protected AbstractSampleGrabbingParticipant(short bitCount, int width, int height, bool flipImages)
 {
     _format     = MediaTypeTools.GetPixelFormatForBitCount(bitCount);
     _width      = width;
     _height     = height;
     _flipImages = flipImages;
 }
 protected AbstractWatermarkParticipant(short bitCount, int width, int height, bool flipImages)
 {
     _format     = MediaTypeTools.GetPixelFormatForBitCount(bitCount);
     _width      = width;
     _height     = height;
     _flipImages = flipImages;
     _bounds     = new Rectangle(0, 0, width, height);
 }