将GraphicsPath转为SVG代码

GraphicsPathToSVG（c#代码）

public static string GraphicsPathToSVG(GraphicsPath path)
{
PathData pathData = path.PathData;
StringBuilder def = new System.Text.StringBuilder();
int i = 0;

byte bytType;
int cCount = 0;

string strX = null;
string strY = null;

def.Append(" //if (IncludeId) def.Append("id=\"\" ");
def.Append("fill-rule=\"evenodd\"");
def.Append(" style=\"fill:orange;stroke:red;stroke-width:1\" d=\"");

for (i = 0; i <= pathData.Points.GetUpperBound(0); i++)
{
bytType = pathData.Types[i];
strX = XmlConvert.ToString(Math.Round(pathData.Points[i].X, 2));
strY = XmlConvert.ToString(Math.Round(pathData.Points[i].Y, 2));

if (bytType == 0) //Moveto
{
def.Append("M ");
def.Append(strX);
def.Append(",");
def.Append(strY);
def.Append(" ");
cCount = 0;
}
else
{
if (bytType == 1) //Lineto
{
def.Append("L ");
def.Append(strX);
def.Append(",");
def.Append(strY);
def.Append(" ");
cCount = 0;
}
else
{
if (bytType > 128) //lineto or curve and closepath
{
if (cCount == 0)
def.Append("L ");
def.Append(strX);
def.Append(",");
def.Append(strY);
def.Append(" Z ");
cCount = 0;
}
else
{
if (cCount == 0) //Curve, in groups of 3
def.Append("C ");
def.Append(strX);
def.Append(",");
def.Append(strY);
def.Append(" ");
cCount += 1;
if (cCount == 3)
cCount = 0;
}
}
}
}

def.Append("\"/>");

return def.ToString();
}