private static GeomTristrip Clip_strip_ToTristrip(Clip_tristrip Clip_strip)
{
GeomTristrip tristrip = new GeomTristrip();
tristrip.NofStrips = Clip_strip.num_strips;
tristrip.Strip = new GeomVertexList[tristrip.NofStrips];
IntPtr ptr = Clip_strip.strip;
for (int i = 0; i < tristrip.NofStrips; i++)
{
tristrip.Strip[i] = new GeomVertexList();
Clip_vertex_list Clip_vtx_list = (Clip_vertex_list)Marshal.PtrToStructure(ptr, typeof(Clip_vertex_list));
tristrip.Strip[i].NofVertices = Clip_vtx_list.num_vertices;
tristrip.Strip[i].Vertex = new GeomVertex[tristrip.Strip[i].NofVertices];
IntPtr ptr2 = Clip_vtx_list.vertex;
for (int j = 0; j < tristrip.Strip[i].NofVertices; j++)
{
Clip_vertex Clip_vtx = (Clip_vertex)Marshal.PtrToStructure(ptr2, typeof(Clip_vertex));
tristrip.Strip[i].Vertex[j].X = Clip_vtx.x;
tristrip.Strip[i].Vertex[j].Y = Clip_vtx.y;
ptr2 = IntPtrPlus(ptr2, Marshal.SizeOf(Clip_vtx)); // (IntPtr)(((int)ptr2) + Marshal.SizeOf(Clip_vtx));
}
ptr = IntPtrPlus(ptr, Marshal.SizeOf(Clip_vtx_list)); // (IntPtr)(((int)ptr) + Marshal.SizeOf(Clip_vtx_list));
}
return(tristrip);
}
public static GeomTristrip PolygonToTristip(IPolygon polygon)
{
Clip_tristrip clip_strip = new Clip_tristrip();
Clip_polygon clip_pol = ClipWrapper.PolygonTo_Clip_polygon(polygon);
try
{
Polygon2Tristrip(ref clip_pol, ref clip_strip);
GeomTristrip tristrip = ClipWrapper.Clip_strip_ToTristrip(clip_strip);
return(tristrip);
}
finally
{
ClipWrapper.Free_Clip_polygon(clip_pol);
ClipWrapper.FreeTristrip(ref clip_strip);
}
}
public static GeomTristrip GeomPolygonToTristrip(GeomPolygon polygon)
{
Clip_tristrip Clip_strip = new Clip_tristrip();
Clip_polygon Clip_pol = ClipWrapper.GeomPolygonTo_Clip_polygon(polygon);
try
{
Polygon2Tristrip(ref Clip_pol, ref Clip_strip);
GeomTristrip tristrip = ClipWrapper.Clip_strip_ToTristrip(Clip_strip);
return(tristrip);
}
finally
{
ClipWrapper.Free_Clip_polygon(Clip_pol);
ClipWrapper.FreeTristrip(ref Clip_strip);
}
}
public static GeomTristrip ClipToTristrip(ClipOperation operation, GeomPolygon subject_polygon, GeomPolygon clip_polygon)
{
Clip_tristrip Clip_strip = new Clip_tristrip();
Clip_polygon Clip_subject_polygon = ClipWrapper.GeomPolygonTo_Clip_polygon(subject_polygon);
Clip_polygon Clip_clip_polygon = ClipWrapper.GeomPolygonTo_Clip_polygon(clip_polygon);
try
{
ClipTristrip(ref Clip_subject_polygon, ref Clip_clip_polygon, operation, ref Clip_strip);
GeomTristrip tristrip = ClipWrapper.Clip_strip_ToTristrip(Clip_strip);
return(tristrip);
}
finally
{
ClipWrapper.Free_Clip_polygon(Clip_subject_polygon);
ClipWrapper.Free_Clip_polygon(Clip_clip_polygon);
ClipWrapper.FreeTristrip(ref Clip_strip);
}
}
