private List <object> DictToFormsList(JArray content)
{
List <object> forms = new List <object>();
foreach (JObject coloredForm in content)
{
Dictionary <string, object> pdict = JsonConvert.DeserializeObject <Dictionary <string, object> >(coloredForm.ToString());
Dictionary <string, string> formElement = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
switch (pdict["type"])
{
case "LINE":
ColoredLine line = DictToLine(formElement);
forms.Add(line);
break;
case "CIRCLE":
ColoredCircle circle = DictToCircle(formElement);
forms.Add(circle);
break;
case "PATH":
ColoredPath path = DictToPath(formElement);
forms.Add(path);
break;
case "RECTANGLE":
ColoredRectangle rectangle = DictToRectangle(formElement);
forms.Add(rectangle);
break;
}
}
return(forms);
}
public virtual IPoint CreatePoint(object[] obj)
{
IPoint p = new PointBase((double)obj[0], (double)obj[1]);
int[] col = new int[3];
for (int i = 0; i < col.Length; i++)
{
double c = (double)obj[i + 2];
int x = (int)(c * 255);
if (x < 0)
{
x = 0;
}
if (x > 255)
{
x = 255;
}
col[i] = x;
}
Color color = Color.FromArgb(255, col[0], col[1], col[2]);
double s = (double)obj[5];
ColoredCircle circle = new ColoredCircle((int)s, color);
p.Properties = circle;
return(p);
}
static void ShapeWork()
{
Rectangle r = new Rectangle();
Console.WriteLine("Enter the length: ");
r.Length = int.Parse(Console.ReadLine());
r.Width = 3;
Console.WriteLine(r.GetPerimeter());
Console.WriteLine(r.Area);
//BetterCircle circle = new BetterCircle();
NoisyCircle noisyCircle = new NoisyCircle();
BetterCircle circle = noisyCircle; // upcasting
circle.Radius = 8;
noisyCircle.GetPerimeter();
circle.GetPerimeter();
Console.WriteLine();
PrintShapeDetails(r, "rectangle");
PrintShapeDetails(circle, "circle");
ColoredCircle blueCircle = new ColoredCircle();
}
//Idem PathAction avec des cercles
private void CircleAction(SKTouchEventArgs e, SKColor color)
{
switch (e.ActionType)
{
case SKTouchAction.Pressed:
var c = new ColoredCircle {
Color = color, Center = e.Location, Radius = 0.1F, StrokeWidth = strokeWidth
};
temporaryForms[e.Id] = c;
break;
case SKTouchAction.Moved:
if (e.InContact && temporaryForms.ContainsKey(e.Id))
{
c = (ColoredCircle)temporaryForms[e.Id];
c.Radius = (float)Math.Sqrt(Math.Pow(e.Location.X - c.Center.X, 2) + Math.Pow(e.Location.Y - c.Center.Y, 2));
}
break;
case SKTouchAction.Released:
if (temporaryForms.ContainsKey(e.Id))
{
forms.Add(temporaryForms[e.Id]);
asyncClient.Send((ColoredCircle)temporaryForms[e.Id]);
temporaryForms.Remove(e.Id);
}
break;
case SKTouchAction.Cancelled:
temporaryForms.Remove(e.Id);
break;
}
}
static void Main(string[] args)
{
// if what you need is in a different project (assembly)...
// you need a project reference (right click on Dependencies in Soln Explorer.)
// if what you need is in a different namespace...
// you need a using statement at the top of the file.
// if it's in both, you need both those things.
var circle = new Circle();
circle.Radius = 4;
// property initialization syntax -
// lets you set a bunch of properties just after constructing object
// without having to type the variable name again and again.
var circle2 = new Circle {
Radius = 4
};
PrintCircleDetails(circle);
var rect = new Rectangle
{
Length = 5,
Width = 3
};
PrintShapeDetails(circle);
PrintShapeDetails(rect);
var blackCircle = new ColoredCircle
{
Radius = 5,
Color = "black"
};
PrintCircleDetails(blackCircle);
// upcasting - we put an object in a variable which is of a higher-up type (less specific)
Circle circle3 = blackCircle;
// downcasting must be explicit - potentially could fail, so, we explicitly cast with ()
ColoredCircle y = (ColoredCircle)circle3;
// the type of the variable affects what we can see/use on that object.
//circle3.Color; // error
var x = blackCircle.Color;
}
private JObject Jsonify(ColoredCircle circle)
{
string colourHash = circle.Color.ToString();
float x = circle.Center.X;
float y = circle.Center.Y;
string coordinates = x.ToString() + " " + y.ToString();
float strokeWidth = circle.StrokeWidth;
float radius = circle.Radius;
JObject json = new JObject(new JProperty("type", "CIRCLE"),
new JProperty("content", new JObject(
new JProperty("colorHash", colourHash),
new JProperty("coordinates", coordinates),
new JProperty("radius", radius),
new JProperty("strokeWidth", strokeWidth))));
return(json);
}
//Evenement déclenché quand une nouvelle forme ou instruction est reçue par le client
private void UpdateUi(Object o, UpdateUIEventArgs eventArgs)
{
lock (forms)
{
switch (eventArgs.Type)
{
case "PATH":
ColoredPath coloredPath = eventArgs.Path;
forms.Add(coloredPath);
break;
case "CIRCLE":
ColoredCircle coloredCircle = eventArgs.Circle;
forms.Add(coloredCircle);
break;
case "LINE":
ColoredLine coloredLine = eventArgs.Line;
forms.Add(coloredLine);
break;
case "RECTANGLE":
ColoredRectangle coloredRectangle = eventArgs.Rectangle;
forms.Add(coloredRectangle);
break;
case "CLEAR":
forms.Clear();
break;
case "SIZE":
width = eventArgs.Width;
height = eventArgs.Height;
break;
case "REQUEST_STATUS":
asyncClient.RestoreWhiteboard(this.forms, eventArgs.client_id);
break;
case "RESTORE":
forms = eventArgs.Forms;
break;
}
View.InvalidateSurface();
}
}
static void Main(string[] args)
{
var circle = new Circle();
circle.Radius = 4;
var circle2 = new Circle
{
Radius = 4
};
PrintCircleDetails(circle);
var rect = new Rectangle
{
Length = 5,
Width = 3
};
PrintShapeDetails(circle);
PrintShapeDetails(rect);
var blackCircle = new ColoredCircle
{
Radius = 5,
Color = "Black"
};
PrintCircleDetails(blackCircle);
//upcasting
Circle circle3 = blackCircle;
//circle3.Color; ERROR
var x = blackCircle.Color;
ColoredCircle y = (ColoredCircle)circle3;
}
private void ReceivePackage(Object o, PacketReceivedEventArgs eventArgs)
{
Dictionary <string, object> pdict = JsonConvert.DeserializeObject <Dictionary <string, object> >(eventArgs.data);
Dictionary <string, string> content;;
UpdateUIEventArgs UiEventArgs;
switch (pdict["type"])
{
case "PATH":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredPath path = DictToPath(content);
UiEventArgs = new UpdateUIEventArgs {
Type = "PATH", Path = path
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "CIRCLE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredCircle circle = DictToCircle(content);
UiEventArgs = new UpdateUIEventArgs {
Type = "CIRCLE", Circle = circle
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "LINE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredLine line = DictToLine(content);
UiEventArgs = new UpdateUIEventArgs {
Type = "LINE", Line = line
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "REQUEST_STATUS":
//Called for the host, when a new client is requesting the whiteboard's current state
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
int id = int.Parse(content["id"]);
//the id corresponds to the client's id from the server's perspective
UiEventArgs = new UpdateUIEventArgs {
Type = "REQUEST_STATUS", client_id = id
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "RECTANGLE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredRectangle rectangle = DictToRectangle(content);
UiEventArgs = new UpdateUIEventArgs {
Rectangle = rectangle, Type = "RECTANGLE"
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "SIZE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
float w = float.Parse(content["width"]);
float h = float.Parse(content["height"]);
UiEventArgs = new UpdateUIEventArgs {
Width = w, Height = h, Type = "SIZE"
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "CLEAR":
UiEventArgs = new UpdateUIEventArgs {
Type = "CLEAR"
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "RESTORE":
JArray jArray = JArray.Parse(pdict["content"].ToString());
List <object> forms = DictToFormsList(jArray);
UiEventArgs = new UpdateUIEventArgs {
Type = "RESTORE", Forms = forms
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
default:
Console.WriteLine("error parsing received data: {0}", eventArgs.data);
throw new ArgumentException(eventArgs.data);
}
}
public void Send(ColoredCircle circle)
{
JObject json = Jsonify(circle);
SendData(json);
}
private void LoadGeometry()
{
Circle = new ColoredCircle(200, 200, 200, new Vector3(255, 0, 255), 32);
Batch.Add(Circle);
}
