public override void Draw(Graphics g, VisualGraph drawArea)
{
Pen pen = new Pen(Color, PenWidth);
g.DrawEllipse(pen, DrawRectangle.GetNormalizedRectangle(ShapeRect));
pen.Dispose();
}
public void Clone(VisualGraph drawArea)
{
int n = tempList.Count;
Point point;
for (int i = 0; i < n; i++)
{
DrawObject o = (DrawObject)tempList[i];
point = new Point(o.ShapeRect.X + 10, o.ShapeRect.Y + 10);
switch (o.ObjectType)
{
case Global.DrawType.DrawEllipse:
DrawEllipse dp = new DrawEllipse(point, drawArea);
dp.Selected = false;
objList.Add(dp);
break;
case Global.DrawType.DrawLine:
DrawLine dl = new DrawLine(point, drawArea);
dl.Selected = false;
dl.StartPoint = point;
dl.EndPoint = new Point(point.X + o.ShapeRect.Width,
point.Y + o.ShapeRect.Height);
dl.Width = o.ShapeRect.Width;
dl.Height = o.ShapeRect.Height;
dl.PenWidth = o.PenWidth;
dl.Color = o.Color;
objList.Add(dl);
break;
case Global.DrawType.DrawRectangle:
DrawRectangle dr = new DrawRectangle(point, drawArea);
dr.Selected = false;
objList.Add(dr);
break;
case Global.DrawType.DrawText:
DrawText dt = new DrawText(point, drawArea);
dt.Selected = false;
objList.Add(dt);
break;
case Global.DrawType.DrawPic:
DrawPic oldpic = (DrawPic)o;
DrawPic dpic = new DrawPic(point, drawArea);
Rectangle ret = new Rectangle(point.X, point.Y, oldpic.ShapeRect.Width,
oldpic.ShapeRect.Height);
dpic.ShapeRect = ret;
dpic.TheImage = oldpic.TheImage;
dpic.Selected = false;
objList.Add(dpic);
break;
}
}
drawArea.ActivedObjType = Global.DrawType.POINTER;
}
//将所选工具加入到页面容器中
private void VisualGraph_DragDrop(object sender, DragEventArgs e)
{
Point point = new Point(e.X, e.Y);
point = this.PointToClient(point);
switch (activedObjType)
{
case Global.DrawType.DrawText:
DrawText text = new DrawText(point, this);
objList.UnselectAll();
objList.AddObject(text);
text.Selected = true;
break;
case Global.DrawType.DrawRectangle:
DrawRectangle rect = new DrawRectangle(point, this);
objList.UnselectAll();
objList.AddObject(rect);
rect.Selected = true;
break;
case Global.DrawType.DrawEllipse:
DrawEllipse elip = new DrawEllipse(point, this);
objList.UnselectAll();
objList.AddObject(elip);
elip.Selected = true;
break;
case Global.DrawType.DrawLine:
DrawLine line = new DrawLine(point, this);
objList.UnselectAll();
objList.AddObject(line);
line.Selected = true;
break;
case Global.DrawType.DrawPic:
DrawPic pic = new DrawPic(point, this);
objList.UnselectAll();
objList.AddObject(pic);
pic.Selected = true;
break;
}
activedObjType = Global.DrawType.POINTER;
this.Refresh();
}
public override void Draw(Graphics g, VisualGraph drawArea)
{
SolidBrush drawBrush = new SolidBrush(Color.Black);
Pen fontPen = new Pen(Color, PenWidth);
if (_stringFormat == null)
{
_stringFormat = new StringFormat();
_stringFormat.Alignment = StringAlignment.Center;
_stringFormat.LineAlignment = StringAlignment.Center;
}
Font drawFont = new Font("Arial", 12);
g.DrawString(CurText, drawFont, drawBrush, ShapeRect, _stringFormat);
if (_Show)
{
g.DrawRectangle(fontPen, DrawRectangle.GetNormalizedRectangle(ShapeRect));
}
drawFont.Dispose();
drawBrush.Dispose();
fontPen.Dispose();
}
public override void Normalize()
{
ShapeRect = DrawRectangle.GetNormalizedRectangle(ShapeRect);
}