void SendShapeToTeselator(VertexCachedTesselator teselator, IVertexSource vertexSource)
{
teselator.BeginPolygon();
Path.FlagsAndCommand PathAndFlags = 0;
double x, y;
bool haveBegunContour = false;
while (!Path.is_stop(PathAndFlags = vertexSource.vertex(out x, out y)))
{
if (Path.is_close(PathAndFlags) ||
(haveBegunContour && Path.is_move_to(PathAndFlags)))
{
teselator.EndContour();
haveBegunContour = false;
}
if (!Path.is_close(PathAndFlags))
{
if (!haveBegunContour)
{
teselator.BeginContour();
haveBegunContour = true;
}
teselator.AddVertex(x, y);
}
}
if (haveBegunContour)
{
teselator.EndContour();
}
#if use_timers
OpenGLEndPolygonTimer.Start();
#endif
teselator.EndPolygon();
#if use_timers
OpenGLEndPolygonTimer.Stop();
#endif
}
public Path.FlagsAndCommand vertex(out double x, out double y)
{
x = 0;
y = 0;
if (Path.is_stop(m_NextPathCommand))
{
return Path.FlagsAndCommand.CommandStop;
}
if ((m_CurrentFlatenAngle < m_EndAngle - m_FlatenDeltaAngle / 4) != ((int)EDirection.CounterClockWise == 1))
{
x = m_OriginX + Math.Cos(m_EndAngle) * m_RadiusX;
y = m_OriginY + Math.Sin(m_EndAngle) * m_RadiusY;
m_NextPathCommand = Path.FlagsAndCommand.CommandStop;
return Path.FlagsAndCommand.CommandLineTo;
}
x = m_OriginX + Math.Cos(m_CurrentFlatenAngle) * m_RadiusX;
y = m_OriginY + Math.Sin(m_CurrentFlatenAngle) * m_RadiusY;
m_CurrentFlatenAngle += m_FlatenDeltaAngle;
Path.FlagsAndCommand CurrentPathCommand = m_NextPathCommand;
m_NextPathCommand = Path.FlagsAndCommand.CommandLineTo;
return CurrentPathCommand;
}
public void rewind(int unused)
{
m_NextPathCommand = Path.FlagsAndCommand.CommandMoveTo;
m_CurrentFlatenAngle = m_StartAngle;
}
public Pictor.Path.FlagsAndCommand Vertex(out double x, out double y)
{
x = 0;
y = 0;
Path.FlagsAndCommand cmd = Path.FlagsAndCommand.CommandStop;
bool done = false;
while (!done) {
switch (status) {
case Status.Initial:
markers.RemoveAll ();
lastCommand = source.Vertex (out startX, out startY);
status = Status.Accumulate;
goto case Status.Accumulate;
case Status.Accumulate:
if (Path.IsStop (lastCommand))
return Path.FlagsAndCommand.CommandStop;
generator.RemoveAll ();
generator.AddVertex (startX, startY, Path.FlagsAndCommand.CommandMoveTo);
markers.AddVertex (startX, startY, Path.FlagsAndCommand.CommandMoveTo);
while (true) {
cmd = source.Vertex (out x, out y);
if (Path.IsVertex (cmd)) {
lastCommand = cmd;
if (Path.IsMoveTo (cmd)) {
startX = x;
startY = y;
break;
}
generator.AddVertex (x, y, cmd);
markers.AddVertex (x, y, Path.FlagsAndCommand.CommandLineTo);
} else {
if (Path.IsStop (cmd)) {
lastCommand = Path.FlagsAndCommand.CommandStop;
break;
}
if (Path.IsEndPoly (cmd)) {
generator.AddVertex (x, y, cmd);
break;
}
}
generator.Rewind (0);
status = Status.Generate;
goto case Status.Generate;
}
break;
case Status.Generate:
cmd = generator.Vertex (ref x, ref y);
if (Path.IsStop (cmd)) {
status = Status.Accumulate;
break;
}
done = true;
break;
}
}
return cmd;
}
