/// <summary>
/// ShrinkToFit - Shrink the data to fit in exactly one chunk
/// </summary>
internal void ShrinkToFit()
{
Debug.Assert(_chunkList.Count != 0);
if (_chunkList.Count > 1 ||
_chunkList[0].Length != _currOffset)
{
byte [] buffer = new byte[_currOffset];
unsafe
{
fixed(byte *pbData = buffer)
{
ReadData(pbData, 0, _currOffset);
}
}
ByteStreamGeometryContext.ReturnChunkToPool(_chunkList[0]);
// The common case is a single chunk in a SingleItemList held by the FrugalStructList.
// Avoid tearing down and recreating the SingleItemList by updating the lone element in-place,
// especially since ShrinkToFit is called from DisposeCore when this object is about to die.
if (_chunkList.Count == 1)
{
_chunkList[0] = buffer;
}
else
{
_chunkList = new FrugalStructList <byte[]>();
_chunkList.Add(buffer);
}
}
}
/// <summary>
/// GetPathGeometryData - returns a byte[] which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
if (IsObviouslyEmpty())
{
return(Geometry.GetEmptyPathGeometryData());
}
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule.EvenOdd;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
Point[] points = GetPointList();
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
ctx.BeginFigure(points[0], true /* is filled */, true /* is closed */);
// i == 0, 3, 6, 9
for (int i = 0; i < 12; i += 3)
{
ctx.BezierTo(points[i + 1], points[i + 2], points[i + 3], true /* is stroked */, true /* is smooth join */);
}
ctx.Close();
data.SerializedData = ctx.GetData();
return(data);
}
/// <summary>
/// GetPathGeometryData - returns a struct which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
if (IsObviouslyEmpty())
{
return(Geometry.GetEmptyPathGeometryData());
}
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
PathFigureCollection figures = Figures;
int figureCount = figures == null ? 0 : figures.Count;
for (int i = 0; i < figureCount; i++)
{
figures.Internal_GetItem(i).SerializeData(ctx);
}
ctx.Close();
data.SerializedData = ctx.GetData();
return(data);
}
/// <summary>
/// GetPathGeometryData - returns a byte[] which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
if (IsObviouslyEmpty())
{
return(Geometry.GetEmptyPathGeometryData());
}
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule.EvenOdd;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
double radiusX = RadiusX;
double radiusY = RadiusY;
Rect rect = Rect;
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
if (IsRounded(radiusX, radiusY))
{
Point[] points = GetPointList(rect, radiusX, radiusY);
ctx.BeginFigure(points[0], true /* is filled */, true /* is closed */);
ctx.BezierTo(points[1], points[2], points[3], true /* is stroked */, false /* is smooth join */);
ctx.LineTo(points[4], true /* is stroked */, false /* is smooth join */);
ctx.BezierTo(points[5], points[6], points[7], true /* is stroked */, false /* is smooth join */);
ctx.LineTo(points[8], true /* is stroked */, false /* is smooth join */);
ctx.BezierTo(points[9], points[10], points[11], true /* is stroked */, false /* is smooth join */);
ctx.LineTo(points[12], true /* is stroked */, false /* is smooth join */);
ctx.BezierTo(points[13], points[14], points[15], true /* is stroked */, false /* is smooth join */);
}
else
{
ctx.BeginFigure(rect.TopLeft, true /* is filled */, true /* is closed */);
ctx.LineTo(Rect.TopRight, true /* is stroked */, false /* is smooth join */);
ctx.LineTo(Rect.BottomRight, true /* is stroked */, false /* is smooth join */);
ctx.LineTo(Rect.BottomLeft, true /* is stroked */, false /* is smooth join */);
}
ctx.Close();
data.SerializedData = ctx.GetData();
return(data);
}
/// <summary>
/// GetPathGeometryData - returns a byte[] which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
if (IsObviouslyEmpty())
{
return(Geometry.GetEmptyPathGeometryData());
}
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule.EvenOdd;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
ctx.BeginFigure(StartPoint, true /* is filled */, false /* is closed */);
ctx.LineTo(EndPoint, true /* is stroked */, false /* is smooth join */);
ctx.Close();
data.SerializedData = ctx.GetData();
return(data);
}
/// <summary>
/// AppendData - append data to the buffer.
/// </summary>
/// <param name="pbData">
/// byte* pointing to at least cbDataSize bytes which will be copied to the stream.
/// </param>
/// <param name="cbDataSize"> int - the size, in bytes, of pbData. Must be >= 0. </param>
private unsafe void AppendData(byte *pbData,
int cbDataSize)
{
Invariant.Assert(cbDataSize >= 0);
int newOffset;
checked
{
newOffset = _currOffset + cbDataSize;
}
if (_chunkList.Count == 0)
{
byte[] chunk = ByteStreamGeometryContext.AcquireChunkFromPool();
_chunkList.Add(chunk);
}
ReadWriteData(false /* writing */, pbData, cbDataSize, _chunkList.Count - 1, ref _currChunkOffset);
_currOffset = newOffset;
}
/// <summary>
/// GetPathGeometryData - returns a byte[] which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
if (IsObviouslyEmpty())
{
return Geometry.GetEmptyPathGeometryData();
}
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule.EvenOdd;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
Point[] points = GetPointList();
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
ctx.BeginFigure(points[0], true /* is filled */, true /* is closed */);
// i == 0, 3, 6, 9
for (int i = 0; i < 12; i += 3)
{
ctx.BezierTo(points[i + 1], points[i + 2], points[i + 3], true /* is stroked */, true /* is smooth join */);
}
ctx.Close();
data.SerializedData = ctx.GetData();
return data;
}
/// <summary>
/// GetPathGeometryData - returns a byte[] which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
if (IsObviouslyEmpty())
{
return Geometry.GetEmptyPathGeometryData();
}
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule.EvenOdd;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
ctx.BeginFigure(StartPoint, true /* is filled */, false /* is closed */);
ctx.LineTo(EndPoint, true /* is stroked */, false /* is smooth join */);
ctx.Close();
data.SerializedData = ctx.GetData();
return data;
}
/// <summary>
/// GetPathGeometryData - returns a struct which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
if (IsObviouslyEmpty())
{
return Geometry.GetEmptyPathGeometryData();
}
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
PathFigureCollection figures = Figures;
int figureCount = figures == null ? 0 : figures.Count;
for (int i = 0; i < figureCount; i++)
{
figures.Internal_GetItem(i).SerializeData(ctx);
}
ctx.Close();
data.SerializedData = ctx.GetData();
return data;
}
/// <summary>
/// GetPathGeometryData - returns a byte[] which contains this Geometry represented
/// as a path geometry's serialized format.
/// </summary>
internal override PathGeometryData GetPathGeometryData()
{
if (IsObviouslyEmpty())
{
return Geometry.GetEmptyPathGeometryData();
}
PathGeometryData data = new PathGeometryData();
data.FillRule = FillRule.EvenOdd;
data.Matrix = CompositionResourceManager.TransformToMilMatrix3x2D(Transform);
double radiusX = RadiusX;
double radiusY = RadiusY;
Rect rect = Rect;
ByteStreamGeometryContext ctx = new ByteStreamGeometryContext();
if (IsRounded(radiusX, radiusY))
{
Point[] points = GetPointList(rect, radiusX, radiusY);
ctx.BeginFigure(points[0], true /* is filled */, true /* is closed */);
ctx.BezierTo(points[1], points[2], points[3], true /* is stroked */, false /* is smooth join */);
ctx.LineTo(points[4], true /* is stroked */, false /* is smooth join */);
ctx.BezierTo(points[5], points[6], points[7], true /* is stroked */, false /* is smooth join */);
ctx.LineTo(points[8], true /* is stroked */, false /* is smooth join */);
ctx.BezierTo(points[9], points[10], points[11], true /* is stroked */, false /* is smooth join */);
ctx.LineTo(points[12], true /* is stroked */, false /* is smooth join */);
ctx.BezierTo(points[13], points[14], points[15], true /* is stroked */, false /* is smooth join */);
}
else
{
ctx.BeginFigure(rect.TopLeft, true /* is filled */, true /* is closed */);
ctx.LineTo(Rect.TopRight, true /* is stroked */, false /* is smooth join */);
ctx.LineTo(Rect.BottomRight, true /* is stroked */, false /* is smooth join */);
ctx.LineTo(Rect.BottomLeft, true /* is stroked */, false /* is smooth join */);
}
ctx.Close();
data.SerializedData = ctx.GetData();
return data;
}