CN111352599A - Data processing method and device for remote whiteboard and electronic equipment - Google Patents
Data processing method and device for remote whiteboard and electronic equipment Download PDFInfo
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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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
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Abstract
The invention discloses a data processing method and device of a remote whiteboard and electronic equipment, wherein the data processing method comprises the following steps: executing writing operation to generate first handwriting object data; sending the first handwriting object data to a server, and sending the first handwriting object data to each electronic whiteboard by the server; receiving second handwriting object data sent by the server; the handwriting object data comprises handwriting attribute information; and analyzing the second handwriting object data, adjusting the handwriting attribute information according to an analysis result obtained by analyzing, and drawing and displaying the adjusted handwriting data. The invention can realize the effects of complete and accurate handwriting data, accurate erasure and high efficiency.
Description
Technical Field
The present invention relates to the field of remote interactive electronic whiteboard technologies, and in particular, to a method and an apparatus for processing data of a remote whiteboard, and an electronic device.
Background
At present, remote electronic whiteboards are widely applied to application scenes such as remote teaching and meetings, and can be used for writing, erasing and other operations by using electronic whiteboards distributed in different geographical positions, and operation contents can be synchronously displayed on each electronic whiteboard. In the actual operation process of the existing remote electronic whiteboard, the problems that writing data is partially lost and handwriting is invalid due to simultaneous erasure of multiple ends occur, and the writing mode is single.
Disclosure of Invention
In view of this, the present invention provides a method and an apparatus for processing data of a remote whiteboard, and an electronic device, which can achieve the effects of complete and accurate handwriting data, accurate erasure, and high efficiency.
Based on the above purpose, the present invention provides a data processing method for a remote whiteboard, comprising:
executing writing operation to generate first handwriting object data;
sending the first handwriting object data to a server, and sending the first handwriting object data to each electronic whiteboard by the server;
receiving second handwriting object data sent by the server; the handwriting object data comprises handwriting attribute information;
and analyzing the second handwriting object data, adjusting the handwriting attribute information according to an analysis result obtained by analyzing, and drawing and displaying the adjusted handwriting data.
Optionally, the data processing method further includes:
executing an erasing operation to generate first erasing object data;
and sending the first erasing object data to the server, and sending the first erasing object data to each electronic whiteboard by the server.
Receiving second erasing object data sent by the server; the second erasing object data comprises handwriting identification;
and analyzing the second erasing object data, and deleting the handwriting data corresponding to the handwriting identification according to the handwriting identification obtained by analysis.
Optionally, the first handwriting object data/second handwriting object data includes: user identification, handwriting attribute information and screen attribute information; the handwriting attribute information comprises state information, point coordinate position information, point color and line width, and the screen attribute information comprises screen resolution width and screen resolution height.
Optionally, the first handwriting object data/the second handwriting object data further includes a page identifier.
Optionally, the handwriting attribute information further includes handwriting mode information, and the handwriting mode information includes type information of a hard-tipped pen, a chalk, or a highlighter.
Optionally, the second handwriting object data is analyzed to obtain the screen attribute information, and a handwriting adjustment ratio is determined according to a proportional relation between the screen resolution width, the screen resolution height and the screen resolution of the second handwriting object data;
analyzing to obtain the handwriting attribute information, adjusting the point coordinate position information and the line width according to the handwriting adjusting proportion, and drawing and displaying the handwriting data according to the point color, the adjusted point coordinate position information and the adjusted line width.
Optionally, the second handwriting object data is analyzed to obtain the page identifier, and the adjusted handwriting data is displayed on the page corresponding to the page identifier.
Optionally, the second handwriting object data is analyzed to obtain type information of the hard pen, the chalk or the highlighter, the handwriting attribute information is adjusted according to an analysis result obtained by the analysis, and the hard pen handwriting data, the chalk handwriting data or the highlighter handwriting data are drawn and displayed.
Optionally, the first erasure object data/second erasure object data includes: and analyzing the second erasing object data to obtain the page identifier and the handwriting identifier, finding the page corresponding to the page identifier, and then deleting the handwriting data corresponding to the handwriting identifier.
An embodiment of the present invention further provides a data processing apparatus for a remote whiteboard, including:
the handwriting generating module is used for generating first handwriting object data when writing operation is executed;
the data transceiver module is used for sending the first handwriting object data to a server, and the server sends the first handwriting object data to each electronic whiteboard; receiving second handwriting object data sent by the server, wherein the handwriting object data comprises handwriting attribute information; (ii) a
And the handwriting processing module is used for analyzing the second handwriting object data, adjusting the handwriting attribute information according to an analysis result obtained by analysis processing, and drawing and displaying the adjusted handwriting data.
Optionally, the data processing apparatus further includes:
the handwriting generating module is used for generating first erasing object data when erasing operation is executed;
the data transceiver module is used for sending the first erasing object data to the server, and the server is used for sending the first erasing object data to each electronic whiteboard; receiving second erasing object data sent by the server, wherein the second erasing object data comprises handwriting identification;
and the handwriting processing module is used for analyzing the second erasing object data and deleting the handwriting data corresponding to the handwriting identification according to the analyzed handwriting identification.
Optionally, the first handwriting object data/second handwriting object data includes: user identification, handwriting attribute information and screen attribute information; the handwriting attribute information comprises state information, point coordinate position information, point color and line width, and the screen attribute information comprises screen resolution width and screen resolution height.
Optionally, the first handwriting object data/the second handwriting object data further includes a page identifier.
Optionally, the handwriting attribute information further includes handwriting mode information, and the handwriting mode information includes type information of a hard-tipped pen, a chalk, or a highlighter.
Optionally, the handwriting processing module analyzes the second handwriting object data to obtain the screen attribute information, and determines a handwriting adjustment ratio according to a proportional relation between the screen resolution width, the screen resolution height and the screen resolution of the handwriting processing module;
analyzing to obtain the handwriting attribute information, adjusting the point coordinate position information and the line width according to the handwriting adjusting proportion, and drawing and displaying the handwriting data according to the point color, the adjusted point coordinate position information and the adjusted line width.
Optionally, the handwriting processing module analyzes the second handwriting object data to obtain the page identifier, and displays the adjusted handwriting data on a page corresponding to the page identifier.
Optionally, the handwriting processing module analyzes the second handwriting object data to obtain type information of the hard pen, the chalk or the highlighter, adjusts the handwriting attribute information according to an analysis result obtained by analyzing, and draws and displays the hard pen handwriting data, the chalk handwriting data or the highlighter handwriting data.
Optionally, the first erasure object data/second erasure object data includes: and analyzing the second erasing object data to obtain the page identifier and the handwriting identifier, finding the page corresponding to the page identifier, and then deleting the handwriting data corresponding to the handwriting identifier.
An embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and is characterized in that the processor implements the method when executing the program.
As can be seen from the above, the data processing method and apparatus for a remote whiteboard and the electronic device provided by the present invention execute a writing operation to generate first handwriting object data, send the first handwriting object data to each electronic whiteboard through a server, perform parsing and adjustment processing on second handwriting object data received from the server, and draw and display the adjusted handwriting data; and for the erasing operation, deleting the corresponding handwriting data integrally according to the handwriting identification. The invention can realize the effects of complete and accurate handwriting data writing, accurate and efficient erasing, and can realize the synchronous writing effect of a hard pen/chalk/highlighter of the multi-terminal electronic whiteboard.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method according to another embodiment of the present invention;
FIG. 3 is a block diagram of an apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a remote whiteboard system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
Fig. 1 is a schematic flowchart of a method according to an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a remote whiteboard system according to an embodiment of the present invention. As shown in the figure, the data processing method of the remote whiteboard provided in the embodiment of the present invention is applied to a remote interactive whiteboard, where a multi-terminal whiteboard located in different geographic locations accesses a server, and can implement an interactive function of the multi-terminal whiteboard, and for a writing operation, the data processing method includes:
s10: executing writing operation to generate first handwriting object data;
the first trace object data includes: user identification, handwriting attribute information, screen attribute information, and the like. The user identification is the unique identification number of the electronic whiteboard, the handwriting identification is the identification number of the current handwriting, and the handwriting identification can be dynamically generated when writing operation is executed; the handwriting attribute information includes state information (press/move/lift), point coordinate position information, point color, line width, etc., and the screen attribute information includes screen resolution width, screen resolution height, etc.
In the embodiment of the invention, the first handwriting object data further comprises a page identifier for indicating that the handwriting corresponding to the handwriting object data is displayed on the page corresponding to the page identifier, namely, the invention supports a multi-page writing function.
In the embodiment of the invention, the handwriting attribute information further comprises handwriting mode information, and the handwriting mode information comprises type information for marking the handwriting mode, such as hard pens, chalks, fluorescent pens and the like.
S11: sending the first handwriting object data to a server, and broadcasting the first handwriting object data to each electronic whiteboard by the server;
the electronic whiteboard executes writing operation, in the writing operation process, state information and handwriting attribute information are detected, when the state information is lifted, handwriting identification is dynamically generated, according to the state information and the handwriting attribute information, data including user identification, the handwriting attribute information, screen attribute information and the like are packaged into first handwriting object data in a json data format, the first handwriting object data are sent to a server, and the received first handwriting object data are broadcasted to other electronic whiteboards in a network by the server.
S12: receiving second handwriting object data sent by the server;
the second handwriting object data comprises: user identification, handwriting attribute information, screen attribute information, and the like. The user identification is the unique identification number of the electronic whiteboard, the handwriting identification is the identification number of the current handwriting, and the handwriting identification can be dynamically generated when writing operation is executed; the handwriting attribute information includes state information (press/move/lift), point coordinate position information, point color, line width, etc., and the screen attribute information includes screen resolution width, screen resolution height, etc.
In the embodiment of the present invention, the second handwriting object data further includes a page identifier for indicating that the handwriting corresponding to the handwriting object data is displayed on the page corresponding to the page identifier, that is, the present invention supports a multi-page writing function.
In the embodiment of the invention, the handwriting attribute information further comprises handwriting mode information, and the handwriting mode information comprises type information for marking the handwriting mode, such as hard pens, chalks, fluorescent pens and the like.
S13: and analyzing the second handwriting object data, adjusting the handwriting attribute information according to an analysis result obtained by analyzing, and drawing and displaying the adjusted handwriting data.
The electronic whiteboard receives second handwriting object data generated by the writing operation executed by other electronic whiteboards through the server, and analyzes the second handwriting object data, and the method specifically comprises the following steps:
analyzing to obtain screen attribute information, and determining a handwriting adjustment ratio according to the proportional relation between the screen resolution width, the screen resolution height and the self screen resolution;
analyzing to obtain handwriting attribute information, adjusting the point coordinate position information and the line width according to the handwriting adjustment proportion, and drawing and displaying handwriting data according to the point color, the adjusted point coordinate position information and the adjusted line width.
In the embodiment of the invention, if the second handwriting object data comprises the page identifier, the adjusted handwriting data is displayed on the page corresponding to the page identifier.
In the embodiment of the present invention, if the handwriting attribute information includes handwriting mode information, displaying handwriting data according to the handwriting mode information, specifically including:
analyzing to obtain screen attribute information, and determining a handwriting adjustment ratio according to the proportional relation between the screen resolution width, the screen resolution height and the self screen resolution;
analyzing to obtain handwriting attribute information, and adjusting point coordinate position information and line width according to a handwriting adjustment proportion;
if the handwriting mode information is the hard pen, drawing the hard pen effect points with the point colors by taking the adjusted point coordinate position as the circle center and the preset hard pen effect radius as the radius, and drawing the hard pen handwriting data;
if the handwriting mode information is chalk, drawing chalk effect points with point colors by taking the adjusted point coordinate position as a circle center and a preset chalk effect radius as a radius, wherein the chalk effect points comprise a plurality of discrete point data, and drawing chalk handwriting data;
and if the handwriting mode information is the fluorescent pen, performing fluorescence processing on the point color by taking the adjusted point coordinate position as the center of a circle, drawing fluorescent effect points with a fluorescent effect, and drawing handwriting data of the fluorescent pen.
In the embodiment of the invention, if the second handwriting object data comprises the page identification and the handwriting mode information, the adjusted hard pen handwriting data/chalk handwriting data/fluorescent pen handwriting data are displayed on the page corresponding to the page identification.
FIG. 2 is a schematic flow chart of a method according to another embodiment of the present invention. As shown in the figure, for the erasing operation, the data processing method of the embodiment of the present invention includes:
s20: executing an erasing operation to generate first erasing object data;
the first erasure object data includes: user identification, handwriting identification, and may also include page identification.
S21: and sending the first erasing object data to a server, and broadcasting the first erasing object data to each electronic whiteboard by the server.
The electronic whiteboard executes erasing operation, the erasing operation is completed, data including user identification, handwriting identification and other information are packaged into first erasing object data in a json data format, the first erasing object data are sent to the server, and the server broadcasts the received first erasing object data to other electronic whiteboards in the network.
S22: receiving second erasing object data sent by the server;
the second erasure object data includes: user identification, handwriting identification, and may also include page identification.
S23: and analyzing the second erasing object data, and deleting the handwriting data corresponding to the handwriting identification according to the analyzed handwriting identification.
And the electronic whiteboard receives second erasing object data generated by the other electronic whiteboards executing the erasing operation through the server, analyzes the second handwriting object data to obtain handwriting identification, and deletes the handwriting data corresponding to the handwriting identification. If the second erasing object data comprises the page identification, finding the page corresponding to the page identification, and then deleting the handwriting data corresponding to the handwriting identification. The embodiment of the invention integrally deletes the handwriting data corresponding to the handwriting identification according to the handwriting identification, thereby avoiding the problem of erasing errors caused by erasing the same handwriting by different users.
Fig. 3 is a block diagram of an apparatus according to an embodiment of the present invention. As shown in the drawings, the data processing apparatus of a remote whiteboard provided in the embodiment of the present invention is applied to a remote interactive whiteboard, where a multi-terminal whiteboard located in different geographic locations accesses a server, and an interactive function of the multi-terminal whiteboard can be implemented, and the data processing apparatus includes:
the handwriting generating module is used for generating first handwriting object data when writing operation is executed;
the data transceiver module is used for sending the first handwriting object data to the server, and the server broadcasts the first handwriting object data to each electronic whiteboard; receiving second handwriting object data sent by the server;
and the handwriting processing module is used for analyzing the second handwriting object data, adjusting the handwriting attribute information according to the analysis result obtained by analysis, and drawing and displaying the adjusted handwriting data.
In an embodiment of the present invention, the first trace object data includes: user identification, handwriting attribute information, screen attribute information, and the like. The user identification is the unique identification number of the electronic whiteboard, the handwriting identification is the identification number of the current handwriting, and the handwriting identification can be dynamically generated when writing operation is executed; the handwriting attribute information includes state information (press/move/lift), point coordinate position information, point color, line width, etc., and the screen attribute information includes screen resolution width, screen resolution height, etc.
In the embodiment of the invention, the first handwriting object data further comprises a page identifier for indicating that the handwriting corresponding to the handwriting object data is displayed on the page corresponding to the page identifier, namely, the invention supports a multi-page writing function.
In the embodiment of the invention, the handwriting attribute information further comprises handwriting mode information, and the handwriting mode information comprises type information for marking the handwriting mode, such as hard pens, chalks, fluorescent pens and the like.
The electronic whiteboard executes writing operation, in the writing operation process, state information and handwriting attribute information are detected, when the state information is lifted, a handwriting generating module dynamically generates handwriting identification, data including user identification, the handwriting attribute information, screen attribute information and the like are packaged into first handwriting object data in a json data format according to the state information and the handwriting attribute information, the first handwriting object data are sent to a server through a data receiving and sending module, and the server broadcasts the received first handwriting object data to other electronic whiteboards in a network.
The electronic whiteboard receives second handwriting object data generated by the writing operation executed by other electronic whiteboards through the server, and the second handwriting object data is analyzed by the handwriting processing module, and the method specifically comprises the following steps:
analyzing to obtain screen attribute information, and determining a handwriting adjustment ratio according to the proportional relation between the screen resolution width, the screen resolution height and the self screen resolution;
analyzing to obtain handwriting attribute information, adjusting the point coordinate position information and the line width according to the handwriting adjustment proportion, and drawing and displaying handwriting data according to the point color, the adjusted point coordinate position information and the adjusted line width.
In the embodiment of the invention, if the second handwriting object data comprises the page identifier, the adjusted handwriting data is displayed on the page corresponding to the page identifier.
In the embodiment of the present invention, if the handwriting attribute information includes handwriting mode information, displaying handwriting data according to the handwriting mode information, specifically including:
analyzing to obtain screen attribute information, and determining a handwriting adjustment ratio according to the proportional relation between the screen resolution width, the screen resolution height and the self screen resolution;
analyzing to obtain handwriting attribute information, and adjusting point coordinate position information and line width according to a handwriting adjustment proportion;
if the handwriting mode information is the hard pen, drawing the hard pen effect points with the point colors by taking the adjusted point coordinate position as the circle center and the preset hard pen effect radius as the radius, and drawing the hard pen handwriting data;
if the handwriting mode information is chalk, drawing chalk effect points with point colors by taking the adjusted point coordinate position as a circle center and a preset chalk effect radius as a radius, wherein the chalk effect points comprise a plurality of discrete point data, and drawing chalk handwriting data;
and if the handwriting mode information is the fluorescent pen, performing fluorescence processing on the point color by taking the adjusted point coordinate position as the center of a circle, drawing fluorescent effect points with a fluorescent effect, and drawing handwriting data of the fluorescent pen.
In the embodiment of the invention, if the second handwriting object data comprises the page identification and the handwriting mode information, the adjusted hard pen handwriting data/chalk handwriting data/fluorescent pen handwriting data are displayed on the page corresponding to the page identification.
The data processing apparatus further includes:
the handwriting generating module is used for generating first erasing object data when erasing operation is executed;
the data transceiver module is used for sending the first erasing object data to the server, and the server broadcasts the first erasing object data to each electronic whiteboard; receiving second erasing object data sent by the server;
and the handwriting processing module is used for analyzing the second erasing object data and deleting the handwriting data corresponding to the handwriting identification according to the analyzed handwriting identification.
The first erasure object data includes: user identification, handwriting identification, and may also include page identification.
The electronic whiteboard executes erasing operation, the erasing operation is completed, data including user identification, handwriting identification and other information are packaged into first erasing object data in a json data format, the first erasing object data are sent to the server through the data receiving and sending module, and the server broadcasts the received first erasing object data to other electronic whiteboards in the network.
And the electronic whiteboard receives second erasing object data generated by the other electronic whiteboards executing the erasing operation through the server, analyzes the second handwriting object data to obtain handwriting identification, and deletes the handwriting data corresponding to the handwriting identification. If the second erasing object data comprises the page identification, finding the page corresponding to the page identification, and then deleting the handwriting data corresponding to the handwriting identification. The embodiment of the invention integrally deletes the handwriting data corresponding to the handwriting identification according to the handwriting identification, thereby avoiding the problem of erasing errors caused by erasing the same handwriting by different users.
Based on the above object, an embodiment of the present invention further provides an apparatus for executing the data processing method of the remote whiteboard. The device comprises:
one or more processors, and a memory.
The apparatus for performing the data processing method of the remote whiteboard may further include: an input device and an output device.
The processor, memory, input device, and output device may be connected by a bus or other means.
The memory, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the data processing method of the remote whiteboard in the embodiments of the present invention. The processor executes various functional applications of the server and data processing by running the nonvolatile software programs, instructions and modules stored in the memory, that is, the data processing method of the remote whiteboard of the above-described method embodiment is realized.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of an apparatus that performs the data processing method of the remote whiteboard, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory optionally includes memory remotely located from the processor, and these remote memories may be connected to the member user behavior monitoring device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device may receive input numeric or character information and generate key signal inputs related to user settings and function control of the device performing the data processing method of the remote whiteboard. The output device may include a display device such as a display screen.
The one or more modules are stored in the memory and, when executed by the one or more processors, perform the data processing method of the remote whiteboard of any of the above-described method embodiments. The technical effect of the embodiment of the device for executing the data processing method of the remote whiteboard is the same as or similar to that of any method embodiment.
The embodiment of the invention also provides a non-transitory computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the processing method of the list item operation in any method embodiment. Embodiments of the non-transitory computer storage medium may be the same or similar in technical effect to any of the method embodiments described above.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes in the methods of the above embodiments may be implemented by a computer program that can be stored in a computer-readable storage medium and that, when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like. The technical effect of the embodiment of the computer program is the same as or similar to that of any of the method embodiments described above.
Furthermore, the apparatuses, devices, etc. described in the present disclosure may be various electronic terminal devices, such as a mobile phone, a Personal Digital Assistant (PDA), a tablet computer (PAD), a smart television, etc., and may also be large terminal devices, such as a server, etc., and therefore the scope of protection of the present disclosure should not be limited to a specific type of apparatus, device. The client disclosed by the present disclosure may be applied to any one of the above electronic terminal devices in the form of electronic hardware, computer software, or a combination of both.
Furthermore, the method according to the present disclosure may also be implemented as a computer program executed by a CPU, which may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method of the present disclosure.
Further, the above method steps and system elements may also be implemented using a controller and a computer readable storage medium for storing a computer program for causing the controller to implement the functions of the above steps or elements.
Further, it should be appreciated that the computer-readable storage media (e.g., memory) described herein can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. By way of example, and not limitation, nonvolatile memory can include Read Only Memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which can act as external cache memory. By way of example and not limitation, RAM is available in a variety of forms such as synchronous RAM (DRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The storage devices of the disclosed aspects are intended to comprise, without being limited to, these and other suitable types of memory.
The apparatus of the foregoing embodiment is used to implement the corresponding method in the foregoing embodiment, and has the beneficial effects of the corresponding method embodiment, which are not described herein again.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (19)
1. A data processing method of a remote whiteboard is characterized by comprising the following steps:
executing writing operation to generate first handwriting object data;
sending the first handwriting object data to a server, and sending the first handwriting object data to each electronic whiteboard by the server;
receiving second handwriting object data sent by the server; the handwriting object data comprises handwriting attribute information;
and analyzing the second handwriting object data, adjusting the handwriting attribute information according to an analysis result obtained by analyzing, and drawing and displaying the adjusted handwriting data.
2. The data processing method of claim 1, further comprising:
executing an erasing operation to generate first erasing object data;
and sending the first erasing object data to the server, and sending the first erasing object data to each electronic whiteboard by the server.
Receiving second erasing object data sent by the server; the second erasing object data comprises handwriting identification;
and analyzing the second erasing object data, and deleting the handwriting data corresponding to the handwriting identification according to the handwriting identification obtained by analysis.
3. The data processing method of claim 1,
the first handwriting object data/second handwriting object data comprises: user identification, handwriting attribute information and screen attribute information; the handwriting attribute information comprises state information, point coordinate position information, point color and line width, and the screen attribute information comprises screen resolution width and screen resolution height.
4. A data processing method according to claim 3, wherein the first/second handwriting object data further comprises a page identity.
5. A data processing method as claimed in claim 3, wherein the handwriting attribute information further comprises handwriting mode information, the handwriting mode information comprising type information of a hard-tipped pen or a chalk or a highlighter.
6. The data processing method of claim 3,
analyzing the second handwriting object data to obtain the screen attribute information, and determining a handwriting adjustment proportion according to the proportional relation between the screen resolution width, the screen resolution height and the self screen resolution;
analyzing to obtain the handwriting attribute information, adjusting the point coordinate position information and the line width according to the handwriting adjusting proportion, and drawing and displaying the handwriting data according to the point color, the adjusted point coordinate position information and the adjusted line width.
7. The data processing method according to claim 4, wherein the second handwriting object data is parsed to obtain the page identifier, and the adjusted handwriting data is displayed on a page corresponding to the page identifier.
8. The data processing method according to claim 5, wherein the second handwriting object data is analyzed to obtain type information of a hard-tipped pen, chalk or a highlighter, the handwriting attribute information is adjusted according to an analysis result obtained by the analysis, and the hard-tipped pen handwriting data, the chalk handwriting data or the highlighter handwriting data is drawn and displayed.
9. The data processing method according to claim 2, wherein the first erasure object data/second erasure object data includes: and analyzing the second erasing object data to obtain the page identifier and the handwriting identifier, finding the page corresponding to the page identifier, and then deleting the handwriting data corresponding to the handwriting identifier.
10. A data processing apparatus of a remote whiteboard, comprising:
the handwriting generating module is used for generating first handwriting object data when writing operation is executed;
the data transceiver module is used for sending the first handwriting object data to a server, and the server sends the first handwriting object data to each electronic whiteboard; receiving second handwriting object data sent by the server, wherein the handwriting object data comprises handwriting attribute information; (ii) a
And the handwriting processing module is used for analyzing the second handwriting object data, adjusting the handwriting attribute information according to an analysis result obtained by analysis processing, and drawing and displaying the adjusted handwriting data.
11. The data processing apparatus of claim 10, further comprising:
the handwriting generating module is used for generating first erasing object data when erasing operation is executed;
the data transceiver module is used for sending the first erasing object data to the server, and the server is used for sending the first erasing object data to each electronic whiteboard; receiving second erasing object data sent by the server, wherein the second erasing object data comprises handwriting identification;
and the handwriting processing module is used for analyzing the second erasing object data and deleting the handwriting data corresponding to the handwriting identification according to the analyzed handwriting identification.
12. The data processing apparatus of claim 10,
the first handwriting object data/second handwriting object data comprises: user identification, handwriting attribute information and screen attribute information; the handwriting attribute information comprises state information, point coordinate position information, point color and line width, and the screen attribute information comprises screen resolution width and screen resolution height.
13. A data processing apparatus according to claim 12, wherein the first/second handwriting object data further comprises a page identification.
14. The data processing apparatus of claim 12, wherein the handwriting attribute information further comprises handwriting mode information, the handwriting mode information comprising type information of a hard-tipped pen or a chalk or a highlighter.
15. The data processing apparatus of claim 12,
the handwriting processing module analyzes the second handwriting object data to obtain the screen attribute information, and determines a handwriting adjustment proportion according to the proportional relation between the screen resolution width, the screen resolution height and the self screen resolution;
analyzing to obtain the handwriting attribute information, adjusting the point coordinate position information and the line width according to the handwriting adjusting proportion, and drawing and displaying the handwriting data according to the point color, the adjusted point coordinate position information and the adjusted line width.
16. The data processing apparatus according to claim 13, wherein the handwriting processing module parses the second handwriting object data to obtain the page identifier, and displays the adjusted handwriting data on a page corresponding to the page identifier.
17. The data processing device according to claim 14, wherein the handwriting processing module analyzes the second handwriting object data to obtain type information of a hard pen, chalk or a highlighter, adjusts the handwriting attribute information according to an analysis result obtained by the analysis processing, and draws and displays the hard pen handwriting data, the chalk handwriting data or the highlighter handwriting data.
18. The data processing apparatus according to claim 11, wherein the first erasure object data/second erasure object data includes: and analyzing the second erasing object data to obtain the page identifier and the handwriting identifier, finding the page corresponding to the page identifier, and then deleting the handwriting data corresponding to the handwriting identifier.
19. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 9 when executing the program.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112711374A (en) * | 2020-12-31 | 2021-04-27 | 安徽听见科技有限公司 | Multi-terminal cooperation method, device and equipment based on conference whiteboard application |
| CN113419693A (en) * | 2021-05-17 | 2021-09-21 | 广州佰锐网络科技有限公司 | Multi-user track synchronous display method and system |
| CN114253409A (en) * | 2021-11-22 | 2022-03-29 | 安徽听见科技有限公司 | Control method, control management system, communication interface and cooperative control system |
| CN115134318A (en) * | 2022-06-16 | 2022-09-30 | 王蕾茜 | Application program and chatting method capable of realizing synchronous same-screen real-time hand drawing by user |
| WO2023070334A1 (en) * | 2021-10-26 | 2023-05-04 | 京东方科技集团股份有限公司 | Handwriting input display method and apparatus, and computer-readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916174A (en) * | 2010-06-28 | 2010-12-15 | 汉王科技股份有限公司 | Display method and device thereof, treatment method and device thereof for electronic document handwriting |
| US20160062634A1 (en) * | 2014-09-03 | 2016-03-03 | Kabushiki Kaisha Toshiba | Electronic device and method for processing handwriting |
| CN106155607A (en) * | 2015-04-08 | 2016-11-23 | 北京壹人壹本信息科技有限公司 | A kind of former person's handwriting multi-screen adaptation method, system and equipment |
| CN108881227A (en) * | 2018-06-19 | 2018-11-23 | 广州视源电子科技股份有限公司 | The method of controlling operation thereof and device of remote white boarding system, remote white boarding system |
| CN109032390A (en) * | 2018-08-01 | 2018-12-18 | 广州视源电子科技股份有限公司 | Handwriting data caching method, device, equipment and storage medium |
-
2019
- 2019-05-07 CN CN201910376757.3A patent/CN111352599A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916174A (en) * | 2010-06-28 | 2010-12-15 | 汉王科技股份有限公司 | Display method and device thereof, treatment method and device thereof for electronic document handwriting |
| US20160062634A1 (en) * | 2014-09-03 | 2016-03-03 | Kabushiki Kaisha Toshiba | Electronic device and method for processing handwriting |
| CN106155607A (en) * | 2015-04-08 | 2016-11-23 | 北京壹人壹本信息科技有限公司 | A kind of former person's handwriting multi-screen adaptation method, system and equipment |
| CN108881227A (en) * | 2018-06-19 | 2018-11-23 | 广州视源电子科技股份有限公司 | The method of controlling operation thereof and device of remote white boarding system, remote white boarding system |
| CN109032390A (en) * | 2018-08-01 | 2018-12-18 | 广州视源电子科技股份有限公司 | Handwriting data caching method, device, equipment and storage medium |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112711374A (en) * | 2020-12-31 | 2021-04-27 | 安徽听见科技有限公司 | Multi-terminal cooperation method, device and equipment based on conference whiteboard application |
| CN113419693A (en) * | 2021-05-17 | 2021-09-21 | 广州佰锐网络科技有限公司 | Multi-user track synchronous display method and system |
| WO2023070334A1 (en) * | 2021-10-26 | 2023-05-04 | 京东方科技集团股份有限公司 | Handwriting input display method and apparatus, and computer-readable storage medium |
| CN114253409A (en) * | 2021-11-22 | 2022-03-29 | 安徽听见科技有限公司 | Control method, control management system, communication interface and cooperative control system |
| CN115134318A (en) * | 2022-06-16 | 2022-09-30 | 王蕾茜 | Application program and chatting method capable of realizing synchronous same-screen real-time hand drawing by user |
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