\hypertarget{interface_b_m_k_async_tile_layer}{}\doxysection{B\+M\+K\+Async\+Tile\+Layer类 参考}
\label{interface_b_m_k_async_tile_layer}\index{BMKAsyncTileLayer@{BMKAsyncTileLayer}}


通过异步方法获取瓦片数据，是一个抽象类，需要通过继承该类，并重载 load\+Tile\+For\+X\+:y\+:zoom\+:result\+: 方法 瓦片图片是jpeg或者png格式，size为256x256  




{\ttfamily \#import $<$B\+M\+K\+Tile\+Layer.\+h$>$}

类 B\+M\+K\+Async\+Tile\+Layer 继承关系图\+:\begin{figure}[H]
\begin{center}
\leavevmode
\includegraphics[height=5.000000cm]{interface_b_m_k_async_tile_layer}
\end{center}
\end{figure}
\doxysubsection*{构造函数}
\begin{DoxyCompactItemize}
\item 
(void) -\/ \mbox{\hyperlink{interface_b_m_k_async_tile_layer_a2daa93376f09a05965dab74e469ca6d9}{load\+Tile\+For\+X\+:y\+:zoom\+:result\+:}}
\begin{DoxyCompactList}\small\item\em 通过异步方法获取瓦片数据，子类必须实现该方法 \end{DoxyCompactList}\end{DoxyCompactItemize}
\doxysubsection*{额外继承的成员函数}


\doxysubsection{详细描述}
通过异步方法获取瓦片数据，是一个抽象类，需要通过继承该类，并重载 load\+Tile\+For\+X\+:y\+:zoom\+:result\+: 方法 瓦片图片是jpeg或者png格式，size为256x256 

\doxysubsection{函数文档}
\mbox{\Hypertarget{interface_b_m_k_async_tile_layer_a2daa93376f09a05965dab74e469ca6d9}\label{interface_b_m_k_async_tile_layer_a2daa93376f09a05965dab74e469ca6d9}} 
\index{BMKAsyncTileLayer@{BMKAsyncTileLayer}!loadTileForX:y:zoom:result:@{loadTileForX:y:zoom:result:}}
\index{loadTileForX:y:zoom:result:@{loadTileForX:y:zoom:result:}!BMKAsyncTileLayer@{BMKAsyncTileLayer}}
\doxysubsubsection{\texorpdfstring{loadTileForX:y:zoom:result:}{loadTileForX:y:zoom:result:}}
{\footnotesize\ttfamily -\/ (void) load\+Tile\+For\+X\+: \begin{DoxyParamCaption}\item[{(N\+S\+Integer)}]{x }\item[{y\+:(N\+S\+Integer)}]{y }\item[{zoom\+:(N\+S\+Integer)}]{zoom }\item[{result\+:(void($^\wedge$)(U\+I\+Image $\ast$tile\+Image, N\+S\+Error $\ast$error))}]{result }\end{DoxyParamCaption}}



通过异步方法获取瓦片数据，子类必须实现该方法 


\begin{DoxyParams}{参数}
{\em x} & 瓦片坐标 \\
\hline
{\em y} & 瓦片坐标 \\
\hline
{\em zoom} & 瓦片坐标 \\
\hline
{\em result} & 用来传入瓦片数据或加载瓦片失败的error访问的回调block \\
\hline
\end{DoxyParams}


该类的文档由以下文件生成\+:\begin{DoxyCompactItemize}
\item 
Baidu\+Map\+A\+P\+I\+\_\+\+Map.\+framework/\+Headers/\mbox{\hyperlink{_b_m_k_tile_layer_8h}{B\+M\+K\+Tile\+Layer.\+h}}\end{DoxyCompactItemize}
