private void MapMouseDown(int Button, int Shift, int x, int y, ref bool Handled)
{
try
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.MoveVertex)
{
//get the projection coordinates
double projX = 0, projY = 0;
m_MapWin.View.PixelToProj((double)x, (double)y, ref projX, ref projY);
//get all the vertex points that are within tolerance
m_snapPoints = new System.Collections.ArrayList();
if (!m_snapClass.CanSnap(m_globals.CurrentTolerance, projX, projY, ref m_snapPoints))
{
return;
}
m_MapDraging = true;
Handled = true;
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
private void MapMouseDown(int Button, int Shift, int x, int y, ref bool Handled)
{
try
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.RemoveVertex)
{
if (m_globals.CurrentLayer == null)
{
return;
}
MapWinGIS.Shapefile shpFile = m_globals.CurrentLayer;
//get the projection coordinates
double projX = 0, projY = 0;
m_MapWin.View.PixelToProj((double)x, (double)y, ref projX, ref projY);
//get all the vertex points that are within tolerance
System.Collections.ArrayList snapPoints = new System.Collections.ArrayList();
if (m_snapClass.CanSnap(m_globals.CurrentTolerance, projX, projY, ref snapPoints))
{
RemoveSelectedVertex(snapPoints, shpFile);
}
//reload the snap class
m_snapClass = new SnapClass(m_MapWin);
Handled = true;
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
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
{
}
}
public void MapMouseMoveEvent(int ScreenX, int ScreenY, ref bool Handled)
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.RemoveVertex)
{
System.Collections.ArrayList lst = null;
double px = 0, py = 0;
m_globals.MapWin.View.PixelToProj((double)ScreenX, (double)ScreenY, ref px, ref py);
m_globals.MapWin.View.Select(ScreenX, ScreenY, true);
MarkAllVertices();
if (m_snapper != null && m_snapper.CanSnap(m_globals.CurrentTolerance, px, py, ref lst))
{
MarkSelectedVertices(lst);
}
}
}