/// <summary>
/// 从缓存中加载瓦片
/// </summary>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="map_mode"></param>
/// <returns></returns>
private Bitmap TileFromCache(int zoom, int x, int y, MapMode map_mode)
{
try
{
string cache_path = Properties.BMap.Default.MapCachePath;
if (Directory.Exists(cache_path + "\\" + map_mode.ToString()))
{
string cache_name = cache_path + "\\" + map_mode.ToString() + "\\" + zoom + "_" + x + "_" + y + ".bmp";
if (File.Exists(cache_name))
{
return(new Bitmap(cache_name));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
catch
{
return(null);
}
}
/// <summary>
/// 将从服务器上下载的瓦片保存到缓存
/// </summary>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="map_mode"></param>
/// <param name="tile"></param>
private void SaveTile2Cache(int zoom, int x, int y, MapMode map_mode, Bitmap tile)
{
try
{
string cache_path = Properties.BMap.Default.MapCachePath;
if (!Directory.Exists(cache_path + "\\" + map_mode.ToString()))
{
Directory.CreateDirectory(cache_path + "\\" + map_mode.ToString());
}
tile.Save(cache_path + "\\" + map_mode.ToString() + "\\" + zoom + "_" + x + "_" + y + ".bmp");
}
catch
{
}
}
/// <summary>
/// 从缓存中加载瓦片
/// </summary>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="map_mode"></param>
/// <returns></returns>
private Bitmap TileFromCache(int zoom, int x, int y, MapMode map_mode)
{
try
{
string row_Path = Path.Combine(Properties.BMap.Default.MapCachePath, map_mode.ToString(), zoom + "", x + "");
if (Directory.Exists(row_Path))
{
//ZYM-20170818:修改瓦片数据保存格式为png
string cache_name = Path.Combine(row_Path, zoom + "_" + x + "_" + y + _tile_suffix);
if (File.Exists(cache_name))
{
return(new Bitmap(cache_name));
}
else
{
return(null);
}
}
else
{
return(null);
}
}
catch
{
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="column"></param>
/// <param name="row"></param>
/// <param name="zoomLevel"></param>
/// <returns></returns>
public override string GetImageUrl(int column, int row, int zoomLevel)
{
var code = GetVENumber(column, row, zoomLevel);
if (MapMode.ToString() == "r")
{
return(string.Concat(new object[] { "http://r", code[code.Length - 1], ".ortho.tiles.virtualearth.net/tiles/r", code, ".png?g=1" }));
}
return(string.Concat(new object[] { "http://", MapMode.ToString(), code[code.Length - 1], ".ortho.tiles.virtualearth.net/tiles/", MapMode.ToString(), code, ".jpeg?g=1" }));
}
/// <summary>
/// 将从服务器上下载的瓦片保存到缓存
/// </summary>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="map_mode"></param>
/// <param name="tile"></param>
private void SaveTile2Cache(int zoom, int x, int y, MapMode map_mode, Bitmap tile)
{
try
{
//ZYM-20170818:
//①将瓦片文件保存目录由原来的所有文件都存储在一个目录下，修改为保存到根目录下的“层级/行号”子目录中；
//②修改瓦片数据保存格式为png。
string row_Path = Path.Combine(Properties.BMap.Default.MapCachePath, map_mode.ToString(), zoom + "", x + "");
if (!Directory.Exists(row_Path))
{
Directory.CreateDirectory(row_Path);
}
tile.Save(Path.Combine(row_Path, zoom + "_" + x + "_" + y + _tile_suffix));
}
catch
{
}
}
protected virtual string GetJsonDataProperties()
{
var mode = MapMode.ToString().ToLower();
var key = GetMapsProviderKey(PageContext.Current);
var longitude = Rendering.DataSourceItem[Templates.StaticMap.Fields.CentralPointLongitude];
var latitude = Rendering.DataSourceItem[Templates.StaticMap.Fields.CentralPointLatitude];
var zoom = Zoom.ToString();
var width = Rendering.DataSourceItem[Templates.StaticMap.Fields.Width];
var height = Rendering.DataSourceItem[Templates.StaticMap.Fields.Height];
var data = new
{
mode,
latitude,
longitude,
Pois,
key,
zoom,
width,
height
};
return(new JavaScriptSerializer().Serialize(data));
}
/// <summary>
/// 从缓存中加载瓦片
/// </summary>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="map_mode"></param>
/// <returns></returns>
private Bitmap TileFromCache(int zoom, int x, int y, MapMode map_mode)
{
try
{
string cache_path = Properties.BMap.Default.MapCachePath;
if (Directory.Exists(cache_path + "\\" + map_mode.ToString()))
{
string cache_name = cache_path + "\\" + map_mode.ToString() + "\\" + zoom + "_" + x + "_" + y + ".bmp";
if (File.Exists(cache_name))
{
return new Bitmap(cache_name);
}
else
{
return null;
}
}
else
{
return null;
}
}
catch
{
return null;
}
}
/// <summary>
/// 将从服务器上下载的瓦片保存到缓存
/// </summary>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="map_mode"></param>
/// <param name="tile"></param>
private void SaveTile2Cache(int zoom, int x, int y, MapMode map_mode, Bitmap tile)
{
try
{
string cache_path = Properties.BMap.Default.MapCachePath;
if (!Directory.Exists(cache_path + "\\" + map_mode.ToString()))
{
Directory.CreateDirectory(cache_path + "\\" + map_mode.ToString());
}
tile.Save(cache_path + "\\" + map_mode.ToString() + "\\" + zoom + "_" + x + "_" + y + ".bmp");
}
catch
{
}
}