/// <summary>
/// ParseBrush
/// <param name="brush"> string with brush description </param>
/// <param name="formatProvider">IFormatProvider for processing string</param>
/// <param name="context">ITypeDescriptorContext</param>
/// </summary>
internal static Brush ParseBrush(string brush, IFormatProvider formatProvider, ITypeDescriptorContext context)
{
bool isPossibleKnownColor;
bool isNumericColor;
bool isScRgbColor;
bool isContextColor;
string trimmedColor = KnownColors.MatchColor(brush, out isPossibleKnownColor, out isNumericColor, out isContextColor, out isScRgbColor);
if (trimmedColor.Length == 0)
{
throw new FormatException(SR.Get(SRID.Parser_Empty));
}
// Note that because trimmedColor is exactly brush.Trim() we don't have to worry about
// extra tokens as we do with TokenizerHelper. If we return one of the solid color
// brushes then the ParseColor routine (or ColorStringToKnownColor) matched the entire
// input.
if (isNumericColor)
{
return(new SolidColorBrush(ParseHexColor(trimmedColor)));
}
if (isContextColor)
{
return(new SolidColorBrush(ParseContextColor(trimmedColor, formatProvider, context)));
}
if (isScRgbColor)
{
return(new SolidColorBrush(ParseScRgbColor(trimmedColor, formatProvider)));
}
if (isPossibleKnownColor)
{
SolidColorBrush scp = KnownColors.ColorStringToKnownBrush(trimmedColor);
if (scp != null)
{
return(scp);
}
}
// If it's not a color, so the content is illegal.
throw new FormatException(SR.Get(SRID.Parsers_IllegalToken));
}
/// <summary>
/// ParseColor
/// <param name="color"> string with color description </param>
/// <param name="formatProvider">IFormatProvider for processing string</param>
/// <param name="context">ITypeDescriptorContext</param>
/// </summary>
internal static Color ParseColor(string color, IFormatProvider formatProvider, ITypeDescriptorContext context)
{
bool isPossibleKnowColor;
bool isNumericColor;
bool isScRgbColor;
bool isContextColor;
string trimmedColor = KnownColors.MatchColor(color, out isPossibleKnowColor, out isNumericColor, out isContextColor, out isScRgbColor);
if ((isPossibleKnowColor == false) &&
(isNumericColor == false) &&
(isScRgbColor == false) &&
(isContextColor == false))
{
throw new FormatException(SR.Get(SRID.Parsers_IllegalToken));
}
//Is it a number?
if (isNumericColor)
{
return(ParseHexColor(trimmedColor));
}
else if (isContextColor)
{
return(ParseContextColor(trimmedColor, formatProvider, context));
}
else if (isScRgbColor)
{
return(ParseScRgbColor(trimmedColor, formatProvider));
}
else
{
KnownColor kc = KnownColors.ColorStringToKnownColor(trimmedColor);
if (kc == KnownColor.UnknownColor)
{
throw new FormatException(SR.Get(SRID.Parsers_IllegalToken));
}
return(Color.FromUInt32((uint)kc));
}
}