lazmapviewer: Revert "periodic world" commits #8789, #8796, #8798 (too many issues).

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8799 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/lazmapviewer/source/mvengine.pas

@@ -623,20 +623,13 @@ function TMapViewerEngine.DegreesToMapPixels(const AWin: TMapWindow;
   ALonLat: TRealPoint): TPoint;
 var
   pixelLocation: TPoint;
-  mapWidth: Int64;
 begin
   case AWin.MapProvider.ProjectionType of
     ptEPSG3395: pixelLocation := DegreesToPixelsEPSG3395(AWin, ALonLat);
     ptEPSG3857: pixelLocation := DegreesToPixelsEPSG3857(AWin, ALonLat);
     else pixelLocation := DegreesToPixelsEPSG3857(AWin, ALonLat);
   end;
-
-  mapWidth := ZoomFactor(AWin.Zoom) * TILE_SIZE;
   Result.X := pixelLocation.x + AWin.X;
-  while (Result.X < 0) do
-    Result.X := Result.X + mapWidth;
-  while (Result.X > AWin.Width) do
-    Result.X := Result.X - mapWidth;
   Result.Y := pixelLocation.y + AWin.Y;
 end;
 
@@ -721,11 +714,7 @@ var
 begin
   iMapWidth := round(ZoomFactor(AWin.Zoom)) * TILE_SIZE;
 
-  mPoint.X := (APoint.X - AWin.X) mod iMapWidth;
-  while mPoint.X < 0 do
-    mPoint.X := mPoint.X + iMapWidth;
-  while mPoint.X >= iMapWidth do
-    mPoint.X := mPoint.X - iMapWidth;
+  mPoint.X := EnsureRange(APoint.X - AWin.X, 0, iMapWidth);
   mPoint.Y := EnsureRange(APoint.Y - AWin.Y, 0, iMapWidth);
 
   case aWin.MapProvider.ProjectionType of
@@ -1006,22 +995,17 @@ var
   x, y : Integer; //int64;
   Tiles: TTileIdArray = nil;
   iTile: Integer;
-  numTiles: Integer;
 begin
   if not(Active) then
     Exit;
   Queue.CancelAllJob(self);
   TilesVis := CalculateVisibleTiles(aWin);
-  numTiles := 1 shl aWin.Zoom;
   SetLength(Tiles, (TilesVis.Bottom - TilesVis.Top + 1) * (TilesVis.Right - TilesVis.Left + 1));
   iTile := Low(Tiles);
   for y := TilesVis.Top to TilesVis.Bottom do
     for X := TilesVis.Left to TilesVis.Right do
     begin
-      //Tiles[iTile].X := X;
-      Tiles[iTile].X := X mod numTiles;
-      if Tiles[iTile].X < 0 then
-        Tiles[iTile].X := Tiles[iTile].X + numTiles;
+      Tiles[iTile].X := X;
       Tiles[iTile].Y := Y;
       Tiles[iTile].Z := aWin.Zoom;
       if IsValidTile(aWin, Tiles[iTile]) then
@@ -1257,36 +1241,15 @@ var
   EnvTile: TEnvTile;
   img: TLazIntfImage;
   X, Y: integer;
-  worldWidth: Integer;
-  numTiles: Integer;
-  baseX: Integer;
 begin
   EnvTile := TEnvTile(Data);
   try
     if IsCurrentWin(EnvTile.Win)then
     begin
        Cache.GetFromCache(EnvTile.Win.MapProvider, EnvTile.Tile, img);
-
+       X := EnvTile.Win.X + EnvTile.Tile.X * TILE_SIZE; // begin of X
        Y := EnvTile.Win.Y + EnvTile.Tile.Y * TILE_SIZE; // begin of Y
-       baseX := EnvTile.Win.X + EnvTile.Tile.X * TILE_SIZE; // begin of X
-       numTiles := 1 shl EnvTile.Win.Zoom;
-       worldWidth := numTiles * TILE_SIZE;
-
-       // From the center to the left (western) hemisphere
-       X := baseX;
-       while (X+TILE_SIZE >= 0) do
-       begin
        DrawTile(EnvTile.Tile, X, Y, img);
-         X := X - worldWidth;
-       end;
-
-       // From the center to the right (eastern) hemisphere
-       X := baseX + worldWidth;
-       while ((X-TILE_SIZE) <= EnvTile.Win.Width) do
-       begin
-         DrawTile(EnvTile.Tile, X, Y, img);
-         X := X + worldWidth;
-       end;
     end;
   finally
     FreeAndNil(EnvTile);

components/lazmapviewer/source/mvmapviewer.pas

@@ -793,8 +793,6 @@ var
 begin
   Area.TopLeft := Engine.ScreenToLonLat(Point(aLeft, aTop));
   Area.BottomRight := Engine.ScreenToLonLat(Point(aRight, aBottom));
-  Area.Normalize;
-
   if GPSItems.Count > 0 then
   begin
     lst := GPSItems.GetObjectsInArea(Area);
@@ -1015,25 +1013,13 @@ end;
 function TMapView.GetVisibleArea: TRealArea;
 var
   aPt: TPoint;
-  w, mapWidth: Int64;
 begin
   aPt.X := 0;
   aPt.Y := 0;
   Result.TopLeft := Engine.ScreenToLonLat(aPt);
-
-  mapWidth := ZoomFactor(Engine.Zoom) * TILE_SIZE;
-  w := Width;
-  if w >= mapWidth then
-  begin
-    Result.TopLeft.Lon := -180;
-    Result.BottomRight.Lon := 180;
-  end else
-  begin
-    aPt.X := w;
+  aPt.X := Width;
   aPt.Y := Height;
   Result.BottomRight := Engine.ScreenToLonLat(aPt);
-    Result.Normalize;
-  end;
 end;
 
 procedure TMapView.ClearBuffer;

components/lazmapviewer/source/mvtypes.pas

@@ -47,8 +47,6 @@ Type
   TRealArea = Record
     TopLeft : TRealPoint;
     BottomRight : TRealPoint;
-    procedure Normalize;
-    function Normalized: TRealArea;
   end;
 
 
@@ -76,19 +74,5 @@ begin
   Self.Lat := RadToDeg(AValue);
 end;
 
-{ TRealArea }
-
-procedure TRealArea.Normalize;
-begin
-  while BottomRight.Lon < TopLeft.Lon do
-    BottomRight.Lon := BottomRight.Lon + 360.0;
-end;
-
-function TRealArea.Normalized: TRealArea;
-begin
-  Result := Self;
-  Result.Normalize;
-end;
-
 end.