public ArgSelectorCopyObject(long clientID, long pictureID, SelectorObject selectorObj)
{
if (selectorObj == null)
{
throw new ArgumentNullException("Selector object is null");
}
_clientID = clientID;
Selector = selectorObj;
PictureBoxID = pictureID;
}
private void NCSelectedRect(IConnector connector, ArgSelectorCopyObject arg)
{
if (arg == null || arg.PictureBoxID == 0)
{
return;
}
SelectorObject selector = arg.Selector;
selector.Picture = _canvas.GetEditablePictureBox(arg.PictureBoxID);
selector.SourcePicture = _canvas.BackPicture;
_canvas.AddDrawObject(arg.PictureBoxID, selector);
}
public DrawObject GetDrawObject(int pX, int pY)
{
SelectorObject selector = new SelectorObject();
selector.Picture = _picture;
selector.SourcePicture = _source;
selector.NeedCopy = _needCopy;
selector.CutObject = _isCutted;
selector.SizeX = Math.Abs(pX - _startX);
selector.SizeY = Math.Abs(pY - _startY);
selector.LocationX = pX < _startX ? pX : _startX;
selector.LocationY = pY < _startY ? pY : _startY;
return(selector);
}
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 OnMouseUp(object sender, MouseEventArgs e)
{
if (_paintTool != null)
{
Point canvasPos = GetCanvasPoint(sender as Control, e.X, e.Y);
DrawObject drObj = _paintTool.Draw(canvasPos.X, canvasPos.Y);
if (drObj is SelectorObject)
{
SelectorObject selector = drObj as SelectorObject;
selector.NeedCopy = true;
}
SendDrawObject(drObj);
_paintTool = null;
}
}
public bool UnPack(byte[] pack)
{
if (pack == null || pack.Length < 42)
{
return(false);
}
int ptr = 8;
_clientID = BytePacketReader.ReadLong(pack, ref ptr);
PictureBoxID = BytePacketReader.ReadLong(pack, ref ptr);
Selector = new SelectorObject();
Selector.LocationX = BytePacketReader.ReadInt(pack, ref ptr);
Selector.LocationY = BytePacketReader.ReadInt(pack, ref ptr);
Selector.SizeX = BytePacketReader.ReadInt(pack, ref ptr);
Selector.SizeY = BytePacketReader.ReadInt(pack, ref ptr);
Selector.CutObject = BytePacketReader.ReadBoolean(pack, ref ptr);
Selector.NeedCopy = BytePacketReader.ReadBoolean(pack, ref ptr);
return(true);
}
private void NCSelectCopyRect(IConnector connection, ArgSelectorCopyObject arg)
{
if (arg.PictureBoxID == 0)
{
return;
}
long assocID = GetPictureBoxAssociationID(arg.PictureBoxID);
if (assocID == 0)
{
return;
}
arg.PictureBoxID = assocID;
SelectorObject selector = arg.Selector;
selector.Picture = _canvas.GetEditablePictureBox(arg.PictureBoxID);
selector.SourcePicture = _canvas.BackPicture;
_canvas.AddDrawObject(arg.PictureBoxID, selector);
AddCommandToSendClients(arg);
}
public static void Draw(DrawObject drObj)
{
SelectorObject selector = drObj as SelectorObject;
if (selector == null || selector.Picture == null ||
selector.SourcePicture == null || selector.SourcePicture.Image == null)
{
return;
}
selector.Picture.Width = selector.SizeX;
selector.Picture.Height = selector.SizeY;
selector.Picture.Location = new Point(selector.LocationX, selector.LocationY);
Bitmap bm = new Bitmap(selector.SizeX <= 0 ? 1 : selector.SizeX, selector.SizeY <= 0 ? 1 : selector.SizeY);
using (Graphics gr = Graphics.FromImage(bm))
{
Rectangle rDest = new Rectangle(0, 0, bm.Width, bm.Height);
Rectangle rSource = new Rectangle(selector.LocationX, selector.LocationY, selector.SizeX, selector.SizeY);
gr.FillRectangle(new SolidBrush(Color.Transparent), rDest);
if (selector.NeedCopy)
{
if ((PictureBoxStatus.IsDrawable & selector.Picture.Status) == PictureBoxStatus.IsDrawable)
{
GraphicsUnit units = GraphicsUnit.Pixel;
gr.DrawImage(selector.SourcePicture.Image, rDest, rSource, units);
selector.Picture.Image = bm;
}
if (selector.CutObject)
{
Graphics grSource = Graphics.FromImage(selector.SourcePicture.Image);
grSource.FillRectangle(new SolidBrush(Color.White), rSource);
selector.SourcePicture.Invalidate();
}
}
}
}
