static void InvertPolygon(VertexStore myvxs, int start, int end)
{
int i;
VertexCmd tmp_PathAndFlags = myvxs.GetCommand(start);
--end; // Make "end" inclusive
// Shift all commands to one position
for (i = start; i < end; i++)
{
myvxs.ReplaceCommand(i, myvxs.GetCommand(i + 1));
}
// Assign starting command to the ending command
myvxs.ReplaceCommand(end, tmp_PathAndFlags);
// Reverse the polygon
while (end > start)
{
myvxs.SwapVertices(start++, end--);
}
}
