Vxworks经典论文 基于VxWorks操作系统的WindML 2D 显示方案 【关键词： 2D显示，Vxworks，WindML，操作系统，文本渲染，图形上下文，字体引擎-Vxworks classic paper-based VxWorks operating system WindML 2D display program [Key words: 2D display, Vxworks, WindML, operating system, text rendering, grap