WO2018041087A1 - Procédé et dispositif de capture d'écran - Google Patents

Procédé et dispositif de capture d'écran Download PDF

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Publication number
WO2018041087A1
WO2018041087A1 PCT/CN2017/099416 CN2017099416W WO2018041087A1 WO 2018041087 A1 WO2018041087 A1 WO 2018041087A1 CN 2017099416 W CN2017099416 W CN 2017099416W WO 2018041087 A1 WO2018041087 A1 WO 2018041087A1
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WO
WIPO (PCT)
Prior art keywords
screen
interface
desktop
screenshot
browser
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Application number
PCT/CN2017/099416
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English (en)
Chinese (zh)
Inventor
王蔚
Original Assignee
中兴通讯股份有限公司
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018041087A1 publication Critical patent/WO2018041087A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/957—Browsing optimisation, e.g. caching or content distillation

Definitions

  • the web application running on the browser cannot take a screenshot of the desktop of the non-browser screen.
  • the local application can perform screenshots after the local application is minimized by using the service process resident in the system, the desktop taskbar icon, the desktop floating window, etc., and the relevant operations in the local application are quickly performed without switching back to the local application. .
  • the web application cannot implement the above-mentioned corresponding functions. When the browser is minimized, the screenshot cannot be made. Therefore, there is a need for a screenshot technique that takes a screenshot of the screen through the web application after the browser is minimized.
  • the embodiment of the present invention provides a method for taking a screenshot for a problem of taking a screenshot of a screen by a webpage application after the browser is minimized.
  • the desktop screen parameter is acquired by the webpage application, and a notification message window is generated according to the desktop screen parameter;
  • the method further includes:
  • the method further includes:
  • the second interface is an interface provided by the browser for acquiring a desktop screen.
  • the webpage application running on the browser receives the screen capture operation of the user through the first interface displayed on the desktop screen, and can initiate the passage of the screen when receiving the screen capture operation of the user.
  • the second interface obtains the screen capture operation of the desktop screenshot, and obtains the current desktop screenshot through the second interface, which can solve the problem that the browser cannot be screened through the web application after the browser is minimized, so that the user does not need to install a special client application directly, and uses the web application.
  • the content of the desktop screen is screenshotd, which greatly improves the convenience of the system.
  • FIG. 1 is a schematic flowchart of a method for displaying a screenshot according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural diagram of a system for implementing a screen capture method according to Embodiment 3 of the present invention
  • a web application is an application that uses a web browser to operate on the Internet or an intranet. It is also an application written in a web language such as HTML, JavaScript, Java, etc., and can be executed by a browser.
  • the browser accesses the webpage application provided by the webpage application server of the webpage application to access the webpage application, loads the content corresponding to the webpage application, and runs the loaded webpage application on the interface on the browser.
  • the webpage application may include various types of webpage applications such as a photo editing webpage application, a video conferencing webpage application, a remote collaboration webpage application, an online education webpage application, and the like.
  • the desktop screen parameter is acquired by the webpage application, and a notification message window is generated according to the desktop screen parameter;
  • Displaying the first interface in the desktop screen includes: displaying the first interface in the desktop screen in the manner of the notification message window.
  • the order of minimizing the browser and the order of obtaining the parameters of the desktop screen are not limited, and the desktop screen parameters may be acquired by the webpage application before the browser is minimized.
  • the desktop screen parameter is acquired while the web application is being loaded, and a notification message window is generated when the web application is run on the browser.
  • the display may or may not be displayed, and when the browser is minimized, when the first interface is invoked by the web application, the notification is cancelled.
  • the display of the info window displays the first interface on the desktop screen.
  • the desktop screen parameters may also be obtained through the web application after the browser is minimized, and a notification message window is generated according to the acquired desktop screen parameters.
  • S103 Receive a screen capture operation by using the first interface, and generate a screenshot request, and initiate an operation of acquiring a current desktop screenshot according to the screenshot request; wherein the current desktop screenshot operation is performed by using the second interface that can obtain the screenshot.
  • the obtained desktop screenshot may be sent to the web application server to be saved in the web application server, so that the device accessing the web application server is accessed. You can get the current desktop screenshot.
  • the method of the screen shot provided by the embodiment of the present invention further includes: generating a screen sharing request when the webpage application receives the screen sharing operation; and sharing the webpage application with the screen sharing request according to the screen sharing request according to the screen sharing request Establishing a shared connection; acquiring a desktop screen video stream by using the second interface; sending the desktop screen video stream to the webpage application, and sending, by the webpage application, the desktop screen video stream to the shared connection.
  • the webpage application of the terminal B displays the document
  • the display of the webpage application of the terminal B The content is synchronized with the content displayed on the desktop screen of the terminal A, and simultaneously displays the operation of the user A on the desktop screen.
  • the terminal B as the receiving shared screen can also call the first interface to display the first interface when the browser is minimized.
  • the form of the message window may also be notified for receiving the screen capture operation of the user through the displayed first interface, and when the screen capture operation is received, the current desktop screenshot is acquired by the second interface provided by the browser.
  • the terminal A obtains the current desktop screenshot
  • the current desktop screenshot obtained is sent to the web application of the terminal A itself, and is sent to the terminal through the shared connection between the web application of the terminal A and the web application of the terminal B.
  • B's browser is displayed on the web application on terminal B.
  • the first interface of the browser running by the webpage application when the first interface of the browser running by the webpage application is minimized by the browser, the first interface of the browser is displayed on the desktop screen, and the screen capture operation of the user is received through the first interface.
  • the current desktop screenshot is obtained through the second interface of the browser, thereby implementing a screenshot of the non-browser interface in the case where the browser of the web application is minimized.
  • a method for displaying a screenshot provided by an embodiment of the present invention is described by using a webpage application loaded by a terminal as a photo editing webpage application as a specific application scenario, for example:
  • the user accesses the photo editing function provided in the photo editing webpage application by using the browser to access the uniform resource locator URL address provided by the photo editing webpage application server.
  • the browser has the ability to capture desktop screens.
  • the user accesses the photo editing web application in the browser, and when the browser is minimized, only one browser icon is displayed in the task bar.
  • the terminal provides a desktop screen that allows the user to manipulate other applications on the desktop than the browser on the desktop.
  • the first interface is displayed on the desktop screen in the form of a notification message window, and a desktop notification message is displayed on the window to indicate that the user's screen capture operation can be received through the notification message window.
  • clicking the photo editing webpage application to display the desktop notification message of the photo editing webpage application displayed on the screen triggers the screen capture operation.
  • the notification message window of the edit picture webpage application is located in the task bar in the lower right corner of the desktop.
  • the web application server is configured to provide a web application service that includes screen sharing and screenshot capabilities.
  • the desktop is the main screen area that you see when you open the terminal and log in to the operating system.
  • a browser is an application that can display the hypertext markup language HTML content of a web server or file system and allow users to interact with these files.
  • the user uses the browser to access the screen sharing and screenshot functions provided in the web application by accessing the uniform resource locator URL address provided by the web application server.
  • the browser has the ability to get a desktop screen of a computer.
  • the desktop screen after screen sharing in the web application in the embodiment of the present invention is as shown in FIG. 3:
  • the user accesses the web application in the browser and triggers the screen sharing operation
  • the browser is minimized on the desktop
  • only one browser icon is displayed in the task bar.
  • the user can self-operate other applications on the desktop according to the shared screen content, and send the operation process to other people who are visiting the web application.
  • other applications outside the browser can be displayed on the desktop at the same time.
  • the application triggers the screen capture operation, and the webpage application desktop notification message popped up before the screen sharing operation is clicked to trigger the screen capture operation.
  • the desktop notification message is content displayed by the notification message window displayed on the desktop screen, wherein the first interface is displayed in the form of a desktop notification message.
  • the webpage application desktop notification message is located in the task bar in the lower right corner of the desktop. Therefore, when the screen is screened, the user intercepts the current desktop operation, and the user does not return to the webpage application through the browser.
  • the intercepted screen is the web application operation in the browser.
  • the desktop message window is displayed in the form of an icon in the task bar based on the desktop screen parameter.
  • the notification message window is described as an example. In the actual application, the limitation is not limited, and the desktop screen parameter may be according to the user's needs. Set the location of the notification message window.
  • the method for performing a screenshot in a web application includes:
  • the terminal receives a screen sharing request.
  • the user accesses the web application through the browser and initiates a screen sharing request in the web application.
  • the terminal performs screen sharing.
  • the webpage application invokes the interface of the browser to obtain the desktop screen, acquires the current desktop screen, and invokes the first interface that receives the user operation, displays the first window, and pops up a desktop notification window that can trigger the screenshot.
  • the browser is minimized and the displayed interface is switched from the browser's interface to the desktop screen.
  • the terminal receives a screen capture operation.
  • the user can perform other application operations on the desktop.
  • the desktop notification window popped up by the previous web application is clicked to perform a screen capture operation, and the terminal receives the screen capture operation through the desktop notification window, and generates a screenshot according to the screen capture operation. Request and send a screenshot request to the web app.
  • the terminal acquires a screenshot of the current desktop.
  • the web application When the web application receives the screenshot request, it takes a screenshot of the content that the user is currently sharing on the desktop screen.
  • the second interface of the desktop screen provided by the browser can be used to take a screenshot to obtain the current desktop screenshot.
  • the screenshot is taken as a specific process in the process of sharing the video conference screen.
  • the application scenario describes a screenshot method provided by the embodiment of the invention.
  • the user accesses the video conference web application server and the media server through the browser, and uses the video conference web application.
  • the video conference web application server provides a video conference webpage application service, and the user accesses through the browser and presents the video conference webpage application in the browser.
  • the media server is configured to receive and send audio and video media streams of the video conference, and perform corresponding media processing, including synthesis, media format conversion, and the like.
  • Step 1 User A and User B access the video conference web application server through the browser, and join the same video conference in the video conference web application to perform video conference.
  • step 2 user A initiates a screen sharing request in the video conference web application.
  • Step 3 The video conference webpage application invokes an interface for obtaining a desktop screen provided by the browser, acquires a desktop screen of the user A, and sends the video stream operated on the desktop screen of the user A to the media server.
  • User B accesses the media server through the browser and plays the desktop screen video stream shared by user A.
  • the video conference web application invokes the desktop notification message interface and pops up the desktop notification message while calling the interface provided by the browser to obtain the desktop screen.
  • the content of the desktop notification message includes an action that can trigger a screenshot.
  • Step 4 During the process of desktop sharing, user A clicks on the screenshot operation in the desktop notification message to send a screenshot request.
  • Step 5 After receiving the screenshot request, the video conference webpage application takes a screenshot of the desktop video stream shared by the current user A, and uploads it to the video conference webpage application server for display in the video conference webpage application.
  • the video conference web application can use the screenshot as the background of the electronic whiteboard, and the participant user A and user B can operate the screenshot in the electronic whiteboard.
  • the implementation of the Chrome extension for screen sharing and screenshots in the Chrome browser is as follows:
  • the listener is added by an external message event (for example, the onMessageExternal event).
  • an external message event for example, the onMessageExternal event.
  • the request message for the event is received to obtain a video stream (for example, getStream)
  • the screen capture method provided by the Chrome browser is called to obtain The video stream of the user's current screen
  • the user's current screen video stream number streamId is sent to the webpage code requesting the extension by sending a response method (eg, sendResponse), and further processing is performed to send the video stream to the media server.
  • a response method eg, sendResponse
  • a desktop notification message object for example, window.Notification
  • a screen sharing desktop notification message is popped up
  • a notification webpage application is performed to perform a screenshot in the event of a mouse click onclick of the desktop notification message. That is, when the user clicks on the desktop notification message, a request for sending a screenshot is sent to the web application by submitting the message postMessage method.
  • Browser A User A accesses the Remote Assistance web application server through browser A, using a remote collaborative web application.
  • Browser B user B accesses the remote assistance web application server through browser B, and uses the remote collaborative web application.
  • Browser A and browser B can directly transmit and receive audio and video media streams.
  • the remote assistance web application server provides a remote assistance web application service, which is accessed by the user through a browser and presented as a remote assistance web application in the browser.
  • Step 1 User A and User B access the remote assistance web application server through browser A and browser B, respectively, and perform video communication in the remote assistance web application.
  • Step 2 User A initiates screen sharing in the remote assistance web application opened by browser A. begging.
  • Step 3 The remote assistance webpage application invokes an interface provided by the browser to obtain a desktop screen, acquires the desktop screen of the user A, and sends the video stream operated on the desktop screen of the user A to the browser B of the user B, in the browser B.
  • the open remote assistance web application plays the received desktop screen video stream shared by user A.
  • the remote assistance web application invokes the desktop notification message interface and pops up the desktop notification message while calling the interface provided by the browser to obtain the desktop screen.
  • the content of the desktop notification message includes an action that can trigger a screenshot.
  • Step 4 During the process of desktop sharing, user A clicks on the screenshot operation in the desktop notification message to send a screenshot request.
  • Step 5 After receiving the screenshot request, the remote assistance webpage application takes a screenshot of the desktop video stream shared by the current user A, and displays it in the remote collaborative webpage application of browser A.
  • the remote assistance web application can send the screenshot to the browser B or upload to the remote assistance web application server for display, storage, electronic whiteboard sharing and the like.
  • a screenshot method provided by an embodiment of the present invention is described by taking a screenshot in the process of online education screen sharing for a specific application scenario.
  • the teacher accesses the online education web application server and media server through the browser, and uses the online education web application to perform screen sharing, screenshots and the like.
  • the online education web application server provides an online education web application service, and the teacher and the student respectively access through the browser and present as an online education web application in the browser.
  • a media server configured to receive and send audio and video media streams of the course, and may be corresponding Media processing, including compositing, media format conversion, etc.
  • Step 1 The teacher and the student respectively access the online education web application server through the browser, and join the same course live broadcast in the online education web application.
  • step 2 the teacher initiates a screen sharing request in the online education web application.
  • Step 3 The online education webpage application invokes an interface provided by the browser to obtain a desktop screen, acquires a teacher's desktop screen, and sends the video stream operated on the teacher's desktop screen to the media server. Students access the media server through a browser and play the desktop screen video stream shared by the teacher.
  • the online education webpage application invokes the desktop notification message interface and pops up the desktop notification message while calling the interface provided by the browser to obtain the desktop screen.
  • the content of the desktop notification message includes actions that trigger a screenshot.
  • Step 4 During the process of desktop sharing, the teacher clicks on the screenshot operation in the desktop notification message to send a screenshot request.
  • Step 5 After receiving the screenshot request, the online education webpage application takes a screenshot of the desktop video stream shared by the current teacher, and uploads it to the online education webpage application server for display in the online education webpage application.
  • the online education web application can use the screenshot as the background of the electronic whiteboard, and the participant teacher can circle and mark the screenshot in the electronic whiteboard.
  • This program enables teachers to directly use the web application to conduct live courses without the need to install a dedicated client application. This allows the teacher to broadcast the course at any time, any place, any browser device that supports web real-time communication, greatly improving the system. Easy to use.
  • the method for the screenshot provided by the embodiment of the invention can access the related webpage application in the browser of the terminal such as the mobile phone, the tablet computer, the set top box device, etc. to perform the screen capture operation in the process of screen sharing.
  • the embodiment of the present invention provides a device for taking a screenshot, The device is applied to a terminal. As shown in FIG. 8, the device includes an access unit 801, a display unit 802, and a screen capture unit 803.
  • the access unit 801 is configured to access the webpage application according to the uniform resource locator URL address after the browser is opened in the desktop screen, and load the webpage application in the browser, where the webpage application runs in the interface of the browser.
  • the display unit 802 is configured to minimize an interface of the browser, switch to the desktop screen by an interface of the browser, and invoke the first interface that can receive a screen capture operation by the webpage application, and the first The interface is displayed on the desktop screen.
  • the screen capture unit 803 is configured to receive a screen capture operation by the first interface and generate a screenshot request, and initiate an operation of acquiring a current desktop screenshot according to the screenshot request; wherein the current desktop screenshot is performed through the second interface that can obtain the screenshot operating.
  • the display unit 802 is further configured to acquire the desktop screen parameter by using the webpage application, and generate a notification message window according to the desktop screen parameter.
  • displaying the first interface in the desktop screen comprises: displaying the first interface in the desktop screen in the manner of the notification message window.
  • the device further includes: a sending unit 804, configured to send the acquired current desktop screenshot to the webpage application, and perform related processing on the current desktop screenshot in the webpage application, such as displaying , sent to the server, and so on.
  • a sending unit 804 configured to send the acquired current desktop screenshot to the webpage application, and perform related processing on the current desktop screenshot in the webpage application, such as displaying , sent to the server, and so on.
  • the device further includes: a sharing unit 805, configured to: generate a screen sharing request when the webpage application receives the screen sharing operation; and use the webpage application and the screen according to the screen sharing request
  • the shared terminal corresponding to the sharing request establishes a shared connection; the desktop screen video stream is obtained through the second interface; the desktop screen video stream is sent to the webpage application, and the desktop screen video stream is sent to the webpage application by the webpage application The shared connection.
  • the operation of the current desktop screenshot by the screen capture unit 803 by acquiring the second interface of the screenshot includes: intercepting the desktop screen video stream acquired through the second interface to obtain a screenshot image, and using the screenshot image as a current desktop screenshot. .
  • the second interface is an interface provided by the browser for acquiring a desktop screen.
  • the embodiment of the invention further provides a computer readable storage medium, which stores a computer executable finger
  • the method described above is implemented when the computer executable instructions are executed by a processor.
  • computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules or other data. Sex, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridge, magnetic tape, magnetic disk storage or other magnetic storage device, or may Any other medium used to store the desired information and that can be accessed by the computer.
  • communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media. .
  • Embodiments of the present invention provide a method and apparatus for a screenshot.
  • the method includes: after opening a browser in a desktop screen, accessing a webpage application according to a uniform resource locator URL address, loading the webpage application in a browser, where the webpage application runs in an interface of the browser; The interface of the browser is minimized, and the screen of the browser is switched back to the desktop screen, and the first interface that can receive the screen capture operation is invoked by the webpage application, and the first interface is displayed on the desktop.
  • the second interface of the figure performs the operation of the current desktop screenshot.
  • the webpage application running on the browser receives the screen capture operation of the user through the first interface displayed on the desktop screen, and can initiate the passage of the screen when receiving the screen capture operation of the user.
  • the second interface obtains the screen capture operation of the desktop screenshot, and obtains the current desktop screenshot through the second interface, which can solve the problem that the browser cannot be screened through the web application after the browser is minimized, so that the user does not need to install a special client application directly, and uses the web application.
  • the content of the desktop screen is screenshotd, which greatly improves the convenience of the system. Therefore, the present invention has strong industrial applicability.

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Abstract

L'invention concerne un procédé et un dispositif de capture d'ecran Le procédé comprend les étapes suivantes : après l'ouverture d'un navigateur sur un écran de bureau, la visite d'une application de page web sur la base d'un localisateur uniforme de ressources (URL), et charger l'application de page web dans le navigateur, l'application de page web s'exécutant dans une interface du navigateur (101); minimiser l'interface du navigateur, basculer de l'interface du navigateur à l'écran de bureau, appeler, par l'intermédiaire de l'application de page web, une première interface capable de recevoir une opération de capture d'écran, et afficher la première interface sur l'écran de bureau (102); recevoir, par l'intermédiaire de la première interface, l'opération de capture d'écran, générer une requête pour une capture d'écran, invoquer, sur la base de la requête pour la capture d'écran, une opération d'acquisition d'une capture d'écran de bureau courante, et l'exécution, par l'intermédiaire d'une seconde interface capable d'acquérir une capture d'écran, de l'opération d'acquisition de la capture d'écran de bureau courante (103).
PCT/CN2017/099416 2016-08-29 2017-08-29 Procédé et dispositif de capture d'écran WO2018041087A1 (fr)

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CN113596517A (zh) * 2021-07-13 2021-11-02 北京远舢智能科技有限公司 一种基于混合现实的图像冻结标注方法及系统
CN113596517B (zh) * 2021-07-13 2022-08-09 北京远舢智能科技有限公司 一种基于混合现实的图像冻结标注方法及系统
CN114157753A (zh) * 2021-08-31 2022-03-08 维沃移动通信（杭州）有限公司 消息分享方法、装置和电子设备

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