private void FormChart_FormClosed(
object sender,
FormClosedEventArgs e)
{
GraphControl.Dispose();
GC.Collect();
}
public void Dispose()
{
if (_client != null)
{
_client.Closed -= new EventHandler(GraphControl_Closed);
_client.Dispose();
_client = null;
}
}
public override void Unload()
{
graph.Dispose();
graph = null;
val0 = null;
val1 = null;
val2 = null;
val3 = null;
}
/// <summary>
/// Paint the style representation.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void styleListBox_DrawItem(object sender, DrawItemEventArgs e)
{
ListBox listBox = (ListBox)sender;
int i = e.Index;
e.DrawBackground();
INode node = listBox.Items[i] as INode;
var bounds = e.Bounds;
InsetsD insets = new InsetsD(2);
var canvasControl = new GraphControl();
canvasControl.Size = new Size(bounds.Width - (int)insets.HorizontalInsets,
bounds.Height - (int)insets.VerticalInsets);
Bitmap bm = new Bitmap(canvasControl.Size.Width, canvasControl.Size.Height);
Graphics g = Graphics.FromImage(bm);
canvasControl.HorizontalScrollBarPolicy = ScrollBarVisibility.Never;
canvasControl.VerticalScrollBarPolicy = ScrollBarVisibility.Never;
var dummyNode = canvasControl.Graph.CreateNode(node.Layout.ToRectD(), node.Style, node.Tag);
foreach (var label in node.Labels)
{
canvasControl.Graph.AddLabel(dummyNode, label.Text, label.LayoutParameter, label.Style, label.PreferredSize, label.Tag);
}
foreach (var port in node.Ports)
{
canvasControl.Graph.AddPort(dummyNode, port.LocationParameter, port.Style, port.Tag);
}
canvasControl.ContentRect = new RectD(0, 0, 70, 70);
canvasControl.FitContent();
e.DrawBackground();
g.SmoothingMode = SmoothingMode.HighQuality;
g.Clear(Color.White);
ContextConfigurator cc = new ContextConfigurator(canvasControl.ContentRect);
var renderContext = cc.CreateRenderContext(canvasControl, g);
canvasControl.RenderContent(renderContext, g);
var listGraphics = e.Graphics;
var oldClip = listGraphics.Clip;
listGraphics.IntersectClip(bounds);
listGraphics.Clear(listBox.BackColor);
listGraphics.DrawImage(bm, bounds.X + (int)insets.Left, bounds.Y + (int)insets.Top, bm.Width, bm.Height);
listGraphics.Clip = oldClip;
e.DrawFocusRectangle();
canvasControl.Dispose();
g.Dispose();
bm.Dispose();
}
/// <summary>
/// This method is called to print an individual page.
/// </summary>
protected override void OnPrintPage(System.Drawing.Printing.PrintPageEventArgs e) {
GraphControl printControl = new GraphControl();
Rectangle b = e.MarginBounds, clip;
Graphics g = e.Graphics;
g.TranslateTransform(b.X, b.Y, MatrixOrder.Append);
clip = new Rectangle(0, 0, b.Width, b.Height);
g.SetClip(clip);
printControl.Bounds = b;
printControl.SetRange(printControl.x0, printControl.x1, printControl.y0, printControl.y1);
printControl.Model = model;
printControl.AsyncDraw = false;
g.SmoothingMode = SmoothingMode.HighQuality;
printControl.PaintGraph(g);
printControl.Dispose();
}
/// <summary>
/// Paint <see cref="IGraph">component</see> as elements of the palette.
/// </summary>
private static void OnDrawItem(object sender, DrawItemEventArgs e)
{
if (sender is ListBox listBox && listBox.Items[e.Index] is IGraph component)
{
var bounds = e.Bounds;
InsetsD insets = new InsetsD(10);
// create a GraphControl that shows the component
var componentControl = new GraphControl {
Size = new Size(bounds.Width - (int)insets.HorizontalInsets, bounds.Height - (int)insets.VerticalInsets),
HorizontalScrollBarPolicy = ScrollBarVisibility.Never,
VerticalScrollBarPolicy = ScrollBarVisibility.Never,
Graph = component
};
componentControl.FitGraphBounds();
// create a bitmap with the same size as the GraphControl
Bitmap bm = new Bitmap(componentControl.Size.Width, componentControl.Size.Height);
Graphics g = Graphics.FromImage(bm);
e.DrawBackground();
g.SmoothingMode = SmoothingMode.HighQuality;
g.Clear(Color.White);
// render the content of the GraphControl into the bitmap
ContextConfigurator cc = new ContextConfigurator(componentControl.ContentRect);
var renderContext = cc.CreateRenderContext(componentControl, g);
componentControl.RenderContent(renderContext, g);
// render the image as an element of the palette
var listGraphics = e.Graphics;
var oldClip = listGraphics.Clip;
listGraphics.IntersectClip(bounds);
listGraphics.Clear(listBox.BackColor);
listGraphics.DrawImage(bm, bounds.X + (int)insets.Left, bounds.Y + (int)insets.Top, bm.Width, bm.Height);
listGraphics.Clip = oldClip;
e.DrawFocusRectangle();
componentControl.Dispose();
g.Dispose();
bm.Dispose();
}
}
public override void Unload()
{
graph.Dispose();
graph = null;
lineSeries = null;
}
public void Run(string[] args)
{
bool useVideoServer = true;
string sourceName = "Vid1";
string serverAddress = "localhost";
Console.WriteLine("ZViewer is used to troubleshoot videoserver problems.");
// try
{
foreach (string arg in args)
{
string[] parts = arg.Split(new char[] { '=' });
switch (parts[0])
{
case "server":
serverAddress = parts[1];
break;
case "source":
sourceName = parts[1];
break;
case "sinkurl":
_sessionDescription = new SessionDescription();
_sessionDescription.ClientURL = parts[1];
useVideoServer = false;
break;
default:
Console.WriteLine("Invalid Option " + parts[0]);
break;
}
}
_proxy = new GraphControl(serverAddress);
Console.WriteLine("server=" + _proxy.ServerAddress);
Console.WriteLine("source=" + sourceName);
ClientConnectRequest clientRequest = new ClientConnectRequest(sourceName);
_sessionDescription = _proxy.OpenGraph(clientRequest);
Console.WriteLine("sinkURL=" + _sessionDescription.ClientURL);
if (_sessionDescription.ClientURL.Contains("http:"))
{
Console.WriteLine("The graph is now running but nothing will be rendered here.");
}
else if (!_sessionDescription.ClientURL.Contains("rtp:"))
{
_graph = new Graph(_sessionDescription.ClientURL, null);
_graph.Run();
}
Console.WriteLine("b\tshow current bitrate");
Console.WriteLine("r\tstart recording");
Console.WriteLine("s\tstop recording");
Console.WriteLine("x\tstop viewing");
bool running = true;
while (running)
{
ConsoleKeyInfo keyInfo = Console.ReadKey(true);
switch (keyInfo.KeyChar)
{
case 'b':
if (_graph != null)
{
int bitRate = _graph.AvgBitRate;
Console.WriteLine(bitRate / 1024 + " kbps");
}
break;
case 'x':
running = false;
break;
case 'r':
{
string recFileName = sourceName + @"\";
Directory.CreateDirectory(recFileName);
DateTime utc = DateTime.UtcNow;
recFileName += utc.Year.ToString() + utc.Month.ToString() + utc.Day.ToString() + utc.Hour.ToString() + utc.Minute.ToString() + ".lts";
_graph.RecordingFileName = recFileName;
Console.WriteLine("Started recording to file: " + recFileName);
}
break;
case 's':
_graph.RecordingFileName = null;
Console.WriteLine("Stopped recording");
break;
}
}
if (_graph != null)
{
_graph.Dispose();
_graph = null;
}
if (_quickTimeProcess != null)
{
Console.WriteLine("trying to kill QuickTime.");
_quickTimeProcess.CloseMainWindow();
_quickTimeProcess.Kill();
_quickTimeProcess.Dispose();
_quickTimeProcess = null;
}
_proxy.Dispose();
System.Threading.Thread.Sleep(3000);
_proxy = null;
}
// catch (Exception exc)
// {
// Console.WriteLine(exc.Message);
// }
}