private void msView_MouseUp(object sender, MouseEventArgs e)
{
if (m_RubberBand != null)
{
if (_Map != null)
{
Rectangle myRect = m_RubberBand.Bounds();
bool selected = true;
if (myRect.Width < 10 && myRect.Height < 10)
selected = false;
if (m_pActivetool == Tools.ZoomIn)
{
if (selected)
{
Extent zoomGeoExt = pixcelToGeo(myRect);
zoomToExtents(zoomGeoExt.Left, zoomGeoExt.Right, zoomGeoExt.Bottom, zoomGeoExt.Top);
}
else
{
//Ĭ��Ϊ�Ŵ�һ��
zoomIn();
}
}
else if (m_pActivetool == Tools.ZoomOut)
{
if (selected)
{
double rectW = myRect.Width;
double rectH = myRect.Height;
//��С��ͼ������ѡ���͵�ǰ��ͼ�ı��ʣ�ȡ��С����
double dFactor = ((rectW / m_viewWidth) > (rectH / m_viewHeight)) ? (rectW / m_viewWidth) : (rectH / m_viewHeight);
dFactor = 1 / dFactor;
double pCenterX = (myRect.Right + myRect.Left) / 2;
double pCenterY = (myRect.Top + myRect.Bottom) / 2;
double dNewW = (m_viewWidth * dFactor) / 2;
double dNewH = (m_viewHeight * dFactor) / 2;
Rectangle newRect = Rectangle.FromLTRB((int)(pCenterX - dNewW), (int)(pCenterY + dNewH),
(int)(pCenterX + dNewW), (int)(pCenterY - dNewH));
Extent zoomGeoExt = pixcelToGeo(newRect);
zoomToExtents(zoomGeoExt.Left, zoomGeoExt.Right, zoomGeoExt.Bottom, zoomGeoExt.Top);
}
else
{
//Ĭ��Ϊ�Ŵ�һ��
zoomOut();
}
}
}
m_RubberBand.End();
m_RubberBand = null;
}
else if (m_pActivetool == Tools.Pan)
{
if (_Map == null) return;
if (m_blnOnPan)
{
m_blnOnPan = false;
//this is the only mode we care about for this event
m_bitbltClickDown.X = 0;
m_bitbltClickMove.Y = 0;
//m_pResizeExtent = m_Curextents;
double xAmount = (pictureBoxPan.Left) * m_inversePixelPerProjectionX;
double yAmount = (pictureBoxPan.Top) * m_inversePixelPerProjectionY;
_Map.extent.maxx -= xAmount;
_Map.extent.minx -= xAmount;
_Map.extent.miny += yAmount;
_Map.extent.maxy += yAmount;
LogPrevExtent();
refreshMap(false);
pictureBoxPan.Visible = false;
if (pictureBoxPan.BackgroundImage != null)
{
pictureBoxPan.BackgroundImage.Dispose();
pictureBoxPan.BackgroundImage = null;
}
this.Capture = false;
this.Refresh();
}
}
//if (_Map != null)
//{
// if (MouseUp != null)
// MouseUp(this._Map.ImageToWorld(new System.Drawing.Point(e.X, e.Y)), e);
// if (e.Button == MouseButtons.Left)
// {
// if (this.ActiveTool == Tools.ZoomOut)
// {
// double scale = 0.5;
// if (!mousedragging)
// {
// _Map.Center = this._Map.ImageToWorld(new System.Drawing.Point(e.X, e.Y));
// if (MapCenterChanged != null)
// MapCenterChanged(_Map.Center);
// }
// else
// {
// if (e.Y - mousedrag.Y < 0) //Zoom out
// scale = (float)Math.Pow(1 / (float)(mousedrag.Y - e.Y), 0.5);
// else //Zoom in
// scale = 1 + (e.Y - mousedrag.Y) * 0.1;
// }
// _Map.Zoom *= 1 / scale;
// if (MapZoomChanged != null)
// MapZoomChanged(_Map.Zoom);
// Refresh();
// }
// else if (this.ActiveTool == Tools.ZoomIn)
// {
// double scale = 2;
// if (!mousedragging)
// {
// _Map.Center = this._Map.ImageToWorld(new System.Drawing.Point(e.X, e.Y));
// if (MapCenterChanged != null)
// MapCenterChanged(_Map.Center);
// }
// else
// {
// if (e.Y - mousedrag.Y < 0) //Zoom out
// scale = (float)Math.Pow(1 / (float)(mousedrag.Y - e.Y), 0.5);
// else //Zoom in
// scale = 1 + (e.Y - mousedrag.Y) * 0.1;
// }
// _Map.Zoom *= 1 / scale;
// if (MapZoomChanged != null)
// MapZoomChanged(_Map.Zoom);
// Refresh();
// }
// else if (this.ActiveTool == Tools.Pan)
// {
// if (mousedragging)
// {
// System.Drawing.Point pnt = new System.Drawing.Point(this.Width / 2 + (mousedrag.X - e.Location.X), this.Height / 2 + (mousedrag.Y - e.Location.Y));
// _Map.Center = this._Map.ImageToWorld(pnt);
// if (MapCenterChanged != null)
// MapCenterChanged(_Map.Center);
// }
// else
// {
// _Map.Center = this._Map.ImageToWorld(new System.Drawing.Point(e.X, e.Y));
// if (MapCenterChanged != null)
// MapCenterChanged(_Map.Center);
// }
// Refresh();
// }
// else if (this.ActiveTool == Tools.Query)
// {
// if (_Map.Layers.Count > _queryLayerIndex && _queryLayerIndex > -1)
// {
// if (_Map.Layers[_queryLayerIndex].GetType() == typeof(SharpMap.Layers.VectorLayer))
// {
// SharpMap.Layers.VectorLayer layer = _Map.Layers[_queryLayerIndex] as SharpMap.Layers.VectorLayer;
// SharpMap.Geometries.BoundingBox bbox = this._Map.ImageToWorld(new System.Drawing.Point(e.X, e.Y)).GetBoundingBox().Grow(_Map.PixelSize * 5);
// SharpMap.Data.FeatureDataSet ds = new SharpMap.Data.FeatureDataSet();
// layer.DataSource.Open();
// layer.DataSource.ExecuteIntersectionQuery(bbox, ds);
// layer.DataSource.Close();
// if (ds.Tables.Count > 0)
// if (MapQueried != null) MapQueried(ds.Tables[0]);
// else
// if (MapQueried != null) MapQueried(new SharpMap.Data.FeatureDataTable());
// }
// }
// else
// MessageBox.Show("No active layer to query");
// }
// }
// if (mousedragImg != null)
// {
// mousedragImg.Dispose();
// mousedragImg = null;
// }
// mousedragging = false;
}
private void msView_MouseDown(object sender, MouseEventArgs e)
{
m_clickDown.X = e.X;
m_clickDown.Y = e.Y;
if(e.Button == MouseButtons.Left)
{
if(m_pActivetool == Tools.Pan)
{
m_blnOnPan = true;
m_bitbltClickDown.X = e.X;
m_bitbltClickDown.Y = e.Y;
if (pictureBoxPan.BackgroundImage != null)
{
pictureBoxPan.BackgroundImage.Dispose();
pictureBoxPan.BackgroundImage = null;
}
if (this.BackgroundImage != null)
{
Bitmap pNewImage = new Bitmap(this.BackgroundImage);
pictureBoxPan.BackgroundImage = pNewImage;
this.BackgroundImage.Dispose();
this.BackgroundImage = null;
}
pictureBoxPan.Left = 0;
pictureBoxPan.Top = 0;
pictureBoxPan.Width = this.Width;
pictureBoxPan.Height = this.Height;
pictureBoxPan.Visible = true;
this.Capture = true;
}
else if (m_pActivetool == Tools.ZoomIn)
{
this.m_RubberBand = new Rubberband(this, new Point(e.X, e.Y));
}
else if (m_pActivetool == Tools.ZoomOut)
{
this.m_RubberBand = new Rubberband(this, new Point(e.X, e.Y));
}
}
//if (_Map != null)
//{
// if (e.Button == MouseButtons.Left) //dragging
// mousedrag = e.Location;
// if (MouseDown != null)
// MouseDown(this._Map.ImageToWorld(new System.Drawing.Point(e.X, e.Y)), e);
//}
}