public static string ToIntegerColorString(this System.Drawing.Color color, byte defaultAlpha = 0xFF)
{
if (PhxPredicates.IsZero(color) || (color.A == defaultAlpha && PhxPredicates.IsRgbZero(color)))
{
return("0 0 0");
}
var sb = new System.Text.StringBuilder(16);
if (color.A != defaultAlpha)
{
sb.Append(color.A);
sb.Append(' ');
}
sb.Append(' ');
sb.Append(color.R);
sb.Append(' ');
sb.Append(color.G);
sb.Append(' ');
sb.Append(color.B);
return(sb.ToString());
}
public static bool StreamBVector <TDoc, TCursor>(this IO.TagElementStream <TDoc, TCursor, string> s
, string xmlName, ref BVector vector
, bool isOptional = true, IO.TagElementNodeType xmlSource = XML.XmlUtil.kSourceElement)
where TDoc : class
where TCursor : class
{
Contract.Requires(xmlSource.RequiresName() == (xmlName != XML.XmlUtil.kNoXmlName));
string string_value = null;
bool was_streamed = true;
const bool to_lower = false;
if (s.IsReading)
{
if (isOptional)
{
was_streamed = s.StreamStringOpt(xmlName, ref string_value, to_lower, xmlSource);
}
else
{
s.StreamString(xmlName, ref string_value, to_lower, xmlSource);
}
if (was_streamed)
{
var parse_result = PhxUtil.ParseBVectorString(string_value);
if (!parse_result.HasValue)
{
s.ThrowReadException(new System.IO.InvalidDataException(string.Format(
"Failed to parse value (hint: {0}) as vector: {1}",
xmlSource.RequiresName() ? xmlName : "ElementText",
string_value)));
}
vector = parse_result.Value;
}
}
else if (s.IsWriting)
{
if (isOptional && PhxPredicates.IsZero(vector))
{
was_streamed = false;
return(was_streamed);
}
string_value = vector.ToBVectorString();
if (isOptional)
{
s.StreamStringOpt(xmlName, ref string_value, to_lower, xmlSource);
}
else
{
s.StreamString(xmlName, ref string_value, to_lower, xmlSource);
}
}
return(was_streamed);
}
public static bool StreamIntegerColor <TDoc, TCursor>(this IO.TagElementStream <TDoc, TCursor, string> s
, string xmlName, ref System.Drawing.Color color
, byte defaultAlpha = 0xFF
, bool isOptional = true, IO.TagElementNodeType xmlSource = XML.XmlUtil.kSourceElement)
where TDoc : class
where TCursor : class
{
Contract.Requires(xmlSource.RequiresName() == (xmlName != XML.XmlUtil.kNoXmlName));
string string_value = null;
bool was_streamed = true;
const bool to_lower = false;
if (s.IsReading)
{
if (isOptional)
{
was_streamed = s.StreamStringOpt(xmlName, ref string_value, to_lower, xmlSource);
}
else
{
s.StreamString(xmlName, ref string_value, to_lower, xmlSource);
}
if (was_streamed)
{
if (!PhxUtil.TokenizeIntegerColor(string_value, defaultAlpha, ref color))
{
s.ThrowReadException(new System.IO.InvalidDataException(string.Format(
"Failed to parse value (hint: {0}) as color: {1}",
xmlSource.RequiresName() ? xmlName : "ElementText",
string_value)));
}
}
}
else if (s.IsWriting)
{
if (isOptional && PhxPredicates.IsZero(color))
{
was_streamed = false;
return(was_streamed);
}
string_value = color.ToIntegerColorString(defaultAlpha);
if (isOptional)
{
s.StreamStringOpt(xmlName, ref string_value, to_lower, xmlSource);
}
else
{
s.StreamString(xmlName, ref string_value, to_lower, xmlSource);
}
}
return(was_streamed);
}
public static string ToBVectorString(this BVector vector, int length = 3)
{
if (PhxPredicates.IsZero(vector))
{
switch (length)
{
case 1:
return("0");
case 2:
return("0,0");
case 3:
return("0,0,0");
case 4:
return("0,0,0,0");
default:
return("");
}
}
var sb = new System.Text.StringBuilder(32);
if (length >= 1)
{
sb.Append(vector.X.ToStringInvariant(Numbers.kFloatRoundTripFormatSpecifier));
}
if (length >= 2)
{
sb.AppendFormat(",{0}", vector.Y.ToStringInvariant(Numbers.kFloatRoundTripFormatSpecifier));
}
if (length >= 3)
{
sb.AppendFormat(",{0}", vector.Z.ToStringInvariant(Numbers.kFloatRoundTripFormatSpecifier));
}
if (length >= 4)
{
sb.AppendFormat(",{0}", vector.W.ToStringInvariant(Numbers.kFloatRoundTripFormatSpecifier));
}
return(sb.ToString());
}