private string ExtractMarkerImplementation(MarkerBase marker, float rotation, bool invert)
{
GraphicsPath path = marker.GetPath();
Matrix translateMatrix = new Matrix();
RectangleF rectF = new RectangleF();
rectF = path.GetBounds();
translateMatrix.Translate(-rectF.X, -rectF.Y);
path.Transform(translateMatrix);
translateMatrix.Dispose();
StringBuilder def = new StringBuilder();
def.Append("<marker id=\"\" viewbox=\"0 0 ");
//Add viewbox data
def.Append(XmlConvert.ToString(Math.Round(rectF.Width, 2)));
def.Append(" ");
def.Append(XmlConvert.ToString(Math.Round(rectF.Height, 2)));
def.Append("\" ");
//Add ref x and y
if (!invert)
{
def.Append("refX=\"");
def.Append(XmlConvert.ToString(Math.Round(rectF.Width, 2)));
def.Append("\" ");
}
def.Append("refY=\"");
def.Append(XmlConvert.ToString(Math.Round(rectF.Height / 2, 2)));
def.Append("\" ");
//Units
def.Append("markerUnits=\"strokeWidth\" ");
//markerWidth and Height
def.Append("markerWidth=\"");
def.Append(XmlConvert.ToString(Math.Round(rectF.Width, 2)));
def.Append("\" ");
def.Append("markerHeight=\"");
def.Append(XmlConvert.ToString(Math.Round(rectF.Height, 2)));
def.Append("\" ");
//Orient
def.Append("orient=\"auto\" ");
//Stroke-width
def.Append("stroke=\"");
def.Append(Style.GetCompatibleColor(marker.BorderColor));
def.Append("\" ");
//Stroke-width
def.Append("stroke-width=\"");
def.Append(XmlConvert.ToString(Math.Round(marker.BorderWidth, 2)));
def.Append("\" ");
//Fill
def.Append("fill=\"");
if (marker.DrawBackground)
{
def.Append(Style.GetCompatibleColor(marker.BackColor));
}
else
{
def.Append("white");
}
def.Append("\" ");
def.Append(">");
//Append path
if (_definition == null)
{
_definition = new Definition(marker.GetPath());
_definition.IncludeId = false;
}
else
{
_definition.Path = marker.GetPath();
}
_definition.Rotate(rotation);
def.Append(_definition.ExtractPath());
//Close tag
def.Append("</marker>");
return(def.ToString());
}