/// <summary>
/// Converts HEX, functions, or known colors to a Color object
/// </summary>
/// <returns>The Color</returns>
public Color ToColor()
{
var hex = "000000";
if (Type == TermType.Hex)
{
if ((Value.Length == 7 || Value.Length == 4) && Value.StartsWith("#"))
{
hex = Value.Substring(1);
}
else if (Value.Length == 6 || Value.Length == 3)
{
hex = Value;
}
}
else if (Type == TermType.Function)
{
if ((Function.Name.ToLower().Equals("rgb") && Function.Expression.Terms.Count == 3) ||
(Function.Name.ToLower().Equals("rgba") && Function.Expression.Terms.Count == 4))
{
int fr = 0, fg = 0, fb = 0;
for (var i = 0; i < Function.Expression.Terms.Count; i++)
{
if (Function.Expression.Terms[i].Type != TermType.Number)
{
return(Color.Black);
}
switch (i)
{
case 0:
fr = GetRGBValue(Function.Expression.Terms[i]);
break;
case 1:
fg = GetRGBValue(Function.Expression.Terms[i]);
break;
case 2:
fb = GetRGBValue(Function.Expression.Terms[i]);
break;
}
}
return(Color.FromArgb(fr, fg, fb));
}
if ((Function.Name.ToLower().Equals("hsl") && Function.Expression.Terms.Count == 3) ||
(Function.Name.Equals("hsla") && Function.Expression.Terms.Count == 4))
{
int h = 0, s = 0, v = 0;
for (var i = 0; i < Function.Expression.Terms.Count; i++)
{
if (Function.Expression.Terms[i].Type != TermType.Number)
{
return(Color.Black);
}
switch (i)
{
case 0: h = GetHueValue(Function.Expression.Terms[i]); break;
case 1: s = GetRGBValue(Function.Expression.Terms[i]); break;
case 2: v = GetRGBValue(Function.Expression.Terms[i]); break;
}
}
var hsv = new HSV(h, s, v);
return(hsv.Color);
}
}
else
{
try
{
var color = (KnownColor)Enum.Parse(typeof(KnownColor), Value, true);
return(Color.FromKnownColor(color));
}
catch
{
;
}
}
if (hex.Length == 3)
{
hex = hex.Aggregate("", (current, c) =>
current + (c.ToString(CultureInfo.InvariantCulture) + c.ToString(CultureInfo.InvariantCulture)));
}
var r = DeHex(hex.Substring(0, 2));
var g = DeHex(hex.Substring(2, 2));
var b = DeHex(hex.Substring(4));
return(Color.FromArgb(r, g, b));
}
/// <summary>
/// Converts HEX, functions, or known colors to a Color object
/// </summary>
/// <returns>The Color</returns>
public Color ToColor()
{
var hex = "000000";
if (Type == TermType.Hex)
{
if ((Value.Length == 7 || Value.Length == 4) && Value.StartsWith("#"))
{
hex = Value.Substring(1);
}
else if (Value.Length == 6 || Value.Length == 3)
{
hex = Value;
}
}
else if (Type == TermType.Function)
{
if ((Function.Name.ToLower().Equals("rgb") && Function.Expression.Terms.Count == 3)
|| (Function.Name.ToLower().Equals("rgba") && Function.Expression.Terms.Count == 4))
{
int fr = 0, fg = 0, fb = 0;
for (var i = 0; i < Function.Expression.Terms.Count; i++)
{
if (Function.Expression.Terms[i].Type != TermType.Number)
{
return Color.Black;
}
switch (i)
{
case 0:
fr = GetRGBValue(Function.Expression.Terms[i]);
break;
case 1:
fg = GetRGBValue(Function.Expression.Terms[i]);
break;
case 2:
fb = GetRGBValue(Function.Expression.Terms[i]);
break;
}
}
return Color.FromArgb(fr, fg, fb);
}
if ((Function.Name.ToLower().Equals("hsl") && Function.Expression.Terms.Count == 3)
|| (Function.Name.Equals("hsla") && Function.Expression.Terms.Count == 4))
{
int h = 0, s = 0, v = 0;
for (var i = 0; i < Function.Expression.Terms.Count; i++)
{
if (Function.Expression.Terms[i].Type != TermType.Number)
{
return Color.Black;
}
switch (i)
{
case 0: h = GetHueValue(Function.Expression.Terms[i]); break;
case 1: s = GetRGBValue(Function.Expression.Terms[i]); break;
case 2: v = GetRGBValue(Function.Expression.Terms[i]); break;
}
}
var hsv = new HSV(h, s, v);
return hsv.Color;
}
}
else
{
try
{
var color = (KnownColor)Enum.Parse(typeof(KnownColor), Value, true);
return Color.FromKnownColor(color);
}
catch
{
;
}
}
if (hex.Length == 3)
{
hex = hex.Aggregate("", (current, c) =>
current + (c.ToString(CultureInfo.InvariantCulture) + c.ToString(CultureInfo.InvariantCulture)));
}
var r = DeHex(hex.Substring(0, 2));
var g = DeHex(hex.Substring(2, 2));
var b = DeHex(hex.Substring(4));
return Color.FromArgb(r, g, b);
}
