public static void ValidateImages <T>(this IImageProcessor <T> factory, T[,] images, IProgress prog, out int rows, out int columns, out int components, out int tileWidth, out int tileHeight)
{
if (factory is null)
{
throw new ArgumentNullException(nameof(factory));
}
if (images is null)
{
throw new ArgumentNullException(nameof(images));
}
if (images.Length == 0)
{
}
var r = images.GetLength(0);
var c = images.GetLength(1);
if (r * c == 0)
{
throw new ArgumentException("Must have at least one image.", nameof(images));
}
rows = r;
columns = c;
prog.Report(0);
components = 0;
tileWidth = 0;
tileHeight = 0;
var anyNotNull = false;
for (var y = 0; y < rows; ++y)
{
for (var x = 0; x < columns; ++x)
{
var img = images[y, x];
if (img is object)
{
if (!anyNotNull)
{
tileWidth = factory.GetWidth(img);
tileHeight = factory.GetHeight(img);
components = factory.GetComponents(img);
}
anyNotNull = true;
if (img is object &&
(factory.GetWidth(img) != tileWidth ||
factory.GetHeight(img) != tileHeight))
{
var yStr = y.ToString(CultureInfo.InvariantCulture);
var xStr = x.ToString(CultureInfo.InvariantCulture);
throw new ArgumentException($"All elements of {nameof(images)} must be the same width and height. Image [{yStr},{xStr}] did not match image 0.");
}
}
}
}
if (!anyNotNull)
{
throw new ArgumentNullException(nameof(images), $"Expected at least one image in {nameof(images)} to be not null");
}
}