摘要
本文详细介绍了SIEMENS 7570—C中型机CAD工作站汉字标注功能的开发。通过研究IBM系列微型机CCDOS操作系统的字库,充分利用7570—C中型机现有配置和功能,重新设计汉字库结构,建立了适用于7570—C中型机CAD工作站的ISAM文件型汉字点阵库,进而在CAD工作站上成功地开发出24×24点阵,具有4种字体(即楷体、宋体、仿宋体、黑体),256种颜色,并能在汉字平面内以任意角度旋转的标注功能。经多次实验证明该方案是成功的。这对国内18所高等院校引进的西门子7570—C中型机CAD工作站,以及国内现有的各种CAD工作站,在汉字标注功能的开发方面均有一定的推广应用价值。
The development of the chinese-character mark function on the CAD workstation of the SIEMENS 7570-C computer system is introduced in detail with analyzing in this paper, the chinese-character base of CCDOS operating system of IBM personal computer and making full use of the function of all installions of SIEMENS 7570-C computer system, the authors re-design the structure of chinese-character base, build up the new base which is named an ISAM file, and suecessflly develope a 24×24 dot matrix chinese-character base. The chin- ese-character mark function can display chinese-character with 4 kinds of chin- ese-character styles (regular script, song typeface, imitation of song typeface and boldface) as well as 256 kinds of colors,and can make the chinese-charact turn at any angle on display plane. The test demonstrates that design of the new chinese-character base is sueceessful. It has a great application value for SIEMENS and other kinds of CAD workstation.
关键词
CAD
汉字标注
矢量汉字
点阵汉字
chinese-character mark
vector chinese-character
dot matrix chinese-character
