public static void Draw(DrawObject drawObj)
{
MoveObject move = drawObj as MoveObject;
if (move == null || move.Picture == null)
{
return;
}
if ((PictureBoxStatus.IsMovable & move.Picture.Status) == PictureBoxStatus.IsMovable)
{
move.Picture.Location = new Point(move.LocationX - move.OffsetX, move.LocationY - move.OffsetY);
}
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
Point canvasPos = GetCanvasPoint(sender as Control, e.X, e.Y);
lblPos.Invoke((MethodInvoker) delegate {
lblPos.Text = canvasPos.ToString();
});
if (_paintTool != null)
{
DrawObject drObj = _paintTool.Draw(canvasPos.X, canvasPos.Y);
SendDrawObject(drObj);
}
}
public void AddDrawObject(long picID, DrawObject drawObj)
{
if (IsCleared || drawObj == null)
{
return;
}
lock (_canvasSync)
{
DrawObjectList drl;
_editPBDrawObjects.TryGetValue(picID, out drl);
if (drl != null)
{
drl.AddDrawObject(drawObj);
}
}
}
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 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();
}
}
}
}
public static void Draw(DrawObject drawObj)
{
BrushLineObject line = drawObj as BrushLineObject;
if (line == null || line.Picture == null || line.Picture.Image == null)
{
return;
}
if (line.Picture.Status != PictureBoxStatus.Canvas)
{
return;
}
using (Graphics gr = Graphics.FromImage(line.Picture.Image))
{
using (Pen pen = new Pen(new SolidBrush(line.BrushColor), line.BrushSize)){
gr.DrawLine(pen, new Point(line.LineStartX, line.LineStartY), new Point(line.LineEndX, line.LineEndY));
}
//чтобы не было разрывов между линиями
using (Brush br = new SolidBrush(line.BrushColor)){
gr.FillEllipse(br, line.LineEndX - line.BrushSize / 2, line.LineEndY - line.BrushSize / 2, line.BrushSize, line.BrushSize);
}
}
line.Picture.Invalidate();
}