摘要：
[目的]为了提高电子地图的开发效率,减轻开发人员负担,本文研究不针对特定操作系统、基于MiniGUI的嵌入式电子地图引擎,并处理TAB格式的地图数据.[方法]首先设计一个基于MiniGUI的自定义控件,利用与操作系统无关的接口设计相应的类,实现地图源数据读取、绘制、漫游、缩放和测距等功能.[结果]使用该引擎开发电子地图应用程序,利用该程序对引擎进行功能性验证.结果表明,该引擎各项功能均能正确执行.[结论]该电子地图引擎功能正常,使用方便,操作简单,具有一定的可移植性.%[Objective] In order to improve the efficiency of the development of electronic map,and reduce the burden of developer's,the thesis developed an electronic map engine which could deal with the data of TAB format,based on MiniGUI,and the engine was not for a specific operating system.[Methods] Firstly,the thesis designed a controller on MiniGUI.Then,used interface which was independent of operate system to design the corresponding class.The engine provided functions of reading map data,drawing map,roaming,zooming,measuring distance and others.[Results] The thesis developed an electronic map application based on the engine,which could be used to test and verify the engine.The result showed that the functions provided by the engine were normal,and could meet the expectation.[Conclusion] The electronic map engine works normally,easy operating and has good portability.
