public void Add(CommandType type, float x, float y)
{
PaintCommand cmd = new PaintCommand();
cmd.Type = type;
cmd.Coord.X = x;
cmd.Coord.Y = y;
_paintingCommands.Add(cmd);
}
void OnReceiveRtsData(string sessionId, int channelType, string uid, IntPtr data, int size)
{
if (_sessionId != sessionId)
{
return;
}
var content = Marshal.PtrToStringAnsi(data, size);
System.Diagnostics.Debug.WriteLine(content);
var lines = content.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
var s = _peerPaintingRecord.Count;
foreach (var item in lines)
{
var cmd = PaintCommand.Create(item, panel1.Size);
if (cmd == null || cmd.Type == CommandType.DrawOpPktId)
{
continue;
}
_peerPaintingRecord.Add(cmd);
}
var c = _peerPaintingRecord.Count;
if (c <= 0)
{
return;
}
CommandType lastCmdType = _peerPaintingRecord[c - 1].Type;
if (lastCmdType == CommandType.DrawOpUndo)
{
_peerPaintingRecord.Revert();
_peerDrawingGraphics.Clear(panel1.BackColor);
_myDrawingGraphics.Clear(panel1.BackColor);
DoDraw(_selfPaintingRecord, 0, _selfPaintingRecord.Count - 1, _myDrawingGraphics, _myPen);
DoDraw(_peerPaintingRecord, 0, _peerPaintingRecord.Count - 1, _peerDrawingGraphics, _peerPen);
}
else if (lastCmdType == CommandType.DrawOpClear)
{
SendControlCommand(CommandType.DrawOpClearCb);
ClearGraph();
}
else if (lastCmdType == CommandType.DrawOpClearCb)
{
ClearGraph();
}
else if (lastCmdType == CommandType.DrawOpStart || lastCmdType == CommandType.DrawOpMove || lastCmdType == CommandType.DrawOpEnd)
{
DoDraw(_peerPaintingRecord, s, _peerPaintingRecord.Count - 1, _peerDrawingGraphics, _peerPen);
}
else
{
System.Diagnostics.Debug.WriteLine("unknow data type:{0}", content);
}
}
public static PaintCommand Create(string cmdStr, Size size)
{
var c = cmdStr.Split(new char[] { ':', ',' });
if (c.Length >= 3)
{
PaintCommand cmd = new PaintCommand();
cmd.Type = (CommandType)int.Parse(c[0]);
cmd.Coord.X = float.Parse(c[1]) * size.Width;
cmd.Coord.Y = float.Parse(c[2]) * size.Height;
return(cmd);
}
return(null);
}
public void Add(PaintCommand cmd)
{
_paintingCommands.Add(cmd);
}