/// <summary>
/// 选择改变
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void rdo_CheckedChanged(object sender, EventArgs e)
{
LoadMapMode lm = LoadMapMode.Cache;
if (rdoCache.Checked)
{
lm = LoadMapMode.Cache;
}
if (rdoCachefirst.Checked)
{
lm = LoadMapMode.CacheServer;
}
if (rdoServer.Checked)
{
lm = LoadMapMode.Server;
}
if (lm != _loadMode)
{
_loadMode = lm;
if (LoadMapModeChanged != null)
{
LoadMapModeChanged(_loadMode);
}
Visible = false;
}
}
/// <summary>
/// 选择改变
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void rdo_CheckedChanged(object sender, EventArgs e)
{
LoadMapMode lm = LoadMapMode.Cache;
if (rdoCache.Checked)
{
lm = LoadMapMode.Cache;
}
if (rdoCachefirst.Checked)
{
lm = LoadMapMode.CacheServer;
}
if (rdoServer.Checked)
{
lm = LoadMapMode.Server;
}
if (lm != _loadMode)
{
_loadMode = lm;
if (LoadMapModeChanged != null)
{
LoadMapModeChanged(_loadMode);
}
Visible = false;
}
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
/// <param name="parent"></param>
/// <param name="mode"></param>
/// <param name="loadmode"></param>
public BTile(int x, int y, int z, Control parent, MapMode mode, LoadMapMode loadmode)
{
X = x;
Y = y;
Zoom = z;
BMapControl = parent;
Mode = mode;
LoadMode = loadmode;
}
private static string _sate_url = "http://shangetu{0}.map.bdimg.com/it/"; //卫星图切片URL
/* http://online9.map.bdimg.com/onlinelabel/?qt=tile&x=796&y=287&z=12&styles=pl */
/* http://shangetu9.map.bdimg.com/it/u=x=796;y=287;z=13;v=009;type=sate&fm=46 */
/// <summary>
/// 下载地图瓦片
/// </summary>
/// <param name="x">瓦片方块横坐标</param>
/// <param name="y">瓦片方块纵坐标</param>
/// <param name="zoom">当前地图缩放级别（1-18）</param>
/// <param name="map_mode">地图模式</param>
/// <param name="load_mode">加载瓦片方式</param>
/// <returns></returns>
public Bitmap LoadMapTile(int x, int y, int zoom, MapMode map_mode, LoadMapMode load_mode)
{
if (load_mode == LoadMapMode.Server) //直接从服务器下载图片
{
return TileFromServer(zoom, x, y, map_mode);
}
else if (load_mode == LoadMapMode.Cache) //从本地缓存中下载图片
{
return TileFromCache(zoom, x, y, map_mode);
}
else if (load_mode == LoadMapMode.CacheServer) //先从本地缓存中找，如果没有则从服务器上下载
{
Bitmap bitmap = TileFromCache(zoom, x, y, map_mode);
if (bitmap == null)
{
bitmap = TileFromServer(zoom, x, y, map_mode);
}
return bitmap;
}
else
{
return null;
}
}
private static string _sate_url = "http://shangetu{0}.map.bdimg.com/it/"; //卫星图切片URL
/* http://online9.map.bdimg.com/onlinelabel/?qt=tile&x=796&y=287&z=12&styles=pl */
/* http://shangetu9.map.bdimg.com/it/u=x=796;y=287;z=13;v=009;type=sate&fm=46 */
/// <summary>
/// 下载地图瓦片
/// </summary>
/// <param name="x">瓦片方块横坐标</param>
/// <param name="y">瓦片方块纵坐标</param>
/// <param name="zoom">当前地图缩放级别（1-18）</param>
/// <param name="map_mode">地图模式</param>
/// <param name="load_mode">加载瓦片方式</param>
/// <returns></returns>
public Bitmap LoadMapTile(int x, int y, int zoom, MapMode map_mode, LoadMapMode load_mode)
{
if (load_mode == LoadMapMode.Server) //直接从服务器下载图片
{
return(TileFromServer(zoom, x, y, map_mode));
}
else if (load_mode == LoadMapMode.Cache) //从本地缓存中下载图片
{
return(TileFromCache(zoom, x, y, map_mode));
}
else if (load_mode == LoadMapMode.CacheServer) //先从本地缓存中找，如果没有则从服务器上下载
{
Bitmap bitmap = TileFromCache(zoom, x, y, map_mode);
if (bitmap == null)
{
bitmap = TileFromServer(zoom, x, y, map_mode);
}
return(bitmap);
}
else
{
return(null);
}
}
/// <summary>
/// 获取地图加载模式文本
/// </summary>
/// <param name="load_mode"></param>
/// <returns></returns>
public static string GetLoadMapModeTitle(LoadMapMode load_mode)
{
if (load_mode == LoadMapMode.Cache)
{
return "仅从本地";
}
if (load_mode == LoadMapMode.CacheServer)
{
return "本地优先";
}
if (load_mode == LoadMapMode.Server)
{
return "仅从远程";
}
return "";
}
/// <summary>
/// 加载地图模式改变
/// </summary>
/// <param name="loadMode"></param>
void _bLoadMapModeControl_LoadMapModeChanged(LoadMapMode loadMode)
{
LoadMode = loadMode;
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
/// <param name="parent"></param>
/// <param name="mode"></param>
/// <param name="loadmode"></param>
public BTile(int x, int y, int z, Control parent, MapMode mode,LoadMapMode loadmode)
{
X = x;
Y = y;
Zoom = z;
BMapControl = parent;
Mode = mode;
LoadMode = loadmode;
}
