ljh

@@ -82,5 +82,33 @@ namespace DmpWmts
             response.sendError(500, "缩略图范围错误:(");
             return;
         }
+        int heigth=abs(yMaxTile-yMinTile);
+        int width=abs(xMaxTile-xMinTile);
+        cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 256*(width+1), 256*(heigth+1));
+        cairo_t *cr =cairo_create (surface);
+        for( int i = 0 ; i <= width ; i++ )
+        {
+            for(int j=0;j<=heigth;j++)
+            {
+                std::string strBuff;
+                GetTile(yMaxTile+j,xMinTile+i,iLevel,strBuff,buffLen);
+                
+                //TileProviderFactory::BufferCopy(image,surface,cr,i*256,j*256);
+                //cairo_surface_write_to_png (surface, "./wmts.png");
+            }
+        }
+        std::string responseData;
+        cairo_surface_write_to_png_stream(surface, TileProviderFactory::cairo_write_func, &responseData);
+        
+        response.removeHeader("Content-Type"); 
+        std::string f = (format == "jpg") ? "image/jpg" : "image/png";     
+        response.setHeader("Content-Type", f);
+        response.write(responseData);    
+        cairo_destroy (cr);
+        cairo_surface_destroy (surface);   
+    }
+    bool DmpEsriTileProvider::GetTile(int row, int col, int level,std::string& refbuff,int& length )
+    {
+
     }
 }
\ No newline at end of file

@@ -21,6 +21,7 @@ namespace DmpWmts
       DmpEsriTileProvider(const std::string& rootPath);
       void WriteTile(const int row, const int col, const int level, const std::string& format, DmpServerResponse& response) override;
       void GetTileThumbnail(DmpTileLayer* dmpTileLayer,DmpServerResponse& response) override;
+      bool GetTile(const int row,const int col,const int level,std::string& rebuff,int& length);
     private:
       std::string IntToHex8Str(const int num);
   };