private void canvas_MouseMove(object sender, MouseEventArgs e)
{
if (Mouse.LeftButton.Equals(MouseButtonState.Pressed) && framePassed())
{
double x;
double y;
MyLine line = new MyLine();
x = e.GetPosition(canvas).X;
y = e.GetPosition(canvas).Y;
if (x > canvas.Width)
{
x = canvas.Width;
}
if (y > canvas.Width)
{
y = canvas.Width;
}
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
//MessageBox.Show(x+" "+y);
line.X2 = lastX;
line.Y2 = lastY;
lastX = x;
lastY = y;
line.X1 = x;
line.Y1 = y;
try
{
line.thickness = (byte)size_Slider.Value;
}
catch
{
}
if (line.thickness > 20 || line.thickness < 0)
{
line.thickness = 3;
}
try
{
line.rgb = new byte[] { (byte)(red_Slider.Value), (byte)(green_Slider.Value), (byte)(blue_Slider.Value) };
}
catch
{
MessageBox.Show("Only valid values are allowed (0-255)");
}
line2 = MyLine.newLine(line.X1, line.Y1, line.X2, line.Y2, line.thickness, line.rgb);
canvas.Children.Add(line2);
sendLine(line);
}
}
public void recieveLine(string obj)
{
try
{
while (true)
{
int index = obj.IndexOf('}');
string objtemp = obj.Substring(0, index + 1);
MyLine myLine = JsonConvert.DeserializeObject <MyLine>(objtemp);
Line line = MyLine.newLine(myLine.X1, myLine.Y1, myLine.X2, myLine.Y2, myLine.thickness, myLine.rgb);
canvas.Children.Add(line);
if (objtemp.Length == obj.Length)
{
break;
}
obj = obj.Substring(index + 1, obj.Length - index - 1);
}
}
catch
{
}
}
public void recieve(string obj)
{
try
{
while (true)
{
int index = obj.IndexOf("}}") + 1;
string objtemp = obj.Substring(0, index + 1);
Envelope unknown = JsonConvert.DeserializeObject <Envelope>(objtemp);
if (unknown.type == "MyLine")
{
MyLine myLine = JsonConvert.DeserializeObject <MyLine>(unknown.obj.ToString());
Line line = MyLine.newLine(myLine.X1, myLine.Y1, myLine.X2, myLine.Y2, myLine.thickness, myLine.rgb);
canvas.Children.Add(line);
}
else if (unknown.type == "Message")
{
Message m = JsonConvert.DeserializeObject <Message>(unknown.obj.ToString());
string s = m.user + ": " + m.text + "\n";
chatWindow.Text += s;
}
else
{
break;
}
/*
* MyLine l = null;
* l = (unknown as MyLine);
* if (l==null)
* {
* MessageBox.Show("This doesn't show");
* }
* if (l is MyLine)
* {
* MessageBox.Show("This doesn't show either???");
* }
*/
/*
* try
* {
* unknown = unknown as MyLine;
* }catch
* {
* unknown = unknown as Message;
* }
* if (unknown is MyLine)
* {
* MessageBox.Show("It's a line");
* }
* else if (unknown is Message)
* {
* MessageBox.Show("It's a message");
* }
*/
if (objtemp.Length == obj.Length)
{
break;
}
obj = obj.Substring(index + 1, obj.Length - index - 1);
}
}
catch
{
}
}