CN110955355A - File processing method and device of electronic whiteboard and computer-readable storage medium - Google Patents
File processing method and device of electronic whiteboard and computer-readable storage medium Download PDFInfo
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- CN110955355A CN110955355A CN201911197018.4A CN201911197018A CN110955355A CN 110955355 A CN110955355 A CN 110955355A CN 201911197018 A CN201911197018 A CN 201911197018A CN 110955355 A CN110955355 A CN 110955355A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
Abstract
The invention discloses a file processing method and a device of an electronic whiteboard and a computer readable storage medium, wherein the method comprises the following steps: whenever a behavior track is detected to be generated in the whiteboard content, storing the action, the vector diagram and the behavior timestamp of the behavior track as an increment element, wherein the behavior timestamp comprises a timestamp for starting to generate the behavior track and a timestamp for ending the behavior track; and when detecting that the content of the whiteboard does not change after a preset time period or detecting a signal for stopping whiteboard operation, storing all the increment elements of all the behavior tracks generated before in a whiteboard file format. The file processing method and device of the electronic whiteboard and the computer-readable storage medium can store the behavior track every time.
Description
Technical Field
The present invention relates to the field of electronic whiteboard technology, and more particularly, to a method and an apparatus for processing files of an electronic whiteboard, and a computer-readable storage medium.
Background
At present, the related technologies and processing schemes of electronic whiteboards focus on the most basic use scenarios of whiteboards, such as writing or gesture recognition, and methods and devices for using scenarios of electronic whiteboards lack of expansibility on the market.
The inventor finds that the action track of the whiteboard actually represents the thinking process of the user in the process of implementing the invention, and the action track has the characteristics of nonlinearity, jumping and intuition. Therefore, users may want to frequently need to perform a combing and deriving process from the beginning to meet the requirement of thinking duplication when facing a full-screen behavior track. There is currently no solution to this problem.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a file processing method and device of an electronic whiteboard and a computer-readable storage medium, which can store behavior tracks each time.
In order to achieve the above object, the present invention provides a file processing method for an electronic whiteboard, which includes: whenever a behavior track is detected to be generated in the whiteboard content, storing the action, the vector diagram and the behavior timestamp of the behavior track as an increment element, wherein the behavior timestamp comprises a timestamp for starting to generate the behavior track and a timestamp for ending the behavior track; and when detecting that the content of the whiteboard does not change after a preset time period or detecting a signal for stopping whiteboard operation, storing all the increment elements of all the behavior tracks generated before in a whiteboard file format.
In an embodiment of the present invention, the file processing method further includes: whiteboard content is stored in a picture file format.
In an embodiment of the present invention, the file processing method further includes: when a positive sequence playing signal is detected and an neglect time interval signal is detected to be in an invalid state, all behavior tracks are sequentially displayed on the electronic whiteboard from first to last according to the incremental element information of all behavior tracks in the whiteboard file and the timestamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is the difference of the timestamps for generating the two behavior tracks.
In an embodiment of the present invention, the file processing method further includes: and when the operation signal of positive sequence playing is detected and the signal of neglected time interval is detected to be in an effective state, sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is 0.
In an embodiment of the present invention, the file processing method further includes: when a reverse playing signal is detected and a neglected time interval signal is detected to be in an invalid state, sequentially displaying all behavior tracks on the electronic whiteboard from back to first according to the incremental element information of all behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is the difference of the time stamps for generating the two behavior tracks;
in an embodiment of the present invention, the file processing method further includes: and when the reverse playing operation signal is detected and the neglect time interval signal is detected to be in an effective state, sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from back to front according to the incremental element information of all the behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between every two adjacent behavior tracks is 0.
In an embodiment of the present invention, the file processing method further includes: in the process of reading the stored whiteboard file, whenever it is detected that an original behavior track in whiteboard content contained in the whiteboard file is deleted or modified, an increment element of a corresponding behavior track is deleted or modified in the whiteboard file.
The invention also provides a file processing device of the electronic whiteboard, which comprises: the device comprises an increment element generating and storing module and a full-scale storing module. The incremental element generating and storing module is used for storing the action, the vector diagram and the behavior timestamp of the primary behavior track as an incremental element when detecting that the primary behavior track is generated in the whiteboard content, wherein the behavior timestamp comprises a timestamp for starting to generate the behavior track and a timestamp for ending the behavior track. And the full storage module is coupled with the incremental element generation and storage module and is used for storing all the incremental elements of all the behavior tracks generated before in a whiteboard file format when detecting that the content of the whiteboard does not change after a preset time period or detecting a signal for stopping whiteboard operation.
In one embodiment of the present invention, the file processing apparatus further includes: and the first positive sequence playing module is used for sequentially displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the positive sequence playing signal and the neglected time interval signal are in an invalid state, wherein the playing time interval between two adjacent behavior tracks is the difference of the timestamps for generating the two behavior tracks.
In one embodiment of the present invention, the file processing apparatus further includes: and the second positive sequence playing module is used for sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file and the sequence of timestamps for generating the behavior tracks when the positive sequence playing operation signal is detected and the neglected time interval signal is detected to be in an effective state, wherein the playing time interval between every two adjacent behavior tracks is 0.
In one embodiment of the present invention, the file processing apparatus further includes: and the first reverse playing module is used for sequentially displaying all the behavior tracks on the electronic whiteboard from back to front according to the time stamps for generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the reverse playing signal is detected and the neglected time interval signal is in an invalid state, wherein the playing time interval between two adjacent behavior tracks is the difference of the time stamps for generating the two behavior tracks.
In one embodiment of the present invention, the file processing apparatus further includes: and the second reverse playing module is used for sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from back to front according to the time stamps for generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the reverse playing operation signal is detected and the neglecting time interval signal is in an effective state, wherein the playing time interval between every two adjacent behavior tracks is 0.
In one embodiment of the present invention, the file processing apparatus further includes: and the whiteboard file modification module is used for deleting or modifying the increment elements of the corresponding behavior tracks in the whiteboard file when detecting that the original behavior tracks in the whiteboard contents contained in the whiteboard file are deleted or modified in the process of reading the stored whiteboard file.
The invention also provides a computer readable storage medium, which is used for executing the file processing method of the electronic whiteboard.
Compared with the prior art, according to the file processing method and device for the electronic whiteboard and the computer-readable storage medium, the behavior tracks of the whiteboard file are stored in full and in incremental mode, and after a single whiteboard is used, the behavior tracks are stored in full as the whiteboard file; in the process of editing the whiteboard content or opening the whiteboard file again, when the action track is newly added, the incremental file is generated at the same time and used for storing the incremental elements at any time, so that the action track can be stored every time, and the thinking of a user is facilitated. Furthermore, after the whiteboard file is successfully stored, secondary reading is allowed, and after the whiteboard file is read out, not only forward playback or reverse playback is supported, but also re-editing of the whiteboard content, including addition, deletion and modification, is supported, so that the user experience quality is further improved.
Drawings
Fig. 1 is a block diagram of steps of a document processing method of an electronic whiteboard according to an embodiment of the present invention;
fig. 2 is a block diagram of a document processing apparatus of an electronic whiteboard according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a document processing method of an electronic whiteboard according to an embodiment of the present invention, including: step S1 to step S2.
The trace of each action is incrementally stored in step S1. Whenever a behavior trace is detected to be generated in the whiteboard content, the action, the vector diagram and the behavior timestamp of the behavior trace are stored as an increment element, wherein the behavior timestamp comprises a timestamp for starting to generate the behavior trace and a timestamp for ending the behavior trace.
For example, the process of drawing an arrow is taken as an incremental element, the incremental element may comprise a vector diagram of a straight line, the action is a generation process from the existence of the straight line to the absence of the straight line, and the action time stamp comprises a time stamp of the starting point of the straight line and a time stamp of the end of the straight line.
In step S2, the full amount is stored in the format of a whiteboard file. And when detecting that the content of the whiteboard does not change after a preset time period or detecting a signal for stopping whiteboard operation, storing all the increment elements of all the behavior tracks generated before in a whiteboard file format. The format of the whiteboard file includes, but is not limited to, the files in the formats of bbx, btx, etc.
Wherein the preset time period may be set to 2 to 8 minutes, preferably to 5 minutes.
In order to facilitate previewing and propagating the content of the whiteboard, in an embodiment, the method for processing the file of the electronic whiteboard further includes: whiteboard content is stored in a picture file format.
In an embodiment, the file processing method of the electronic whiteboard further includes playing back the whiteboard file when the whiteboard file is read again after the whiteboard file is stored. The mode of playback includes forward playback and/or reverse playback. Optionally, the current whiteboard canvas and the content elements may be stored as pictures at any time during the playing process of the playback.
And during the positive sequence playback, when a positive sequence playing signal is detected, sequentially displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks.
And during reverse playback, when a reverse playing signal is detected, sequentially displaying all the behavior tracks on the electronic whiteboard from back to front according to the timestamp generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file.
For example, if a circle is drawn on the whiteboard (increment element 1 is generated) and then an arrow is drawn (increment element 2 is generated), the entry is ended. At this time, the final state of the whiteboard canvas is a circle and an arrow, and the whiteboard canvas is played in a reverse order, wherein the first process is a generation process from only one circle to adding one arrow, and the second process is a process from the initial state of the whiteboard content to adding one circle.
Further, in an embodiment, the neglected time interval is used as a configuration item, which may be selected when the forward or reverse playback is selected, and if the configuration item is selected, the timestamp information of each element is neglected when the whiteboard canvas plays back the whiteboard content, so that the adjacent elements are played without a time interval during the playback.
Specifically, when a positive sequence playing signal is detected and an ignoring time interval signal is detected to be in an invalid state (an ignoring time interval configuration item is not checked), all behavior tracks are sequentially displayed on the electronic whiteboard from first to last according to the timestamp generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file, wherein the playing time interval between two adjacent behavior tracks is the difference between the timestamps generating the two behavior tracks.
When the operation signal is detected to be played in a positive sequence and the neglected time interval signal is detected to be in an effective state (the neglected time interval configuration item is selected), all the behavior tracks are sequentially and continuously displayed on the electronic whiteboard from first to last according to the timestamp generating the behavior tracks and the incremental element information of all the behavior tracks in the whiteboard file, wherein the playing time interval between every two adjacent behavior tracks is 0.
When the reverse playing signal is detected and the neglect time interval signal is detected to be in an invalid state, all the behavior tracks are sequentially displayed on the electronic whiteboard from back to first according to the incremental element information of all the behavior tracks in the whiteboard file and the timestamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is the difference of the timestamps for generating the two behavior tracks.
And when the reverse playing operation signal is detected and the neglect time interval signal is detected to be in an effective state, sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from back to front according to the incremental element information of all the behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between every two adjacent behavior tracks is 0.
Further, in an embodiment, the playing speed is used as a configuration item, which can be checked when the forward or reverse playback is selected, and if the configuration item is checked, the elements can be played at an accelerated speed when the whiteboard canvas plays back the whiteboard content.
In one embodiment, the file processing method further includes: in the process of reading the stored whiteboard file, whenever detecting that a behavior track is newly added to whiteboard content contained in the whiteboard file, taking the action, the vector diagram and the behavior timestamp of the newly added behavior track as an increment element, storing the increment element in the format of an increment file, and adding the increment element of the new behavior track to the total amount of the whiteboard file. Assuming that the stored whiteboard file is full 1, when the whiteboard file is read again, further adding operation can be continued to the whiteboard, at this time, as in the storing step of the whiteboard file, the full 1 can be used as an increment element 1, and further operation is regenerated into an increment element 2, an increment element 3 …, so that the original full 1 can be added and modified.
In one embodiment, the file processing method further includes: in the process of reading the stored whiteboard file, whenever it is detected that an original behavior track in whiteboard content contained in the whiteboard file is deleted or modified, an increment element of a corresponding behavior track is deleted or modified in the full-amount elements of the whiteboard file. For example, the full 1 is decomposed from the timestamp from the modification or deletion, the operation before the modification or deletion is taken as the delta element 1, and each operation for the modification or deletion is regenerated into the delta element 2, delta element 3 …, so that the delta element from any timestamp of the original full 1 can be modified.
Based on the same inventive concept, the invention also provides a computer-readable storage medium for executing the file processing method of any one of the above embodiments.
Based on the same inventive concept, the invention also provides a file processing device of the electronic whiteboard. As shown in fig. 2, in one embodiment, a document processing apparatus of an electronic whiteboard includes: increment element generation and storage module 11 and full storage module 12.
The incremental element generating and storing module 11 is configured to, when detecting that a behavior trace is generated in the whiteboard content once, store the action, the vector diagram, and the behavior timestamp of the behavior trace as an incremental element, where the behavior timestamp includes a timestamp for starting to generate the behavior trace and a timestamp for ending the behavior trace.
The full storage module 12 is coupled to the incremental element generation and storage module 11, and configured to store, as a full, the incremental elements of all the behavior traces generated before in the format of a whiteboard file when detecting that the content of the whiteboard has not changed after a preset time period or detecting a signal for stopping whiteboard operation.
In an embodiment, the file processing apparatus further includes a picture saving module, configured to store whiteboard content displayed on the electronic whiteboard canvas in a picture file format.
In one embodiment, the document processing apparatus further includes: and the first positive sequence playing module is used for sequentially displaying all the behavior tracks of the whiteboard content according to the sequence of the timestamps for generating the behavior tracks from first to last according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the positive sequence playing signal and the neglected time interval signal are in an invalid state, wherein the playing time interval between two adjacent behavior tracks is the difference of the timestamps for generating the two behavior tracks.
In one embodiment, the document processing apparatus further includes: and the second positive sequence playing module is used for sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file when the positive sequence playing operation signal is detected and the neglected time interval signal is detected to be in an effective state (the neglected time interval configuration item is selected), wherein the playing time interval between two adjacent behavior tracks is 0.
In one embodiment, the document processing apparatus further includes: and the first reverse playing module is used for sequentially displaying all the behavior tracks on the electronic whiteboard from back to front according to the time stamps for generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the reverse playing signal is detected and the neglected time interval signal is in an invalid state, wherein the playing time interval between two adjacent behavior tracks is the difference of the time stamps for generating the two behavior tracks.
In one embodiment, the document processing apparatus further includes: and the second reverse playing module is used for sequentially displaying all the behavior tracks on the electronic whiteboard from back to front according to the time stamps for generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the reverse playing signal is detected and the neglecting time interval signal is in an invalid state, wherein the playing time interval between two adjacent behavior tracks is 0.
In an embodiment, the file processing apparatus further includes a first whiteboard file operating module, configured to, in a process of reading a stored whiteboard file, when detecting that a behavior trace is newly added to whiteboard content included in the whiteboard file, use an action, a vector diagram, and a behavior timestamp of the newly added behavior trace as an increment element, store the increment element in a format of an increment file, and add the increment element of the new behavior trace to a total amount of the whiteboard file.
In an embodiment, the file processing apparatus further includes a second whiteboard file operating module, configured to delete or modify, in a total amount of the whiteboard file, an incremental element of a corresponding behavior trajectory when detecting that an original behavior trajectory in whiteboard content included in the whiteboard file is deleted or modified in a process of reading the stored whiteboard file.
In summary, according to the file processing method and apparatus for an electronic whiteboard and the computer-readable storage medium of the embodiment, the behavior tracks of the whiteboard file are stored in full and in increments, and after a single whiteboard usage is completed, the behavior tracks are stored in full as the whiteboard file; in the process of editing the whiteboard content or opening the whiteboard file again, when the action track is newly added, the incremental file is generated at the same time and used for storing the incremental elements at any time, so that the action track can be stored every time, and the thinking of a user is facilitated. Furthermore, after the whiteboard file is successfully stored, secondary reading is allowed, and after the whiteboard file is read out, not only forward playback or reverse playback is supported, but also re-editing of the whiteboard content, including addition, deletion and modification, is supported, so that the user experience quality is further improved.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. A file processing method of an electronic whiteboard is characterized by comprising the following steps:
whenever a behavior track is detected to be generated in the whiteboard content, storing the action, the vector diagram and the behavior timestamp of the behavior track as an increment element, wherein the behavior timestamp comprises a timestamp for starting to generate the behavior track and a timestamp for ending the behavior track; and
and when detecting that the content of the whiteboard does not change after a preset time period or detecting a signal for stopping whiteboard operation, storing all the increment elements of all the behavior tracks generated before in a whiteboard file format.
2. The document processing method of an electronic whiteboard of claim 1, further comprising:
whiteboard content is stored in a picture file format.
3. The document processing method of an electronic whiteboard of claim 1, further comprising:
when a positive sequence playing signal is detected and a neglected time interval signal is detected to be in an invalid state, sequentially displaying all behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is the difference of the time stamps for generating the two behavior tracks; and/or
And when the operation signal of positive sequence playing is detected and the signal of neglected time interval is detected to be in an effective state, sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is 0.
4. The document processing method of an electronic whiteboard of claim 1, further comprising:
when a reverse playing signal is detected and a neglected time interval signal is detected to be in an invalid state, sequentially displaying all behavior tracks on the electronic whiteboard from back to first according to the incremental element information of all behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between two adjacent behavior tracks is the difference of the time stamps for generating the two behavior tracks; and/or
And when the reverse playing operation signal is detected and the neglect time interval signal is detected to be in an effective state, sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from back to front according to the incremental element information of all the behavior tracks in the whiteboard file and the time stamps for generating the behavior tracks, wherein the playing time interval between every two adjacent behavior tracks is 0.
5. The document processing method of an electronic whiteboard of claim 1, further comprising:
in the process of reading the stored whiteboard file, whenever it is detected that an original behavior track in whiteboard content contained in the whiteboard file is deleted or modified, an increment element of a corresponding behavior track is deleted or modified in the whiteboard file.
6. A document processing apparatus of an electronic whiteboard, comprising:
the incremental element generating and storing module is used for storing the action, the vector diagram and the behavior timestamp of the primary behavior track as an incremental element when the primary behavior track is detected to be generated in the whiteboard content, wherein the behavior timestamp comprises a timestamp for starting to generate the behavior track and a timestamp for ending the behavior track; and
and the full storage module is coupled with the incremental element generation and storage module and is used for storing all the incremental elements of all the behavior tracks generated before in a whiteboard file format when detecting that the content of the whiteboard does not change after a preset time period or detecting a signal for stopping whiteboard operation.
7. The document processing apparatus of an electronic whiteboard of claim 6, further comprising:
the first positive sequence playing module is used for sequentially displaying all behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all behavior tracks in the whiteboard file when detecting a positive sequence playing signal and detecting that a neglected time interval signal is in an invalid state, wherein the playing time interval between two adjacent behavior tracks is the difference of the timestamps for generating the two behavior tracks; and/or
And the second positive sequence playing module is used for sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from first to last according to the incremental element information of all the behavior tracks in the whiteboard file and the sequence of timestamps for generating the behavior tracks when the positive sequence playing operation signal is detected and the neglected time interval signal is detected to be in an effective state, wherein the playing time interval between every two adjacent behavior tracks is 0.
8. The document processing apparatus of an electronic whiteboard of claim 6, further comprising:
the first reverse playing module is used for sequentially displaying all the behavior tracks on the electronic whiteboard from back to front according to the time stamps for generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file when detecting a reverse playing signal and detecting that the neglected time interval signal is in an invalid state, wherein the playing time interval between two adjacent behavior tracks is the difference of the time stamps for generating the two behavior tracks; and/or
And the second reverse playing module is used for sequentially and continuously displaying all the behavior tracks on the electronic whiteboard from back to front according to the time stamps for generating the behavior tracks according to the incremental element information of all the behavior tracks in the whiteboard file when detecting that the reverse playing operation signal is detected and the neglecting time interval signal is in an effective state, wherein the playing time interval between every two adjacent behavior tracks is 0.
9. The document processing apparatus of an electronic whiteboard of claim 6, further comprising:
and the whiteboard file modification module is used for deleting or modifying the increment elements of the corresponding behavior tracks in the whiteboard file when detecting that the original behavior tracks in the whiteboard contents contained in the whiteboard file are deleted or modified in the process of reading the stored whiteboard file.
10. A computer-readable storage medium for performing the file processing method of the electronic whiteboard according to any one of claims 1 to 5.
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| CN201911197018.4A CN110955355A (en) | 2019-11-29 | 2019-11-29 | File processing method and device of electronic whiteboard and computer-readable storage medium |
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| CN201911197018.4A CN110955355A (en) | 2019-11-29 | 2019-11-29 | File processing method and device of electronic whiteboard and computer-readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113779321A (en) * | 2021-09-06 | 2021-12-10 | 深圳创维数字技术有限公司 | Electronic whiteboard file saving method and device, electronic whiteboard and storage medium |
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| CN113779321B (en) * | 2021-09-06 | 2023-06-23 | 深圳创维数字技术有限公司 | Electronic whiteboard file storage method and device, electronic whiteboard and storage medium |
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