public virtual PathGeometry GetOutlinedPathGeometry(double tolerance, ToleranceType type)
{
ReadPreamble();
if (IsObviouslyEmpty())
{
return(new PathGeometry());
}
PathGeometryData pathData = GetPathGeometryData();
if (pathData.IsEmpty())
{
return(new PathGeometry());
}
PathGeometry resultGeometry = null;
unsafe
{
fixed(byte *pbPathData = pathData.SerializedData)
{
Invariant.Assert(pbPathData != (byte *)0);
FillRule fillRule = FillRule.Nonzero;
PathGeometry.FigureList list = new PathGeometry.FigureList();
int hr = UnsafeNativeMethods.MilCoreApi.MilUtility_PathGeometryOutline(
&pathData.Matrix,
pathData.FillRule,
pbPathData,
pathData.Size,
tolerance,
type == ToleranceType.Relative,
new PathGeometry.AddFigureToListDelegate(list.AddFigureToList),
out fillRule);
if (hr == (int)MILErrors.WGXERR_BADNUMBER)
{
// When we encounter NaNs in the renderer, we absorb the error and draw
// nothing. To be consistent, we return an empty geometry.
resultGeometry = new PathGeometry();
}
else
{
HRESULT.Check(hr);
resultGeometry = new PathGeometry(list.Figures, fillRule, null);
}
}
}
return(resultGeometry);
}
public virtual PathGeometry GetOutlinedPathGeometry(double tolerance, ToleranceType type)
{
ReadPreamble();
if (IsObviouslyEmpty())
{
return new PathGeometry();
}
PathGeometryData pathData = GetPathGeometryData();
if (pathData.IsEmpty())
{
return new PathGeometry();
}
PathGeometry resultGeometry = null;
unsafe
{
fixed (byte* pbPathData = pathData.SerializedData)
{
Invariant.Assert(pbPathData != (byte*)0);
FillRule fillRule = FillRule.Nonzero;
PathGeometry.FigureList list = new PathGeometry.FigureList();
int hr = UnsafeNativeMethods.MilCoreApi.MilUtility_PathGeometryOutline(
&pathData.Matrix,
pathData.FillRule,
pbPathData,
pathData.Size,
tolerance,
type == ToleranceType.Relative,
new PathGeometry.AddFigureToListDelegate(list.AddFigureToList),
out fillRule);
if (hr == (int)MILErrors.WGXERR_BADNUMBER)
{
// When we encounter NaNs in the renderer, we absorb the error and draw
// nothing. To be consistent, we return an empty geometry.
resultGeometry = new PathGeometry();
}
else
{
HRESULT.Check(hr);
resultGeometry = new PathGeometry(list.Figures, fillRule, null);
}
}
}
return resultGeometry;
}
public virtual PathGeometry GetWidenedPathGeometry(Pen pen, double tolerance, ToleranceType type)
{
ReadPreamble();
if (pen == null)
{
throw new System.ArgumentNullException("pen");
}
if (IsObviouslyEmpty())
{
return(new PathGeometry());
}
PathGeometryData pathData = GetPathGeometryData();
if (pathData.IsEmpty())
{
return(new PathGeometry());
}
PathGeometry resultGeometry = null;
unsafe
{
MIL_PEN_DATA penData;
double[] dashArray = null;
pen.GetBasicPenData(&penData, out dashArray);
fixed(byte *pbPathData = pathData.SerializedData)
{
Debug.Assert(pbPathData != (byte *)0);
FillRule fillRule = FillRule.Nonzero;
PathGeometry.FigureList list = new PathGeometry.FigureList();
// The handle to the pDashArray, if we have one.
// Since the dash array is optional, we may not need to Free it.
GCHandle handle = new GCHandle();
// Pin the pDashArray, if we have one.
if (dashArray != null)
{
handle = GCHandle.Alloc(dashArray, GCHandleType.Pinned);
}
try
{
int hr = UnsafeNativeMethods.MilCoreApi.MilUtility_PathGeometryWiden(
&penData,
(dashArray == null) ? null : (double *)handle.AddrOfPinnedObject(),
&pathData.Matrix,
pathData.FillRule,
pbPathData,
pathData.Size,
tolerance,
type == ToleranceType.Relative,
new PathGeometry.AddFigureToListDelegate(list.AddFigureToList),
out fillRule);
if (hr == (int)MILErrors.WGXERR_BADNUMBER)
{
// When we encounter NaNs in the renderer, we absorb the error and draw
// nothing. To be consistent, we return an empty geometry.
resultGeometry = new PathGeometry();
}
else
{
HRESULT.Check(hr);
resultGeometry = new PathGeometry(list.Figures, fillRule, null);
}
}
finally
{
if (handle.IsAllocated)
{
handle.Free();
}
}
}
return(resultGeometry);
}
}
public virtual PathGeometry GetWidenedPathGeometry(Pen pen, double tolerance, ToleranceType type)
{
ReadPreamble();
if (pen == null)
{
throw new System.ArgumentNullException("pen");
}
if (IsObviouslyEmpty())
{
return new PathGeometry();
}
PathGeometryData pathData = GetPathGeometryData();
if (pathData.IsEmpty())
{
return new PathGeometry();
}
PathGeometry resultGeometry = null;
unsafe
{
MIL_PEN_DATA penData;
double[] dashArray = null;
pen.GetBasicPenData(&penData, out dashArray);
fixed (byte *pbPathData = pathData.SerializedData)
{
Debug.Assert(pbPathData != (byte*)0);
FillRule fillRule = FillRule.Nonzero;
PathGeometry.FigureList list = new PathGeometry.FigureList();
// The handle to the pDashArray, if we have one.
// Since the dash array is optional, we may not need to Free it.
GCHandle handle = new GCHandle();
// Pin the pDashArray, if we have one.
if (dashArray != null)
{
handle = GCHandle.Alloc(dashArray, GCHandleType.Pinned);
}
try
{
int hr = UnsafeNativeMethods.MilCoreApi.MilUtility_PathGeometryWiden(
&penData,
(dashArray == null) ? null : (double*)handle.AddrOfPinnedObject(),
&pathData.Matrix,
pathData.FillRule,
pbPathData,
pathData.Size,
tolerance,
type == ToleranceType.Relative,
new PathGeometry.AddFigureToListDelegate(list.AddFigureToList),
out fillRule);
if (hr == (int)MILErrors.WGXERR_BADNUMBER)
{
// When we encounter NaNs in the renderer, we absorb the error and draw
// nothing. To be consistent, we return an empty geometry.
resultGeometry = new PathGeometry();
}
else
{
HRESULT.Check(hr);
resultGeometry = new PathGeometry(list.Figures, fillRule, null);
}
}
finally
{
if (handle.IsAllocated)
{
handle.Free();
}
}
}
return resultGeometry;
}
}
