公开(公告)号：US5757380A

公开(公告)日：1998-05-26

申请号：US588671

申请日：1996-01-17

申请人： Didier Bardon ,  Richard Edmond Berry ,  Scott Harlan Isensee ,  Shirley Lynn Martin ,  John Martin Mullaly

发明人： Didier Bardon ,  Richard Edmond Berry ,  Scott Harlan Isensee ,  Shirley Lynn Martin ,  John Martin Mullaly

IPC分类号： G06F3/048 ,  G06F3/033 ,  G06F3/14 ,  G06T11/80 ,  G09G5/00 ,  G09G5/36 ,  G06F15/00

CPC分类号： G06F3/04845

摘要： The invention is an information handling system, which includes one or more processing units, a memory system, and one or more I/O controllers all connected to a system bus, the I/O controllers controlling various input/output devices such as a keyboard, a mouse, a display device, communications adapters and the like, and an operating system program for controlling the processors, the memory system, and the I/O controllers, which provides a user interface, one or more tools which may be represented by objects on a tool bar or the like presented on the display device by the user interface, and an eraser/undo tool for erasing a portion of an existing image presented on the display device by the user interface by direct application of the object representing an eraser tool to the portion of the image to be erased, such that marks previously obscured reappear in the areas to which the eraser tool has been applied.

摘要翻译： 本发明是一种信息处理系统，其包括一个或多个处理单元，存储器系统和全部连接到系统总线的一个或多个I / O控制器，I / O控制器控制各种输入/输出设备，例如键盘 ，鼠标，显示设备，通信适配器等，以及用于控制提供用户界面的处理器，存储器系统和I / O控制器的操作系统程序，一个或多个工具，其可以由 通过用户界面在显示装置上呈现在工具栏等上的对象，以及用于通过用户界面直接应用表示橡皮擦的对象来擦除呈现在显示设备上的现有图像的一部分的橡皮擦/撤消工具 工具到要擦除的图像的部分，使得先前被遮蔽的标记重新出现在已经应用了橡皮擦工具的区域中。