/// <summary> /// Creates a new bitmap by S-Step with a given item-bitmap. /// </summary> public Bitmap8 CreateNewBySStep(Bitmap8 itemBitmap) { // A new bitmap for S-Step will be create by ANDing transformed sequence-bitmap with item-bitmap. // During creating a new bitmap also counts the support for a new bitmap. var support = 0; var newBitmaps = new byte[_sequencesCount]; var itemBitmaps = itemBitmap._bitmaps; for (var sid = 0; sid < _sequencesCount; ++sid) { if (_bitmaps[sid] == 0) { continue; } var tid = DeBruijn.FirstSetBit(_bitmaps[sid]); if ((newBitmaps[sid] = (byte)(TransformedBitmap[tid] & itemBitmaps[sid])) == 0) { continue; } ++support; } return(support > 0 ? new Bitmap8(newBitmaps, support) : null); }
/// <summary> /// Creates a new bitmap by I-Step with a given item-bitmap. /// </summary> public Bitmap8 CreateNewByIStep(Bitmap8 itemBitmap) { // A new bitmap for I-Step will be create by ANDing sequence-bitmap with item-bitmap. // During creating a new bitmap also counts the support for a new bitmap. var support = 0; var newBitmaps = new byte[_sequencesCount]; var itemBitmaps = itemBitmap._bitmaps; for (var sid = 0; sid < _sequencesCount; ++sid) { if ((newBitmaps[sid] = (byte)(_bitmaps[sid] & itemBitmaps[sid])) == 0) { continue; } ++support; } return(support > 0 ? new Bitmap8(newBitmaps, support) : null); }
/// <summary> /// Creates a new bitmap by S-Step with a given item-bitmap. /// </summary> public Bitmap8 CreateNewBySStep(Bitmap8 itemBitmap) { // A new bitmap for S-Step will be create by ANDing transformed sequence-bitmap with item-bitmap. // During creating a new bitmap also counts the support for a new bitmap. var support = 0; var newBitmaps = new byte[_sequencesCount]; var itemBitmaps = itemBitmap._bitmaps; for (var sid = 0; sid < _sequencesCount; ++sid) { if (_bitmaps[sid] == 0) continue; var tid = DeBruijn.FirstSetBit(_bitmaps[sid]); if ((newBitmaps[sid] = (byte) (TransformedBitmap[tid] & itemBitmaps[sid])) == 0) continue; ++support; } return support > 0 ? new Bitmap8(newBitmaps, support) : null; }
/// <summary> /// Creates a new bitmap by I-Step with a given item-bitmap. /// </summary> public Bitmap8 CreateNewByIStep(Bitmap8 itemBitmap) { // A new bitmap for I-Step will be create by ANDing sequence-bitmap with item-bitmap. // During creating a new bitmap also counts the support for a new bitmap. var support = 0; var newBitmaps = new byte[_sequencesCount]; var itemBitmaps = itemBitmap._bitmaps; for (var sid = 0; sid < _sequencesCount; ++sid) { if ((newBitmaps[sid] = (byte) (_bitmaps[sid] & itemBitmaps[sid])) == 0) continue; ++support; } return support > 0 ? new Bitmap8(newBitmaps, support) : null; }