public DrawImage()
{
_zoomfactor = int.Parse(Autodesk.AutoCAD.ApplicationServices.Application.GetSystemVariable("ZOOMFACTOR").ToString());
_zoom_wheel = int.Parse(Autodesk.AutoCAD.ApplicationServices.Application.GetSystemVariable("ZOOMWHEEL").ToString());
Autodesk.AutoCAD.ApplicationServices.Application.SystemVariableChanged += Application_SystemVariableChanged;
Autodesk.AutoCAD.ApplicationServices.Application.PreTranslateMessage += Application_PreTranslateMessage;
Document dwg = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.CurrentDocument;
MapTiles.darwBounds();
add0Level();
dwg.ViewChanged += dwg_ViewChanged;
}
/// <summary>
/// 视口变化
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dwg_ViewChanged(object sender, EventArgs e)
{
Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.CurrentDocument;
using (document.LockDocument(DocumentLockMode.ProtectedAutoWrite, null, null, false))
{
Editor editor = document.Editor;
//Size win_size = document.Window.GetSize();
//Point location = document.Window.GetLocation();
//editor.WriteMessage("\nwin_size:" + win_size.ToString() + "location:" + location.ToString());
if (1 == _level || 0 == _level)
{
return;
}
ViewTableRecord currentView = editor.GetCurrentView();
Point2d view_center_point = currentView.CenterPoint;
Size view_size = new Size((int)currentView.Width, (int)currentView.Height);
//editor.WriteMessage("\ncenter_point:" + view_center_point.ToString() + "view_size:" + view_size.ToString());
Point2d left_down = new Point2d(view_center_point.X - view_size.Width / 2.0, view_center_point.Y - view_size.Height / 2.0);
Point2d right_up = new Point2d(view_center_point.X + view_size.Width / 2.0, view_center_point.Y + view_size.Height / 2.0);
//Point3d center_point3d = (Point3d)Autodesk.AutoCAD.ApplicationServices.Application.GetSystemVariable("VIEWCTR");
//Point2d size_screen = (Point2d)Autodesk.AutoCAD.ApplicationServices.Application.GetSystemVariable("SCREENSIZE");
//Size size = new Size((int)size_screen.X, (int)size_screen.Y);
//Point2d center_point = new Point2d(center_point3d.X, center_point3d.Y);
//MapTiles.webMercatorBounds(center_point, _level, size, ref left_down, ref right_up);
//document.Editor.WriteMessage("\n CenterPoint:" + center_point.ToString() + "left_down:" + left_down.ToString() + "right_up:" + right_up.ToString() + "level:" + _level.ToString());
//RectangleF view_image = new RectangleF();
//bool is_contain = MapTiles.getIntersects(left_down, right_up, ref view_image);
//if (!is_contain)
//{
// return;
//}
//else
//{
// left_down = new Point2d(view_image.X, view_image.Y-view_image.Height);
// right_up = new Point2d(view_image.X+view_image.Width, view_image.Y);
// MapTiles.darwBounds(left_down,right_up,Autodesk.AutoCAD.Colors.Color.FromRgb(0,255,0),20,20);
//}
int start_row = 0, end_row = 0, start_col = 0, end_col = 0;
MapTiles.webMercatorTilesFromBound(left_down, right_up, _level, out start_row, out start_col, out end_row, out end_col);
addImage(document, MapTiles.webMercatorResolution(_level), start_row, end_row, start_col, end_col);
}
}
/// <summary>
/// 加载 首级别的影像
/// </summary>
public void add0Level()
{
Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.CurrentDocument;
using (document.LockDocument(DocumentLockMode.ProtectedAutoWrite, null, null, false))
{
_level = 1;
addImage(document, MapTiles.webMercatorResolution(1), 0, 1, 0, 1);
}
//Point2d point_left_up = MapTiles.webMercatorTilesLeftUpLocation(0,0,1);
//string url = String.Format("http://t3.tianditu.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=c&TileMatrix={0}&TileRow={1}&TileCol={2}&style=default&format=tiles", 1, 0, 0);
addImage(document, MapTiles.webMercatorResolution(1), 0, 1, 0, 1);
//point_left_up = MapTiles.webMercatorTilesLeftUpLocation(1, 0, 1);
//string url_01 = String.Format("http://t3.tianditu.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=c&TileMatrix={0}&TileRow={1}&TileCol={2}&style=default&format=tiles", 1, 0, 1);
//addImage(document, url_01, point_left_up,MapTiles.webMercatorResolution(1));
ZoomExtents();
}
public ObjectId addImage(Document doc, double resulotion, int start_row, int end_row, int start_col, int end_col)
{
lockLayerOrNot(_layer_name, false);
Database database = doc.Database;
Editor editor = doc.Editor;
ObjectId result;
//try
//{
// System.Drawing.Image.FromStream(new WebClient().OpenRead(url));
//}
//catch
//{
// result = ObjectId.Null;
// editor.WriteMessage("Url is invalid!");
// return result;
//}
ObjectId objectId = ObjectId.Null;
try
{
using (doc.LockDocument(DocumentLockMode.ProtectedAutoWrite, null, null, false))
{
Autodesk.AutoCAD.ApplicationServices.TransactionManager transactionManager = doc.TransactionManager;
doc.TransactionManager.EnableGraphicsFlush(true);
using (Transaction transaction = transactionManager.StartTransaction())
{
ObjectId objectId2 = RasterImageDef.GetImageDictionary(database);
if (objectId2.IsNull)
{
objectId2 = RasterImageDef.CreateImageDictionary(database);
}
//rasterImageDef.ResolutionMMPerPixel = new Vector2d(78217.51696, 78217.51696);
DBDictionary dBDictionary = (DBDictionary)transaction.GetObject(objectId2, OpenMode.ForWrite);
dBDictionary.Erase();
for (int i = start_row; i <= end_row; ++i)
{
for (int j = start_col; j <= end_col; ++j)
{
Point2d left_up = MapTiles.webMercatorTilesLeftUpLocation(j, i, _level);
string url = string.Format("http://t3.tianditu.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=c&TileMatrix={0}&TileRow={1}&TileCol={2}&style=default&format=tiles", _level, i, j);
RasterImageDef rasterImageDef = new RasterImageDef();
rasterImageDef.SourceFileName = (url);
rasterImageDef.Load();
bool arg_A4_0 = rasterImageDef.IsLoaded;
string text = RasterImageDef.SuggestName(dBDictionary, url);
if (dBDictionary.Contains(text))
{
result = ObjectId.Null;
return(result);
}
dBDictionary.SetAt(text, rasterImageDef);
transaction.AddNewlyCreatedDBObject(rasterImageDef, true);
string layer_name = _layer_name;
ObjectId layer = GetLayer(database, transaction, ref layer_name);
RasterImage rasterImage = new RasterImage();
rasterImage.ImageDefId = (rasterImageDef.ObjectId);
rasterImage.SetLayerId(layer, false);
//byte b = Convert.ToByte(Math.Floor((100.0 - (double)transparency) / 100.0 * 254.0));
Transparency transparency2 = new Autodesk.AutoCAD.Colors.Transparency(100);
rasterImage.Transparency = transparency2;
rasterImage.Orientation = new CoordinateSystem3d(new Point3d(left_up.X, left_up.Y, 0), new Vector3d(resulotion * 256, 0, 0), new Vector3d(0, resulotion * 256, 0));
BlockTable blockTable = (BlockTable)transactionManager.GetObject(database.BlockTableId, 0, false);
BlockTableRecord blockTableRecord = (BlockTableRecord)transactionManager.GetObject(blockTable[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
rasterImage.ColorIndex = (256);
objectId = blockTableRecord.AppendEntity(rasterImage);
transactionManager.AddNewlyCreatedDBObject(rasterImage, true);
rasterImage.AssociateRasterDef(rasterImageDef);
RasterImage.EnableReactors(true);
rasterImageDef.UpdateEntities();
try
{
rasterImageDef.UpdateEntities();
}
catch (System.Exception ex)
{
}
}
}
//DrawOrderTable drawOrderTable = (DrawOrderTable)transaction.GetObject(blockTableRecord.DrawOrderTableId, OpenMode.ForWrite);
//ObjectIdCollection objectIdCollection = new ObjectIdCollection();
//objectIdCollection.Add(objectId);
//drawOrderTable.MoveToBottom(objectIdCollection);
transaction.Commit();
}
}
result = objectId;
}
catch (System.Exception ex)
{
string message = ex.Message;
ObjectId arg_2FE_0 = ObjectId.Null;
result = ObjectId.Null;
}
catch
{
//rrorReport.ShowErrorMessage(AfaStrings.UnexpectedErrorInAddingRasterImage);
result = ObjectId.Null;
}
lockLayerOrNot(_layer_name, true);
return(result);
}