/// <summary>
/// Adds a <c>bodyPr</c> node (Body Properties) to the node of type <c>txPr</c> (Text properties) specified. Not supported in <c>EPPlus</c> library.
/// </summary>
/// <param name="textPropertiesNode"><c>txPr</c> node (Text properties).</param>
/// <param name="orientation">A <see cref="KnownLabelOrientation" /> value from model.</param>
/// <remarks>
/// For more information please see <a href="http://www.schemacentral.com/sc/ooxml/e-a_bodyPr-2.html">http://www.schemacentral.com/sc/ooxml/e-a_bodyPr-2.html</a>
/// </remarks>
private static void AddBodyPropertiesNode(this XmlNode textPropertiesNode, KnownLabelOrientation orientation)
{
var rotAttr = ChartXmlHelper.CreateAttribute("rot");
rotAttr.Value = orientation.ToAngle().ToString(CultureInfo.InvariantCulture);
var vertAttr = ChartXmlHelper.CreateAttribute("vert");
vertAttr.Value = orientation == KnownLabelOrientation.Vertical ? "wordArtVert" : "horz";
var bodyPropertiesNode = ChartXmlHelper.CreateOrDefaultAndAppendElementToNode(textPropertiesNode, "a", "bodyPr");
bodyPropertiesNode.Attributes.Append(rotAttr);
bodyPropertiesNode.Attributes.Append(vertAttr);
}
/// <summary>
/// Converter for <see cref="T:iTin.Export.Model.KnownLabelOrientation"/> enumeration type to angle degree.
/// </summary>
/// <param name="orientation">Orientation style from model.</param>
/// <returns>
/// Orientation as angle in degrees.
/// </returns>
/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">The value specified is outside the range of valid values.</exception>
public static float ToAngle(this KnownLabelOrientation orientation)
{
SentinelHelper.IsEnumValid(orientation);
switch (orientation)
{
case KnownLabelOrientation.Upward:
return(-5400000);
case KnownLabelOrientation.Downward:
return(5400000);
case KnownLabelOrientation.Vertical:
return(0);
case KnownLabelOrientation.Horizontal:
return(0);
default:
return(0);
}
}
