CN103747027A - Whiteboard information synchronous display method and system - Google Patents
Whiteboard information synchronous display method and system Download PDFInfo
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Abstract
The invention provides a whiteboard information synchronous display method used in a whiteboard online teaching system. The teaching system comprises a local client and a plurality of remote clients connected and communicated with the local client. The display method comprises a step of filtering whiteboard information, a step of detecting a local client according to filtered information and carrying out a copy or drag event on a whiteboard, a step of intercepting an information object in the copy or drag event, and a step of synchronously displaying intercepted information object on whiteboards of the local client and the remote clients according to the type of the information object. In addition, a whiteboard information synchronous display system is also provided. With the technologies provided by the invention, a user can add and display contents of various types in the white board by directly simple modes such as copying and dragging, the operation mode is simple and high-efficiency, the operation complexity is low, and the user utilization rate is improved.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of blank information synchronous display method and system.
Background technology
On teaching platform, the blank of blank on-line teaching system is the terminal interface for showing courseware content, in the process of use blank, often need to add fresh content, the switching that realizes newly-increased courseware content shows, existing display packing, generally, for different interpolation contents, corresponding interpolation operation is set, therefore in use often need switching/button click, for example, special " interpolation document " or the button of " opening document " are set, position → the interpolation of button click → selection input area, add document/picture/word etc., then show, technique scheme, to all needing to carry out a series of interpolation content operation in the switching of different content, cause user's operational means complexity, operating efficiency is low.
Summary of the invention
Based on this, be necessary for operational means complexity, problem that operating efficiency is low, provide a kind of mode of operation simple efficient, blank information synchronous display method and system that user's service efficiency is high.
A kind of blank information synchronous display method, for blank on-line teaching system, this tutoring system comprises local client and is attached thereto some Terminal Server Clients of communication; Described display packing comprises the steps:
Blank is carried out to message screening;
What according to the message detection of described filtration, go out that local client carries out blank copies or pulls event;
Described in intercepting, copy or pull the information object in event;
According to the type of information object, intercepted information object is carried out on the blank of local client and Terminal Server Client to simultaneous display.
A kind of blank information synchronous display system, for blank on-line teaching system, this tutoring system comprises local client and is attached thereto some Terminal Server Clients of communication; Described display system comprises:
Message screening module, for carrying out message screening to blank;
Event checking module, copies or pulls event for what go out according to the message detection of described filtration that local client carries out blank;
Information interception module, for copying or pull the information object of event described in intercepting;
Information display module for according to the type of information object, is carried out intercepted information object simultaneous display on the blank of local client and Terminal Server Client.
Above-mentioned blank information synchronous display method and system, by being set, blank carries out message screening, according to the message detection of filtering blank is carried out copy or pull event, information object in intercepting event, then according to the type of information object, intercepted information object is carried out on the blank of local client and Terminal Server Client to simultaneous display, user can be directly by the plain mode that copies/pull, various types of contents are added in blank and shown, mode of operation is simply efficient, reduce operation complexity, improved user's service efficiency.
Accompanying drawing explanation
Fig. 1 shows the blank information synchronous display method flow chart of an embodiment;
Fig. 2 shows the blank information synchronous display system structural representation of an embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of blank information synchronous display method of the present invention is described in detail.
Fig. 1 shows the blank information synchronous display method flow chart of an embodiment, blank information synchronous display method of the present invention, and for blank on-line teaching system, this tutoring system comprises local client and is attached thereto some Terminal Server Clients of communication; Wherein, described display packing comprises the steps:
Step S101, carries out message screening to blank.
In this step, can be on the window top layer on blank, to arrange to filter external message function, the operation that real time filtering operating system is performed to blank.
In one embodiment, can be set to some layers by blank, specifically comprise from top to bottom: top layer, display layer, page layer and canvas sheet; Wherein, top layer is set for receiving external message and being forwarded to display layer; Display layer is set for display data content, comprises several pages; The picture of page layer for display data content is set; Canvas sheet is set for corresponding editable word and the paintbrush of Showing Picture.
For top layer, be responsible for receiving external information and giving lower floor and process; For display layer, main being responsible for shows information object, can comprise some pages, and wherein, page layer is mainly used in Showing Picture, and by the mode of background picture, shows, the every one page in page floor all has the editable painting canvas district of oneself; For canvas sheet, be mainly that the Word message of every one page, paintbrush etc. are drawn out to demonstration.
By the above-mentioned setting to blank, can receive in real time external message by the top layer of blank, and issue lower floor and process.
Step S102, what according to the message detection of described filtration, go out that local client carries out blank copies or pulls event.
In this step, specifically according to filtering the message of blank, detect copying or drag operation message that local client carries out blank, in this process, the command operating that can carry out blank according to operating system be determined; For example, intercept stickup (ctrl+v) operation that the keyboard of windows system copies, or the cross-platform C++ graphical user interface application program development (Qt) of heavy duty based on increasing income pull message.
Step S103, copies or pulls the information object in event described in intercepting.
In this step, can be that judgement pulls the data content in event, obtain information object wherein, such as fileinfo, pictorial information or Word message etc.
Step S104 according to the type of information object, carries out intercepted information object simultaneous display on the blank of local client and Terminal Server Client.
In this step, can be the information object according to aforementioned intercepting, judge the type of information object, then according to the type of information object, adopt the mode of corresponding coupling to show on blank.
For the method for concrete demonstration, according to the information object of previous embodiment, comprise fileinfo, pictorial information or Word message etc., the more excellent display packing of the information object of above-mentioned each type is below provided.
In one embodiment, described information object is the file that comprises some pages; Procedure for displaying can comprise the steps:
The file being truncated to is uploaded onto the server; By described server, file is converted to some width pictures and generates corresponding URL; The URL that obtains described picture is issued to connected described some Terminal Server Clients; On Terminal Server Client, according to described URL, obtain corresponding image data and show at the page layer of blank, wherein, can image data be shown page by page on the page layer of Terminal Server Client blank in the mode of background picture.
For example, primary client (local client) is truncated to fileinfo, through judging that file type is PPT file, directly upload onto the server, by described server, be converted to picture and the URL of picture is distributed to from client (Terminal Server Client), from client, picture being shown to user with background picture page by page.
In one embodiment, described information object is picture; Procedure for displaying can comprise the steps:
The pictorial information being truncated to is uploaded onto the server; By described server, the URL of picture is issued to connected described some Terminal Server Clients; According to described URL, download corresponding image data, and send it on the page layer of blank of Terminal Server Client and show, wherein, can image data be shown page by page on the page layer of Terminal Server Client blank in the mode of background picture.
In the present embodiment, with respect to aforesaid fileinfo processing mode, main process is similar, difference be picture uploading to after server without carrying out conversion process.
In one embodiment, described information object is Word message; Procedure for displaying can comprise the steps:
The Word message being truncated to is generated to a self-defined object and converts vector data to; Described vector data is uploaded onto the server; By described server, described vector data is forwarded to connected some Terminal Server Clients; Vector data is drawn out in the canvas sheet of the blank of described Terminal Server Client.
In the present embodiment, can be by the Word message being truncated to, at lecturer's end (local client), generating a self-defined object stores in the mode of vector data simultaneously, then vector data is held to (Terminal Server Client) through be forwarded to student by described server, then student, hold the canvas sheet of blank to draw out, accordingly, because this processing method is that word is processed as a complete object, so the passage of drawing out can be in blank as a global existence independently, and can in painting canvas, be dragged or be deleted, be movement and the deletion of self-defined object's position.
Blank information synchronous display method described in comprehensive above-described embodiment, can be by doing message screening processing in the top-level windows of blank, the message of the keyboard copy operation of intercept operation system and pull message, and the display layer that message is given blank is done to corresponding Graphics Processing, display layer (one deck of the word content that Shows Picture) by blank is realized by word and Image Display out, display layer can be the self defined class of a succession from the coordinate system (QWidget) of window member, can realize the message that top-level windows is transmitted and carry out discrimination and classification, if message is word message, give the canvas sheet of corresponding page layer below display layer and remove display text, if message is file, according to the type selecting alignment processing mode of file, wherein picture file is directly as the background picture of independent one page, to show, for other file, can according to configuration information be chosen in this locality be converted to Image Display or upload onto the server be converted to picture be issued to again client show.
As can be seen here, by adopting blank information synchronous display method of the present invention, user can be directly by the plain mode that copies/pull, various types of contents are added in blank and shown, mode of operation is simply efficient, has reduced operation complexity, improves user's service efficiency.
Below in conjunction with accompanying drawing, the embodiment of blank information synchronous display system of the present invention is described in detail.
Shown in Figure 2, Fig. 2 is the blank information synchronous display system structural representation of an embodiment, blank information synchronous display system of the present invention, for blank on-line teaching system, this tutoring system comprises local client and is attached thereto some Terminal Server Clients of communication; Described display system comprises:
Message screening module 201, for carrying out message screening to blank;
Event checking module 202, copies or pulls event for what go out according to the message detection of described filtration that local client carries out blank;
Information interception module 203, for copying or pull the information object of event described in intercepting;
Information display module 204 for according to the type of information object, is carried out intercepted information object simultaneous display on the blank of local client and Terminal Server Client.
In one embodiment, can be set to some layers by blank, concrete from top to bottom: top layer, display layer, page layer and canvas sheet; Wherein, top layer is used for receiving external message and is forwarded to display layer; Display layer, for display data content, comprises several pages; Page layer is for the picture of display data content; Canvas sheet be used for Showing Picture corresponding editable word and paintbrush.
In one embodiment, described information object is the file that comprises some pages;
Described information display module 204 is further used for: the file being truncated to is uploaded onto the server; By described server, file is converted to some width pictures and generates corresponding URL; The URL that obtains described picture is issued to connected described some Terminal Server Clients; On Terminal Server Client, according to described URL, obtain corresponding image data and show at the page layer of blank.
In one embodiment, described information object is picture;
Described information display module 204 is further used for: the pictorial information being truncated to is uploaded onto the server; By described server, the URL of picture is issued to connected described some Terminal Server Clients; According to described URL, download corresponding image data, and send it on the page layer of blank of Terminal Server Client and show.
In one embodiment, described information object is Word message;
Described information display module 204 is further used for: the Word message being truncated to is generated to a self-defined object and converts vector data to; Described vector data is uploaded onto the server; By described server, described vector data is forwarded to connected some Terminal Server Clients; Vector data is drawn out in the canvas sheet of the blank of described Terminal Server Client.
Blank information synchronous display system of the present invention is corresponding one by one with blank information synchronous display method of the present invention, technical characterictic and the beneficial effect thereof of at the embodiment of above-mentioned blank information synchronous display method, setting forth are all applicable to, in the embodiment of blank information synchronous display system, not repeat them here.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a blank information synchronous display method, for blank on-line teaching system, this tutoring system comprises local client and is attached thereto some Terminal Server Clients of communication; It is characterized in that, described display packing comprises the steps:
Blank is carried out to message screening;
What according to the message detection of described filtration, go out that local client carries out blank copies or pulls event;
Described in intercepting, copy or pull the information object in event;
According to the type of information object, intercepted information object is carried out on the blank of local client and Terminal Server Client to simultaneous display.
2. blank information synchronous display method according to claim 1, is characterized in that, described blank comprises: top layer, display layer, page layer and canvas sheet; Wherein, top layer is used for receiving external message and is forwarded to display layer; Display layer, for display data content, comprises several pages; Page layer is for the picture of display data content; Canvas sheet be used for Showing Picture corresponding editable word and paintbrush.
3. blank information synchronous display method according to claim 2, is characterized in that, described information object is the file that comprises some pages;
The step obtained information object being shown on described blank according to the type of information object comprises:
The file being truncated to is uploaded onto the server;
By described server, file is converted to some width pictures and generates corresponding URL;
The URL that obtains described picture is issued to connected described some Terminal Server Clients;
On Terminal Server Client, according to described URL, obtain corresponding image data and show at the page layer of blank.
4. blank information synchronous display method according to claim 2, is characterized in that, described information object is picture;
The step obtained information object being shown on described blank according to the type of information object comprises:
The pictorial information being truncated to is uploaded onto the server;
By described server, the URL of picture is issued to connected described some Terminal Server Clients;
According to described URL, download corresponding image data, and send it on the page layer of blank of Terminal Server Client and show.
5. blank information synchronous display method according to claim 2, is characterized in that, described information object is Word message;
The step obtained information object being shown on described blank according to the type of information object comprises:
The Word message being truncated to is generated to a self-defined object and converts vector data to;
Described vector data is uploaded onto the server;
By described server, described vector data is forwarded to connected some Terminal Server Clients;
Vector data is drawn out in the canvas sheet of the blank of described Terminal Server Client.
6. a blank information synchronous display system, for blank on-line teaching system, this tutoring system comprises local client and is attached thereto some Terminal Server Clients of communication; It is characterized in that, described display system comprises:
Message screening module, for carrying out message screening to blank;
Event checking module, copies or pulls event for what go out according to the message detection of described filtration that local client carries out blank;
Information interception module, for copying or pull the information object of event described in intercepting;
Information display module for according to the type of information object, is carried out intercepted information object simultaneous display on the blank of local client and Terminal Server Client.
7. blank information synchronous display system according to claim 6, is characterized in that, described blank comprises: top layer, display layer, page layer and canvas sheet; Wherein, top layer is used for receiving external message and is forwarded to display layer; Display layer, for display data content, comprises several pages; Page layer is for the picture of display data content; Canvas sheet be used for Showing Picture corresponding editable word and paintbrush.
8. blank information synchronous display system according to claim 7, is characterized in that, described information object is the file that comprises some pages;
Described information display module is further used for: the file being truncated to is uploaded onto the server; By described server, file is converted to some width pictures and generates corresponding URL; The URL that obtains described picture is issued to connected described some Terminal Server Clients; On Terminal Server Client, according to described URL, obtain corresponding image data and show at the page layer of blank.
9. blank information synchronous display system according to claim 7, is characterized in that, described information object is picture;
Described information display module is further used for: the pictorial information being truncated to is uploaded onto the server; By described server, the URL of picture is issued to connected described some Terminal Server Clients; According to described URL, download corresponding image data, and send it on the page layer of blank of Terminal Server Client and show.
10. blank information synchronous display system according to claim 7, is characterized in that, described information object is Word message;
Described information display module is further used for: the Word message being truncated to is generated to a self-defined object and converts vector data to; Described vector data is uploaded onto the server; By described server, described vector data is forwarded to connected some Terminal Server Clients; Vector data is drawn out in the canvas sheet of the blank of described Terminal Server Client.
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| CN105808126A (en) * | 2014-12-29 | 2016-07-27 | 鸿合科技有限公司 | Electronic teaching whiteboard operation method and device |
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| CN110473437A (en) * | 2018-05-11 | 2019-11-19 | 鸿合科技股份有限公司 | A kind of method and apparatus set a question of taking pictures |
| CN110716680A (en) * | 2019-10-09 | 2020-01-21 | 广州视源电子科技股份有限公司 | Control method and device of intelligent interactive panel |
| CN111355700A (en) * | 2019-06-27 | 2020-06-30 | 鸿合科技股份有限公司 | Network whiteboard sharing method and system and electronic equipment |
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| WO2022217433A1 (en) * | 2021-04-12 | 2022-10-20 | 广州视源电子科技股份有限公司 | Multi-terminal collaborative display update method and apparatus |
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| CN104065953B (en) * | 2014-06-27 | 2017-01-04 | 广东威创视讯科技股份有限公司 | The method and device controlled based on the visualization display of display device multi views |
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| CN112799568A (en) * | 2019-11-13 | 2021-05-14 | 福建天泉教育科技有限公司 | Method and terminal for controlling elements in PPT (Power Point) in projection state |
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