public SurfaceStyling(IEnumerable <SurfaceStyle> styles)
{
foreach (var style in styles)
{
switch (style.Side)
{
case IfcSurfaceSide.POSITIVE:
FrontFaceStyle = style;
break;
case IfcSurfaceSide.NEGATIVE:
BackFaceStyle = style;
break;
case IfcSurfaceSide.BOTH:
FrontFaceStyle = style;
BackFaceStyle = style;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
static SurfaceStyle()
{
NullSurfaceStyle = new SurfaceStyle();
}
/// <summary>
/// returns the back face if defined or the default
/// </summary>
/// <param name="defaultStyle"></param>
/// <returns></returns>
public SurfaceStyle BackOrDefault(SurfaceStyle defaultStyle = null)
{
return(BackFaceStyle ?? defaultStyle);
}
/// <summary>
/// Returns the front face if not nul or the back face if not null or the default
/// </summary>
/// <param name="defaultStyle"></param>
/// <returns></returns>
public SurfaceStyle FrontBackOrDefault(SurfaceStyle defaultStyle = null)
{
return(FrontFaceStyle ?? BackFaceStyle ?? defaultStyle);
}
/// <summary>
/// Sets the front and back material to the style
/// </summary>
/// <param name="frontFaceStyle"></param>
public SurfaceStyling(SurfaceStyle frontFaceStyle)
{
FrontFaceStyle = frontFaceStyle;
BackFaceStyle = frontFaceStyle;
}
