// path should contain only polylines ( use Flatten )
// furthermore the constructor assumes that all Subpathes of path except the first one are holes
public Polygon(GraphicsPath path)
{
byte[] pathTypes = path.PathTypes;
NofContours = 0;
foreach (byte b in pathTypes)
{
if ((b & ((byte)PathPointType.CloseSubpath)) != 0)
{
NofContours++;
}
}
ContourIsHole = new bool[NofContours];
Contour = new VertexList[NofContours];
for (int i = 0; i < NofContours; i++)
{
ContourIsHole[i] = (i == 0);
}
int contourNr = 0;
List <PointF> contour = new List <PointF>();
PointF[] pathPoints = path.PathPoints;
for (int i = 0; i < pathPoints.Length; i++)
{
contour.Add(pathPoints[i]);
if ((pathTypes[i] & ((byte)PathPointType.CloseSubpath)) != 0)
{
PointF[] pointArray = contour.ToArray();
VertexList vl = new VertexList(pointArray);
Contour[contourNr++] = vl;
contour.Clear();
}
}
}
// path should contain only polylines ( use Flatten )
// furthermore the constructor assumes that all Subpathes of path except the first one are holes
public Polygon(GraphicsPath path)
{
byte[] pathTypes = path.PathTypes;
NofContours = 0;
foreach (byte b in pathTypes)
{
if ((b & ((byte)PathPointType.CloseSubpath)) != 0)
{
NofContours++;
}
}
ContourIsHole = new bool[NofContours];
Contour = new VertexList[NofContours];
for (int i = 0; i < NofContours; i++)
{
ContourIsHole[i] = (i == 0);
}
int contourNr = 0;
List<PointF> contour = new List<PointF>();
PointF[] pathPoints = path.PathPoints;
for (int i = 0; i < pathPoints.Length; i++)
{
contour.Add(pathPoints[i]);
if ((pathTypes[i] & ((byte)PathPointType.CloseSubpath)) != 0)
{
PointF[] pointArray = contour.ToArray();
VertexList vl = new VertexList(pointArray);
Contour[contourNr++] = vl;
contour.Clear();
}
}
}
