CN109144382B - Handwriting display method and device based on dual systems, terminal equipment and storage medium - Google Patents
Handwriting display method and device based on dual systems, terminal equipment and storage medium Download PDFInfo
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- CN109144382B CN109144382B CN201810754661.1A CN201810754661A CN109144382B CN 109144382 B CN109144382 B CN 109144382B CN 201810754661 A CN201810754661 A CN 201810754661A CN 109144382 B CN109144382 B CN 109144382B
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
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Abstract
The invention discloses a handwriting display method, a handwriting display device, terminal equipment and a storage medium based on a dual system, wherein the method comprises the following steps: when detecting that the writing software positioned at the first system is started, starting a transparent writing layer positioned at the second system; generating writing data from the detected touch events on the touch-sensitive surface; according to the handwriting data, synchronously performing handwriting drawing on a transparent writing layer of a second system to form a first handwriting corresponding to the touch event on the transparent writing layer; when the touch event is detected to be finished, writing drawing is carried out on a current interface of writing software of the first system according to the writing data so as to form second writing on the current interface, the first writing corresponding to the second writing is removed, the writing is accelerated to be displayed under the condition that the display interface is not stopped to be refreshed, and meanwhile, the use of other normal functions is not influenced.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a handwriting display method and device based on a dual system, a terminal device and a storage medium.
Background
At present, there are intelligent terminal devices with dual systems in the market, wherein one system serves as a main system to perform a primary function operation, and the other system serves as an auxiliary system to perform some secondary function operations and assist the main system to complete a functional operation.
In an electronic device with a touch-sensitive screen based on a dual system, when a user writes through the touch-sensitive screen, writing software of an auxiliary system writes, writing handwriting formed on the auxiliary system needs to be transmitted to a main system through an HDMI (High Definition Multimedia Interface) for processing and displaying, a certain time delay is caused in a transmission process and a decoding process, and due to the fact that the writing handwriting is limited by the delay between picture display between the auxiliary system and the main system, a whiteboard has a great delay after being displayed during writing, and the visual effect is that the written head of a note cannot be written quickly along with a hand, a great distance always exists between the handwriting and the hand, and user experience is not good.
In order to improve the problem, the method is implemented by realizing double writing of a main system and an auxiliary system, the two systems draw handwriting content at the same time, and in order to realize the highest possible speed, controlling a display mode (namely displaying the screenshot) for screenshot on the auxiliary system without refreshing a picture, thereby reducing the time for writing and drawing notes of the auxiliary system so as to achieve the purpose of writing acceleration, but in the process of implementing the invention, the inventor discovers some problems: due to the display mode of the auxiliary system, the auxiliary system only updates writing handwriting without refreshing other functions on the auxiliary system when writing, the use of certain normal logic functions on the auxiliary system, such as video functions, real-time voice interaction and other functions, is influenced, the use experience of a user is reduced, the phenomenon that two kinds of handwriting are displayed due to the fact that the writing handwriting on the main system and the writing handwriting on the auxiliary system are inconsistent under a special scene can occur due to the adoption of double-system double-writing, the handwriting of the main system can be erased only after the user stops writing, the phenomenon that the two kinds of handwriting occur is eliminated, the handwriting is easy to perceive, and the user experience is poor.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a handwriting display method, apparatus, terminal device and storage medium based on dual systems, which can accelerate the display of handwriting and simultaneously do not affect the use of other normal functions.
In a first aspect, an embodiment of the present invention provides a handwriting display method based on a dual system, including:
when detecting that the writing software positioned at the first system is started, starting a transparent writing layer positioned at the second system;
generating writing data from the detected touch events on the touch-sensitive surface;
according to the handwriting data, synchronously performing handwriting drawing on a transparent writing layer of the second system to form a first handwriting corresponding to the touch event on the transparent writing layer;
when the touch event is detected to be finished, writing drawing is carried out on a current interface of writing software of the first system according to the writing data so as to form second writing on the current interface, and the first writing corresponding to the second writing is removed.
In a first implementation manner of the first aspect, the transparent writing layer is overlaid on a current interface of the writing software.
In a second implementation manner of the first aspect, when a touch-up operation corresponding to the touch event is detected, the touch event is determined to be ended.
In a third implementation manner of the first aspect, when a touch up operation corresponding to the touch event is detected and a touch down operation is not detected within a preset time after the touch up operation, it is determined that the touch event is ended.
In a fourth implementation form of the first aspect, before the generating handwriting data according to the detected touch event on the touch-sensitive surface, the method further includes:
acquiring the writing handwriting drawing attribute set in the writing software; the handwriting drawing attributes at least comprise any one or more of handwriting line thickness, color, font style and handwriting effect setting of the handwriting;
and then, according to the handwriting data, synchronously performing handwriting drawing on a transparent writing layer of the second system to form a first handwriting corresponding to the touch event on the transparent writing layer, specifically:
and rendering according to the handwriting drawing attribute and the handwriting data so as to form a first handwriting corresponding to the touch event on the transparent writing layer.
According to any one of the foregoing implementation manners of the first aspect, in a fifth implementation manner of the first aspect, the second system is a main system, and the first system is an auxiliary system.
According to a fifth implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the method further includes:
when the closing operation of the writing software located in the first system is detected, closing the transparent writing layer located in the second system.
In a second aspect, an embodiment of the present invention provides a handwriting display device based on a dual system, including:
the transparent writing layer starting module is used for starting the transparent writing layer positioned in the second system when the writing software positioned in the first system is detected to be started;
a handwriting generation module for generating handwriting data from detected touch events on the touch-sensitive surface;
the first handwriting drawing module is used for synchronously drawing handwriting on a transparent writing layer of the second system according to the writing handwriting data so as to form first handwriting corresponding to the touch event on the transparent writing layer;
and the second handwriting drawing module is used for drawing handwriting on the current interface of the writing software of the first system according to the writing handwriting data when the touch event is detected to be finished so as to form second handwriting on the current interface and clear the first handwriting corresponding to the second handwriting.
In a third aspect, an embodiment of the present invention provides a dual-system-based handwriting display terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements the dual-system-based handwriting display method described in any one of the above when executing the computer program.
In a fourth aspect, the embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where, when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the dual-system-based handwriting display method described in any one of the above.
The embodiment of the invention provides a handwriting display method, a handwriting display device, terminal equipment and a storage medium based on a dual system, and the embodiment of the invention has the following beneficial effects:
the method comprises the steps of starting a transparent writing layer located in a second system while writing software of a first system is started, generating writing handwriting data according to a detected touch event on a touch-sensitive surface, synchronously drawing handwriting on the writing layer, and finally, when the touch event is detected to be finished, drawing handwriting on a current interface of the writing software of the first system according to the writing handwriting data, and clearing the writing handwriting drawn on the writing layer according to the writing handwriting data, so that the writing handwriting is synchronously drawn on a writing board of the second system when a user writes without stopping refreshing a display interface, and is drawn on the writing software of the first system when the user finishes writing, the phenomenon that the display of the writing software of the first system is delayed is solved, the display of the writing handwriting is accelerated, and a phenomenon that the handwriting follows hands of the user in visual effect is given, meanwhile, normal use of other logic functions on the first system is not influenced, compatibility of the system is improved, the requirements of users are met, use experience of the users is improved, and due to the fact that the first system only conducts drawing and displaying of the final handwriting after the touch event of the users is finished, performance of the first system is not consumed in the writing process of the users, and application running efficiency of the first system is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a handwriting display method based on dual systems according to a first embodiment of the present invention.
FIG. 2 is a diagram illustrating a first embodiment of the present invention providing a synchronized display of the user's handwriting on the transparent writing layer of the second system while writing.
Fig. 3 is a schematic diagram of the first embodiment of the present invention providing that the user performs handwriting display on the writing software of the first system after finishing writing.
FIG. 4 is a schematic diagram of a handwriting display device based on dual system according to a sixth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a first embodiment of the present invention provides a handwriting display method based on dual systems, which can be executed by a terminal device and includes:
and S11, when the writing software located in the first system is detected to be started, starting the transparent writing layer located in the second system.
In the embodiment of the present invention, the terminal device may be a desktop computer, a notebook, a palm computer, a mobile terminal, an intelligent tablet, and other computing devices. Particularly, the terminal device is a large-screen intelligent tablet, and can be used for carrying out an electronic conference or an academic report meeting and the like, and the presentation of contents such as conference contents or academic schemes and the like is carried out on the large-screen intelligent tablet or the function of the large-screen intelligent tablet assists a speaker to explain the contents.
In the embodiment of the present invention, the second system is a primary system, the first system is an auxiliary system, the second system may be an android system, an IOS system, or a Windows system, and the first system may also be an android system, an IOS system, or a Windows system. In the existing scheme, when the terminal device is used for drawing handwriting on the writing software of the first system according to the writing operation of the user, the display process of the handwriting needs to pass through an HMDI (high-resolution digital interface) code, and coded data is transmitted to the second system, and the process of displaying after HDMI decoding causes the delay of handwriting display.
S12, handwriting data is generated from the detected touch event on the touch-sensitive surface.
In the embodiment of the present invention, the terminal device detects a touch event on a touch-sensitive surface, it should be noted that the touch event is transmitted to the second system and the first system at the same time, that is, both the systems can receive the same touch data, the terminal device obtains a series of touch points formed by a moving track of the touch event on a current touch-sensitive screen according to the touch event of a user, then constructs a curve according to the touch points, and generates handwriting data according to the curve.
And S13, according to the handwriting data, synchronously performing handwriting drawing on the transparent writing layer of the second system to form a first handwriting corresponding to the touch event on the transparent writing layer.
In the embodiment of the present invention, please refer to fig. 2, it should be noted that the writing software of the first system and the transparent writing layer of the second system are completely overlapped, and for convenience of description, fig. 2 depicts the writing software of the first system and the transparent writing layer of the second system in an non-overlapping manner, the writing script in fig. 2 is a writing script that the terminal device synchronously draws on the transparent writing layer, and the writing software does not draw when the user writes, so that only the writing script on the transparent writing layer is displayed, when the user writes on the current display screen, the second system and the first system receive the touch event of the user at the same time, and both the second system and the first system generate the same writing script data because the second system as the main system does not need to be HDMI encoded, transmitted and decoded, the handwriting drawing and displaying speed of the second system is higher than that of the first system, so that when a user writes, the terminal device synchronously draws the first note on the transparent writing layer of the second system according to the generated handwriting data, at this time, the terminal device does not write on the writing software of the first system, the first system serving as an auxiliary system asynchronously draws and displays the handwriting when the user writes, and only records the handwriting data.
And S14, when the touch event is detected to be finished, performing handwriting drawing on the current interface of the writing software of the first system according to the writing handwriting data to form second handwriting on the current interface, and clearing the first handwriting corresponding to the second handwriting.
In the embodiment of the present invention, please refer to fig. 3, it should be noted that the writing software of the first system and the transparent writing layer of the second system are completely overlapped, for convenience of description, fig. 3 is a drawing mode in which the writing software of the first system and the transparent writing layer of the second system are not overlapped, and the writing script in fig. 3 is a writing script that is completely consistent and overlapped with the writing script in fig. 2, and is drawn after the user finishes writing, and the writing script on the transparent writing layer is removed after the drawing is finished, so that only the writing script on the writing software is displayed, when the terminal device detects that the touch event is finished, the terminal device draws the second script on the current interface of the writing software of the first system according to the writing script data, and removes the first script corresponding to the second script on the transparent writing layer of the second system after the drawing is finished, the effect of replacing the auxiliary system with the handwriting of the main system is achieved, the writing software of the first system does not draw the writing handwriting synchronously with the writing of the user, but draws the writing handwriting data corresponding to the touch event at one time after the touch event is finished, the display delay caused by the processes of multiple HDMI coding, transmission and HDMI decoding during simultaneous drawing is reduced, the purposes of writing acceleration and handwriting hand following are achieved, the writing software on the first system does not display and draw the handwriting in the writing process of the user, the performance of the first system is not consumed during the period, the operating efficiency of the first system is improved, due to the complete overlapping of the positions of the first handwriting and the second handwriting and the display of the second handwriting, when the first handwriting is cleared, the user cannot sense the clearing process of the first handwriting, and the user only writes on the writing software and correspondingly displays the handwriting on the basis of the appearance of the user, therefore, the purpose of writing and fast displaying is achieved, meanwhile, due to the fact that the auxiliary system is not stopped to refresh the display interface, other functions on the auxiliary system such as video pictures can be refreshed normally, compatibility of the system is improved, writing is drawn on writing software of the first system only after a touch event of a user is completed, the situation that writing of the two systems on two sides is not overlapped due to the fact that the two systems are stuck due to certain special conditions such as system blocking when the two sides of the two systems write synchronously is avoided, the phenomenon of two writing occurs, and use experience of the user is improved.
To sum up, a first embodiment of the present invention provides a handwriting display method based on dual systems, where a writing software of a first system is started and simultaneously notifies a second system to start a transparent writing layer located in the second system, then writing data is generated according to a detected touch event on a touch-sensitive surface, handwriting drawing is performed on the writing layer synchronously, and finally, when the touch event is detected to be over, writing drawing is performed on a current interface of the writing software of the first system according to the writing data, and the writing drawn according to the writing data on the writing layer is cleared, so that the writing is drawn on a writing board of the second system synchronously when a user writes without stopping refreshing a display interface, and the writing is drawn on the writing software of the first system when the user ends writing, the problem of writing software handwriting display delay of the first system is solved, the display of the writing handwriting is accelerated, a phenomenon that the handwriting follows the hand of a user is given in the visual effect, meanwhile, the normal use of other logic functions on the first system is not influenced, the compatibility of the system is improved, the requirements of the user are met, the use experience of the user is improved, and because the first system only can carry out drawing display of the last handwriting after the touch event of the user is finished, the performance of the first system is not consumed in the writing process of the user, and the application operating efficiency of the first system is improved.
In order to facilitate an understanding of the invention, some preferred embodiments of the invention will now be described.
Second embodiment of the invention:
in the first embodiment of the present invention, when a touch-up operation corresponding to the touch event is detected, it is determined that the touch event is ended.
In the embodiment of the invention, a touch event is composed of a touch DOWN (ACTION _ DOWN), a plurality of continuous touch movements (ACTION _ MOVE) and a touch UP (ACTION _ UP), when a touch UP operation corresponding to the touch event is detected, it is determined that the touch event is ended, the terminal device performs drawing of a second handwriting on writing software of a first system, and after the drawing is finished, the first handwriting corresponding to the second handwriting on a transparent writing layer of the second system is cleared.
Third embodiment of the invention:
on the basis of the first embodiment of the present invention, when a touch-up operation corresponding to the touch event is detected and a touch-down operation is not detected within a preset time after the touch-up operation, it is determined that the touch event is ended.
In the embodiment of the present invention, a touch event may be composed of a plurality of touch presses (ACTION _ DOWN), a plurality of corresponding touch lifts (ACTION _ UP), and a plurality of touch movements (ACTION _ MOVE) during a period beginning with a touch press and ending with a touch lift, when a user detects a touch lift corresponding to the touch event and detects a touch press within a preset time after the touch lift, the touch event is indicated to have not ended, a time threshold is set for the pause by fully considering that the user has a short pause when writing a word, so as to continue writing on the transparent writing layer when a touch press is detected within the time threshold, and the touch event is still not ended, the first system does not write, and only records writing data corresponding to the touch event, thereby avoiding frequent writing software and clearing transparent writing board contents within a very short time, and comprehensively utilizing CPU resources, indicating that the touch event is finished only when the touch lifting operation corresponding to the touch event is detected and the touch pressing operation is not detected within the preset time after the touch lifting operation, drawing a second handwriting on the writing software of the first system by the terminal equipment according to the writing handwriting data corresponding to the touch event, and clearing the first handwriting corresponding to the second handwriting on the transparent writing layer of the second system after the drawing is finished.
The fourth embodiment of the present invention:
on the basis of the first embodiment of the present invention, before S12, the method further includes:
acquiring the writing handwriting drawing attribute set in the writing software; the handwriting drawing attributes at least comprise any one or more of handwriting line thickness, color, font style and handwriting effect setting of the handwriting.
In the embodiment of the invention, in addition to acquiring the touch data of the user to construct the handwriting curve, in some scenes such as a meeting scene, the user may set some attributes of the font to be written, such as line thickness of the font, color, font style, and effect of virtual lines and solid lines of handwriting lines, for some reasons such as emphasizing a certain content, so that before the terminal device generates the handwriting data according to the touch event of the user, the terminal device also acquires the handwriting drawing attribute set in the writing software for subsequent rendering.
Then S13 is specifically:
rendering according to the handwriting drawing attribute and the handwriting data to form a first handwriting corresponding to the touch event on the transparent writing layer.
In the embodiment of the invention, the terminal equipment is displayed on the transparent writing layer.
In the embodiment of the invention, when a user writes, the terminal device renders the acquired writing attribute and the writing data, writes a bitmap file into the display cache area, and stores the bitmap file into the display cache area, for example, the user sets the color of the writing, the terminal device renders the writing data according to the set color of the writing, writes the rendered result into the bitmap file and stores the bitmap file into the display cache area, so as to synchronously draw the first note on the transparent writing layer of the second system, at this time, the terminal device does not write on the writing software of the first system, and the first system serving as the auxiliary system asynchronously draws and displays the writing when the user writes, but only records the writing data.
Fifth embodiment of the invention:
on the basis of the above embodiment of the present invention, the method further includes:
when the closing operation of the writing software located in the first system is detected, closing the transparent writing layer located in the second system.
In the embodiment of the invention, when the terminal device detects that the user closes the writing software located in the first system, the terminal device indicates that the user does not perform writing operation and does not need the transparent writing layer to assist writing acceleration, and the terminal device correspondingly closes the transparent writing layer.
Referring to fig. 4, a sixth embodiment of the present invention provides a handwriting display device based on dual systems, including:
and the transparent writing layer starting module 11 is used for starting the transparent writing layer positioned in the second system when the writing software positioned in the first system is detected to be started.
A handwriting generation module 12 for generating handwriting data from detected touch events on the touch-sensitive surface.
And the first handwriting drawing module 13 is configured to synchronously perform handwriting drawing on the transparent writing layer of the second system according to the writing handwriting data, so as to form a first handwriting corresponding to the touch event on the transparent writing layer.
And the second handwriting drawing module 14 is configured to, when it is detected that the touch event is ended, draw handwriting on a current interface of the writing software of the first system according to the writing handwriting data, so as to form second handwriting on the current interface, and remove the first handwriting corresponding to the second handwriting.
In a first implementation manner of the sixth embodiment, the transparent writing layer is overlaid on the current interface of the writing software.
In a second implementation manner of the sixth embodiment, when a touch-up operation corresponding to the touch event is detected, it is determined that the touch event is ended.
In a third implementation manner of the sixth embodiment, when a touch up operation corresponding to the touch event is detected and a touch down operation is not detected within a preset time after the touch up operation, it is determined that the touch event is ended.
In a fourth implementation manner of the sixth embodiment, before the writing script generating module 12, the method further includes:
the attribute acquisition module is used for acquiring the writing handwriting drawing attribute set in the writing software; the handwriting drawing attributes at least comprise any one or more of handwriting line thickness, color, font style and handwriting effect setting of the handwriting.
The first note drawing module 13 specifically includes:
and rendering according to the handwriting drawing attribute and the handwriting data so as to form a first handwriting corresponding to the touch event on the transparent writing layer.
According to any one of the foregoing implementation manners of the sixth embodiment, in a fifth implementation manner of the sixth embodiment, the second system is a main system, and the first system is an auxiliary system.
According to a fifth implementation manner of the sixth embodiment, in the sixth implementation manner of the sixth embodiment, the method further includes:
and the closing module is used for closing the transparent writing layer positioned in the second system when the closing operation of the writing software positioned in the first system is detected.
The seventh embodiment of the invention provides handwriting display terminal equipment based on a dual system. The handwriting display terminal equipment based on the dual system comprises: a processor, a memory, and a computer program, such as a dual system based handwriting display program, stored in the memory and executable on the processor. The processor, when executing the computer program, implements the steps in each of the above-described dual system-based handwriting display method embodiments, such as step S11 shown in fig. 1. Alternatively, the processor implements the functions of the modules/units in the above-mentioned device embodiments when executing the computer program, for example, the first note drawing module 13.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used for describing the execution process of the computer program in the dual-system based handwriting display terminal device.
The handwriting display terminal equipment based on the dual system can be computing equipment such as a desktop computer, a notebook computer, a palm computer and a cloud server. The handwriting display terminal device based on the dual system can comprise, but is not limited to, a processor and a memory. It will be understood by those skilled in the art that the above-mentioned components are only examples of the dual system-based handwriting display terminal device, and do not constitute a limitation of the dual system-based handwriting display terminal device, and may include more or less components than those shown in the drawings, or combine some components, or different components, for example, the dual system-based handwriting display terminal device may further include an input-output device, a network access device, a bus, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general processor can be a microprocessor or the processor can be any conventional processor and the like, the processor is a control center of the dual-system-based handwriting display terminal device, and various interfaces and lines are utilized to connect various parts of the whole dual-system-based handwriting display terminal device.
The memory can be used for storing the computer program and/or the module, and the processor realizes various functions of the dual-system-based handwriting display terminal equipment by running or executing the computer program and/or the module stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the integrated module/unit of the handwriting display terminal device based on the dual system can be stored in a computer readable storage medium if the integrated module/unit is realized in the form of a software functional unit and sold or used as an independent product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A handwriting display method based on a dual system is characterized by comprising the following steps:
when detecting that the writing software positioned in the first system is started, starting a transparent writing layer positioned in the second system; wherein the display response speed of the second system is faster than the display response speed of the first system;
generating writing data from the detected touch events on the touch-sensitive surface;
acquiring the writing handwriting drawing attribute set in the writing software; the handwriting drawing attributes at least comprise any one or more of handwriting line thickness, color, font style and handwriting effect setting of the handwriting;
according to the handwriting data, synchronously performing handwriting drawing on a transparent writing layer of the second system to form a first handwriting corresponding to the touch event on the transparent writing layer;
when the touch event is detected to be finished, performing handwriting drawing on a current interface of writing software of the first system according to the writing handwriting data so as to form second handwriting on the current interface, and clearing the first handwriting corresponding to the second handwriting;
when a touch lifting operation corresponding to the touch event is detected and a touch pressing operation is not detected within a preset time after the touch lifting operation, judging that the touch event is ended;
and then, according to the handwriting data, synchronously performing handwriting drawing on a transparent writing layer of the second system to form a first handwriting corresponding to the touch event on the transparent writing layer, specifically:
rendering according to the handwriting drawing attribute and the handwriting data, writing into a bitmap file and placing the bitmap file into a display cache region so as to form a first handwriting corresponding to the touch event on the transparent writing layer.
2. The dual-system-based handwriting display method according to claim 1, wherein said transparent writing layer is overlaid on a current interface of said writing software.
3. A method for displaying handwriting based on dual systems according to claim 1 or 2, characterized in that said second system is a primary system and said first system is an auxiliary system.
4. The dual system-based handwriting display method of claim 3, further comprising:
when the closing operation of the writing software located in the first system is detected, closing the transparent writing layer located in the second system.
5. A handwriting display device based on dual system is characterized by comprising:
the transparent writing layer starting module is used for starting the transparent writing layer positioned in the second system when the writing software positioned in the first system is detected to be started;
a handwriting generation module for generating handwriting data from detected touch events on the touch-sensitive surface;
the attribute acquisition module is used for acquiring the writing handwriting drawing attribute set in the writing software; the handwriting drawing attributes at least comprise any one or more of handwriting line thickness, color, font style and handwriting effect setting of the handwriting;
the first handwriting drawing module is used for synchronously drawing handwriting on a transparent writing layer of the second system according to the writing handwriting data so as to form first handwriting corresponding to the touch event on the transparent writing layer;
the second handwriting drawing module is used for drawing handwriting on a current interface of writing software of the first system according to the writing handwriting data when the touch event is detected to be finished so as to form second handwriting on the current interface and clear the first handwriting corresponding to the second handwriting; when a touch lifting operation corresponding to the touch event is detected and a touch pressing operation is not detected within a preset time after the touch lifting operation, judging that the touch event is ended;
the first note drawing module is specifically configured to:
rendering according to the handwriting drawing attribute and the handwriting data, writing into a bitmap file and placing the bitmap file into a display cache region so as to form a first handwriting corresponding to the touch event on the transparent writing layer.
6. A dual-system-based handwriting display terminal device, characterized by comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the dual-system-based handwriting display method according to any one of claims 1 to 4 when executing the computer program.
7. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program, wherein the computer program, when running, controls a device on which the computer-readable storage medium is located to execute the dual-system-based handwriting display method according to any one of claims 1-4.
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| CN110174991B (en) * | 2019-05-17 | 2021-01-22 | 广州视源电子科技股份有限公司 | Highlight pen processing method and device |
| CN110174957B (en) * | 2019-05-28 | 2022-07-19 | 成都依能科技股份有限公司 | Writing method of electronic blackboard writing based on PPT demonstration |
| CN111078073B (en) * | 2019-12-17 | 2021-03-23 | 科大讯飞股份有限公司 | Handwriting amplification method and related device |
| CN111651079B (en) * | 2020-05-18 | 2023-09-29 | 广州视源电子科技股份有限公司 | Handwriting display method, device, equipment and computer storage medium |
| WO2022134180A1 (en) * | 2020-12-25 | 2022-06-30 | 安徽鸿程光电有限公司 | Handwriting display method and apparatus, electronic device, and storage medium |
| CN114265515A (en) * | 2021-12-14 | 2022-04-01 | 科大讯飞股份有限公司 | Handwriting display method, device, equipment, system and storage medium |
| CN114237482A (en) * | 2021-12-20 | 2022-03-25 | 锐捷网络股份有限公司 | Handwriting display processing method, device, system, equipment and storage medium |
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