private void RemnantMatInfoForm_Paint(object sender, PaintEventArgs e)
{
if (m_polyMat != null)
{
// all polygons in material.
Poly2DListEx poly2DList = new Poly2DListEx();
poly2DList.AddPoly(m_polyMat.GetMatPolygon());
poly2DList.AddPolyList(m_polyMat.GetUselessHoleList());
// clear screen and set the background color.
m_matViewPort.BindRendContext();
m_matViewPort.ClearScreen();
m_matViewPort.SetBackgroundColor(Color.Black);
// draw coordinate.
m_matViewPort.SetDrawColor(Color.Blue);
m_matViewPort.SetLineWidth(1);
m_matViewPort.DrawCoordinate(0, 0, 0, false);
// draw material polygons.
m_matViewPort.SetDrawColor(Color.White);
m_matViewPort.SetLineWidth(1);
for (int i = 0; i < poly2DList.Size(); i++)
{
Polygon2DEx poly = poly2DList.GetPolygonByIndex(i);
ArrayList lineItems = poly.GetLineList();
for (int j = 0; j < lineItems.Count; j++)
{
m_matViewPort.DrawLineItem((LineItemEx)lineItems[j]);
}
}
// draw selected polygon.
if (m_selPoly != null)
{
// hold the current drawing mode.
ROP_MODE_EX iOldRopMode = ROP_MODE_EX.ROP_EX_NORMAL;
m_matViewPort.GetROP(ref iOldRopMode);
// hold the current drawing width.
int iOldLineWid = m_matViewPort.GetLineWidth();
// hold the current drawing color.
Color oldColor = new Color();
m_matViewPort.GetDrawColor(ref oldColor);
// get the stipple mode.
bool bOldStipple = false;
int iOldRepeat = 1;
ushort iOldPattern = 0xffff;
m_matViewPort.GetLineStipple(ref bOldStipple, ref iOldRepeat, ref iOldPattern);
// draw selected part placements.
m_matViewPort.SetROP(ROP_MODE_EX.ROP_EX_COPY);
m_matViewPort.SetLineWidth(2);
m_matViewPort.SetDrawColor(Color.Red);
m_matViewPort.SetLineStipple(true, 2, 0xcccc);
ArrayList lineItems = m_selPoly.GetLineList();
for (int j = 0; j < lineItems.Count; j++)
{
m_matViewPort.DrawLineItem((LineItemEx)lineItems[j]);
}
// restore the old drawer config.
m_matViewPort.SetROP(iOldRopMode);
m_matViewPort.SetLineWidth(iOldLineWid);
m_matViewPort.SetDrawColor(oldColor);
m_matViewPort.SetLineStipple(bOldStipple, iOldRepeat, iOldPattern);
}
// swap buffer to display the geometry.
m_matViewPort.SwapBuffers();
}
}