private static void DeserializeArcTo(BinaryReader br, byte firstByte, StreamGeometryContext sc)
{
Point point;
Size size = new Size();
double rotationAngle;
bool isStroked;
bool isSmoothJoin;
bool isLargeArc;
SweepDirection sweepDirection;
DeserializePointAndTwoBools(br, firstByte, out point, out isStroked, out isSmoothJoin);
// Read the packed byte for isLargeArd & sweepDirection.
//
// Pack isLargeArc & sweepDirection into a signle byte.
//
byte packedByte = br.ReadByte();
isLargeArc = ((packedByte & LowNibble) != 0);
sweepDirection = BoolToSweep(((packedByte & HighNibble) != 0));
size.Width = XamlSerializationHelper.ReadDouble(br);
size.Height = XamlSerializationHelper.ReadDouble(br);
rotationAngle = XamlSerializationHelper.ReadDouble(br);
sc.ArcTo(point, size, rotationAngle, isLargeArc, sweepDirection, isStroked, isSmoothJoin);
}
private static Double DeserializeDouble(BinaryReader br, bool isScaledInt)
{
if (isScaledInt)
{
return(XamlSerializationHelper.ReadScaledInteger(br));
}
else
{
return(XamlSerializationHelper.ReadDouble(br));
}
}
private static void DeserializeQuadraticBezierTo(BinaryReader br, byte firstByte, StreamGeometryContext sc)
{
Point point1;
Point point2 = new Point();
bool isStroked;
bool isSmoothJoin;
DeserializePointAndTwoBools(br, firstByte, out point1, out isStroked, out isSmoothJoin);
point2.X = XamlSerializationHelper.ReadDouble(br);
point2.Y = XamlSerializationHelper.ReadDouble(br);
sc.QuadraticBezierTo(point1, point2, isStroked, isSmoothJoin);
}
[FriendAccessAllowed] // Built into Core, also used by Framework.
internal static object DeserializeFrom(BinaryReader reader)
{
// Get the size.
uint count = reader.ReadUInt32();
PointCollection collection = new PointCollection((int)count);
for (uint i = 0; i < count; i++)
{
Point point = new Point(
XamlSerializationHelper.ReadDouble(reader),
XamlSerializationHelper.ReadDouble(reader));
collection.Add(point);
}
return(collection);
}
private static IList <Point> DeserializeListOfPointsAndTwoBools(BinaryReader br, Byte firstByte, out bool bool1, out bool bool2)
{
int count;
IList <Point> points;
Point point;
// Pack the two bools into one byte
UnPackBools(firstByte, out bool1, out bool2);
count = br.ReadInt32();
points = new List <Point>(count);
for (int i = 0; i < count; i++)
{
point = new Point(XamlSerializationHelper.ReadDouble(br),
XamlSerializationHelper.ReadDouble(br));
points.Add(point);
}
return(points);
}
