private void CacheBounds(ref MilRectD bounds)
{
unsafe
{
Debug.Assert((_data != null) && (_data.Length >= sizeof(MIL_PATHGEOMETRY)));
fixed (byte* pbPathData = _data)
{
MIL_PATHGEOMETRY* pGeometry = (MIL_PATHGEOMETRY*)pbPathData;
pGeometry->Flags |= MilPathGeometryFlags.BoundsValid;
pGeometry->Bounds = bounds;
}
}
}
internal unsafe static extern int MilUtility_PathGeometryBounds(
MIL_PEN_DATA *pPenData,
double *pDashArray,
MilMatrix3x2D* pWorldMatrix,
FillRule fillRule,
byte* pPathData,
UInt32 nSize,
MilMatrix3x2D* pGeometryMatrix,
double rTolerance,
bool fRelative,
bool fSkipHollows,
MilRectD* pBounds);
private bool AreBoundsValid(ref MilRectD bounds)
{
if (IsEmpty())
{
return false;
}
unsafe
{
Debug.Assert((_data != null) && (_data.Length >= sizeof(MIL_PATHGEOMETRY)));
fixed (byte* pbPathData = _data)
{
MIL_PATHGEOMETRY* pGeometry = (MIL_PATHGEOMETRY*)pbPathData;
bool areBoundsValid = (pGeometry->Flags & MilPathGeometryFlags.BoundsValid) != 0;
if (areBoundsValid)
{
bounds = pGeometry->Bounds;
}
return areBoundsValid;
}
}
}