protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (m_Map != null)
{
if (MouseUp != null)
{
MouseUp(m_Map.ImageToWorld(new Point(e.X, e.Y)), e);
}
if (e.Button == MouseButtons.Left)
{
if (m_ActiveTool == Tools.ZoomOut)
{
double scale = 0.5;
if (m_Dragging)
{
if (e.Y - m_DragStartPoint.Y < 0) //Zoom out
{
scale = (float)Math.Pow(1 / (float)(m_DragStartPoint.Y - e.Y), 0.5);
}
else //Zoom in
{
scale = 1 + (e.Y - m_DragStartPoint.Y) * 0.1;
}
}
else
{
m_Map.Center = m_Map.ImageToWorld(new Point(e.X, e.Y));
if (MapCenterChanged != null)
{
MapCenterChanged(m_Map.Center);
}
}
m_Map.Zoom /= scale;
if (MapZoomChanged != null)
{
MapZoomChanged(m_Map.Zoom);
}
}
else if (m_ActiveTool == Tools.ZoomIn)
{
double scale = 2;
if (m_Dragging)
{
if (e.Y - m_DragStartPoint.Y < 0) //Zoom out
{
scale = (float)Math.Pow(1 / (float)(m_DragStartPoint.Y - e.Y), 0.5);
}
else //Zoom in
{
scale = 1 + (e.Y - m_DragStartPoint.Y) * 0.1;
}
}
else
{
m_Map.Center = m_Map.ImageToWorld(new Point(e.X, e.Y));
if (MapCenterChanged != null)
{
MapCenterChanged(m_Map.Center);
}
}
m_Map.Zoom *= 1 / scale;
if (MapZoomChanged != null)
{
MapZoomChanged(m_Map.Zoom);
}
}
else if (m_ActiveTool == Tools.Pan)
{
if (m_Dragging)
{
Point point = new Point(ClientSize.Width / 2 + (m_DragStartPoint.X - e.Location.X), ClientSize.Height / 2 + (m_DragStartPoint.Y - e.Location.Y));
m_Map.Center = m_Map.ImageToWorld(point);
if (MapCenterChanged != null)
{
MapCenterChanged(m_Map.Center);
}
}
else
{
m_Map.Center = m_Map.ImageToWorld(new Point(e.X, e.Y));
if (MapCenterChanged != null)
{
MapCenterChanged(m_Map.Center);
}
}
}
else if (m_ActiveTool == Tools.Query)
{
if (m_Map.Layers.Count > m_QueryLayerIndex && m_QueryLayerIndex > -1)
{
/*
* if (m_Map.Layers[m_QueryLayerIndex].GetType() == typeof(Layers.VectorLayer))
* {
*
* Layers.VectorLayer layer = m_Map.Layers[m_QueryLayerIndex] as Layers.VectorLayer;
* Geometries.BoundingBox bounding;
*
* if (m_Dragging)
* {
* Geometries.Point lowerLeft;
* Geometries.Point upperRight;
* GetBounds(m_Map.ImageToWorld(m_DragStartPoint), m_Map.ImageToWorld(m_DragEndPoint), out lowerLeft, out upperRight);
*
* bounding = new Geometries.BoundingBox(lowerLeft, upperRight);
* }
* else
* bounding = m_Map.ImageToWorld(new Point(e.X, e.Y)).GetBoundingBox().Grow(m_Map.PixelSize * 5);
*
* Data.FeatureDataSet ds = new Data.FeatureDataSet();
* layer.DataSource.Open();
* layer.DataSource.ExecuteIntersectionQuery(bounding, ds);
* layer.DataSource.Close();
*
* if (MapQueried != null)
* MapQueried((ds.Tables.Count > 0 ? ds.Tables[0] : new Data.FeatureDataTable()));
* }
*/
if (m_Map.Layers[m_QueryLayerIndex] is Layers.ICanQueryLayer)
{
Layers.ICanQueryLayer layer = m_Map.Layers[m_QueryLayerIndex] as Layers.ICanQueryLayer;
Geometries.BoundingBox bounding;
if (m_Dragging)
{
Geometries.Point lowerLeft;
Geometries.Point upperRight;
GetBounds(m_Map.ImageToWorld(m_DragStartPoint), m_Map.ImageToWorld(m_DragEndPoint), out lowerLeft, out upperRight);
bounding = new Geometries.BoundingBox(lowerLeft, upperRight);
}
else
{
bounding = m_Map.ImageToWorld(new Point(e.X, e.Y)).GetBoundingBox().Grow(m_Map.PixelSize * 5);
}
Data.FeatureDataSet ds = new Data.FeatureDataSet();
layer.ExecuteIntersectionQuery(bounding, ds);
if (ds.Tables.Count > 0)
{
if (MapQueried != null)
{
MapQueried(ds.Tables[0]);
}
else if (MapQueried != null)
{
MapQueried(new Data.FeatureDataTable());
}
}
}
}
else
{
MessageBox.Show("No active layer to query");
}
}
else if (m_ActiveTool == Tools.ZoomWindow)
{
if (m_Rectangle.Width > 0 && m_Rectangle.Height > 0)
{
Geometries.Point lowerLeft;
Geometries.Point upperRight;
GetBounds(m_Map.ImageToWorld(m_DragStartPoint), m_Map.ImageToWorld(m_DragEndPoint), out lowerLeft, out upperRight);
m_DragEndPoint.X = 0;
m_DragEndPoint.Y = 0;
m_Map.ZoomToBox(new Geometries.BoundingBox(lowerLeft, upperRight));
}
}
else if (m_ActiveTool == Tools.DrawPoint)
{
if (GeometryDefined != null)
{
GeometryDefined(Map.ImageToWorld(new PointF(e.X, e.Y)));
}
}
else if (m_ActiveTool == Tools.DrawPolygon || m_ActiveTool == Tools.DrawLine)
{
//pointArray = null;
if (pointArray == null)
{
pointArray = new Point[2];
pointArray[0] = e.Location;
pointArray[1] = e.Location;
}
else
{
Point[] temp = new Point[pointArray.GetUpperBound(0) + 2];
for (int i = 0; i <= pointArray.GetUpperBound(0); i++)
{
temp[i] = pointArray[i];
}
temp[temp.GetUpperBound(0)] = e.Location;
pointArray = temp;
}
}
}
if (m_Dragging)
{
m_Dragging = false;
if (m_ActiveTool == Tools.Query)
{
Invalidate(m_Rectangle);
}
if (m_ActiveTool == Tools.ZoomWindow || m_ActiveTool == Tools.Query)
{
m_Rectangle = Rectangle.Empty;
}
Refresh();
if (m_ActiveTool != Tools.ZoomOut)
{
m_Image.Dispose();
m_Image = null;
m_Image = m_DragImage;
this.Invalidate();
}
}
else if (m_ActiveTool == Tools.ZoomIn || m_ActiveTool == Tools.ZoomOut || m_ActiveTool == Tools.Pan)
{
Refresh();
}
}
}
public static Geometries.BoundingBox MapToWorld(Geometries.BoundingBox box, IViewport view)
{
Geometries.Point lowerLeft = view.ScreenToWorld(box.BottomLeft);
Geometries.Point upperRight = view.ScreenToWorld(box.TopRight);
return(new Geometries.BoundingBox(lowerLeft, upperRight));
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (m_Map != null)
{
if (MouseUp != null)
MouseUp(m_Map.ImageToWorld(new Point(e.X, e.Y)), e);
if (e.Button == MouseButtons.Left)
{
if (m_ActiveTool == Tools.ZoomOut)
{
double scale = 0.5;
if (m_Dragging)
{
if (e.Y - m_DragStartPoint.Y < 0) //Zoom out
scale = (float)Math.Pow(1 / (float)(m_DragStartPoint.Y - e.Y), 0.5);
else //Zoom in
scale = 1 + (e.Y - m_DragStartPoint.Y) * 0.1;
}
else
{
m_Map.Center = m_Map.ImageToWorld(new Point(e.X, e.Y));
if (MapCenterChanged != null)
MapCenterChanged(m_Map.Center);
}
m_Map.Zoom /= scale;
if (MapZoomChanged != null)
MapZoomChanged(m_Map.Zoom);
}
else if (m_ActiveTool == Tools.ZoomIn)
{
double scale = 2;
if (m_Dragging)
{
if (e.Y - m_DragStartPoint.Y < 0) //Zoom out
scale = (float)Math.Pow(1 / (float)(m_DragStartPoint.Y - e.Y), 0.5);
else //Zoom in
scale = 1 + (e.Y - m_DragStartPoint.Y) * 0.1;
}
else
{
m_Map.Center = m_Map.ImageToWorld(new Point(e.X, e.Y));
if (MapCenterChanged != null)
MapCenterChanged(m_Map.Center);
}
m_Map.Zoom *= 1 / scale;
if (MapZoomChanged != null)
MapZoomChanged(m_Map.Zoom);
}
else if (m_ActiveTool == Tools.Pan)
{
if (m_Dragging)
{
Point point = new Point(ClientSize.Width / 2 + (m_DragStartPoint.X - e.Location.X), ClientSize.Height / 2 + (m_DragStartPoint.Y - e.Location.Y));
m_Map.Center = m_Map.ImageToWorld(point);
if (MapCenterChanged != null)
MapCenterChanged(m_Map.Center);
}
else
{
m_Map.Center = m_Map.ImageToWorld(new Point(e.X, e.Y));
if (MapCenterChanged != null)
MapCenterChanged(m_Map.Center);
}
}
else if (m_ActiveTool == Tools.Query)
{
if (m_Map.Layers.Count > m_QueryLayerIndex && m_QueryLayerIndex > -1)
{
/*
if (m_Map.Layers[m_QueryLayerIndex].GetType() == typeof(Layers.VectorLayer))
{
Layers.VectorLayer layer = m_Map.Layers[m_QueryLayerIndex] as Layers.VectorLayer;
Geometries.BoundingBox bounding;
if (m_Dragging)
{
Geometries.Point lowerLeft;
Geometries.Point upperRight;
GetBounds(m_Map.ImageToWorld(m_DragStartPoint), m_Map.ImageToWorld(m_DragEndPoint), out lowerLeft, out upperRight);
bounding = new Geometries.BoundingBox(lowerLeft, upperRight);
}
else
bounding = m_Map.ImageToWorld(new Point(e.X, e.Y)).GetBoundingBox().Grow(m_Map.PixelSize * 5);
Data.FeatureDataSet ds = new Data.FeatureDataSet();
layer.DataSource.Open();
layer.DataSource.ExecuteIntersectionQuery(bounding, ds);
layer.DataSource.Close();
if (MapQueried != null)
MapQueried((ds.Tables.Count > 0 ? ds.Tables[0] : new Data.FeatureDataTable()));
}
*/
if (m_Map.Layers[m_QueryLayerIndex] is Layers.ICanQueryLayer)
{
Layers.ICanQueryLayer layer = m_Map.Layers[m_QueryLayerIndex] as Layers.ICanQueryLayer;
Geometries.BoundingBox bounding;
if (m_Dragging)
{
Geometries.Point lowerLeft;
Geometries.Point upperRight;
GetBounds(m_Map.ImageToWorld(m_DragStartPoint), m_Map.ImageToWorld(m_DragEndPoint), out lowerLeft, out upperRight);
bounding = new Geometries.BoundingBox(lowerLeft, upperRight);
}
else
bounding = m_Map.ImageToWorld(new Point(e.X, e.Y)).GetBoundingBox().Grow(m_Map.PixelSize * 5);
Data.FeatureDataSet ds = new Data.FeatureDataSet();
layer.ExecuteIntersectionQuery(bounding, ds);
if (ds.Tables.Count > 0)
if (MapQueried != null) MapQueried(ds.Tables[0]);
else if (MapQueried != null) MapQueried(new Data.FeatureDataTable());
}
}
else
MessageBox.Show("No active layer to query");
}
else if (m_ActiveTool == Tools.ZoomWindow)
{
if (m_Rectangle.Width > 0 && m_Rectangle.Height > 0)
{
Geometries.Point lowerLeft;
Geometries.Point upperRight;
GetBounds(m_Map.ImageToWorld(m_DragStartPoint), m_Map.ImageToWorld(m_DragEndPoint), out lowerLeft, out upperRight);
m_Map.ZoomToBox(new Geometries.BoundingBox(lowerLeft, upperRight));
}
}
}
if (m_DragImage != null)
{
m_DragImage.Dispose();
m_DragImage = null;
}
if (m_Dragging)
{
m_Dragging = false;
if (m_ActiveTool == Tools.Query)
Invalidate(m_Rectangle);
if (m_ActiveTool == Tools.ZoomWindow || m_ActiveTool == Tools.Query)
m_Rectangle = Rectangle.Empty;
Refresh();
}
else if (m_ActiveTool == Tools.ZoomIn || m_ActiveTool == Tools.ZoomOut || m_ActiveTool== Tools.Pan)
Refresh();
}
}
public Geometries.BoundingBox Transfrom(int fromSRID, int toSRID, Geometries.BoundingBox boundingBox)
{
throw new NotImplementedException();
}
