protected GeometryGraph LoadGraph(string geometryGraphFileName, out LayoutAlgorithmSettings settings)
{
if (string.IsNullOrEmpty(geometryGraphFileName))
{
throw new ArgumentNullException("geometryGraphFileName");
}
GeometryGraph graph = null;
settings = null;
if (geometryGraphFileName.EndsWith(".geom"))
{
graph = GeometryGraphReader.CreateFromFile(geometryGraphFileName, out settings);
SetupPorts(graph);
}
else if (geometryGraphFileName.EndsWith(".dot"))
{
int line;
string msg;
int col;
Drawing.Graph drawingGraph = Parser.Parse(geometryGraphFileName, out line, out col, out msg);
drawingGraph.CreateGeometryGraph();
graph = drawingGraph.GeometryGraph;
settings = drawingGraph.CreateLayoutSettings();
GraphGenerator.SetRandomNodeShapes(graph, new Random(1));
}
else
{
Assert.Fail("Unknown graph format for file: " + geometryGraphFileName);
}
TestContext.WriteLine("Loaded graph: {0} Nodes, {1} Edges", graph.Nodes.Count, graph.Edges.Count);
return(graph);
}
public void RandomDotFileTests()
{
int line, column;
string msg;
string fileName = Path.Combine(this.TestContext.TestDir, "Out\\Dots\\fsm.dot");
Drawing.Graph drawGraph = Parser.Parse(fileName, out line, out column, out msg);
drawGraph.CreateGeometryGraph();
GeometryGraph graph = drawGraph.GeometryGraph;
GraphGenerator.SetRandomNodeShapes(graph, random);
LayeredLayout layeredLayout = new LayeredLayout(graph, new SugiyamaLayoutSettings()
{
BrandesThreshold = 1
});
layeredLayout.Run();
string[] allFiles = Directory.GetFiles(Path.Combine(this.TestContext.TestDir, "Out\\Dots"), "*.dot");
List <int> selected = new List <int>();
for (int i = 0; i < 10; i++)
{
int next = random.Next(allFiles.Length);
while (selected.Contains(next))
{
next = random.Next(allFiles.Length);
}
selected.Add(next);
WriteLine("Now handling dot file: " + allFiles[next]);
drawGraph = Parser.Parse(allFiles[next], out line, out column, out msg);
drawGraph.CreateGeometryGraph();
graph = drawGraph.GeometryGraph;
GraphGenerator.SetRandomNodeShapes(graph, random);
LayerDirection direction = LayerDirection.None;
switch (i % 4)
{
case 0:
direction = LayerDirection.TopToBottom;
break;
case 1:
direction = LayerDirection.BottomToTop;
break;
case 2:
direction = LayerDirection.LeftToRight;
break;
case 3:
direction = LayerDirection.RightToLeft;
break;
}
LayoutAndValidate(graph, (SugiyamaLayoutSettings)drawGraph.LayoutAlgorithmSettings, direction);
}
}
