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热词
    • 18. 发明授权
    • Window control device for displaying a plurality of windows on a display
screen
    • 用于在显示屏幕上显示多个窗口的窗口控制装置
    • US6057838A
    • 2000-05-02
    • US20626
    • 1998-02-09
    • Hidenori KuwajimaToshio Matsumoto
    • Hidenori KuwajimaToshio Matsumoto
    • G06F3/14G06F3/048G09G5/00G09G5/14G09G5/36G09G5/377G09G5/393G06F3/00
    • G09G5/14
    • The window control device of this invention for displaying a plurality of window regions superimposed on one another on a display screen includes: mask data production means for producing mask data so that whether or not pixel data for displaying a predetermined window region among the plurality of window regions should be displayed on a predetermined pixel of the display screen is determined before the predetermined window region is displayed, and subsequently whether or not pixel data for displaying the predetermined window region should be displayed on at least one pixel which is consecutive to the predetermined pixel is determined, so that the mask data can indicate whether or not the respective pixel data should be displayed on the predetermined pixel and the at least one pixel; and pixel data renewing means for renewing the pixel data for the predetermined pixel based on the mask data, as well as the pixel data for the at least one pixel which is consecutive to the predetermined pixel based on the mask data.
    • 本发明的窗口控制装置用于在显示屏幕上显示叠加在一起的多个窗口区域,包括:掩模数据产生装置,用于产生掩模数据,使得在多个窗口中是否显示预定窗口区域的像素数据 在显示预定窗口区域之前确定在显示屏幕的预定像素上显示区域,并且随后是否应该在与预定像素连续的至少一个像素上显示用于显示预定窗口区域的像素数据 被确定,使得掩码数据可以指示是否应该在预定像素和至少一个像素上显示相应的像素数据; 以及用于基于掩模数据更新用于预定像素的像素数据的像素数据更新装置,以及基于掩模数据的与预定像素连续的至少一个像素的像素数据。