/// <summary>
/// Sets builtin parent scheme to Default for light background schemes, and Darcula for dark
/// background schemes.
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
private static string SetParentScheme(string xml)
{
var root = XElement.Parse(xml);
var textOption = root.Elements("attributes").Descendants("option")
.First(x => x.Attribute("name")?.Value == "TEXT");
string textFG = textOption.Descendants("value").Descendants("option")
.First(x => x.Attribute("name")?.Value == "FOREGROUND").Attribute("value")?.Value;
string textBG = textOption.Descendants("value").Descendants("option")
.First(x => x.Attribute("name")?.Value == "BACKGROUND").Attribute("value")?.Value;
if (!string.IsNullOrEmpty(textFG) && !string.IsNullOrEmpty(textBG) && HexRgbUtil.IsValidHexString(textFG) &&
HexRgbUtil.IsValidHexString(textBG))
{
var fg = HexRgbUtil.RGBStringToColor(textFG);
var bg = HexRgbUtil.RGBStringToColor(textBG);
Console.WriteLine(
$"Background #{textBG} ({bg.CompareValue():F3}), Foreground #{textFG} ({fg.CompareValue():F3})");
var parentScheme = "Default";
if (fg.GetBrightness() > bg.GetBrightness())
{
parentScheme = "Darcula";
}
root.Attribute("parent_scheme")?.SetValue(parentScheme);
return(root.ToString());
}
return(xml);
}
/// <summary>
/// Converts RGB hex string to Color. Applies padding to short strings by the color scheme padding rules.
/// </summary>
/// <param name="rgbString"></param>
/// <param name="formats"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public static Color PaddableHexStringToColor(string rgbString, IEnumerable <PaddableHexFormat> formats)
{
foreach (var format in formats)
{
string rgbHexFormat = format.HexFormat;
if (format.Padding != null && format.Padding.Length != format.HexFormat.Length)
{
throw new Exception("RGB hex string misconfiguration: " + format.HexFormat + " with padding " +
format.Padding);
}
if (HexRgbUtil.IsValidHexString(rgbString) && rgbString.Length <= rgbHexFormat.Length)
{
if (rgbString.Length < rgbHexFormat.Length)
{
if (format.PaddingDirection == PaddingDirection.Left ||
format.PaddingDirection == PaddingDirection.Right)
{
switch (format.PaddingDirection)
{
case PaddingDirection.Left:
rgbString = rgbString.PadLeft(format.Padding);
break;
case PaddingDirection.Right:
rgbString = rgbString.PadRight(format.Padding);
break;
}
}
}
if (rgbString.Length == rgbHexFormat.Length)
{
return(HexRgbUtil.HexStringToColor(rgbString, rgbHexFormat));
}
}
}
throw new Exception("Invalid color string: " + rgbString);
}
