关键词: 方块苗文, 字形, 拓扑结构, 输入法, 编码方案

Abstract: According to the principle of creating characters and the glyph topology features of the square Hmong language characters, this paper puts forward an encoding scheme of glyph input. In this scheme, both the tone of components and the shape of compound characters are considered, a few letters of component pinyin decide tone codes, and the structure type of compound characters determines shape code. The input code sequence is generated in accordance with the order of “first tone last shape”. Then, this paper describes the scheme by using context-free grammar, and gives the method of splitting compound characters and getting code. The test results illustrate that this scheme has the advantages of shorter code length, lower probability of occurring same code. The input method based on this encoding scheme, is simple and fast, is easy to learn and use, and can solve the problem of calling up the desired glyph quickly from fonts.

Key words: square Hmong language characters, glyph, topology structure, input method, encoding scheme