private static bool IsCompositeOrNonDefaultValue <T>(DocumentCompositeNode compositeNode, IPropertyId propertyKey, T defaultValue)
{
T t = defaultValue;
PathGeometrySerializationHelper.PropertyValueKind primitiveValue = PathGeometrySerializationHelper.GetPrimitiveValue <T>(compositeNode, propertyKey, ref t);
if (primitiveValue == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(true);
}
if (primitiveValue == PathGeometrySerializationHelper.PropertyValueKind.Primitive && !object.Equals(t, defaultValue))
{
return(true);
}
return(false);
}
private static bool GetSimpleSegmentAsString(DocumentCompositeNode simpleSegmentNode, StringBuilder stringBuilder, char symbol, params IPropertyId[] pointProperties)
{
stringBuilder.Append(' ');
stringBuilder.Append(symbol);
for (int i = 0; i < (int)pointProperties.Length; i++)
{
Point point = new Point();
if (PathGeometrySerializationHelper.GetPrimitiveValue <Point>(simpleSegmentNode, pointProperties[i], ref point) == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(false);
}
if (i > 0)
{
stringBuilder.Append(' ');
}
PointSerializationHelper.AppendPoint(stringBuilder, point);
}
return(true);
}
private static bool GetArcSegmentAsString(DocumentCompositeNode arcSegmentNode, StringBuilder stringBuilder)
{
Size size = new Size();
double num = 0;
bool flag = false;
SweepDirection sweepDirection = SweepDirection.Counterclockwise;
Point point = new Point();
if (PathGeometrySerializationHelper.GetPrimitiveValue <Size>(arcSegmentNode, PathMetadata.ArcSegmentSizeProperty, ref size) == PathGeometrySerializationHelper.PropertyValueKind.Composite || PathGeometrySerializationHelper.GetPrimitiveValue <double>(arcSegmentNode, PathMetadata.ArcSegmentRotationAngleProperty, ref num) == PathGeometrySerializationHelper.PropertyValueKind.Composite || PathGeometrySerializationHelper.GetPrimitiveValue <bool>(arcSegmentNode, PathMetadata.ArcSegmentIsLargeArcProperty, ref flag) == PathGeometrySerializationHelper.PropertyValueKind.Composite || PathGeometrySerializationHelper.GetPrimitiveValue <SweepDirection>(arcSegmentNode, PathMetadata.ArcSegmentSweepDirectionProperty, ref sweepDirection) == PathGeometrySerializationHelper.PropertyValueKind.Composite || PathGeometrySerializationHelper.GetPrimitiveValue <Point>(arcSegmentNode, PathMetadata.ArcSegmentPointProperty, ref point) == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(false);
}
StringBuilder stringBuilder1 = stringBuilder;
object[] width = new object[] { size.Width, size.Height, num, null, null };
width[3] = (flag ? '1' : '0');
width[4] = (sweepDirection == SweepDirection.Clockwise ? '1' : '0');
stringBuilder1.AppendFormat(" A{0:G8},{1:G8},{2:G8},{3},{4},", width);
PointSerializationHelper.AppendPoint(stringBuilder, point);
return(true);
}
private static string GetPathGeometryAsString(DocumentCompositeNode pathGeometryNode)
{
StringBuilder stringBuilder = new StringBuilder();
Transform transform = null;
PathGeometrySerializationHelper.PropertyValueKind primitiveValue = PathGeometrySerializationHelper.GetPrimitiveValue <Transform>(pathGeometryNode, PathMetadata.GeometryTransformProperty, ref transform);
if (primitiveValue == PathGeometrySerializationHelper.PropertyValueKind.Composite || transform != null)
{
return(null);
}
FillRule fillRule = FillRule.EvenOdd;
primitiveValue = PathGeometrySerializationHelper.GetPrimitiveValue <FillRule>(pathGeometryNode, PathMetadata.PathGeometryFillRuleProperty, ref fillRule);
if (primitiveValue == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(null);
}
if (primitiveValue == PathGeometrySerializationHelper.PropertyValueKind.Primitive && fillRule != FillRule.EvenOdd)
{
stringBuilder.Append("F1 ");
}
DocumentNode item = pathGeometryNode.Properties[PathMetadata.PathGeometryFiguresProperty];
if (item != null)
{
DocumentCompositeNode documentCompositeNode = item as DocumentCompositeNode;
if (documentCompositeNode == null)
{
return(null);
}
if (!PathGeometrySerializationHelper.GetPathFigureCollectionAsString(documentCompositeNode, stringBuilder))
{
return(null);
}
}
return(stringBuilder.ToString());
}
private static bool GetPathFigureAsString(DocumentNode pathFigureNode, StringBuilder stringBuilder)
{
bool flag;
bool flag1;
StringBuilder stringBuilder1;
DocumentCompositeNode documentCompositeNode = pathFigureNode as DocumentCompositeNode;
if (documentCompositeNode == null)
{
return(false);
}
if (PathGeometrySerializationHelper.IsCompositeOrNonDefaultValue <bool>(documentCompositeNode, PathMetadata.PathFigureIsFilledProperty, true))
{
return(false);
}
Point point = new Point();
if (PathGeometrySerializationHelper.GetPrimitiveValue <Point>(documentCompositeNode, PathMetadata.PathFigureStartPointProperty, ref point) == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(false);
}
stringBuilder.Append('M');
PointSerializationHelper.AppendPoint(stringBuilder, point);
DocumentNode item = documentCompositeNode.Properties[PathMetadata.PathFigureSegmentsProperty];
if (item != null)
{
DocumentCompositeNode documentCompositeNode1 = item as DocumentCompositeNode;
if (documentCompositeNode1 == null)
{
return(false);
}
using (IEnumerator <DocumentNode> enumerator = documentCompositeNode1.Children.GetEnumerator())
{
while (enumerator.MoveNext())
{
if (PathGeometrySerializationHelper.GetPathSegmentAsString(enumerator.Current, stringBuilder))
{
continue;
}
flag1 = false;
return(flag1);
}
flag = false;
if (PathGeometrySerializationHelper.GetPrimitiveValue <bool>(documentCompositeNode, PathMetadata.PathFigureIsClosedProperty, ref flag) == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(false);
}
if (flag)
{
stringBuilder1 = stringBuilder.Append(" z");
}
return(true);
}
return(flag1);
}
flag = false;
if (PathGeometrySerializationHelper.GetPrimitiveValue <bool>(documentCompositeNode, PathMetadata.PathFigureIsClosedProperty, ref flag) == PathGeometrySerializationHelper.PropertyValueKind.Composite)
{
return(false);
}
if (flag)
{
stringBuilder1 = stringBuilder.Append(" z");
}
return(true);
}