CN106354449B - A kind of online demenstration method of document and client - Google Patents
A kind of online demenstration method of document and client Download PDFInfo
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- CN106354449B CN106354449B CN201510417225.1A CN201510417225A CN106354449B CN 106354449 B CN106354449 B CN 106354449B CN 201510417225 A CN201510417225 A CN 201510417225A CN 106354449 B CN106354449 B CN 106354449B
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Abstract
The embodiment of the present invention provides a kind of online demenstration method of document and client, and wherein method, which comprises determining that, needs presentation file, and shows the document in projection port；Triggering redraws the content for the document that the projection port is shown；Obtain picture frame corresponding to the process for the content for redrawing the document；The picture frame is shared by network, realizes the online demonstration of the content of the document.The present invention realizes the online demonstration consistent with the actual content of document, solves the problems, such as that the original animated content of document is lost, and improves online demonstration to the reduction degree of the actual content of document, improves online demonstrating effect.
Description
Technical field
The present invention relates to technical field of data processing, and in particular to a kind of online demenstration method of document and client.
Background technique
Document demonstrates the client referred to using having online demo function online, (such as by the local document of an equipment
The documents such as PPT, WORD) pass through network sharing to other equipment, other equipment are passed through with online demo function
Client shows shared document；Document is demonstrated online is mainly used in Web conference, and online teaching etc. needs to carry out document
The scene of sharing.
The mode that document is demonstrated online at present is main are as follows: the selected document that need to be demonstrated of user, client will be in document
Appearance is converted to picture, and is sent to other equipment by network, realizes the online demonstration of document；Such as online demonstration PPT
When (PowerPoint, PowerPoint), user can select the PPT document that need to be demonstrated, and client can utilize PPT component should
The Content Transformation of every page of PPT document is picture, and the picture after conversion is then sent to other equipment by network, realizes PPT
The online demonstration of document.
The present inventor has found in the course of the research, for the expression convenient for image, generally has in animation in document
Hold, the existing document that document content is converted to picture demonstrates mode online, and will make demonstrated document only is static figure
Piece is lost original animated content in document, the actual content of online demo content and document is caused to have differences, and influences
Line demonstrating effect.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of online demenstration method of document and client, to solve existing document
The original animated content of loss document present in online demonstration mode, causes the actual content of online demo content and document to exist
Difference, the problem of influencing online demonstrating effect.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of online demenstration method of document, comprising:
Determining needs presentation file, and shows the document in projection port；
Triggering redraws the content for the document that the projection port is shown；
Obtain picture frame corresponding to the process for the content for redrawing the document；
The picture frame is shared by network, realizes the online demonstration of the content of the document.
The embodiment of the present invention also provides a kind of client, comprising:
Module is shown, needs presentation file for determining, and shows the document in projection port；
Triggering redraws module, for triggering the content for redrawing the document that the projection port is shown；
Picture frame obtains module, for obtaining picture frame corresponding to the process for the content for redrawing the document；
Share demonstration module, for the picture frame to be shared by network, realize the content of the document
Line demonstration.
Based on the above-mentioned technical proposal, the online demenstration method of document provided in an embodiment of the present invention, including determination need to demonstrate text
Shelves, and the document is shown in projection port；Triggering redraws the content for the document that the projection port is shown；Obtain weight
Draw picture frame corresponding to the process of the content of the document；The picture frame is shared by network, realizes the text
The online demonstration of the content of shelves.For the embodiment of the present invention after determination needs presentation file, triggerable projection port redraws the document
Content the process of document content is redrawn by obtaining so that the truth of document content can be restored in redrawing process
Corresponding picture frame, reflects the truth of document content with the picture frame, so by the picture frame by network into
, it can be achieved that the online demonstration consistent with the actual content of document, solves what the original animated content of document was lost after row is shared
Problem improves online demonstration to the reduction degree of the actual content of document, improves online demonstrating effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart of the online demenstration method of document provided in an embodiment of the present invention；
Fig. 2 is another flow chart of the online demenstration method of document provided in an embodiment of the present invention；
Fig. 3 is another flow chart of the online demenstration method of document provided in an embodiment of the present invention；
Fig. 4 is the structural block diagram of client provided in an embodiment of the present invention；
Fig. 5 is the structural block diagram provided in an embodiment of the present invention for triggering and redrawing module；
Fig. 6 is the structural block diagram that picture frame provided in an embodiment of the present invention obtains module；
Fig. 7 is another structural block diagram of client provided in an embodiment of the present invention；
Fig. 8 is the structural block diagram that picture frame provided in an embodiment of the present invention obtains module；
Fig. 9 is the hardware block diagram of user equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the flow chart of the online demenstration method of document provided in an embodiment of the present invention, and this method can be applied to have
The client of line demo function, the client can be loaded on the user equipmenies such as mobile phone, tablet computer, laptop, so as to
User uses；Referring to Fig.1, this method may include:
Step S100, determining needs presentation file, and shows the document in projection port；
Document can be the documents such as PPT, WORD, and user, which can select one from local document, needs presentation file to divide
It enjoys；It is selected need presentation file after, the embodiment of the present invention will open the document with display mode, to put in projection port
Reflect the document；
Optionally, by taking PPT document as an example, after user has selected the PPT document that need to be demonstrated, client can load PPT application
Com component, which is opened with display mode, to show the PPT document in projection port.
Step S110, triggering redraws the content for the document that the projection port is shown；
The embodiment of the present invention can trigger the document content currently shown to the projection port and redraw, and redrawing can be
The Pixel Information for referring to the document content according to projection port projection, re-starts the drafting of Pixel Information, restores and is shown
The truth of document content；
Optionally, projection port once can only show the content of page of document, and the embodiment of the present invention can trigger to projection
The content for the documentation page that window is currently shown is redrawn；And in document page turning (upper page turning or lower page turning), projection port is worked as
When the preceding content for showing next documentation page or a upper documentation page, the embodiment of the present invention, which can trigger, currently shows projection port
The content of next documentation page or a upper documentation page is redrawn；
Optionally, if there is the process for redrawing document content in the document application that user equipment loads, have and drill online
Show that the client of function can redraw the process of document content by triggering in the document program, realization redraws institute in projection port
The content of the document of projection；Wherein, document, which is applied, is used for management document, such as opens, modification document, such as the document of word document
It applies using the document for word application, PPT document and is applied for PPT；
By taking PPT is applied as an example, if there is the process for redrawing PPT content of pages in PPT application, there is online demonstration function
The client of energy can be by the process for redrawing PPT content of pages in triggering PPT application, and realization is redrawn in projection port is put
The content of the PPT page reflected；
Optionally, the embodiment of the present invention can also be arranged in the client with online demo function for redrawing in document
The process of appearance, it is by triggering set for redrawing the process of document content, it realizes to redraw in projection port and be shown
The content of document.
Step S120, picture frame corresponding to the process for the content for redrawing the document is obtained；
During picture frame expression redraws the content of the document, respectively redraw the stage redraws content；By obtaining table
Show the picture frame for redrawing content for respectively redrawing the stage, can reflect the truth of document content；Obviously, if in document content
There are when animated content, can also be represented by the picture frame.
Step S130, the picture frame is shared by network, realizes the online demonstration of the content of the document.
By sharing the picture frame, it may make that online demo content is consistent with the actual content of document, solve online
The problem of actual content of demo content and document has differences promotes online demonstration to the reduction degree of the actual content of document；
Optionally, client can have demonstration interface, and the content in the demonstration interface is the content demonstrated online；Base
In this, the embodiment of the present invention can be imported the picture frame in demonstration interface, and the drawing result that the picture frame indicates is drawn
It makes in the demonstration interface, by sharing the drafting content at demonstration interface, realizes the online demonstration of document.
The online demenstration method of document provided in an embodiment of the present invention, including determination need presentation file, and put in projection port
Reflect the document；Triggering redraws the content for the document that the projection port is shown；Obtain the content for redrawing the document
Process corresponding to picture frame；The picture frame is shared by network, realizes drilling online for the content of the document
Show.The embodiment of the present invention is after determination needs presentation file, and triggerable projection port redraws the content of the document, thus redrawing
The truth that document content can be restored in the process redraws picture frame corresponding to the process of document content by obtaining, with
The picture frame reflects the truth of document content, so after the picture frame is shared by network, it can be achieved that with
The consistent online demonstration of the actual content of document solves the problems, such as that the original animated content of document is lost, improves and drill online
Show the reduction degree to the actual content of document, improves online demonstrating effect.
Optionally, the embodiment of the present invention can trigger only in the document content of projection port projection there are when animated content
The document content that the projection port is shown is redrawn, and animated content is reflected by the picture frame of redrawing process；Obviously, this hair
Bright embodiment can also trigger any page document content of projection and redraw.
Optionally, when triggering redraws the document content that projection port is shown, the embodiment of the present invention can have by triggering
There is the process for redrawing document content, the calling of device context (device context) is carried out, to realize document content
It redraws；Device context is a kind of include some equipment rendering attribute information windows data structure；
Corresponding, when triggering projection port redraws the content of shown document, the embodiment of the present invention, which can trigger, to be called
The drawing function of device context (specifically can realize the drawing letter of device context by having the process for redrawing document content
Several calling), to redraw the content for the document that projection port is shown by the drawing function of the device context, meanwhile,
It can be reserved in device context and redraw the corresponding picture of result and draw information (device context can be in each stage of redrawing process
The preservation that picture draws information is carried out, such as picture is saved in redrawing process timing and draws information, redraw result pair to be saved in
The picture answered draws information)；And then information is drawn by the picture, the picture frame can be obtained；
Fig. 2 shows another flow charts of the online demenstration method of document provided in an embodiment of the present invention, referring to Fig. 2, the party
Method may include:
Step S200, determining needs presentation file, and shows the document in projection port；
Step S210, the drawing function of device context is called in triggering, with by the drawing function of the device context,
Redraw the content for the document that the projection port is shown；Wherein, preserve that redraw result corresponding in device context
Picture draws information；
Optionally, picture, which draws information, can be a certain picture for redrawing the stage, be also possible to a certain figure for redrawing the stage
Piece draw strategy, picture draw strategy can indicate it is a certain how redraw the stage, logic carry out content redraw；
Step S220, the process for redrawing the content of the document is periodically obtained from the device context, is saved
Picture draws information, draws information according to the picture of timing acquisition and generates the picture frame；
It since projection port redraws document content is carried out by device context, redraws the picture that result is related to and draw
Information will be stored in device context；The embodiment of the present invention can periodically be obtained from the device context in redrawing process
The picture for respectively redrawing the stage draws information, to be drawn described in information generation by multiple pictures accessed in redrawing process
Picture frame；
Drawing information such as picture is a certain picture for redrawing the stage, then in redrawing process, through timing above and below equipment
Picture is obtained in text draws information；Multiple pictures for redrawing the stage can be obtained at the end of redrawing, multiple picture is subjected to group
It closes, then dynamic picture can be obtained, restore the animated content of document；
If picture draw information be it is a certain redraw the stage picture draw strategy, then in redrawing process, by timing from
Picture is obtained in device context draws information；It can obtain multiple pictures for redrawing the stage at the end of redrawing and draw strategy, according to
According to respectively redraw the stage picture draw strategy, sequentially draw out the picture for respectively redrawing the stage, combine draw out respectively redraw the stage
Picture, dynamic picture can be obtained, restore the animated content of document.
Step S230, the picture frame is shared by network, realizes the online demonstration of the content of the document.
Optionally, to make in the online presentation process of document, user can only pass through the client with online demo function
The demonstration operation of document is carried out, the maloperation to document is reduced；The embodiment of the present invention can by create projection port parent window,
When projection port redraws document content, synchronous update in parent window draws content, by demonstrating the drafting content of parent window,
Realize the online demonstration of document.
Fig. 3 shows another flow chart of the online demenstration method of document provided in an embodiment of the present invention, referring to Fig. 3, the party
Method may include:
Step S300, determining needs presentation file, and shows the document in projection port；
Step S310, using the projection port as child window, the parent window of the projection port is created；
Step S320, the drawing function of device context is called in triggering, with by the drawing function of the device context,
Redraw the content for the document that the projection port is shown；Wherein, preserve that redraw result corresponding in device context
Picture draws information；
Step S330, it when triggering redraws the content for the document that the projection port is shown, is periodically put with described
Reflect the drafting content for redrawing result and updating the parent window of window；
It optionally, is higher level's window of projection port based on parent window, projection port is the root window of parent window, the present invention
The settable parent window of embodiment can transfer the device context content of root window, so that the result that redraws with projection port updates father
The drafting content of window；
Optionally, when triggering redraws the content for the document that projection port is shown, the embodiment of the present invention can be periodically from institute
It states and obtains picture drafting information in device context, the drafting of parent window described in information update is drawn with picture acquired in timing
Content, so that the drafting content updated in parent window can be synchronised with content is redrawn；
Step S340, the drafting content of the parent window updated according to timing generates the picture frame；
Optionally, the embodiment of the present invention periodically can carry out Video coding to the drafting content of the parent window, be indicated
The video pictures frame of document content truth may make and be divided by encoded multi-frame video picture frame by network sharing
Enjoying family can watch the demo content consistent with document actual content；
Optionally, step S330 and step S340 is regarded as a kind of optional realization of Fig. 1 step S120.
Step S350, the picture frame is shared by network, realizes the online demonstration of the content of the document.
Optionally, projection port can be also moved to display after the parent window of creation projection port by the embodiment of the present invention
The non-display area (outside screen) of screen, so that display of the display screen without projection port, further decreases and drill online
During showing, a possibility that projection port is misused.
Optionally, when being demonstrated online due to document, user may use virtual stylus (such as paintbrush) tool of arriving, because
This embodiment of the present invention can mutually tie the picture frame and virtual stylus when being shared the picture frame by network
After being combined into picture, then shared by network；
Specifically, if using demonstrate interface content as sharing contents, the embodiment of the present invention can be by the picture frame knot
It closes virtual stylus and imports demonstration interface, draw the picture of the picture frame combination stylus at demonstration interface, then share and drill
Show the content at interface.
Optionally, if projection port once only shows the content of page of document, in client by calling document page turning
Interface realizes that (under such as PPT scene, client can be by the page turning interface of calling PPT component, to pass through client after document page turning
Realize the page turning control of PPT in end), the document content shown after projection port page turning can also be handled in method shown in Fig. 1,
Realize the online demonstration consistent with document actual content.
By taking teacher is given lessons online using PPT as an example, give lessons online mode according to existing PPT, then every page of content of PPT is equal
After being converted into picture, demonstrated in client of giving lessons online, this loses the animated content made in PPT, reduces course
The vividness of explanation, the difficulty that student understands course will also improve；Based on this situation, the embodiment of the present invention can provide based on PPT
The application examples given lessons online:
The mountable client of giving lessons online of the equipment of Faculty and Students；When teacher is given lessons online using PPT, teacher can be
Client of giving lessons online is opened in teacher's equipment (laptop of such as teacher)；
After teacher selects a local PPT document in teacher's equipment to demonstrate as this document of giving lessons, award online
Class client can load the com component of PPT application, open the PPT with display mode, which will put in projection port
It reflects；
Client of giving lessons online creates the parent window of the display mode, and display mode is moved to outside display screen；
For the PPT page that display mode is currently shown, the triggerable PPT application of client of giving lessons online redraws process weight
Draw the PPT content of pages that projection port is shown；In specific implementation, the process of redrawing can call calling device context, and realization is put
Reflect redrawing for the PPT content of pages that window is shown；
In redrawing process, the drafting picture that can be saved in timing acquisition device context, and drawing according to timing acquisition
The piece that charts updates parent window, so that the update for redrawing triggering parent window and drawing content of display mode；
Video record and coding are carried out to the drafting content of parent window, it is (including dynamic that reflection PPT page truth can be obtained
Draw content) multiframe picture；
The demonstration interface that the multiframe picture imports client of giving lessons online (is imported into demonstration in combination with virtual instruction the pen or shape tool
Interface), shared by the demonstration interface may make the equipment of student when watching PPT to the equipment of student, can be more by this
Frame picture is watched and the consistent demo content of PPT page actual content, including animated content；
As can be seen that using the online demenstration method of document provided by the invention, it may make teacher when being given lessons online,
The true content in PPT including original animation can be clearly restored, so that the PPT content demonstrated online and teacher are real
The PPT that border prepares is consistent；Promote the vividness of course explanation.
The online demenstration method of document provided in an embodiment of the present invention realizes consistent with the actual content of document online
Demonstration solves the problems, such as that the original animated content of document is lost, improves the online reduction degree demonstrated to the actual content of document,
Improve online demonstrating effect.
Client provided in an embodiment of the present invention is introduced below, which has the online demo function of document；
Client described below can correspond to each other reference with the online demenstration method of above-described document.Fig. 4 is the embodiment of the present invention
The structural block diagram of the client of offer, referring to Fig. 4, which may include:
Module 100 is shown, needs presentation file for determining, and shows the document in projection port；
Triggering redraws module 200, for triggering the content for redrawing the document that the projection port is shown；
Picture frame obtains module 300, for obtaining picture frame corresponding to the process for the content for redrawing the document；
Share demonstration module 400 and realizes the content of the document for sharing the picture frame by network
Online demonstration.
Optionally, the embodiment of the present invention can realize redrawing for document content by device context；Corresponding, Fig. 5 is shown
Provided in an embodiment of the present invention to trigger a kind of alternative construction for redrawing module 200, referring to Fig. 5, triggering redraws module 200 can be with
Include:
Context call unit 210, for triggering the drawing function for calling device context, above and below through the equipment
The drawing function of text, redraws the content for the document that the projection port is shown；Wherein, weight is preserved in device context
It draws the corresponding picture of result and draws information.
Optionally, Fig. 6 shows a kind of alternative construction that picture frame provided in an embodiment of the present invention obtains module 300, ginseng
According to Fig. 6, picture frame obtains module 300 and may include:
Timing acquisition unit 310 obtains the mistake for redrawing the content of the document for timing from the device context
Journey, the picture saved draw information；
First picture frame generation unit 311 generates the picture for drawing information according to the picture of timing acquisition
Frame.
Optionally, the embodiment of the present invention can realize the acquisition of picture frame by way of creating parent window；Fig. 7 is shown
Another structural block diagram of client provided in an embodiment of the present invention, in conjunction with shown in Fig. 4 and Fig. 7, which may include:
Window creating module 500, for creating the parent window of the projection port using the projection port as child window.
Optionally, window creating module 500 can be after projection port shows the document, and triggering redraws the projection window
Before the content for the document that mouth is shown, using the projection port as child window, the parent window of the projection port is created.
Based on client shown in Fig. 7, Fig. 8 shows picture frame provided in an embodiment of the present invention and obtains the another of module 300
Kind alternative construction, referring to Fig. 8, picture frame obtains module 300 and may include:
Timing updating unit 320, for determining when triggering redraws the content for the document that the projection port is shown
When with the drafting content for redrawing result and updating the parent window of the projection port；
The drafting content of second picture frame generation unit 321, the parent window for being updated according to timing generates the picture
Frame.
Optionally, the mode that the drafting content to parent window carries out Video coding can be used in the embodiment of the present invention, realizes institute
State the generation of picture frame；Corresponding, second picture frame generation unit 321 is particularly used in, periodically to the drafting of the parent window
Content carries out Video coding, obtains the picture frame.
Optionally, the embodiment of the present invention can update the drafting content of parent window by device context timing；It is corresponding, it is fixed
When updating unit 320 be particularly used in, triggering redraw the content for the document that the projection port is shown when, periodically from
Picture is obtained in the device context and draws information, and drawing for parent window described in information update is drawn with picture acquired in timing
Content processed.
Client provided in an embodiment of the present invention with the online demo function of document, realizes the actual content with document
Consistent online demonstration solves the problems, such as that the original animated content of document is lost, and improves online demonstration to the reality of document
The reduction degree of content improves online demonstrating effect.
Client provided in an embodiment of the present invention can be applied on user equipment, such as mobile phone, tablet computer, laptop
Deng；Fig. 9 shows the hardware block diagram of user equipment, and referring to Fig. 9, which may include: processor 1, and communication connects
Mouth 2, memory 3 and communication bus 4；
Wherein processor 1, communication interface 2, memory 3 complete mutual communication by communication bus 4；
Optionally, communication interface 2 can be the interface of communication module, such as the interface of gsm module；
Processor 1, for executing program；
Memory 3, for storing program；
Program may include program code, and said program code includes computer operation instruction.
Processor 1 may be a central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.
Memory 3 may include high speed RAM memory, it is also possible to further include nonvolatile memory (non-volatile
Memory), a for example, at least magnetic disk storage.
Wherein, program can be specifically used for:
Determining needs presentation file, and shows the document in projection port；
Triggering redraws the content for the document that the projection port is shown；
Obtain picture frame corresponding to the process for the content for redrawing the document；
The picture frame is shared by network, realizes the online demonstration of the content of the document.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of online demenstration method of document characterized by comprising
Determining needs presentation file, and shows the document in projection port；
Using the projection port as child window, the parent window of the projection port is created；
Triggering redraws the content for the document that the projection port is shown；
Picture frame corresponding to the process for the content for redrawing the document is obtained, including: the projection window is redrawn in triggering
When the content for the document that mouth is shown, periodically updated in the drafting of the parent window with the result that redraws of the projection port
Hold；The drafting content of the parent window updated according to timing generates the picture frame；
The picture frame is shared by network, realizes the online demonstration of the content of the document.
2. the online demenstration method of document according to claim 1, which is characterized in that the triggering redraws the projection port
The content for the document shown includes:
The drawing function of device context is called in triggering, to redraw the projection by the drawing function of the device context
The content for the document that window is shown；Wherein, it is preserved in device context and redraws the corresponding picture drafting information of result.
3. the online demenstration method of document according to claim 2, which is characterized in that the acquisition redraws the interior of the document
Picture frame corresponding to the process of appearance includes:
Timing obtains the process for redrawing the content of the document from the device context, and the picture saved draws information；
Information, which is drawn, according to the picture of timing acquisition generates the picture frame.
4. the online demenstration method of document according to claim 2, which is characterized in that the parent window updated according to timing
Drafting content generate the picture frame and include:
Timing carries out Video coding to the drafting content of the parent window, obtains the picture frame.
5. the online demenstration method of document according to claim 2, which is characterized in that the timing is with the projection port
It redraws result and updates the drafting content of the parent window and include:
When triggering redraws the content for the document that the projection port is shown, periodically obtained from the device context
Picture draws information, and the drafting content of parent window described in information update is drawn with picture acquired in timing.
6. a kind of client characterized by comprising
Module is shown, needs presentation file for determining, and shows the document in projection port；
Window creating module, for creating the parent window of the projection port using the projection port as child window；
Triggering redraws module, for triggering the content for redrawing the document that the projection port is shown；
Picture frame obtains module, for obtaining picture frame corresponding to the process for the content for redrawing the document；
Share demonstration module, for sharing the picture frame by network, realizes drilling online for the content of the document
Show；
The picture frame obtains module
Timing updating unit, for triggering redraw the content for the document that the projection port is shown when, periodically with institute
State the drafting content for redrawing result and updating the parent window of projection port；
The drafting content of second picture frame generation unit, the parent window for being updated according to timing generates the picture frame.
7. client according to claim 6, which is characterized in that the triggering redraws module and includes:
Context call unit, for triggering the drawing function for calling device context, with drawing by the device context
Figure function redraws the content for the document that the projection port is shown；Wherein, it is preserved in device context and redraws result
Corresponding picture draws information.
8. client according to claim 7, which is characterized in that the picture frame obtains module and includes:
Timing acquisition unit obtains the process for redrawing the content of the document from the device context for timing, is protected
The picture deposited draws information；
First picture frame generation unit generates the picture frame for drawing information according to the picture of timing acquisition.
Priority Applications (1)
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| CN109783305B (en) * | 2018-11-22 | 2022-08-19 | 厦门市美亚柏科信息股份有限公司 | Method and device for monitoring information |
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| CN102243665A (en) * | 2011-08-22 | 2011-11-16 | 上海梅花信息有限公司 | Document online playing system and method thereof |
| CN102955785A (en) * | 2011-08-22 | 2013-03-06 | 北大方正集团有限公司 | Method and system for online editing of documents |
| CN104199911A (en) * | 2014-08-28 | 2014-12-10 | 天脉聚源（北京）教育科技有限公司 | Storage method and device for PPT |
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| CN102243665A (en) * | 2011-08-22 | 2011-11-16 | 上海梅花信息有限公司 | Document online playing system and method thereof |
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