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    • 4. 发明授权
    • Data-handling and display system capable of supporting multiple
application programs and output devices
    • 支持多种应用程序和输出设备的数据处理和显示系统
    • US5212770A
    • 1993-05-18
    • US446975
    • 1989-12-06
    • Robert M. SmithDavid M. T. TingJohn PorterGerald Williams
    • Robert M. SmithDavid M. T. TingJohn PorterGerald Williams
    • G06T11/60G06T11/80
    • G06T11/60
    • An interface system that facilitates user interaction with a plurality of document-management programs, each of which may require different data formats, and convenient output of data generated by such programs to recording or display devices. The invention includes a "front end", which accepts user commands and channels them to a designated application program; and a "back end", which converts output data into a form compatible with a selected output device or display, and which can simultaneously drive display of data from a plurality of application programs. The system operates using a common set of raster-image instructions; output and display data from an application program are converted into this common set of instructions before being provided to a selected output or display device. The system can store multiple display lists in segregated memory partitions, and then combine the lists according to a user-defined "mapping" procedure to produce a single, integrated display.
    • 一种接口系统,其便于与多个文档管理程序的用户交互,每个文档管理程序可能需要不同的数据格式,以及将这些程序生成的数据方便地输出到记录或显示设备。 本发明包括一个“前端”,它接受用户的命令并把它们传给指定的应用程序; 和“后端”,其将输出数据转换成与所选择的输出设备或显示兼容的形式,并且可以同时驱动来自多个应用程序的数据的显示。 系统使用一组共同的光栅图像指令进行操作; 来自应用程序的输出和显示数据在被提供给所选择的输出或显示设备之前被转换成该通用指令集。 系统可以将多个显示列表存储在隔离的内存分区中,然后根据用户定义的“映射”过程组合列表,以生成单个集成显示。