/// <summary> A fast method to retrieve one row of data from the matrix as a BitArray.
///
/// </summary>
/// <param name="y">The row to retrieve
/// </param>
/// <param name="row">An optional caller-allocated BitArray, will be allocated if null or too small
/// </param>
/// <returns> The resulting BitArray - this reference should always be used even when passing
/// your own row
/// </returns>
public BitArray getRow(int y, BitArray row)
{
if (row == null || row.Size < width)
{
row = new BitArray(width);
}
int offset = y * rowSize;
for (int x = 0; x < rowSize; x++)
{
row.setBulk(x << 5, bits[offset + x]);
}
return row;
}
/// <summary> Converts one row of luminance data to 1 bit data. May actually do the conversion, or return /// cached data. Callers should assume this method is expensive and call it as seldom as possible. /// This method is intended for decoding 1D barcodes and may choose to apply sharpening. /// For callers which only examine one row of pixels at a time, the same BitArray should be reused /// and passed in with each call for performance. However it is legal to keep more than one row /// at a time if needed. /// /// </summary> /// <param name="y">The row to fetch, 0 <= y < bitmap height. /// </param> /// <param name="row">An optional preallocated array. If null or too small, it will be ignored. /// If used, the Binarizer will call BitArray.clear(). Always use the returned object. /// </param> /// <returns> The array of bits for this row (true means black). /// </returns> public abstract BitArray getBlackRow(int y, BitArray row);
/// <summary> Converts one row of luminance data to 1 bit data. May actually do the conversion, or return
/// cached data. Callers should assume this method is expensive and call it as seldom as possible.
/// This method is intended for decoding 1D barcodes and may choose to apply sharpening.
///
/// </summary>
/// <param name="y">The row to fetch, 0 <= y < bitmap height.
/// </param>
/// <param name="row">An optional preallocated array. If null or too small, it will be ignored.
/// If used, the Binarizer will call BitArray.clear(). Always use the returned object.
/// </param>
/// <returns> The array of bits for this row (true means black).
/// </returns>
public BitArray getBlackRow(int y, BitArray row)
{
return binarizer.getBlackRow(y, row);
}