internal static void CalcGeometryAndBoundsWithTransform(StrokeNodeIterator iterator, DrawingAttributes drawingAttributes, MatrixTypes stylusTipMatrixType, bool calculateBounds, out Geometry geometry, out Rect bounds)
{
StreamGeometry streamGeometry = new StreamGeometry();
streamGeometry.FillRule = FillRule.Nonzero;
StreamGeometryContext streamGeometryContext = streamGeometry.Open();
geometry = streamGeometry;
bounds = Rect.Empty;
try
{
List <Point> list = new List <Point>(iterator.Count * 4);
int num = iterator.Count * 2;
int num2 = 0;
for (int i = 0; i < num; i++)
{
list.Add(new Point(0.0, 0.0));
}
List <Point> list2 = new List <Point>();
double lastAngle = 0.0;
bool flag = false;
Rect rect = new Rect(0.0, 0.0, 0.0, 0.0);
for (int j = 0; j < iterator.Count; j++)
{
StrokeNode strokeNode = iterator[j];
Rect bounds2 = strokeNode.GetBounds();
if (calculateBounds)
{
bounds.Union(bounds2);
}
double num3 = Math.Abs(GetAngleDeltaFromLast(strokeNode.PreviousPosition, strokeNode.Position, ref lastAngle));
double num4 = 45.0;
if (stylusTipMatrixType == MatrixTypes.TRANSFORM_IS_UNKNOWN)
{
num4 = 10.0;
}
else if (bounds2.Height > 40.0 || bounds2.Width > 40.0)
{
num4 = 20.0;
}
bool flag2 = num3 > num4 && num3 < 360.0 - num4;
double val = rect.Height * rect.Width;
double val2 = bounds2.Height * bounds2.Width;
bool flag3 = false;
if (Math.Min(val, val2) / Math.Max(val, val2) <= 0.7)
{
flag3 = true;
}
rect = bounds2;
if ((j <= 1 || j >= iterator.Count - 2) | flag2 | flag3)
{
if (flag2 && !flag && j > 1 && j < iterator.Count - 1)
{
list2.Clear();
strokeNode.GetPreviousContourPoints(list2);
AddFigureToStreamGeometryContext(streamGeometryContext, list2, strokeNode.IsEllipse);
flag = true;
}
list2.Clear();
strokeNode.GetContourPoints(list2);
AddFigureToStreamGeometryContext(streamGeometryContext, list2, strokeNode.IsEllipse);
}
if (!flag2)
{
flag = false;
}
Quad connectingQuad = strokeNode.GetConnectingQuad();
if (!connectingQuad.IsEmpty)
{
list[num2++] = connectingQuad.A;
list[num2++] = connectingQuad.B;
list.Add(connectingQuad.D);
list.Add(connectingQuad.C);
}
if (strokeNode.IsLastNode && num2 > 0)
{
int num5 = iterator.Count * 2;
int num6 = list.Count - 1;
int num7 = num2;
for (int k = num5; k <= num6; k++)
{
list[num7] = list[k];
num7++;
}
int num8 = num5 - num2;
list.RemoveRange(num6 - num8 + 1, num8);
int num9 = num2;
int num10 = list.Count - 1;
while (num9 < num10)
{
Point value = list[num9];
list[num9] = list[num10];
list[num10] = value;
num9++;
num10--;
}
AddFigureToStreamGeometryContext(streamGeometryContext, list, isBezierFigure: false);
}
}
}
finally
{
streamGeometryContext.Close();
geometry.Freeze();
}
}
