)
int original_value = getValue( index );
if ( original_value >= 255 ){
return( 255 );
}
setValue( index, (byte)(original_value+1));
return( original_value );
|
| private void | setValue(int index, byte value)
map[index] = value;
|
| protected int | trimValue(int value)
if ( value < 0 ){
return( 0 );
}else if ( value > 255 ){
return( 255 );
}else{
return( value );
}
|
