/// <inheritdoc/>
public override object ConvertFrom(CultureInfo culture, string value, Type propertyType)
{
if (string.IsNullOrWhiteSpace(value))
{
return(base.ConvertFrom(culture, value, propertyType));
}
// Special case. HTML requires LightGrey, but NamedColors has LightGray to conform with System.Drawing
// Check early on.
if (value.Equals("LightGrey", StringComparison.OrdinalIgnoreCase))
{
return(Rgba32.LightGray);
}
// Numeric r,g,b - r,g,b,a
char separator = culture.TextInfo.ListSeparator[0];
if (value.Contains(separator.ToString()))
{
string[] components = value.Split(separator);
bool convert = true;
foreach (string component in components)
{
if (!NumberRegex.IsMatch(component))
{
convert = false;
}
}
if (convert)
{
List <byte> rgba = CommandParser.Instance.ParseValue <List <byte> >(value);
return(rgba.Count == 4
? ColorBuilder <Rgba32> .FromRGBA(rgba[0], rgba[1], rgba[2], rgba[3])
: ColorBuilder <Rgba32> .FromRGB(rgba[0], rgba[1], rgba[2]));
}
}
// Hex colors rgb, rrggbb, rrggbbaa
if (HexColorRegex.IsMatch(value))
{
return(Rgba32.FromHex(value));
}
// Named colors
IDictionary <string, Rgba32> table = ColorConstantsTable.Value;
return(table.ContainsKey(value) ? table[value] : base.ConvertFrom(culture, value, propertyType));
}
public static void ToImage(this MatrixData input, string fileName)
{
using (Image <Rgba32> image = new Image <Rgba32>(input.NumberOfRows, input.NumberOfColumns))
{
for (int r = 0; r < input.NumberOfRows; r++)
{
for (int c = 0; c < input.NumberOfColumns; c++)
{
byte b = byte.Parse(((double)input[r, c]).ToString());
image[r, c] = ColorBuilder <Rgba32> .FromRGB(b, b, b);
}
}
image.SaveAsBmp(File.OpenWrite(fileName));
}
}
