public override string ToString(string format, IFormatProvider formatProvider)
{
var engine = formatProvider as KalkEngine;
var builder = new StringBuilder();
builder.Append(TypeName);
builder.Append('(');
var length = this is KalkColorRgb ? 3 : 4;
for (int i = 0; i < length; i++)
{
if (i > 0)
{
builder.Append(", ");
}
builder.Append(engine != null ? engine.ObjectToString(this[i]) : this[i].ToString(null, formatProvider));
}
builder.Append(')');
bool isAligned = format == "aligned";
// rgb(240, 248, 255)
// rgb(255, 255, 255, 255)
if (isAligned)
{
if (length == 3)
{
builder.Append(' ', "rgb(255, 255, 255)".Length - builder.Length);
}
else if (length == 4)
{
builder.Append(' ', "rgb(255, 255, 255, 255)".Length - builder.Length);
}
}
builder.Append(" ## ");
for (int i = 0; i < length; i++)
{
builder.Append($"{this[i]:X2}");
}
if (engine != null && engine.IsOutputSupportHighlighting)
{
builder.Append(" ");
builder.Append(ConsoleStyle.BackgroundRgb(this[0], this[1], this[2]));
builder.Append(" ");
builder.Append(ConsoleStyle.Reset);
}
// Add known color name
if (KalkColorRgb.TryGetKnownColor(rgb, out var colorName))
{
builder.Append(isAligned ? $" {colorName,-20}" : $" {colorName}");
}
builder.Append(" ##");
return(builder.ToString());
}
protected override void ProcessSingleArgument(TemplateContext context, ref int index, object arg, KalkVector <byte> vector)
{
int value;
switch (arg)
{
case string rgbStr:
try
{
if (!KalkColorRgb.TryGetKnownColor(rgbStr, out value))
{
value = int.Parse(rgbStr.TrimStart('#'), System.Globalization.NumberStyles.HexNumber);
}
}
catch
{
throw new ScriptArgumentException(0, $"Expecting a known color (e.g `AliceBlue`) or an hexadecimal rgb string (e.g #FF80C2) instead of `{rgbStr}`. Type `colors` for listing known colors.");
}
break;
default:
if (arg is IList)
{
base.ProcessSingleArgument(context, ref index, arg, vector);
return;
}
value = context.ToObject <int>(context.CurrentSpan, arg);
break;
}
vector[index++] = (byte)((value >> 16) & 0xFF);
vector[index++] = (byte)((value >> 8) & 0xFF);
vector[index++] = (byte)(value & 0xFF);
if (Dimension == 4)
{
vector[index++] = (byte)((value >> 24) & 0xFF);
}
}
public KalkColorRgb(KalkColorRgb values) : base(values)
{
this[3] = 0xFF;
}
