//each platform/canvas has its own representation of this Font
//this is just a request for specficic font presentation at a time
//-----
public RequestFont(string facename, float fontSizeInPts, FontStyle style = FontStyle.Regular)
: this(facename, Len.Pt(fontSizeInPts), style)
{
}
public static RequestFont FromFile(string typefacePath, float sizeInPoints) => FromFile(typefacePath, Len.Pt(sizeInPoints));
public static Choice ChoiceFromFile(string typefacePath, float sizeInPoints) => ChoiceFromFile(typefacePath, Len.Pt(sizeInPoints));
public RequestFont(string fontFamily, float fontSizeInPts, ushort fontWeight = 400, RequestFontStyle cssFontStyle = RequestFontStyle.Regular)
: this(fontFamily, Len.Pt(fontSizeInPts), fontWeight, cssFontStyle)
{
}