public static void SetupLineStyle(ILLineProperties wireprops)
{
if (wireprops.Style == LineStyle.Solid)
{
GL.Disable(EnableCap.LineStipple);
}
else
{
int stipFactr = 1;
short stipple;
if (wireprops.Style != LineStyle.UserPattern)
{
stipple = ILPanel.StippleFromLineStyle(
wireprops.Style, ref stipFactr);
}
else
{
stipple = wireprops.Pattern;
stipFactr = (int)wireprops.PatternScale;
}
GL.Enable(EnableCap.LineStipple);
GL.LineStipple(stipFactr, stipple);
}
if (wireprops.Antialiasing && wireprops.Width > 1)
{
GL.Enable(EnableCap.LineSmooth);
}
else
{
GL.Disable(EnableCap.LineSmooth);
}
GL.LineWidth(wireprops.Width);
GL.Color3(wireprops.Color);
}
protected void ConfigureOGLLineProperties(LineStyle style, int width)
{
int stipFact = 0;
short stipple = ILPanel.StippleFromLineStyle(style, ref stipFact);
GL.LineWidth(width);
if (style == LineStyle.Solid || style == LineStyle.None)
{
GL.Disable(EnableCap.LineStipple);
}
else
{
GL.Enable(EnableCap.LineStipple);
GL.LineStipple(stipFact, stipple);
}
}
/// <summary>
/// Draws the graph into existing context
/// </summary>
public override void Draw(ILRenderProperties p)
{
if (m_panel.Camera.Rho > Math.PI / 2)
{
return;
}
if (!m_isReady)
{
Configure();
}
float zPos = m_zPosition;
if (zPos == float.PositiveInfinity)
{
zPos = m_panel.Limits.ZMax;
}
else if (zPos == float.NegativeInfinity)
{
zPos = m_panel.Limits.ZMin;
}
GL.Translate(0.0f, 0.0f, zPos);
GL.Enable(EnableCap.Blend);
GL.Disable(EnableCap.DepthTest);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha,
BlendingFactorDest.OneMinusSrcAlpha);
GL.ShadeModel(ShadingModel.Flat);
unsafe
{
fixed(VERTEXTYPEDEF *pVertices = m_vertices)
{
GL.InterleavedArrays(
InterleavedArrayFormat.C4ubV2f, 0, (IntPtr)pVertices);
if (m_filled)
{
fixed(UInt32 *pIndices = m_indices)
{
for (int i = 0; i < m_stripesCount; i++)
{
GL.DrawElements(BeginMode.Triangles, m_stripesLen,
DrawElementsType.UnsignedInt,
(IntPtr)(pIndices + i * m_stripesLen));
}
GL.Finish();
}
}
#region draw grid
if (m_wireLines.Visible)
{
if (m_wireLines.Style == LineStyle.Solid)
{
GL.Disable(EnableCap.LineStipple);
}
else
{
int stipFactr = 1;
short stipple;
if (m_wireLines.Style != LineStyle.UserPattern)
{
stipple = ILPanel.StippleFromLineStyle(
m_wireLines.Style, ref stipFactr);
}
else
{
stipple = m_wireLines.Pattern;
}
GL.Enable(EnableCap.LineStipple);
GL.LineStipple((int)m_wireLines.PatternScale, stipple);
}
if (m_wireLines.Antialiasing)
{
GL.Enable(EnableCap.LineSmooth);
}
else
{
GL.Disable(EnableCap.LineSmooth);
}
GL.Disable(EnableCap.Blend);
GL.LineWidth(m_wireLines.Width);
if (m_wireLines.Color != System.Drawing.Color.Empty)
{
GL.DisableClientState(EnableCap.ColorArray);
GL.Color3(m_wireLines.Color);
}
fixed(UInt32 *pIndices = m_gridIndices)
{
GL.DrawElements(BeginMode.Lines,
m_gridIndicesCount,
DrawElementsType.UnsignedInt,
(IntPtr)pIndices);
GL.Finish();
}
}
#endregion
}
}
GL.Translate(0.0f, 0.0f, -zPos);
}