private WpfFill GetPaintFill(string uri)
{
string absoluteUri = _element.ResolveUri(uri);
if (absoluteUri.StartsWith("#", StringComparison.OrdinalIgnoreCase))
{
var elementId = absoluteUri.Substring(1);
if (_context.ContainsUrl(elementId))
{
return(null);
}
}
if (_element.Imported && _element.ImportDocument != null && _element.ImportNode != null)
{
// We need to determine whether the provided URI refers to element in the
// original document or in the current document...
SvgStyleableElement styleElm = _element.ImportNode as SvgStyleableElement;
if (styleElm != null)
{
var cssDeclaration = styleElm.GetComputedStyle(string.Empty);
string propertyValue = cssDeclaration.GetPropertyValue(_propertyName);
if (!string.IsNullOrWhiteSpace(propertyValue))
{
WpfSvgPaint importFill = new WpfSvgPaint(_context, styleElm, _propertyName);
if (string.Equals(uri, importFill.Uri, StringComparison.OrdinalIgnoreCase))
{
WpfFill fill = WpfFill.CreateFill(_element.ImportDocument, absoluteUri);
if (fill != null)
{
return(fill);
}
}
}
}
}
return(WpfFill.CreateFill(_element.OwnerDocument, absoluteUri));
}