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Screen description method and device

A technology for depicting devices and screens, applied in cathode ray tube indicators, digital output to display equipment, instruments, etc., can solve the problems of resource waste and time consumption, and meet the requirements of avoiding coordination and matching, avoiding message triggering, and reducing video memory Effect

Active Publication Date: 2016-01-27
NEUSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This switching takes a certain amount of time
In addition, in the case of local changes in the screen, it is still necessary to switch the entire surface, which also causes a certain waste of resources

Method used

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  • Screen description method and device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0042] Image 6 Shows a flow chart of a network data-driven single-surface rendering method according to a first embodiment of the present invention, the method is used to display screen display data on a second display device on a first display device, and the method consists of The first display device executes.

[0043] Such as Image 6 As shown, in step S610, the screen display data sent from the second display device is received through the network. Here, the screen display content data is the data of the screen display content of the changed screen area in the screen display area of ​​the second display device. The network may be a wireless network or a wired network. The wireless network may be WiFi, Bluetooth, 2G communication network, 3G communication network or other wireless communication networks. The wired network may be a telecommunication network or a cable television network.

[0044] After receiving the screen display data, in step S620, after receiving t...

no. 2 example

[0070] Figure 10 A flow chart of the screen rendering method according to the second embodiment of the present invention is shown.

[0071] Such as Figure 10 As shown, first, in step S1010, the screen display content data sent from the second display device is received through the network, the screen display area of ​​the second display device is divided into a plurality of segmented areas, and the screen display The content data is the data of the screen display content of the changed segmented area in the screen display area of ​​the second display device.

[0072] After receiving the screen display content data, in step S1020, use the received screen display content data to overwrite the corresponding segmented area in the copy of the full screen display content data stored in the storage device of the first display device, the full screen display The content data copy is a copy of the full-screen on-screen display content data currently displayed on the screen of the f...

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Abstract

The invention provides a screen drawing method which is used for enabling screen display content data on second display equipment to be displayed on first display equipment. The method comprises the steps as follows: screen display content data sent from the second display equipment are received through network, and the screen display content data are data of screen display contents in changed screen areas of screen display areas of the second display equipment; the received screen display content data are used to cover a corresponding area of full-screen display content data duplicate stored in a storage device of the first display equipment; and the full-screen display content data duplicate obtained after covering processing is drawn on the main surface of the first display equipment for displaying. By adoption of the method, requirements on video memory can be lowered, Flip and other operations are reduced during the drawing process, and meanwhile, the situation that pictures need to be coordinated and matched between the two surfaces can be avoided.

Description

technical field [0001] The present invention relates to screen mirroring technology, and more specifically, to a screen description method and device. Background technique [0002] Screen mirroring technology refers to the technology of transmitting the screen display content of a device (such as a smartphone) to another device (such as a personal computer) for display. figure 1 A schematic diagram showing an application of the screen mirroring technology. Such as figure 1 As shown, the screen display content on the smart phone can be transmitted to the monitor of the personal computer via WiFi for display. [0003] figure 2 A flowchart showing the business process of the screen mirroring technology. Such as figure 2 As shown, in this business process, firstly, the content displayed on the screen is acquired on device A and encapsulated into a data packet. Then, transmit the encapsulated data packet to device B through network transmission (wireless transmission and / ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/14G09G5/00
Inventor 聂山人杨明张翼包蕊
Owner NEUSOFT CORP