private void DrawEdges(StreamWriter svg, Mesh mesh)
{
svg.Write("\t<path d=\"");
StringBuilder labels = new StringBuilder();
Vertex v1, v2;
double x1, y1, x2, y2;
int i = 1;
foreach (var e in EdgeIterator.EnumerateEdges(mesh))
{
v1 = e.GetVertex(0);
v2 = e.GetVertex(1);
x1 = scale * v1.X;
y1 = scale * v1.Y;
x2 = scale * v2.X;
y2 = scale * v2.Y;
svg.Write("M {0:0.#},{1:0.#} L {2:0.#},{3:0.#} ",
x1, y1, x2, y2);
if (i % LINEBREAK_COUNT == 0)
{
svg.WriteLine();
svg.Write("\t");
}
i++;
}
svg.WriteLine("\" style=\"stroke:#c2c2c2; fill:none; stroke-linejoin:bevel;\"/>");
}
/// <summary>
/// Export the mesh to EPS format.
/// </summary>
/// <param name="mesh">The current mesh.</param>
/// <param name="filename">The EPS filename.</param>
/// <param name="width">The desired width of the image (currently ignored).</param>
public void Export(Mesh mesh, string filename, int width)
{
// Check file name
if (String.IsNullOrWhiteSpace(filename))
{
filename = String.Format("mesh-{0}.eps", DateTime.Now.ToString("yyyy-M-d-hh-mm-ss"));
}
if (!filename.EndsWith(".eps"))
{
filename = Path.ChangeExtension(filename, ".eps");
}
UpdateMetrics(mesh.Bounds);
using (var eps = new EpsDocument(filename, ps))
{
int n = mesh.Vertices.Count;
// Size of the points.
eps.DefaultPointSize = (n < 100) ? 3 : ((n < 500) ? 2 : 1);
eps.WriteHeader();
// Draw a gray border around the page.
eps.SetColor(ColorBorder);
eps.DrawRectangle(GetRectangle(ps));
// Define a clipping polygon.
eps.SetClip(GetRectangle(clip));
// Draw edges.
eps.AddComment("Draw edges.");
eps.SetStroke(0.4f, ColorLines);
foreach (var e in EdgeIterator.EnumerateEdges(mesh))
{
eps.DrawLine(Transform(e.GetVertex(0)), Transform(e.GetVertex(1)));
}
// Draw Segments.
eps.AddComment("Draw Segments.");
eps.SetStroke(0.8f, ColorSegments);
foreach (var s in mesh.Segments)
{
eps.DrawLine(Transform(s.GetVertex(0)), Transform(s.GetVertex(1)));
}
// Draw points.
eps.AddComment("Draw points.");
eps.SetColor(ColorPoints);
foreach (var node in mesh.Vertices)
{
eps.DrawPoint(Transform(node));
}
}
}