private string ToString(string format, IFormatProvider provider)
{
if (IsIdentity)
{
return("Identity");
}
if (provider == null)
{
provider = CultureInfo.CurrentCulture;
}
if (format == null)
{
format = string.Empty;
}
var separator = NumericListTokenizer.GetSeparator(provider);
var matrixFormat = string.Format(
"{{0:{0}}}{1}{{1:{0}}}{1}{{2:{0}}}{1}{{3:{0}}}{1}{{4:{0}}}{1}{{5:{0}}}",
format, separator);
return(string.Format(provider, matrixFormat,
_m11, _m12, _m21, _m22, _offsetX, _offsetY));
}
public static Matrix Parse(string source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
Matrix value;
if (source.Trim() == "Identity")
{
value = Identity;
}
else
{
var tokenizer = new NumericListTokenizer(source, CultureInfo.InvariantCulture);
double m11;
double m12;
double m21;
double m22;
double offsetX;
double offsetY;
if (double.TryParse(tokenizer.GetNextToken(), NumberStyles.Float, CultureInfo.InvariantCulture, out m11) &&
double.TryParse(tokenizer.GetNextToken(), NumberStyles.Float, CultureInfo.InvariantCulture, out m12) &&
double.TryParse(tokenizer.GetNextToken(), NumberStyles.Float, CultureInfo.InvariantCulture, out m21) &&
double.TryParse(tokenizer.GetNextToken(), NumberStyles.Float, CultureInfo.InvariantCulture, out m22) &&
double.TryParse(tokenizer.GetNextToken(), NumberStyles.Float, CultureInfo.InvariantCulture, out offsetX) &&
double.TryParse(tokenizer.GetNextToken(), NumberStyles.Float, CultureInfo.InvariantCulture, out offsetY))
{
if (!tokenizer.HasNoMoreTokens())
{
throw new InvalidOperationException("Invalid Matrix format: " + source);
}
value = new Matrix(m11, m12, m21, m22, offsetX, offsetY);
}
else
{
throw new FormatException(string.Format("Invalid Matrix format: {0}", source));
}
}
return(value);
}
