CN107515690B - Electromagnetic screen writing operation method and electromagnetic screen - Google Patents
Electromagnetic screen writing operation method and electromagnetic screen Download PDFInfo
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- CN107515690B CN107515690B CN201710547520.8A CN201710547520A CN107515690B CN 107515690 B CN107515690 B CN 107515690B CN 201710547520 A CN201710547520 A CN 201710547520A CN 107515690 B CN107515690 B CN 107515690B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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Abstract
The invention provides an electromagnetic screen writing operation method and an electromagnetic screen, wherein the method comprises the following steps: respectively acquiring device information of a plurality of input devices, respectively marking the input devices as different operation devices according to a preset configuration file, the preset configuration file is an IDC input equipment configuration file, handwriting software is started, current events of different operating equipment are respectively monitored, whether the current events are the preset events corresponding to the operating equipment or not is judged, if yes, the writing handwriting corresponding to the operating device is obtained according to the coordinate position of the current event, the invention can effectively set a plurality of input devices as different operating devices through the design of the preset configuration file, the handwriting software respectively responds to different operation devices when performing event response, and further prevents handwriting errors when a plurality of input devices are operated simultaneously.
Description
Technical Field
The invention relates to the technical field of electromagnetic screens, in particular to an electromagnetic screen writing operation method and an electromagnetic screen.
Background
With the development of the development technology of the times, the living standard of people is continuously improved, the electromagnetic screen is more and more frequently used, the electromagnetic screen is equipment operated according to electromagnetic signals, and the electromagnetic screen is widely applied to electronic equipment such as a panel, a computer, a conference machine and the like due to the advantages of high sensitivity, low energy consumption and the like.
The existing electromagnetic screen writing operation method is to acquire a pressing signal of an electromagnetic pen and then inquire a coordinate corresponding to the pressing signal so as to display a track according to the inquired coordinate.
When multiple pens are operated simultaneously in the conventional electromagnetic screen writing operation method, the writing handwriting of only one electromagnetic pen can be displayed at the same time, so that the phenomenon of writing handwriting error can occur when the multiple pens are operated simultaneously.
Disclosure of Invention
Based on this, the embodiment of the invention aims to provide an electromagnetic screen writing operation method and an electromagnetic screen, wherein a plurality of pens can be operated simultaneously.
An electromagnetic screen writing operation method, comprising:
respectively acquiring device information of a plurality of input devices, and respectively marking the input devices as different operation devices according to a preset configuration file, wherein the preset configuration file is an IDC input device configuration file;
starting handwriting software, respectively monitoring current events of different operating devices, and judging whether the current events are preset events corresponding to the operating devices;
and if so, obtaining the writing handwriting corresponding to the operating equipment according to the coordinate position of the current event.
According to the electromagnetic screen writing operation method, through the design of the preset configuration file, the input devices can be effectively set to be different, so that the handwriting software respectively responds to different operation devices when performing event response, further, the phenomenon of handwriting error when the input devices are simultaneously operated is prevented, through respectively monitoring different current event designs of the operation devices, the system is convenient for tracking different operation devices, and the synchronization rate between the operation devices and the handwriting is improved.
Further, the step of marking the plurality of input devices as different operating devices according to a preset configuration file includes:
acquiring the type setting of the target equipment in the preset configuration file;
and marking the plurality of target equipment type settings containing different equipment type information on the plurality of input equipment in sequence so as to set the plurality of input equipment as different operation equipment respectively.
Further, the step of determining whether the current event is a preset event corresponding to the operating device includes:
when the operating equipment is pointer equipment, touch pad equipment or touch navigation equipment, judging whether the current event is a mobile event;
if so, determining that the current event is the preset event corresponding to the pointer equipment, the touch pad equipment or the touch navigation equipment;
when the operating equipment is touch screen equipment, judging whether the current event is a touch event;
if yes, the current event is judged to be the preset event corresponding to the touch screen device.
Further, the method further comprises:
acquiring equipment generation end information in the current event, and judging whether the operating equipment of the equipment generation end information is specified equipment or not according to preset conditions;
and if so, displaying the information of the specified equipment.
Further, the step of obtaining the handwriting corresponding to the operating device according to the coordinate position of the current event includes:
acquiring a current coordinate point of the current event in real time according to the getX and getY functions, and carrying out preset color marking on the acquired current coordinate point until the current event is finished;
and acquiring a plurality of current coordinate points marked by the preset color, and performing deburring algorithm processing on the acquired current coordinate points to enable the writing handwriting corresponding to the current event to be obtained.
An electromagnetic screen comprising:
the first acquisition module is used for respectively acquiring the equipment information of a plurality of input equipment and respectively marking the plurality of input equipment as different operating equipment according to a preset configuration file, wherein the preset configuration file is an IDC input equipment configuration file;
the starting module is used for starting local handwriting software to monitor current events of different operating devices respectively and judging whether the current events are preset events corresponding to the operating devices;
and the writing module is used for acquiring the coordinate position of the current event according to the judgment result of the opening module when the opening module judges that the current event is the preset event corresponding to the operating equipment, and writing according to the coordinate position to obtain the writing corresponding to the operating equipment.
According to the electromagnetic screen, through the design of the first acquisition module, the input devices can be effectively set to be different operation devices, so that the handwriting software respectively responds to different operation devices when performing event response, further, the phenomenon of handwriting error when the input devices are operated simultaneously is prevented, through the design of the opening module, whether the current event of the operation devices corresponds to the preset event or not can be effectively judged, through the design of the writing module, when the opening module judges that the current event corresponds to the preset event, the coordinate position of the current event is effectively acquired, and therefore the handwriting corresponding to the operation devices is obtained.
Further, the first obtaining module comprises:
the sub-acquisition module is used for acquiring the type setting of the target equipment in the preset configuration file;
and the device type marking module is used for marking the plurality of input devices according to the acquisition result of the sub-acquisition module and the plurality of target device type settings containing different device type information in sequence so as to set the plurality of input devices as different operation devices respectively.
Further, the opening module includes:
the first judging module is used for judging whether the current event is a moving event or not when the operating device is a pointer device, a touch pad device or a touch navigation device, and if so, judging that the current event is the preset event corresponding to the pointer device, the touch pad device or the touch navigation device;
and the second judging module is used for judging whether the current event is a touch event or not when the operating device is a touch screen device, and if so, judging that the current event is the preset event corresponding to the touch screen device.
Further, the electromagnetic screen further comprises:
and the third judging module is used for acquiring the equipment generating end information in the current event, judging whether the operating equipment of the equipment generating end information is the appointed equipment or not according to preset conditions, and if so, displaying the information of the appointed equipment.
Further, the writing module includes:
the color marking module is used for acquiring a current coordinate point of the current event in real time according to the getX and getY functions and carrying out preset color marking on the acquired current coordinate point until the current event is finished;
and the second acquisition module is used for acquiring a plurality of current coordinate points marked by the preset color according to the marking result of the color marking module and carrying out deburring algorithm processing on the acquired current coordinate points so as to obtain the writing handwriting corresponding to the current event.
Drawings
FIG. 1 is a flow chart of a method for writing on an electromagnetic screen according to a first embodiment of the present invention;
FIG. 2 is a flow chart of a writing operation method of an electromagnetic screen according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of an electromagnetic screen according to a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an electromagnetic screen according to a fourth embodiment of the present invention;
description of the symbols of the main elements
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Detailed Description
In order to facilitate a better understanding of the invention, the invention will be further explained below with reference to the accompanying drawings of embodiments. Embodiments of the present invention are shown in the drawings, but the present invention is not limited to the preferred embodiments described above. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, a flowchart of an electromagnetic screen writing operation method according to a first embodiment of the present invention includes steps S10 to S30.
Step S10, respectively acquiring device information of a plurality of input devices, and respectively marking the input devices as different operation devices according to a preset configuration file;
the preset configuration file is an IDC input device configuration file, the number of the input devices is two, and the input devices are electromagnetic pens;
in this embodiment, the IDC input device configuration file performs device type setting on the two electromagnetic pens according to stored target device type settings with different input device information, for example, a first electromagnetic pen is set as a pointer device, and a second electromagnetic pen is set as a touch screen device;
step S20, starting handwriting software, respectively monitoring current events of different operating devices, and judging whether the current events are preset events corresponding to the operating devices;
after the handwriting software stored locally is started, event monitoring processing threads of Pointer and TouchScreen are created, so that current events of the Pointer device and the touch screen device are monitored respectively, and whether the current events are corresponding preset events is judged according to monitoring results;
in this embodiment, the preset event corresponding to the pointer device is a moving event, and the preset event corresponding to the touch screen device is a touch event;
when the step S20 determines that the current event is the preset event corresponding to the operating device, step S30 is executed.
Step S30, obtaining writing handwriting corresponding to the operating equipment according to the coordinate position of the current event;
when it is monitored that the current event of the Pointer device is the mobile event, the coordinate position of the current event is acquired and marked, and the coordinate position is updated in real time until the current event is finished, so that the handwriting corresponding to the Pointer device is obtained according to the marked coordinate position.
According to the electromagnetic screen writing operation method, through the design of the preset configuration file, the input devices can be effectively set to be different, so that the handwriting software responds to different operation devices respectively when performing event response, handwriting errors are prevented when the input devices operate simultaneously, the system is convenient for tracking different operation devices through monitoring different current event designs of the operation devices respectively, and the synchronization rate between the operation devices and the handwriting is improved.
Referring to fig. 2, a flowchart of an electromagnetic screen writing operation method according to a second embodiment of the present invention is shown, where the method includes steps S11 to S51.
Step S11, respectively obtaining the device information of a plurality of input devices and a local preset configuration file, and obtaining the type setting of the target device in the preset configuration file;
the preset configuration file is an IDC input device configuration file, the number of the input devices is two, and the input devices are electromagnetic pens;
step S21, marking the plurality of target device type settings containing different device type information in sequence for the plurality of input devices, so as to set the plurality of input devices as different operating devices, respectively;
the IDC input equipment configuration file is used for respectively setting the equipment types of the two electromagnetic pens according to the stored target equipment type settings with different equipment type information, and the equipment type information contained in the target equipment type settings can be Pointer type information or touch Screen type information, so that the two electromagnetic pens are respectively set as Pointer equipment and touch screen equipment;
step S31, starting handwriting software, respectively monitoring current events of different operating devices, and judging whether the current events are preset events corresponding to the operating devices;
after the handwriting software stored locally is started, event monitoring processing threads of Pointer and TouchScreen are created, so that current events of the Pointer device and the touch screen device are monitored respectively, and whether the current events are corresponding preset events is judged according to monitoring results;
in this embodiment, the preset event corresponding to the pointer device is a moving event, and the preset event corresponding to the touch screen device is a touch event;
when the operating device is set as a pointer device, a touch pad device or a touch navigation device, judging whether the current event is a mobile event, wherein the mobile event is an onsource event, and the touch event is an onsourcevent event;
if so, determining that the current event is the preset event corresponding to the pointer equipment, the touch pad equipment or the touch navigation equipment;
when the operation equipment is set as touch screen equipment, judging whether the current event is a touch event;
if yes, the current event is judged to be the preset event corresponding to the touch screen device.
When the step S31 determines that the current event is the preset event corresponding to the operating device, step S41 is executed.
Step S41, acquiring a current coordinate point of the current event in real time according to the getX and getY functions, and performing preset color marking on the acquired current coordinate point until the current event is finished;
obtaining the coordinate point corresponding to the current event through the getX and getY functions, performing color marking according to the coordinate point, and continuously performing color marking on a new coordinate point when the current event is continuously reported until the current event stops reporting;
step S51, acquiring a plurality of current coordinate points marked by the preset color, and performing deburring algorithm processing on the acquired current coordinate points to enable writing handwriting corresponding to the current event to be obtained;
by adopting the deburring algorithm, the two lines are drawn in a pairwise manner according to the acquisition sequence of the coordinate points and the drawn continuous lines are deburred, so that the corresponding lines of the handwriting are more continuous and smooth.
The method further comprises the following steps:
and acquiring the equipment generation end information in the current event, judging whether the operating equipment of the equipment generation end information is appointed equipment or not according to preset conditions, and if so, displaying the information of the appointed equipment. In this embodiment, the device generation side information is event.getsource () & inputdevice.source _ CLASS _ POINTER information, and the preset condition performs the judgment of the specified device by using the following codes respectively:
if ((event.getsource () & input device.source _ CLASS _ POINTER) | ═ 0) { … … }, wherein when the device generation end information is judged not to be 0, the operating device is the POINTER device, and the POINTER device is subjected to character display;
if (| 0) { … … }, wherein when the device generation end information is judged not to be 0, the operation device is the touch pad device, and the touch pad device is subjected to character display;
if (event, get source () & input device, source _ TOUCH _ NAVIGATION) | ═ 0) { … … }, wherein when the device generation side information is determined not to be 0, the operating device is the TOUCH NAVIGATION device, and the TOUCH NAVIGATION device is displayed in text.
And further, the operating personnel can conveniently judge the type information of the currently used operating equipment.
According to the electromagnetic screen writing operation method, through the design of the preset configuration file, a plurality of input devices of the same type can be effectively set to be different types of operation devices, so that the handwriting software respectively responds to different operation devices when event response is carried out, further, the phenomenon of handwriting error when the input devices are operated simultaneously is prevented, through respectively monitoring different current event designs of the operation devices, the system is convenient for tracking different operation devices, and the synchronization rate between the operation devices and the handwriting is improved.
Referring to fig. 3, a schematic structural diagram of an electromagnetic screen 100 according to a third embodiment of the present invention is shown, where the electromagnetic screen 100 includes:
the first obtaining module 10 is configured to obtain device information of a plurality of input devices respectively, and mark the plurality of input devices as different operating devices according to a preset configuration file, where the preset configuration file is an IDC input device configuration file, the first obtaining module 10 obtains an electromagnetic signal of the input device so as to obtain an ID number and a pen touch pressure level corresponding to the input device, and the types of the operating devices include a pointer device, a touch pad device, a touch navigation device, and a touch screen device.
The starting module 20 is configured to start local handwriting software to monitor current events of different operating devices respectively, and determine whether the current event is a preset event corresponding to the operating device, where the preset event corresponding to the pointer device, the touch pad device, and the touch navigation device in this embodiment is a mobile event, and the preset event corresponding to the touch screen device is a touch event.
And the writing module 30 is configured to, according to the determination result of the opening module 20, obtain a coordinate position of the current event when the opening module 20 determines that the current event is the preset event corresponding to the operating device, and write handwriting according to the coordinate position to obtain the writing handwriting corresponding to the operating device.
The first obtaining module 10 includes:
a sub-obtaining module 11, configured to obtain a target device type setting in the preset configuration file, where device type information in the target device type setting is one of Pointer type information, TouchScreen type information, TouchPad type information, or TouchNavigation type information;
the device type marking module 12 is configured to mark, according to an acquisition result of the sub-acquisition module 11, the plurality of target device type settings including different device type information sequentially, so as to set the plurality of input devices as different operating devices, for example, when one of the target device type settings includes the Pointer type information and the other target device type setting includes the TouchScreen type information, the two input devices are set as the Pointer device and the touch screen device, respectively.
The opening module 20 includes:
a first determining module 21, configured to determine whether the current event is a moving event when the operating device is a pointer device, a touch panel device, or a touch navigation device, and if so, determine that the current event is the preset event corresponding to the pointer device, the touch panel device, or the touch navigation device.
A second determining module 22, configured to determine whether the current event is a touch event when the operating device is a touch screen device, and if so, determine that the current event is the preset event corresponding to the touch screen device.
The writing module 30 includes:
and the color marking module 31 is configured to obtain a current coordinate point of the current event in real time according to the getX and getY functions, and perform preset color marking on the obtained current coordinate point until the current event is finished.
A second obtaining module 32, configured to obtain, according to a marking result of the color marking module 31, a plurality of current coordinate points marked by the preset color, and perform a deburring algorithm on the obtained plurality of current coordinate points, so as to obtain a writing trace corresponding to the current event;
by adopting the deburring algorithm, the two lines are drawn in a pairwise manner according to the acquisition sequence of the coordinate points and the drawn continuous lines are deburred, so that the corresponding lines of the handwriting are more continuous and smooth.
In this embodiment, through the design of the first obtaining module 10, a plurality of input devices can be effectively set to different operation devices, so that the handwriting software respectively responds to different operation devices when performing event response, thereby preventing a phenomenon that handwriting errors occur when a plurality of input devices are simultaneously operated, through the design of the opening module 20, whether the current event of the different operation devices is the corresponding preset event can be effectively judged, and through the design of the writing module 30, when the opening module judges that 20 the current event is the corresponding preset event, the effective coordinate position of the current event is obtained, so that the handwriting corresponding to the operation devices is obtained.
Referring to fig. 4, a schematic structural diagram of an electromagnetic screen 100a according to a fourth embodiment of the present invention is shown, the fourth embodiment has a structure substantially the same as that of the third embodiment, and the difference therebetween is that the electromagnetic screen 100a further includes:
a third determining module 40, configured to obtain device generation end information in the current event, and determine whether the operating device of the device generation end information is a designated device according to a preset condition, and if so, display information of the designated device.
In this embodiment, the device generation side information is event.getsource () & inputdevice.source _ CLASS _ POINTER information, and the preset condition performs the judgment of the specified device by using the following codes respectively:
if ((event.getsource () & input device.source _ CLASS _ POINTER) | ═ 0) { … … }, wherein when the device generation end information is judged not to be 0, the operating device is the POINTER device, and the POINTER device is subjected to character display;
if (| 0) { … … }, wherein when the device generation end information is judged not to be 0, the operation device is the touch pad device, and the touch pad device is subjected to character display;
if (event, get source () & input device, source _ TOUCH _ NAVIGATION) | ═ 0) { … … }, wherein when the device generation side information is determined not to be 0, the operating device is the TOUCH NAVIGATION device, and the TOUCH NAVIGATION device is displayed in text.
In this embodiment, through the design of the third determining module 40, it can be effectively determined whether the input device is the pointer device, the touch pad device or the touch navigation device, so that the user can conveniently know the type information of the input device currently used and can conveniently perform subsequent operations on the input device currently used.
The above-described embodiments describe the technical principles of the present invention, and these descriptions are only for the purpose of explaining the principles of the present invention and are not to be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. An electromagnetic screen writing operation method is characterized by comprising the following steps:
respectively acquiring device information of a plurality of input devices, and respectively marking the plurality of input devices as different operation devices according to a preset configuration file, wherein the preset configuration file is an IDC input device configuration file, and the plurality of input devices are devices of the same type;
starting handwriting software, respectively monitoring current events of different operating devices, and judging whether the current events are preset events corresponding to the operating devices;
if so, obtaining the writing handwriting corresponding to the operating equipment according to the coordinate position of the current event; wherein
The step of marking the plurality of input devices as different operation devices according to a preset configuration file comprises:
acquiring the type setting of the target equipment in the preset configuration file;
and marking the plurality of target equipment type settings containing different equipment type information on the plurality of input equipment in sequence so as to set the plurality of input equipment as different operation equipment respectively.
2. The electromagnetic screen writing operation method according to claim 1, wherein the step of judging whether the current event is a preset event corresponding to the operation device comprises the steps of:
when the operating equipment is pointer equipment, touch pad equipment or touch navigation equipment, judging whether the current event is a mobile event;
if so, determining that the current event is the preset event corresponding to the pointer equipment, the touch pad equipment or the touch navigation equipment;
when the operating equipment is touch screen equipment, judging whether the current event is a touch event;
if yes, the current event is judged to be the preset event corresponding to the touch screen device.
3. The electromagnetic screen writing operation method of claim 2, further comprising:
acquiring equipment generation end information in the current event, and judging whether the operating equipment of the equipment generation end information is specified equipment or not according to preset conditions;
and if so, displaying the information of the specified equipment.
4. The electromagnetic screen writing operation method according to claim 1, wherein the step of obtaining the writing trace corresponding to the operation device according to the coordinate position of the current event comprises:
acquiring a current coordinate point of the current event in real time according to the getX and getY functions, and carrying out preset color marking on the acquired current coordinate point until the current event is finished;
and acquiring a plurality of current coordinate points marked by the preset color, and performing deburring algorithm processing on the acquired current coordinate points to enable the writing handwriting corresponding to the current event to be obtained.
5. An electromagnetic screen, comprising:
the first obtaining module is used for respectively obtaining the device information of a plurality of input devices and respectively marking the input devices as different operation devices according to a preset configuration file, wherein the preset configuration file is an IDC input device configuration file, and the input devices are devices of the same type;
the starting module is used for starting local handwriting software to monitor current events of different operating devices respectively and judging whether the current events are preset events corresponding to the operating devices;
the writing module is used for acquiring the coordinate position of the current event and writing handwriting according to the coordinate position to obtain the writing handwriting corresponding to the operating equipment when the starting module judges that the current event is the preset event corresponding to the operating equipment according to the judgment result of the starting module;
the first obtaining module comprises:
the sub-acquisition module is used for acquiring the type setting of the target equipment in the preset configuration file;
and the device type marking module is used for marking the plurality of input devices according to the acquisition result of the sub-acquisition module and the plurality of target device type settings containing different device type information in sequence so as to set the plurality of input devices as different operation devices respectively.
6. The electromagnetic screen of claim 5, wherein the activation module comprises:
the first judging module is used for judging whether the current event is a moving event or not when the operating device is a pointer device, a touch pad device or a touch navigation device, and if so, judging that the current event is the preset event corresponding to the pointer device, the touch pad device or the touch navigation device;
and the second judging module is used for judging whether the current event is a touch event or not when the operating device is a touch screen device, and if so, judging that the current event is the preset event corresponding to the touch screen device.
7. The electromagnetic screen of claim 6, further comprising:
and the third judging module is used for acquiring the equipment generating end information in the current event, judging whether the operating equipment of the equipment generating end information is the appointed equipment or not according to preset conditions, and if so, displaying the information of the appointed equipment.
8. The electromagnetic screen of claim 5, wherein the writing module comprises:
the color marking module is used for acquiring a current coordinate point of the current event in real time according to the getX and getY functions and carrying out preset color marking on the acquired current coordinate point until the current event is finished;
and the second acquisition module is used for acquiring a plurality of current coordinate points marked by the preset color according to the marking result of the color marking module and carrying out deburring algorithm processing on the acquired current coordinate points so as to obtain the writing handwriting corresponding to the current event.
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| CN113485570B (en) * | 2021-06-17 | 2023-12-05 | 深圳软牛科技有限公司 | Multi-user writing method, device, computer readable storage medium and terminal equipment |
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