/// <summary>
/// Saves the given <see cref="ITreeNode" /> to an image file.
/// </summary>
/// <param name="rootNode">The root node of the tree to be saved.</param>
/// <param name="basePath">The path in which to save the given tree</param>
/// <param name="fileName">The name of the image file to be saved (without extension)</param>
/// <param name="formatVertex">The delegate used to format the vertexes.</param>
/// <param name="formatEdge">The delegate used to format the edges.</param>
/// <param name="imageType">The type of image file in which to save the tree.</param>
/// <param name="timeout">The maximum time to wait for Graphviz to create the image file.</param>
/// <returns>The path to file where the tree image file was saved.</returns>
public static string ToGraphvizFile(
this ITreeNode rootNode, string basePath, string fileName,
FormatVertexEventHandler <Vertex> formatVertex,
FormatEdgeAction <Vertex, Edge> formatEdge,
GraphvizImageType imageType = GRAPHVIZ_IMAGE_TYPE, int timeout = GRAPHVIZ_TIMEOUT_MS)
{
var graph = new AdjacencyGraph <Vertex, Edge>();
GraphAdd(rootNode, graph, new Dictionary <ITreeNode, Vertex>());
var filePath = Path.Combine(basePath, $"{fileName}.dot");
if (File.Exists(filePath))
{
File.Delete(filePath);
}
var viz = new GraphvizAlgorithm <Vertex, Edge>(graph)
{
ImageType = imageType
};
if (formatVertex != null)
{
viz.FormatVertex += formatVertex;
}
if (formatEdge != null)
{
viz.FormatEdge += formatEdge;
}
return(viz.Generate(new FileDotEngine(timeout), filePath));
}
public static void Visualize <TVertex, TEdge>(this IVertexAndEdgeListGraph <TVertex, TEdge> graph,
string fileName, FormatEdgeAction <TVertex, TEdge> edgeFormatter, string dir /*@"c:\temp\"*/)
where TEdge : IEdge <TVertex>
{
var fullFileName = Path.Combine(dir, fileName);
var viz = new GraphvizAlgorithm <TVertex, TEdge>(graph);
viz.FormatVertex += VizFormatVertex;
viz.FormatEdge += edgeFormatter;
viz.Generate(new FileDotEngine(), fullFileName);
}
public static void Visualize <TEdge>(this IEdgeListGraph <int, TEdge> graph,
string dotProgramLocation, string outputFullFileName, FormatEdgeAction <int, TEdge> edgeFormatter)
where TEdge : IEdge <int>
{
var viz = new GraphvizAlgorithm <int, TEdge>(graph);
viz.FormatVertex += VizFormastring;
viz.FormatEdge += edgeFormatter;
viz.Generate(new FileDotEngine(dotProgramLocation), outputFullFileName);
}
