<CLSCompliantAttribute(False)>
Overloads Public Function GetRowColumnCompressed( _
   ByVal workBuffer() As Byte, _
   ByVal runBuffer() As UShort, _
   ByVal runBufferOffset As Integer, _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal width As Integer _
) As Integer

Dim instance As RasterImage
Dim workBuffer() As Byte
Dim runBuffer() As UShort
Dim runBufferOffset As Integer
Dim row As Integer
Dim column As Integer
Dim width As Integer
Dim value As Integer
 
value = instance.GetRowColumnCompressed(workBuffer, runBuffer, runBufferOffset, row, column, width)

[CLSCompliantAttribute(false)]
public int GetRowColumnCompressed( 
   byte[] workBuffer,
   ushort[] runBuffer,
   int runBufferOffset,
   int row,
   int column,
   int width
)

[CLSCompliantAttribute(false)]
public:
int GetRowColumnCompressed( 
   array<byte>^ workBuffer,
   array<ushort>^ runBuffer,
   int runBufferOffset,
   int row,
   int column,
   int width
) 

Public Sub GetRowColumnCompressedExample()
      Dim codecs As RasterCodecs = New RasterCodecs()
      ' Load the bitmap, at 1 bit per pixel, compressed
      codecs.Options.Load.Compressed = True
      Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "OCR1.TIF"), 1, CodecsLoadByteOrder.Bgr, 1, 1)

      Dim xOffset As Integer ' Column offset of the rectangle to process.
      Dim xSize As Integer ' Pixel width of the rectangle to process.
      Dim yOffset As Integer ' Row offset of the rectangle to process.
      Dim ySize As Integer ' Pixel height of the rectangle to process.
      Dim i, n As Integer ' Counters.

      Dim buffer As Byte() ' Buffer to hold the expanded row.
      Dim runBuffer As System.UInt16() ' Buffer to hold the compressed row.
      Dim workBuffer As Byte() ' Work buffer.

      ' This example does not work with rotated view perspectives.
      If (image.ViewPerspective <> RasterViewPerspective.TopLeft) OrElse (image.ViewPerspective <> RasterViewPerspective.BottomLeft) Then
         image.ChangeViewPerspective(RasterViewPerspective.TopLeft)
      End If

      ' Specify a rectangle in the middle right part of the displayed image.
      xOffset = image.Width \ 3
      xSize = image.Width - xOffset
      yOffset = image.Height \ 3
      ySize = image.Height \ 3
      ' Adjust the YOffset if the view perspective is bottom left.
      If image.ViewPerspective = RasterViewPerspective.BottomLeft Then
         yOffset = image.Height - yOffset - ySize
      End If

      If image.IsGlobalMemory Then
         image.Access()
      End If
      ' Allocate the buffers.
      buffer = New Byte((xSize + 7) \ 8 - 1) {}
      runBuffer = New System.UInt16((xSize + 3) * 2 - 1) {}
      workBuffer = New Byte(image.BytesPerLine - 1) {}
      ' Invert the colors of pixels in the left half of the rectangle.
      ' Notice that we get the whole rectangle, but process only half of it.
      i = yOffset
      Do While i < (yOffset + ySize)
         image.GetRowColumnCompressed(workBuffer, runBuffer, 0, i, xOffset, xSize)
         RasterRleCompressor.ExpandRow(runBuffer, buffer, 0, 0, xSize)
         n = 0
         Do While n < (xSize / 16)
            buffer(n) = buffer(n) Xor Convert.ToByte(&HFF)
            n += 1
         Loop
         RasterRleCompressor.CompressRow(runBuffer, buffer, 0, 0, xSize)
         image.SetRowColumnCompressed(workBuffer, runBuffer, 0, i, xOffset, xSize)

         i += 1
      Loop
      If image.IsGlobalMemory Then
         image.Release()
      End If

      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1_getrowcolcompresed.BMP"), RasterImageFormat.Bmp, 0)

      image.Dispose()
      codecs.Dispose()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

public void GetRowColumnCompressedExample()
   {
      RasterCodecs codecs = new RasterCodecs();
      // Load the bitmap, at 1 bit per pixel, compressed
      codecs.Options.Load.Compressed = true;
      RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "OCR1.TIF"), 1, Leadtools.Codecs.CodecsLoadByteOrder.Bgr, 1, 1);

      int xOffset;   // Column offset of the rectangle to process.
      int xSize;     // Pixel width of the rectangle to process.
      int yOffset;   // Row offset of the rectangle to process.
      int ySize;     // Pixel height of the rectangle to process.
      int i, n;       // Counters.

      byte[] buffer;      // Buffer to hold the expanded row.
      ushort[] runBuffer; // Buffer to hold the compressed row.
      byte[] workBuffer;  // Work buffer.

      // This example does not work with rotated view perspectives.
      if((image.ViewPerspective != RasterViewPerspective.TopLeft) || (image.ViewPerspective != RasterViewPerspective.BottomLeft))
         image.ChangeViewPerspective(RasterViewPerspective.TopLeft);

      // Specify a rectangle in the middle right part of the displayed image.
      xOffset = image.Width / 3;
      xSize = image.Width - xOffset;
      yOffset = image.Height / 3;
      ySize = image.Height / 3;
      // Adjust the YOffset if the view perspective is bottom left.
      if(image.ViewPerspective == RasterViewPerspective.BottomLeft)
      {
         yOffset = image.Height - yOffset - ySize;
      }

      if(image.IsGlobalMemory)
         image.Access();
      // Allocate the buffers.
      buffer = new Byte[(xSize + 7) / 8];
      runBuffer = new ushort[(xSize + 3) * 2];
      workBuffer = new Byte[image.BytesPerLine];
      // Invert the colors of pixels in the left half of the rectangle.
      // Notice that we get the whole rectangle, but process only half of it.
      for(i = yOffset; i < (yOffset + ySize); i++)
      {
         image.GetRowColumnCompressed(workBuffer, runBuffer, 0, i, xOffset, xSize);
         RasterRleCompressor.ExpandRow(runBuffer, buffer, 0, 0, xSize);
         for(n = 0; n < (xSize / 16); n++)
            buffer[n] ^= 0xFF;
         RasterRleCompressor.CompressRow(runBuffer, buffer, 0, 0, xSize);
         image.SetRowColumnCompressed(workBuffer, runBuffer, 0, i, xOffset, xSize);

      }
      if(image.IsGlobalMemory)
         image.Release();

      codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1_getrowcolcompresed.BMP"), RasterImageFormat.Bmp, 0);

      image.Dispose();
      codecs.Dispose();
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}