/// <summary>
/// Renders the list of primitives to the device.
/// </summary>
/// <param name="device">The device to use for rendering the primitives.</param>
/// <param name="renderList">The list of primitives to render.</param>
protected virtual void Render(Device device, ArrayList renderList)
{
PointF[] points = (PointF[])renderList.ToArray(typeof(PointF));
device.VertexFormat = CustomVertex.PositionColored.Format;
for (int i = 0; i < renderListTypes.Count; i++)
{
PrimitiveTypeInfo pti = (PrimitiveTypeInfo)renderListTypes[i];
int numVerts = (pti.End - pti.Start + 1);
CustomVertex.PositionColored[] colVerts = new CustomVertex.PositionColored[numVerts];
P3Util.CreateColoredVertexList(colVerts, points, pti.Start, 0, numVerts, pti.Color);
switch (pti.Type)
{
case PrimitiveType.TriangleFan:
device.DrawUserPrimitives(PrimitiveType.TriangleFan, colVerts.Length - 2, colVerts);
break;
case PrimitiveType.TriangleList:
device.DrawUserPrimitives(PrimitiveType.TriangleList, colVerts.Length / 3, colVerts);
break;
case PrimitiveType.TriangleStrip:
device.DrawUserPrimitives(PrimitiveType.TriangleStrip, colVerts.Length - 2, colVerts);
break;
}
}
}
/// <summary>
/// Renders the flattened path to the device using the specified color.
/// </summary>
/// <param name="device">The device to use for rendering the path.</param>
/// <param name="color">The color to use for the vertices.</param>
/// <param name="flattenedPath">The path to render.</param>
protected virtual void Render(Device device, int color, GraphicsPath flattenedPath)
{
PointF[] points = flattenedPath.PathPoints;
device.VertexFormat = CustomVertex.PositionColored.Format;
bool isClosed;
GraphicsPathIterator pi = new GraphicsPathIterator(flattenedPath);
while (pi.NextSubpath(flattenedPath, out isClosed) != 0)
{
byte type;
int start, end;
while (pi.NextPathType(out type, out start, out end) != 0)
{
int numDistinctPoints = end - start + 1;
int totNumPoints = numDistinctPoints;
if (isClosed)
{
totNumPoints++;
}
CustomVertex.PositionColored[] colVerts = new CustomVertex.PositionColored[totNumPoints];
P3Util.CreateColoredVertexList(colVerts, points, start, 0, numDistinctPoints, color);
if (isClosed)
{
colVerts[numDistinctPoints] = colVerts[0];
}
device.DrawUserPrimitives(PrimitiveType.LineStrip, totNumPoints - 1, colVerts);
}
}
}
/// <summary>
/// Overridden. See <see cref="P3Node.FillVertexBuffer">P3Node.FillVertexBuffer</see>.
/// </summary>
protected override void FillVertexBuffer(VertexBuffer vb)
{
GraphicsStream stm = vb.Lock(0, 0, 0);
CustomVertex.PositionColored[] colVerts = new CustomVertex.PositionColored[renderList.Count];
PointF[] points = (PointF[])renderList.ToArray(typeof(PointF));
foreach (PrimitiveTypeInfo pti in renderListTypes)
{
P3Util.CreateColoredVertexList(colVerts, points, pti.Start, pti.Start, pti.End - pti.Start + 1, pti.Color);
}
stm.Write(colVerts);
vb.Unlock();
}