Beispiel #1
0
        private void DrawShape()
        {
            MapWindow.Interfaces.Draw  d = m_globals.MapWin.View.Draw;
            MapWindow.Interfaces.Layer l = m_globals.MapWin.Layers[m_globals.MapWin.Layers.CurrentLayer];

            PointD prev = null;

            for (int i = 0; i < m_Shape.NumPoints; i++)
            {
                PointD p = m_Shape[i];
                d.DrawPoint(p.x, p.y, m_PointSize, System.Drawing.Color.Blue);

                if (prev != null)
                {
                    if (l.LayerType == MapWindow.Interfaces.eLayerType.PolygonShapefile)
                    {
                        d.DrawLine(prev.x, prev.y, p.x, p.y, (int)l.LineOrPointSize, l.OutlineColor);
                    }
                    else
                    {
                        d.DrawLine(prev.x, prev.y, p.x, p.y, (int)l.LineOrPointSize, l.Color);
                    }
                }

                prev = p;
            }
        }
Beispiel #2
0
 private void MouseMoveEvent(int ScreenX, int ScreenY, ref bool Handled)
 {
     try
     {
         if ((m_globals.CurrentMode == GlobalFunctions.Modes.AddShape) && (this.Visible))
         {
             m_globals.MapWin.View.UserCursorHandle = m_cursor.Handle.ToInt32();
             double x = 0, y = 0;
             m_globals.MapWin.View.PixelToProj((double)ScreenX, (double)ScreenY, ref x, ref y);
             PointD snappedPoint = null;
             System.Collections.ArrayList bestPoints = null;
             if (m_snapper != null && m_snapper.CanSnap(m_globals.CurrentTolerance, x, y, m_Shape, ref bestPoints))
             {
                 snappedPoint   = ((SnapData)bestPoints[0]).point;
                 this.txtX.Text = snappedPoint.x.ToString();
                 this.txtY.Text = snappedPoint.y.ToString();
                 if (m_Shape.NumPoints > 0)
                 {
                     m_globals.MapWin.View.Draw.ClearDrawing(m_drawHandle);
                     m_drawHandle = m_globals.MapWin.View.Draw.NewDrawing(MapWinGIS.tkDrawReferenceList.dlSpatiallyReferencedList);
                     DrawShape();
                     MapWindow.Interfaces.Draw d = m_globals.MapWin.View.Draw;
                     if (m_globals.MapWin.Layers[m_globals.MapWin.Layers.CurrentLayer].LayerType == MapWindow.Interfaces.eLayerType.PolygonShapefile)
                     {
                         d.DrawLine(m_Shape[m_Shape.NumPoints - 1].x, m_Shape[m_Shape.NumPoints - 1].y, snappedPoint.x, snappedPoint.y, 2, m_globals.MapWin.Layers[m_globals.MapWin.Layers.CurrentLayer].OutlineColor);
                     }
                     else
                     {
                         d.DrawLine(m_Shape[m_Shape.NumPoints - 1].x, m_Shape[m_Shape.NumPoints - 1].y, snappedPoint.x, snappedPoint.y, 2, m_globals.MapWin.Layers[m_globals.MapWin.Layers.CurrentLayer].Color);
                     }
                 }
             }
             else
             {
                 this.txtX.Text = x.ToString();
                 this.txtY.Text = y.ToString();
                 if (m_Shape.NumPoints > 0)
                 {
                     m_globals.MapWin.View.Draw.ClearDrawing(m_drawHandle);
                     m_drawHandle = m_globals.MapWin.View.Draw.NewDrawing(MapWinGIS.tkDrawReferenceList.dlSpatiallyReferencedList);
                     DrawShape();
                     MapWindow.Interfaces.Draw d = m_globals.MapWin.View.Draw;
                     d.DrawLine(m_Shape[m_Shape.NumPoints - 1].x, m_Shape[m_Shape.NumPoints - 1].y, x, y, 2, System.Drawing.Color.Blue);
                 }
             }
         }
     }
     catch
     {
     }
 }