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A screen refreshing system and method

A screen and window technology, applied in the field of screen refresh system, can solve the problems of redundant drawing process, wasting time, occupying drawing resources, etc.

Active Publication Date: 2017-02-15
SHENZHEN IPANEL TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present application provides a screen refresh system, method and device to solve the problem of redundant drawing process in the prior art, wasting time and occupying drawing resources

Method used

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  • A screen refreshing system and method
  • A screen refreshing system and method

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Embodiment Construction

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0056] Before introducing the scheme, the process of region merging is firstly introduced.

[0057] Merging multiple regions can also be regarded as a union set of multiple regions, and the merged region obtained after merging multiple regions is the smallest region surrounding multiple regions.

[0058] Since, for a video terminal, the window area is generally rectangular, the combined area of ​​multiple rectangular areas is the smallest rectangular area surrounding the multiple re...

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Abstract

The invention provides a screen refreshing system and method. According to the invention, a plurality of windows are divided into multiple groups in advance according to window area neighbor relationships, wherein window applications corresponding to the windows in each group form a window application group, and multiple window application groups form a sequence and are numbered sequentially; a window management system only determines one target window application group from the multiple window application groups in each time cycle, and sends time slices to target window applications in the target window application group; only after receiving the time slices and detecting the need for screen refreshing in the length range of the time slices can the window applications perform interaction with the window management system and realize screen refreshing; namely, in one time cycle, the window applications of only one window application group can realize screen refreshing at most, and window areas corresponding to the window applications in the same window application group are relatively close to one another, so that even area merging will cause no excessive unnecessary drawing.

Description

technical field [0001] The present application relates to the technical field of screen refresh, and more specifically, to a screen refresh system and method. Background technique [0002] The screen of the terminal corresponds to a frame buffer in the system. The frame buffer is a pre-allocated buffer memory, and the pixel content to be displayed is stored in the memory. The bottom layer generally provides an interface to display the contents of the frame buffer on the terminal screen. [0003] Multiple windows can exist on the terminal screen at the same time, and operations such as refreshing, drawing, and screen uploading of multiple windows are uniformly managed by the window management system. The window management system provides a unified refresh interface externally, and any window can notify the window management system to refresh the specified area (generally the area occupied by the window) through this refresh interface. For window management systems, regions ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14G06F9/44
CPCG06F3/1407G06F9/451
Inventor 徐佳宏朱吕亮
Owner SHENZHEN IPANEL TECH LTD
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