/// <summary>
/// Render the given GraphViz code into an image
/// </summary>
/// <param name="dotSourceText"></param>
/// <param name="returnType"></param>
/// <returns></returns>
private byte[] RenderGraph(string dotSourceText, GvOutputFormat returnType)
{
_errorsList.Clear();
byte[] output = null;
var processStartInfo = GetProcessStartInfo(returnType.Name);
using (var process = Process.Start(processStartInfo))
if (ReferenceEquals(process, null) == false)
{
process.ErrorDataReceived += ErrorDataHandler;
process.BeginErrorReadLine();
using (var stdIn = process.StandardInput)
{
stdIn.WriteLine(dotSourceText);
}
using (var stdOut = process.StandardOutput)
{
output = ReadFullStream(stdOut.BaseStream);
}
}
return(output);
}
/// <summary>
/// Render the given GraphViz code and save it to file.
/// </summary>
/// <param name="dotSourceText"></param>
/// <param name="returnType"></param>
/// <param name="filePath"></param>
/// <returns></returns>
public bool RenderToFile(string dotSourceText, GvOutputFormat returnType, string filePath)
{
var byteArray = RenderGraph(dotSourceText, returnType);
if (byteArray.Length == 0)
{
return(false);
}
try
{
File.WriteAllBytes(filePath, byteArray);
}
catch (Exception e)
{
_errorsList.Add(e.Message);
return(false);
}
return(true);
}
