internal static IExcelColor ReadColor(XElement node, ExcelDrawingColorSettings drawingColorSettings)
{
if (node.Name.LocalName == "schemeClr")
{
string str = node.GetAttributeValueOrDefaultOfStringType("val", null).ToUpperInvariant();
foreach (XElement element in node.Elements())
{
if (element.Name.LocalName == "alpha")
{
drawingColorSettings.Alpha = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "shade")
{
drawingColorSettings.Shade = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "tint")
{
drawingColorSettings.Tint = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "hue")
{
drawingColorSettings.Hue = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "hueOff")
{
drawingColorSettings.HueOff = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "hueMod")
{
drawingColorSettings.HueMod = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "sat")
{
drawingColorSettings.Sat = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "satOff")
{
drawingColorSettings.SatOff = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "satMod")
{
drawingColorSettings.SatMod = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "lum")
{
drawingColorSettings.Lum = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "lumOff")
{
drawingColorSettings.LumOff = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element.Name.LocalName == "lumMod")
{
drawingColorSettings.LumMod = new double?((double)element.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
}
if (!string.IsNullOrWhiteSpace(str))
{
return(new ExcelColor(ExcelColorType.Theme, (uint)str.ToColorSchmeIndex(), 0.0));
}
}
else
{
if (node.Name.LocalName == "hslClr")
{
int num = node.GetAttributeValueOrDefaultOfInt32Type("hue", 0);
int num2 = node.GetAttributeValueOrDefaultOfInt32Type("sat", 0);
int num3 = node.GetAttributeValueOrDefaultOfInt32Type("lum", 0);
foreach (XElement element2 in node.Elements())
{
if (element2.Name.LocalName == "alpha")
{
drawingColorSettings.Alpha = new double?((double)element2.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element2.Name.LocalName == "shade")
{
drawingColorSettings.Shade = new double?((double)element2.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element2.Name.LocalName == "tint")
{
drawingColorSettings.Tint = new double?((double)element2.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
}
return(new ExcelColor(ExcelColorType.RGB, ColorExtension.ConvertHLSToRGB((double)num, (double)num3, (double)num2).ToArgb(), 0.0));
}
if (node.Name.LocalName == "prstClr")
{
string str2 = node.GetAttributeValueOrDefaultOfStringType("val", null);
foreach (XElement element3 in node.Elements())
{
if (element3.Name.LocalName == "alpha")
{
drawingColorSettings.Alpha = new double?((double)element3.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element3.Name.LocalName == "shade")
{
drawingColorSettings.Shade = new double?((double)element3.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element3.Name.LocalName == "tint")
{
drawingColorSettings.Tint = new double?((double)element3.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
}
if (!string.IsNullOrWhiteSpace(str2))
{
return(new ExcelColor(ExcelColorType.RGB, ColorExtension.FromPresetColorVal(str2).ToArgb(), 0.0));
}
}
else
{
if (node.Name.LocalName == "scrgbClr")
{
float val = node.GetAttributeValueOrDefaultOfFloatType("r", 0f);
float num5 = node.GetAttributeValueOrDefaultOfFloatType("g", 0f);
float num6 = node.GetAttributeValueOrDefaultOfFloatType("b", 0f);
foreach (XElement element4 in node.Elements())
{
if (element4.Name.LocalName == "alpha")
{
drawingColorSettings.Alpha = new double?((double)element4.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element4.Name.LocalName == "shade")
{
drawingColorSettings.Shade = new double?((double)element4.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element4.Name.LocalName == "tint")
{
drawingColorSettings.Tint = new double?((double)element4.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
}
return(new ExcelColor(ExcelColorType.RGB, GcColor.FromArgb(0xff, ColorExtension.ScRgbTosRgb(val), ColorExtension.ScRgbTosRgb(num5), ColorExtension.ScRgbTosRgb(num6)).ToArgb(), 0.0));
}
if (node.Name.LocalName == "srgbClr")
{
string str3 = node.GetAttributeValueOrDefaultOfStringType("val", null);
foreach (XElement element5 in node.Elements())
{
if (element5.Name.LocalName == "alpha")
{
drawingColorSettings.Alpha = new double?((double)element5.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element5.Name.LocalName == "shade")
{
drawingColorSettings.Shade = new double?((double)element5.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element5.Name.LocalName == "tint")
{
drawingColorSettings.Tint = new double?((double)element5.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
}
if (!string.IsNullOrEmpty(str3))
{
uint num7 = 0;
if (uint.TryParse(str3, (NumberStyles)NumberStyles.HexNumber, (IFormatProvider)CultureInfo.InvariantCulture, out num7))
{
return(new ExcelColor(ExcelColorType.RGB, num7, 0.0));
}
}
}
else if (node.Name.LocalName == "sysClr")
{
GcColor color = new GcColor();
bool flag = ExcelSystemColor.TryGetSystemColor(node.GetAttributeValueOrDefaultOfStringType("val", null), out color);
foreach (XElement element6 in node.Elements())
{
if (element6.Name.LocalName == "alpha")
{
drawingColorSettings.Alpha = new double?((double)element6.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element6.Name.LocalName == "shade")
{
drawingColorSettings.Shade = new double?((double)element6.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element6.Name.LocalName == "tint")
{
drawingColorSettings.Tint = new double?((double)element6.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
else if (element6.Name.LocalName == "lumMode")
{
drawingColorSettings.LumMod = new double?((double)element6.GetAttributeValueOrDefaultOfInt32Type("val", 0));
}
}
if (flag)
{
return(new ExcelColor(ExcelColorType.RGB, color.ToArgb(), 0.0));
}
}
}
}
return(null);
}