private static void ApplyColorMap(XNode xaml, ColorMap colorMap)
{
if (!(xaml.XPathEvaluate("//@*") is IEnumerable attributes))
{
return;
}
IEnumerable <XAttribute> colorValues = attributes.OfType <XAttribute>().Where(a => a.Value.StartsWith("#"));
foreach (XAttribute colorAttribute in colorValues)
{
if (!(colorConverter.ConvertFromInvariantString(colorAttribute.Value) is Color color))
{
continue;
}
if (!(colorAttribute.Parent is XElement parent))
{
continue;
}
double opacity = 1.0;
if (parent.Attribute("Opacity")?.Value is string opacityString)
{
opacity = double.Parse(opacityString, CultureInfo.InvariantCulture);
}
ColorEx colorEx = new ColorEx(color, opacity);
if (colorMap.TryGetValue(colorEx, out ColorMapEntry entry) && colorConverter.ConvertToInvariantString(entry.ModifiedColor.Color) is string newValue)
{
colorAttribute.Value = newValue;
parent.SetAttributeValue("Opacity", entry.ModifiedColor.Opacity);
}
else
{
colorMap.Add(new ColorMapEntry(colorEx));
}
}
}
public ColorMapEntry(ColorEx originalColor)
{
OriginalColor = originalColor;
ModifiedColor = originalColor;
}
public bool TryGetValue(ColorEx colorEx, out ColorMapEntry colorMapEntry)
{
colorMapEntry = this.FirstOrDefault(e => e.OriginalColor == colorEx);
return(colorMapEntry != null);
}