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;
}
}
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
{
}
}