/// <summary>
/// Create a new edge.
/// </summary>
private IEdge CreateEdge(IModule module, string key)
{
var edge = module.Edges.AddNew();
edge.Description = key;
// Determine position
var modWidth = PositionedEntities.Max(x => (x.X + x.Width));
var modHeight = PositionedEntities.Max(x => (x.Y + x.Height));
var elements = PositionElements.ToList();
modWidth = Math.Max(modWidth, elements.Max(x => (x.GetIntAttributeValue("x") + 1) * GridSize));
modHeight = Math.Max(modHeight, elements.Max(x => (x.GetIntAttributeValue("y") + 1) * GridSize));
// Find connectors
var connectors = Root.Descendants("tk").Where(x => x.GetAttributeValue("type") == "connector");
XElement conn = null;
switch (key.Substring(EdgePrefix.Length))
{
case "ne":
conn = FindBestConnector(connectors, "north", x => int.MaxValue - x.GetIntAttributeValue("y"), x => x.GetIntAttributeValue("x"), false);
edge.X = (modWidth / 3) * 1;
edge.Y = 0;
break;
case "nw":
conn = FindBestConnector(connectors, "north", x => int.MaxValue - x.GetIntAttributeValue("y"), x => x.GetIntAttributeValue("x"), true);
edge.X = (modWidth / 3) * 2;
edge.Y = 0;
break;
case "se":
conn = FindBestConnector(connectors, "south", x => x.GetIntAttributeValue("y"), x => x.GetIntAttributeValue("x"), false);
edge.X = (modWidth / 3) * 1;
edge.Y = modHeight;
break;
case "sw":
conn = FindBestConnector(connectors, "south", x => x.GetIntAttributeValue("y"), x => x.GetIntAttributeValue("x"), true);
edge.X = (modWidth / 3) * 2;
edge.Y = modHeight;
break;
case "wn":
conn = FindBestConnector(connectors, "east", x => int.MaxValue - x.GetIntAttributeValue("x"), x => x.GetIntAttributeValue("y"), true);
edge.X = 0;
edge.Y = (modHeight / 3) * 1;
break;
case "ws":
conn = FindBestConnector(connectors, "east", x => int.MaxValue - x.GetIntAttributeValue("x"), x => x.GetIntAttributeValue("y"), false);
edge.X = 0;
edge.Y = (modHeight / 3) * 2;
break;
case "en":
conn = FindBestConnector(connectors, "west", x => x.GetIntAttributeValue("x"), x => x.GetIntAttributeValue("y"), true);
edge.X = modWidth;
edge.Y = (modHeight / 3) * 1;
break;
case "es":
conn = FindBestConnector(connectors, "west", x => x.GetIntAttributeValue("x"), x => x.GetIntAttributeValue("y"), false);
edge.X = modWidth;
edge.Y = (modHeight / 3) * 2;
break;
default:
Message(string.Format("Unknown edge position ({0})", key));
break;
}
if (conn != null)
{
var x = conn.GetIntAttributeValue("x");
var y = conn.GetIntAttributeValue("y");
edge.X = x * GridSize + (GridSize - edge.Width) / 2;
edge.Y = y * GridSize + (GridSize - edge.Height) / 2;
}
edges[key] = edge;
return(edge);
}
/// <summary>
/// Import the track image
/// </summary>
private void ImportTrack(IModule module)
{
var elements = PositionElements.ToList();
var width = Math.Min(200 * GridSize, Math.Max(module.Width, elements.Max(x => (x.GetIntAttributeValue("x") + 1) * GridSize)));
var height = Math.Min(200 * GridSize, Math.Max(module.Height, elements.Max(x => (x.GetIntAttributeValue("y") + 1) * GridSize)));
using (var bitmap = new Bitmap(1, 1))
{
using (var outerGraphics = Graphics.FromImage(bitmap))
{
var refHdc = outerGraphics.GetHdc();
var metaFile = new Metafile(refHdc, new Rectangle(0, 0, width, height), MetafileFrameUnit.Pixel, EmfType.EmfPlusDual);
try
{
const int h = GridSize / 2;
using (var g = Graphics.FromImage(metaFile))
{
g.SmoothingMode = SmoothingMode.AntiAlias;
using (var pen = new Pen(Color.Black, 2))
{
foreach (var tk in elements)
{
var type = tk.GetAttributeValue("type", string.Empty);
var x = tk.GetIntAttributeValue("x");
var y = tk.GetIntAttributeValue("y");
var ori = tk.GetAttributeValue("ori");
if ((x < 0) || (y < 0))
{
continue;
}
var ewidth = GridSize;
var eheight = GridSize;
if ((tk.Name.LocalName == "sw") && ((type == "crossing") || (type == "dcrossing")))
{
ewidth = GridSize * 2;
}
// Transform so we can always draw on 0,0 in 'west' direction
var state = g.Save();
switch (ori)
{
case "south":
g.RotateTransform(90);
g.TranslateTransform(eheight, 0, MatrixOrder.Append);
break;
case "north":
g.RotateTransform(270);
g.TranslateTransform(0, ewidth, MatrixOrder.Append);
break;
case "east":
g.RotateTransform(180);
g.TranslateTransform(ewidth, eheight, MatrixOrder.Append);
break;
}
g.TranslateTransform(x * GridSize, y * GridSize, MatrixOrder.Append);
if ((tk.Name.LocalName == "fb") && (tk.GetAttributeValue("curve") == "true"))
{
type = "curve";
}
switch (tk.Name.LocalName + "-" + type)
{
default:
case "tk-straight":
case "tk-dir":
case "tk-dirall":
g.DrawLine(pen, 0, h, GridSize, h);
break;
case "sw-dcrossing":
g.DrawLine(pen, 0, h, GridSize * 2, h);
break;
case "sw-left":
g.DrawLine(pen, 0, h, GridSize, h);
g.DrawLine(pen, h, GridSize, GridSize, h);
break;
case "sw-right":
g.DrawLine(pen, 0, h, GridSize, h);
g.DrawLine(pen, 0, h, h, GridSize);
break;
case "sw-crossing":
g.DrawLine(pen, 0, h, GridSize * 2, h);
if (tk.GetAttributeValue("dir") == "true")
{
g.DrawLine(pen, h, 0, GridSize + h, GridSize);
}
else
{
g.DrawLine(pen, h, GridSize, GridSize + h, 0);
}
break;
case "fb-curve":
case "tk-curve":
g.DrawLine(pen, 0, h, h, GridSize);
break;
case "tk-connector":
g.DrawLine(pen, 0, h, h, h);
var r = h / 3;
g.DrawArc(pen, h - r / 2, h - r / 2, r, r, 0, 360);
break;
case "tk-buffer":
g.DrawLine(pen, 0, h, h, h);
g.DrawLine(pen, h, h / 2, h, h + h / 2);
break;
}
g.Restore(state);
}
}
}
}
finally
{
outerGraphics.ReleaseHdc(refHdc);
}
// Set image
var stream = new MemoryStream();
metaFile.SaveAsEmf(stream);
stream.Position = 0;
module.BackgroundImage = stream;
}
}
}
