/// <summary>
/// Performs a transformation on the image.
/// </summary>
/// <param name="stream">The <see cref="ImageData"/> to transform.</param>
/// <param name="offset">The offset in the stream.</param>
/// <param name="d1">The first <see cref="PixelColor"/> to use.</param>
/// <param name="d2">The second <see cref="PixelColor"/> to use.</param>
public void Transform(ImageData stream, int offset, PixelColor d1, PixelColor d2)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (offset < 0)
{
throw new ArgumentException(nameof(offset));
}
if (d1 == null)
{
throw new ArgumentNullException(nameof(d1));
}
if (d2 == null)
{
throw new ArgumentNullException(nameof(d2));
}
stream[offset] = PixelColor.ErrorPixelColor.Red;
stream[offset + 1] = PixelColor.ErrorPixelColor.Green;
stream[offset + 2] = PixelColor.ErrorPixelColor.Blue;
stream[offset + 3] = new ColorsDistance(d1, d2).Value;
}
/// <summary>
/// Performs a transformation on the image.
/// </summary>
/// <param name="stream">The <see cref="ImageData"/> to transform.</param>
/// <param name="offset">The offset in the stream.</param>
/// <param name="d1">The first <see cref="PixelColor"/> to use.</param>
/// <param name="d2">The second <see cref="PixelColor"/> to use.</param>
public void Transform(ImageData stream, int offset, PixelColor d1, PixelColor d2)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (offset < 0)
{
throw new ArgumentException(nameof(offset));
}
if (d1 == null)
{
throw new ArgumentNullException(nameof(d1));
}
if (d2 == null)
{
throw new ArgumentNullException(nameof(d2));
}
double ratio = new ColorsDistance(d1, d2).Value / 255 * 0.8;
stream[offset] = ((1 - ratio) * (d2.Red * (PixelColor.ErrorPixelColor.Red / 255)) + ratio * PixelColor.ErrorPixelColor.Red);
stream[offset + 1] = ((1 - ratio) * (d2.Green * (PixelColor.ErrorPixelColor.Green / 255)) + ratio * PixelColor.ErrorPixelColor.Green);
stream[offset + 2] = ((1 - ratio) * (d2.Blue * (PixelColor.ErrorPixelColor.Blue / 255)) + ratio * PixelColor.ErrorPixelColor.Blue);
stream[offset + 3] = d2.Alpha;
}
