/// <summary>
/// Calculates the colour table needed to index the supplied pixels.
/// </summary>
/// <param name="colourQuantizationQuality">
/// Sets quality of color quantization (conversion of images
/// to the maximum 256 colors allowed by the GIF specification).
/// Lower values (minimum = 1) produce better colors, but slow
/// processing significantly. 10 is the default, and produces
/// good color mapping at reasonable speeds. Values greater
/// than 20 do not yield significant improvements in speed.
/// Defaults to 1 if not greater than zero.
/// </param>
private void CreateColourTableUsingNeuQuant(int colourQuantizationQuality)
{
byte[] rgb = ImageTools.GetRgbArray(_imageColours);
_nq = new NeuQuant(rgb, colourQuantizationQuality);
_colourTable = _nq.Process(); // create reduced palette
}
/// <summary>
/// Calculates the colour table needed to index the supplied pixels.
/// </summary>
/// <param name="colourQuantizationQuality">
/// Sets quality of color quantization (conversion of images
/// to the maximum 256 colors allowed by the GIF specification).
/// Lower values (minimum = 1) produce better colors, but slow
/// processing significantly. 10 is the default, and produces
/// good color mapping at reasonable speeds. Values greater
/// than 20 do not yield significant improvements in speed.
/// Defaults to 1 if not greater than zero.
/// </param>
private void CreateColourTableUsingNeuQuant( int colourQuantizationQuality )
{
byte[] rgb = ImageTools.GetRgbArray( _imageColours );
_nq = new NeuQuant( rgb, colourQuantizationQuality );
_colourTable = _nq.Process(); // create reduced palette
}