DTP(电子桌面出版系统)技术相对于传统的印前技术(照相制版、电子分色等)而言是一场革命。理由是,DTP尤其是彩色DTP的出现,有可能使得印前工艺彻底从印刷工艺中分离出来。彩色DTP为出版、广告及包装设计业提供了一个文字编辑、图文处理及画稿设计的有力工具,它提供了这样一种可能 DTP (electronic desktop publishing system) technology is a revolution in comparison with the traditional prepress technology (photoengraving, electronic color separation, etc.). The reason is that the emergence of DTP, especially color DTP, may make the prepress process completely separated from the printing process. Coloured DTP provides a powerful tool for text editing, graphic processing and drawing design for the publishing, advertising and packaging design industry. It provides such a possibility.