/// <summary>
/// Gets the bounds of this PathGeometry as an axis-aligned bounding box with pen and/or transform
/// </summary>
internal static Rect GetPathBounds(
PathGeometryData pathData,
Pen pen,
Matrix worldMatrix,
double tolerance,
ToleranceType type,
bool skipHollows)
{
if (pathData.IsEmpty())
{
return(Rect.Empty);
}
else
{
MilRectD bounds = PathGeometry.GetPathBoundsAsRB(
pathData,
pen,
worldMatrix,
tolerance,
type,
skipHollows);
return(bounds.AsRect);
}
}
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);
}
}
}
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;
}
}
}
