public static void Draw(DrawObject drawObj)
{
EllipseObject ellipse = drawObj as EllipseObject;
if (ellipse == null || ellipse.Picture == null)
{
return;
}
ellipse.Picture.Width = ellipse.SizeX;
ellipse.Picture.Height = ellipse.SizeY;
ellipse.Picture.Location = new Point(ellipse.LocationX, ellipse.LocationY);
Bitmap bm = new Bitmap(ellipse.SizeX <= 0 ? 1 : ellipse.SizeX, ellipse.SizeY <= 0 ? 1 : ellipse.SizeY);
using (Graphics gr = Graphics.FromImage(bm)){
gr.FillRectangle(new SolidBrush(Color.Transparent), new Rectangle(0, 0, bm.Width, bm.Height));
if ((PictureBoxStatus.IsDrawable & ellipse.Picture.Status) == PictureBoxStatus.IsDrawable)
{
using (Pen pen = new Pen(new SolidBrush(ellipse.BrushColor), ellipse.BrushSize))
{
gr.DrawEllipse(pen, new Rectangle(ellipse.BrushSize / 2, ellipse.BrushSize / 2, ellipse.SizeX - ellipse.BrushSize, ellipse.SizeY - ellipse.BrushSize));
}
}
}
ellipse.Picture.Image = bm;
}
public bool UnPack(byte[] pack)
{
if (pack == null || pack.Length < 48)
{
return(false);
}
int ptr = 8;
CliendID = BytePacketReader.ReadLong(pack, ref ptr);
PictureBoxID = BytePacketReader.ReadLong(pack, ref ptr);
Rect = new EllipseObject();
byte cR = BytePacketReader.ReadByte(pack, ref ptr);
byte cG = BytePacketReader.ReadByte(pack, ref ptr);
byte cB = BytePacketReader.ReadByte(pack, ref ptr);
byte cA = BytePacketReader.ReadByte(pack, ref ptr);
Rect.BrushColor = Color.FromArgb(cA, cR, cG, cB);
Rect.BrushSize = BytePacketReader.ReadInt(pack, ref ptr);
Rect.LocationX = BytePacketReader.ReadInt(pack, ref ptr);
Rect.LocationY = BytePacketReader.ReadInt(pack, ref ptr);
Rect.SizeX = BytePacketReader.ReadInt(pack, ref ptr);
Rect.SizeY = BytePacketReader.ReadInt(pack, ref ptr);
return(true);
}
private void NCDrawByEllipse(IConnector connection, ArgEllipseObject arg)
{
if (arg == null || arg.PictureBoxID == 0)
{
return;
}
EllipseObject ellipse = arg.Rect;
ellipse.Picture = _canvas.GetEditablePictureBox(arg.PictureBoxID);
_canvas.AddDrawObject(arg.PictureBoxID, ellipse);
}
public ArgEllipseObject(long clientID, long pictureID, EllipseObject rect)
{
if (rect == null)
{
throw new ArgumentNullException("ellipse is null");
}
CliendID = clientID;
PictureBoxID = pictureID;
Rect = rect;
}
public DrawObject GetDrawObject(int pX, int pY)
{
EllipseObject ellipse = new EllipseObject();
ellipse.Picture = _picture;
ellipse.BrushColor = _color;
ellipse.BrushSize = _brushSize;
ellipse.SizeX = Math.Abs(pX - _startX);
ellipse.SizeY = Math.Abs(pY - _startY);
ellipse.LocationX = pX < _startX ? pX : _startX;
ellipse.LocationY = pY < _startY ? pY : _startY;
return(ellipse);
}
private void SendDrawObject(DrawObject drObj)
{
if (drObj == null || drObj.Picture == null)
{
return;
}
long picBoxID = drObj.Picture.UniqueID; //canvas
ICommandArg arg = null;
if (drObj is BrushLineObject)
{
BrushLineObject line = drObj as BrushLineObject;
arg = new ArgBrushObject(_netClient.ClientID, picBoxID, line);
}
else if (drObj is LineObject)
{
LineObject line = drObj as LineObject;
arg = new ArgLineObject(_netClient.ClientID, picBoxID, line);
}
else if (drObj is RectObject)
{
RectObject rect = drObj as RectObject;
arg = new ArgRectObject(_netClient.ClientID, picBoxID, rect);
}
else if (drObj is EllipseObject)
{
EllipseObject ellipse = drObj as EllipseObject;
arg = new ArgEllipseObject(_netClient.ClientID, picBoxID, ellipse);
}
else if (drObj is MoveObject)
{
MoveObject move = drObj as MoveObject;
arg = new ArgMoveObject(_netClient.ClientID, picBoxID, move);
}
else if (drObj is SelectorObject)
{
SelectorObject selector = drObj as SelectorObject;
arg = new ArgSelectorCopyObject(_netClient.ClientID, picBoxID, selector);
}
if (arg != null && _netClient.Connector != null)
{
_netClient.Connector.SendCommand(arg);
}
}
private void NCDrawByEllipse(IConnector connection, ArgEllipseObject arg)
{
if (arg.PictureBoxID == 0)
{
return;
}
long assocID = GetPictureBoxAssociationID(arg.PictureBoxID);
if (assocID == 0)
{
return;
}
arg.PictureBoxID = assocID;
EllipseObject ellipse = arg.Rect;
ellipse.Picture = _canvas.GetEditablePictureBox(arg.PictureBoxID);
_canvas.AddDrawObject(arg.PictureBoxID, ellipse);
AddCommandToSendClients(arg);
}