private TiffYCbCrConverter8(TiffRational[] luma, TiffRational[] referenceBlackWhite)
{
_expanderY = new CodingRangeExpander(referenceBlackWhite[0], referenceBlackWhite[1], 255);
_expanderCb = new CodingRangeExpander(referenceBlackWhite[2], referenceBlackWhite[3], 127);
_expanderCr = new CodingRangeExpander(referenceBlackWhite[4], referenceBlackWhite[5], 127);
_converterFrom = new YCbCrToRgbConverter(luma[0], luma[1], luma[2]);
_shrinkerY = new CodingRangeShrinker(referenceBlackWhite[0], referenceBlackWhite[1], 255);
_shrinkerCb = new CodingRangeShrinker(referenceBlackWhite[2], referenceBlackWhite[3], 127);
_shrinkerCr = new CodingRangeShrinker(referenceBlackWhite[4], referenceBlackWhite[5], 127);
_converterTo = new RgbToYCbCrConverter(luma[0], luma[1], luma[2]);
}
public static YCbCrPixel[,] Convert(RgbPixel[,] matrix)
{
var height = matrix.GetLength(0);
var width = matrix.GetLength(1);
var convertedMatrix = new YCbCrPixel[height, width];
for (var i = 0; i < height; i++)
{
for (var j = 0; j < width; j++)
{
convertedMatrix[i, j] = RgbToYCbCrConverter.Convert(matrix[i, j]);
}
}
return(convertedMatrix);
}
public void Rgb_ConvertToYCbCrAndBack_SameResult()
{
var rgb = new RgbPixel(50, 150, 255);
var yCbCr = RgbToYCbCrConverter.Convert(rgb);
var newRgb = YCbCrToRgbConverter.Convert(yCbCr);
}