// Methods
public PolyOperation(MouseArea mc)
{
this.mouseAreaControl = null;
this.win32 = null;
this.reversePath = new GraphicsPath();
this.graph = null;
this.operate = PolyOperate.Draw;
this.points = new PointF[0];
this.moveindex = -1;
this.startpoint = PointF.Empty;
this.prePoint = PointF.Empty;
this.nextPoint = PointF.Empty;
this.insertindex = -1;
this.tooltips = new Hashtable(0x10);
this.oldpoints = string.Empty;
this.mousedown = false;
this.AreaPoints=new ArrayList();
this.mouseAreaControl = mc;
this.win32 = mc.win32;
this.mouseAreaControl.PicturePanel.GraphChanged += new EventHandler(this.ChangeGraph);
this.mouseAreaControl.SVGDocument.SelectCollection.OnCollectionChangedEvent += new OnCollectionChangedEventHandler(this.ChangeSelect);
this.mouseAreaControl.DefaultCursor = SpecialCursors.bezierCursor;
}
public void OnMouseMove(MouseEventArgs e)
{
if (this.graph == null )
{
this.Operate = PolyOperate.Draw;
return;
}
if (((SvgElement) this.graph).ParentNode == null)
{
this.Operate = PolyOperate.Draw;
return;
}
if ((Control.ModifierKeys & Keys.Control) == Keys.Control || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom11) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom14) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom15))
{
addBegin =false;
addEnd =false;
}
if (isKeydown((int)ItopVector.Core.Win32.Enum.VirtualKeys.VK_B) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom13))
{
addBegin =true;
addEnd =false;
}
else if (isKeydown((int)ItopVector.Core.Win32.Enum.VirtualKeys.VK_E) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom12))
{
addEnd =true;
addBegin=false;
}
if(addEnd || addBegin)
{
this.Operate = PolyOperate.Draw;
return;
}
if (e.Button == MouseButtons.None)
{
this.win32.hdc = this.win32.W32GetDC(this.mouseAreaControl.Handle);
this.win32.W32SetROP2(7);
this.win32.W32PolyDraw(this.reversePath);
this.reversePath.Reset();
this.win32.ReleaseDC();
int num4;
PointF[] tfArray1 = (PointF[]) this.points.Clone();
int num1 = 0;
this.insertindex = num4 = -1;
this.moveindex = num4;
GraphicsPath path1 = new GraphicsPath();
Pen pen1 = new Pen(Color.Beige, 4f);
PointF[] tfArray3 = tfArray1;
for (int num5 = 0; num5 < tfArray3.Length; num5++)
{
PointF tf1 = tfArray3[num5];
RectangleF ef1 = new RectangleF(tf1.X - 2f, tf1.Y - 2f, 4f, 4f);
if (ef1.Contains((PointF) new Point(e.X, e.Y)))
{
this.moveindex = num1;
if ((Control.ModifierKeys & Keys.Control) == Keys.Control || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom11) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom14))
{
if (((Control.ModifierKeys & Keys.Alt) == Keys.Alt || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom11)) && this.graph is Polyline && num5 > 0 && num5 < tfArray3.Length-1 && (this.mouseAreaControl.CurrentOperation != ToolOperation.Custom14))
{
// PointF[] tfs=new PointF[num5];
// for(int i=0;i<num5;i++)
// {
// tfs[i] = tfArray1[i];
// }
// ((Polyline) this.graph).Points = tfs;
this.Operate = PolyOperate.Break;
return;
}
else
{
this.Operate = PolyOperate.Del;
return;
}
}
this.Operate = PolyOperate.MovePoint;
return;
}
if ((num1 - 1) >= 0)
{
path1.Reset();
PointF tf2 = tfArray1[num1 - 1];
path1.AddLine(tf2, tf1);
if (path1.IsOutlineVisible(new PointF((float) e.X, (float) e.Y), pen1))
{
if (((Control.ModifierKeys & Keys.Control) == Keys.Control) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom15))
{
this.Operate = PolyOperate.Add;
}
else
{
this.Operate = PolyOperate.MovePath;
}
this.insertindex = num1;
return;
}
}
if (((num1 == (tfArray1.Length - 1)) && (this.mouseAreaControl.CurrentOperation == ToolOperation.Polygon)) && (tfArray1.Length >= 3))
{
path1.Reset();
PointF tf3 = tfArray1[0];
path1.AddLine(tf3, tf1);
if (path1.IsOutlineVisible(new PointF((float) e.X, (float) e.Y), pen1))
{
if (((Control.ModifierKeys & Keys.Control) == Keys.Control) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom11)
|| (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom12) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom13) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom14))
{
this.Operate = PolyOperate.MovePath;
}
else
{
this.Operate = PolyOperate.Add;
}
this.insertindex = num1;
return;
}
}
num1++;
}
if (((Control.ModifierKeys & Keys.Control) == Keys.Control) || (this.mouseAreaControl.CurrentOperation == ToolOperation.ShapeTransform) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom11)
|| (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom12) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom13) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom14) || (this.mouseAreaControl.CurrentOperation == ToolOperation.Custom15))
{
this.Operate = PolyOperate.MovePoint;
}
else
{
this.Operate = PolyOperate.Draw;
}
if( this.operate==PolyOperate.Draw)
{
PointF pf1 =new PointF(e.X,e.Y);
PointF pf2 = this.points[points.Length -1];
PointF pf3 = pf1;
if(this.graph is Polygon)
{
pf3=points[0];
}
PointF[] array1=new PointF[3]{pf2,pf1,pf3};
this.win32.hdc = this.win32.W32GetDC(this.mouseAreaControl.Handle);
this.win32.W32SetROP2(7);
this.reversePath.Reset();
this.reversePath.AddLines(array1);
this.win32.W32PolyDraw(this.reversePath);
this.win32.ReleaseDC();
}
}
if ((e.Button != MouseButtons.Left) || !this.mousedown)
{
return;
}
this.win32.hdc = this.win32.W32GetDC(this.mouseAreaControl.Handle);
this.win32.W32SetROP2(7);
this.win32.W32PolyDraw(this.reversePath);
this.reversePath.Reset();
PointF tf4 = this.mouseAreaControl.PicturePanel.PointToView(new PointF((float) e.X, (float) e.Y));
SizeF ef2 = this.mouseAreaControl.PicturePanel.GridSize;
float single1 = ef2.Height;
float single2 = ef2.Width;
if (this.mouseAreaControl.PicturePanel.SnapToGrid)
{
int num2 = (int) ((tf4.X + (single2 / 2f)) / single2);
int num3 = (int) ((tf4.Y + (single1 / 2f)) / single1);
tf4 = (PointF) new Point((int) (num2 * single2), (int) (num3 * single1));
}
tf4 = this.mouseAreaControl.PicturePanel.PointToSystem(tf4);
//tf4 = this.mouseAreaControl.PicturePanel.PointToView(tf4);//05-16 ��
switch (this.operate)
{
case PolyOperate.MovePath:
{
PointF[] tfArray2 = (PointF[]) this.points.Clone();
Matrix matrix1 = new Matrix();
PointF tf5 = this.mouseAreaControl.PicturePanel.PointToSystem(this.startpoint);
matrix1.Translate(tf4.X - tf5.X, tf4.Y - tf5.Y);
matrix1.TransformPoints(tfArray2);
if ((tfArray2.Length < 3) || !(this.graph is Polygon))
{
this.reversePath.AddLines(tfArray2);
break;
}
this.reversePath.AddPolygon(tfArray2);
break;
}
case PolyOperate.MovePoint:
{
if ((this.moveindex >= 0) && (this.moveindex < this.points.Length))
{
if (!this.prePoint.IsEmpty)
{
this.reversePath.AddLine(this.prePoint, tf4);
}
if (!this.nextPoint.IsEmpty)
{
this.reversePath.AddLine(tf4, this.nextPoint);
}
this.reversePath.AddRectangle(new RectangleF(tf4.X - 2f, tf4.Y - 2f, 4f, 4f));
}
goto Label_04D2;
}
default:
{
goto Label_04D2;
}
}
Label_04D2:
this.win32.W32PolyDraw(this.reversePath);
this.win32.ReleaseDC();
}