public void Constructor_Size()
{
var size = default(GraphvizSize);
CheckSize(size, 0, 0, true);
size = new GraphvizSize(0, 10);
CheckSize(size, 0, 10, true);
size = new GraphvizSize(10, 0);
CheckSize(size, 10, 0, true);
size = new GraphvizSize(10, 15);
CheckSize(size, 10, 15, false);
size = new GraphvizSize(30, 25);
CheckSize(size, 30, 25, false);
#region Local function
void CheckSize(GraphvizSize s, int w, int h, bool empty)
{
Assert.AreEqual(w, s.Width);
Assert.AreEqual(h, s.Height);
Assert.AreEqual(empty, s.IsEmpty);
}
#endregion
}
public static string DumpHtml(GraphvizSize size, [NotNull] string svgFilePath)
{
if (svgFilePath is null)
{
throw new ArgumentNullException(nameof(svgFilePath));
}
string outputFile = $"{svgFilePath}.html";
#if SUPPORTS_STREAM_FULL_FEATURES
using (var html = new StreamWriter(outputFile))
#else
var fileWriter = new FileStream(outputFile, FileMode.Create, FileAccess.Write);
using (var html = new StreamWriter(fileWriter))
#endif
{
html.WriteLine("<html>");
html.WriteLine("<body>");
html.WriteLine($"<object data=\"{svgFilePath}\" type=\"image/svg+xml\" width=\"{size.Width}\" height=\"{size.Height}\">");
html.WriteLine($" <embed src=\"{svgFilePath}\" type=\"image/svg+xml\" width=\"{size.Width}\" height=\"{size.Height}\" />");
html.WriteLine("If you see this, you need to install a SVG viewer");
html.WriteLine("</object>");
html.WriteLine("</body>");
html.WriteLine("</html>");
}
return(outputFile);
}
public void ToString_Size()
{
var size1 = default(GraphvizSize);
var size2 = new GraphvizSize(12, 25);
Assert.AreEqual("0x0", size1.ToString());
Assert.AreEqual("12x25", size2.ToString());
}
public void Serialization_Size()
{
var size = new GraphvizSize(150, 200);
GraphvizSize deserializedSize = SerializeAndDeserialize(size);
Assert.AreEqual(size.IsEmpty, deserializedSize.IsEmpty);
Assert.AreEqual(size.Width, deserializedSize.Width);
Assert.AreEqual(size.Height, deserializedSize.Height);
}
public void ParseSize()
{
GraphvizSize size = SvgHtmlWrapper.ParseSize(SampleSvg);
Assert.AreEqual(new GraphvizSize(300, 200), size);
// Size not found => fallback
size = SvgHtmlWrapper.ParseSize(MissingSizeSampleSvg);
Assert.AreEqual(new GraphvizSize(400, 400), size);
}
public static string WrapSvg([NotNull] string svgFilePath)
{
#if SUPPORTS_STREAM_FULL_FEATURES
using (var reader = new StreamReader(svgFilePath))
{
GraphvizSize size = ParseSize(reader.ReadToEnd());
reader.Close();
return(DumpHtml(size, svgFilePath));
}
#else
GraphvizSize size;
var fileReader = new FileStream(svgFilePath, FileMode.Open, FileAccess.Read);
using (var reader = new StreamReader(fileReader))
{
size = ParseSize(reader.ReadToEnd());
}
return(DumpHtml(size, svgFilePath));
#endif
}
public static string DumpHtml(GraphvizSize size, string svgFileName)
{
string outputFile = String.Format("{0}.html", svgFileName);
using (var html = new StreamWriter(outputFile))
{
html.WriteLine("<html>");
html.WriteLine("<body>");
html.WriteLine("<object data=\"{0}\" type=\"image/svg+xml\" width=\"{1}\" height=\"{2}\">",
svgFileName, size.Width, size.Height);
html.WriteLine(" <embed src=\"{0}\" type=\"image/svg+xml\" width=\"{1}\" height=\"{2}\">",
svgFileName, size.Width, size.Height);
html.WriteLine("If you see this, you need to install a SVG viewer");
html.WriteLine(" </embed>");
html.WriteLine("</object>");
html.WriteLine("</body>");
html.WriteLine("</html>");
}
return(outputFile);
}
