CN103353828A - Method and device for switching writing and erasing functions on touch screen - Google Patents
Method and device for switching writing and erasing functions on touch screen Download PDFInfo
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- CN103353828A CN103353828A CN2013102536574A CN201310253657A CN103353828A CN 103353828 A CN103353828 A CN 103353828A CN 2013102536574 A CN2013102536574 A CN 2013102536574A CN 201310253657 A CN201310253657 A CN 201310253657A CN 103353828 A CN103353828 A CN 103353828A
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Abstract
The invention discloses a method for switching writing and erasing functions on a touch screen. The method comprises the steps as follows: acquiring a touch area of a user on the touch screen; judging whether the touch area is larger than a preset touch area threshold; and locking data corresponding to a touch coordinate on the touch screen and erasing locked data when the touch area is larger than the preset touch area threshold, or, performing data input according to a touch track corresponding to a touch coordinate of the user on the touch screen when the touch area is smaller than or equal to the preset touch area threshold. The invention further discloses a corresponding device. With the adoption of the scheme provided by the invention, the user can directly confirm writing or erasing according to a compared result of the current touch area and the preset touch area threshold without confirming wiring or erasing according to function icons in advance; and further, writing and erasing of touch input can be rapidly and conveniently switched, the user operation is simplified, and the user experience is improved.
Description
Technical field
The present invention relates to the touch screen technology field, specially refer to a kind of method and device of writing with erase feature that switch at touch-screen.
Background technology
Along with the development of electronic technology, electronic equipment is used more and more extensive in people's Working Life.The input mode of electronic equipment is also more and more diversified, the input that mixes with the touch input if any key-press input, touch-screen input, key-press input.Wherein, touch-screen input in the electronic equipment, as in electronic whiteboard, lcd touch all-in-one, panel computer, touch-screen input provides writing function and erase feature, for example, distinguish writing function and erase feature by the icon of correspondence, (as write icon, wipe icon by clicking corresponding icon; Perhaps be integrated into an icon with two, when this icon when writing, then become when again clicking and wipe) realize the switching to writing function and erase feature.Adopt the above-mentioned switching mode of writing and wiping, have following defective: one, the operator need to judge first current required function when using touch-screen input, writes or wipes; Write such as needs, then click and write icon, wipe such as needs, then click wipe icon; Two, after selected writing, need to switch to and wipe, or after selected wiping, need to switch to and write, can't automatically switch, again clickable icon is switched, when between the user needs ceaselessly writing and wiping, switching, will be so that operating process be very loaded down with trivial details, affect input efficiency, also affect the user and experience.
Summary of the invention
Fundamental purpose of the present invention is intended to switch touching writing with erase feature in the input fast for a kind of method and device of writing with erase feature that switch at touch-screen is provided, and simplifies user's operation, improves the user and experiences.
The invention provides a kind of method of writing with erase feature of switching at touch-screen, described method comprises:
Obtain the touch coordinate of user on touch-screen and touch area;
Judge that whether described touch area is greater than default touch area-limit;
At described touch area during greater than default touch area-limit, the data that locking touch-screen the above touch coordinate is corresponding are also wiped the data of locking, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area.
Preferably, obtain the user at the touch coordinate on the touch-screen and before touching the step of area or afterwards or simultaneously, the method also comprises described:
Obtain the touch time of user on touch-screen.
Preferably, judge described touch area whether after the step greater than default touch area-limit described, the method comprises:
At described touch area during greater than default touch area-limit, judge that whether the described touch time is greater than default touch time threshold values, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area;
The described touch time greater than default touch time during threshold values, the data that the above touch coordinate of locking touch-screen is corresponding are also wiped the data of locking.
Preferably, described judgement touch the time whether greater than default touch time step during threshold values after, the method comprises:
The described touch time less than or equal to default touch time during threshold values, carry out the data input according to touch track corresponding to the touch coordinate of user on touch-screen.
Preferably, described judgement touch the time whether greater than default touch time step during threshold values after, the method comprises:
Continue to obtain the user next time the touch coordinate on touch-screen, touch area and touch time.
Preferably, described touch area is the touch area of the initial touch position of user on touch-screen, and the described touch time is the touch time of the initial touch position of user on touch-screen.
The present invention also constructs a kind of device of writing with erase feature that switches at touch-screen, comprising:
The first acquisition module is used for obtaining the touch coordinate of user on touch-screen and touches area;
Whether the first judge module is used for judging described touch area greater than default touch area-limit,
Instruction input module, be used for when described touch area during greater than described default touch area-limit, the data that locking touch-screen the above touch coordinate is corresponding are also wiped the data of locking, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area.
Preferably, described device also comprises:
The second acquisition module is used for obtaining the user at the touch coordinate on the touch-screen and before or after touching area or simultaneously, obtaining the touch time of user on touch-screen at described the first acquisition module.
Preferably, described device also comprises: the second judge module;
The second judge module when being used for judged result at described the first judge module and being described touch area greater than default touch area-limit, continues to judge that whether the described touch time is greater than the touch time threshold values of presetting;
Described instruction input module also is used for during less than or equal to default touch area-limit, carrying out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area; And be used for described touch area greater than default touch area-limit and described touch time greater than default touch time during threshold values, the data that the above touch coordinate of locking touch-screen is corresponding are also wiped the data of locking.
Preferably, described touch area is the touch area of the initial touch position of user on touch-screen, and the described touch time is the touch time of the initial touch position of user on touch-screen.
The present invention is by obtaining the touch area of user on touch-screen, then judge that whether this touch area is greater than default touch area-limit, at described touch area during greater than default touch area-limit, the data that locking touch-screen the above touch coordinate is corresponding are also wiped the data of locking, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area.The user does not need to pre-determine by icon and writes or wipe, can directly determine writing or wiping according to current touch area and the comparative result of the touch area-limit of presetting, and can realize quickly and easily touching the switching of writing and wiping of input, simplify user's operation, improve the user and experience.
Description of drawings
Fig. 1 is the schematic flow sheet write with method first embodiment of erase feature that switches at touch-screen of the present invention;
Fig. 2 is the schematic flow sheet write with method second embodiment of erase feature that switches at touch-screen of the present invention;
Fig. 3 is the structural representation write with device first embodiment of erase feature that switches at touch-screen of the present invention;
Fig. 4 is the structural representation write with device second embodiment of erase feature that switches at touch-screen of the present invention.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, Fig. 1 is method the first embodiment schematic flow sheet write with erase feature that switches at touch-screen of the present invention, and the method may further comprise the steps:
S11, obtain the user on touch-screen touch coordinate and touch area.
This touch-screen can be resistive touch screen, capacitor induction type touch-screen or infrared type touch-screen.In specific implementation process, by detecting the touch point on the touch-screen and then obtaining the touch coordinate of user on touch-screen and touch area.
S12, judge this touch area whether greater than default touch area-limit, if so, execution in step S13 then, if not, execution in step S14 then.
Touch area-limit that should be default is pre-stored on the equipment at this touch-screen place, on this equipment, a fixing storage space is set stores this default touch area-limit, can be for calling at any time.For example, the equipment at this touch-screen place can be that electronic whiteboard, lcd touch all-in-one, panel computer or other have the electronic equipment of touch-input function.
Should default touch area-limit the user be divided into two intervals at the touch area of touch-screen, interval one: touch area greater than zero and less than or equal to default touch area-limit; Interval two: touch area greater than default touch area-limit.
S13, when this touches area greater than default touch area-limit, the data that this touch coordinate is corresponding on the locking touch-screen are also wiped the data of locking.
In this step, namely when the user at the touch area on the touch-screen interval two the time, the data that this touch coordinate is corresponding on the locking touch-screen are also wiped the data of locking.
S14, when this touches area less than or equal to default touch area-limit, carry out the data input according to touch track corresponding to the touch coordinate of user on touch-screen.
In this step, namely work as the touch area of user on touch-screen in the interval for the moment, will carry out the data input according to touch track corresponding to the current touch coordinate on touch-screen of user.For example, the touch track of user on touch-screen can be literal, numeral, symbol, figure etc.For example, the user is when touch track is thicker on touch-screen, and then the track of input is thicker; The user is when touch track is thinner on touch-screen, and then the track of input is thinner.As, the word that writes out with thick finger is just large, and thin finger is because the little word that writes out of area is just thin.
Further, in step S11, this touches area is the touch area of the initial touch position of user on touch-screen.
When the user carried out touch action at touch-screen, such as the user during by the finger presses touch-screen, beginning to touch touch-screen from user's finger, to leave touch-screen to finger be a complete touch operation.Common, the user is the mobile touch operation that links up (as writing, draw, wipe at touch-screen etc.) in the touch operation of touch-screen, what obtain in step S11 is the touch area of the initial touch position in this links up mobile touch operation, as by finger or lettering pen when preparing to write, finger or lettering pen are by the touch area that is pressed in when not moving on the touch-screen.
The touch area of the initial touch position of the user that will obtain in step S12 on touch-screen compares with default touch area-limit, determine that according to comparative result the touch input of user by touch-screen is to carry out the data that on data input or locking touch-screen, this touch coordinate is corresponding and wipe the data of locking in the touch track on touch-screen according to the user, namely carry out in same complete touch operation accordingly according to the user and carries out the data input or carries out the data that on corresponding locking touch-screen, this touch coordinate is corresponding and wipe the data of locking in same complete touch operation in the touch track on touch-screen.For example, if the touch area of the initial touch position of the user who obtains in step S11 on touch-screen is less than or equal to default touch area-limit, then (for example carry out the data input according to the touch track of user on touch-screen, write operation), no matter whether the touch area of user in this links up touch be always less than or equal to default touch area-limit, all the user is identified as according to the touch track of user on touch-screen in the touch operation on the touch-screen and carries out the data input; Such as the touch area of the initial touch position of user on touch-screen that in step S11, obtain greater than default touch area-limit, then lock the data that this touch coordinate is corresponding on the touch-screen and wipe the data of locking, no matter the user whether always greater than default touch area-limit, the data that all user are identified as the data that this touch coordinate is corresponding on the locking touch-screen and wipe locking in the touch operation on the touch-screen (for example: erase operation) at this touch area in touching of linking up.Adopt said method, can avoid in user's once complete coherent touch operation, between wiping and writing, switching repeatedly, especially for wipe this touch operation with palm, because the characteristics that palm is wiped, the user is difficult to keep whole palm to keep in touch in whole erase process, can not guarantee always that namely the touch area of palm and touch-screen is always greater than default touch area-limit; Adopt said method, just can be at the touch area (being placed on the touch area that obtains when not moving on the touch-screen such as palm) of the initial touch position that obtains at the beginning during greater than default touch area-limit, the user is identified as the data that lock the data that this touch coordinate is corresponding on the touch-screen and wipe locking in the operation on the touch-screen, then when the user when continuing mobile palm, even palm has the part lifted also to lock the data that this touch coordinate is corresponding on the touch-screen and wipes the data of locking in the same old way.
Adopt technical scheme of the present invention, have more hommization, as the touch area-limit of presetting is set to S, this touch area S is between teacher's the finger area and palm area, be a teacher with finger on touch-screen during touch operation, the touch track that the touch coordinate of teacher on touch-screen is corresponding is carried out data input (as write, make marks, drawing etc.), when being a teacher with the touch operation of palm on touch-screen, with data erase corresponding to the touch coordinate of teacher on touch-screen.This uses chalk-writing with teacher in the reality, and it is the same wiping with palm (or blackboard eraser).
Embodiments of the invention are by obtaining the touch area of user on touch-screen; Judge that whether this touch area is greater than default touch area-limit; When this touches area greater than default touch area-limit, data corresponding to this touch coordinate and wipe the data of locking on the locking touch-screen, perhaps, when this touches area less than or equal to default touch area-limit, carry out the data input according to touch track corresponding to the touch coordinate of user on touch-screen.The user does not need to pre-determine by icon and writes or wipe, can directly determine writing or wiping according to current touch area and the comparative result of the touch area-limit of presetting, and can realize quickly and easily touching the switching of writing and wiping of input, simplify user's operation, improve the user and experience.
With reference to Fig. 2, Fig. 2 is method the second embodiment schematic flow sheet write with erase feature that switches at touch-screen of the present invention, and the method may further comprise the steps:
S21, obtain the touch coordinate of user on touch-screen, touch area and touch time.
This touch-screen can be resistive touch screen, capacitor induction type touch-screen or infrared type touch-screen.In specific implementation process, by detecting the touch point on the touch-screen and then obtain the touch coordinate of user on touch-screen and touch area, and before detecting touch coordinate and touching area or detect the touch time by timer afterwards or simultaneously.
S22, judge this touch area whether greater than default touch area-limit, if so, execution in step S24 then, if not, execution in step S23 then.
Touch area-limit that should be default is pre-stored on the equipment at this touch-screen place, on this equipment, a fixing storage space is set stores this default touch area-limit, can be for calling at any time.For example, the equipment at this touch-screen place can be that electronic whiteboard, lcd touch all-in-one, panel computer or other have the electronic equipment of touch-input function.
Should default touch area-limit the user be divided into two intervals at the touch area of touch-screen, interval one: touch area greater than zero and less than or equal to default touch area-limit; Interval two: touch area greater than default touch area-limit.
S23, carry out data inputs according to touch track corresponding to the touch coordinate of user on touch-screen.
In this step S23, namely work as the touch area of user on touch-screen in the interval for the moment, will carry out the data input according to touch track corresponding to the current touch coordinate on touch-screen of user.For example, the touch track of user on touch-screen can be literal, numeral, symbol, figure etc.For example, the user is when touch track is thicker on touch-screen, and then the track of input is thicker; The user is when touch track is thinner on touch-screen, and then the track of input is thinner.As, the word that writes out with thick finger is just large, and thin finger is because the little word that writes out of area is just thin.
S24, judge this touch time whether greater than default touch time threshold values, if so, execution in step S25 then.
Touch time threshold values that should be default is pre-stored on the equipment at this touch-screen place, on this equipment, a fixing storage space is set stores this default touch time threshold values, can be for calling at any time.
Touch time threshold values that should be default is divided the user for two intervals in the touch time of touch-screen: interval three: the touch time is greater than zero and less than or equal to default touch time threshold values; Interval four: the touch time is greater than default touch time threshold values.
Data corresponding to this touch coordinate and wipe the data of locking on S25, the locking touch-screen.
In this step S25, namely when the user the touch area on the touch-screen interval two and the touch time interval four the time, the data that this touch coordinate is corresponding on the locking touch-screen are also wiped the data of locking.By default touch time threshold values, can effectively avoid mistake to wipe.
Further, among the step S24, when this touches area greater than default touch area-limit, whether judge this touch time greater than default touch time threshold values, if not, execution in step S26 then.
S26, carry out data inputs according to touch track corresponding to the touch coordinate of user on touch-screen.
In this step S26, namely when the user the area on the touch-screen interval two and the touch time interval three the time, carry out the data input according to touch track corresponding to the current touch coordinate on touch-screen of user, for example, the touch track of user on touch-screen can be literal, numeral, symbol, figure etc.
Further, among the step S24, when this touches area greater than default touch area-limit, whether judge this touch time greater than default touch time threshold values, if not, execution in step S27 then.
S27, continue to obtain the user next time the touch coordinate on touch-screen, touch area and touch time.
In this step S27, namely when the user the area on the touch-screen interval two and the touch time interval three the time, continue to obtain the user next time the touch coordinate on touch-screen, touch area and touch time.
Further, the touch area that obtains in step S21 and step S27 is the touch area of the initial touch position of user on touch-screen, and this touch time is the touch time of the initial touch position of user on touch-screen.
For example, when the user carried out touch action at touch-screen, such as the user during by the finger presses touch-screen, beginning to touch touch-screen from user's finger, to leave touch-screen to finger be a complete touch operation.Common, the user is the mobile touch operation that links up (as writing, draw, wipe at touch-screen etc.) in the touch operation of touch-screen, what obtain in step S21 and step S27 is touch area and the touch time of the initial touch position in this links up mobile touch operation, as by finger or lettering pen when preparing to write, finger or lettering pen are by the touch area and the touch time that are pressed in when not moving on the touch-screen.
Further, default touch area-limit and default touch time threshold values can set in advance according to actual needs, for example, can be by the input of the input method on the equipment of touch-screen place (directly input digit), also can and touch the time list from existing touch area tabulation and select, also can obtain default touch area-limit and default touch time threshold values by interim collection.it is as follows with the process of the touch time threshold values of presetting that default touch area-limit is obtained in interim collection: the multi collect user is in the first touch area and touch time of pressing under dynamics, and obtain this first average touch area and average touch time of pressing dynamics, the multi collect user is in the second touch area and touch time of pressing under dynamics, and obtain this second average touch area and average touch time of pressing dynamics, according to this first average touch area of pressing dynamics, with the average touch time and second, press the average touch area and average touch time of dynamics again, obtain this user corresponding default touch area-limit and default touch time threshold values.
With reference to Fig. 3, Fig. 3 is device the first example structure schematic diagram write with erase feature that switches at touch-screen of the present invention, and this device comprises:
The first acquisition module 10 is used for obtaining the touch coordinate of user on touch-screen and touches area;
The first judge module 11 is used for judging that whether this touch area is greater than default touch area-limit;
Instruction input module 12, be used for when this touches area greater than this default touch area-limit, data corresponding to this touch coordinate and wipe the data of locking on the locking touch-screen, perhaps, when this touches area less than or equal to default touch area-limit, carry out the data input according to touch track corresponding to the touch coordinate of user on touch-screen.
This touch-screen can be resistive touch screen, capacitor induction type touch-screen or infrared type touch-screen.In specific implementation process, this first acquisition module 10 is by detecting the touch point on the touch-screen and then obtaining the touch area of user on touch-screen.
Touch area-limit that should be default is pre-stored on the equipment at this touch-screen place, on this equipment, a fixing storage space is set stores this default touch area-limit, can be for calling at any time.The first judge module 11 with the first acquisition module 10 the touch area that obtains and touch area-limit of presetting relatively, instruction input module 12 is carried out corresponding operation according to the comparative result of the first judge module 11, when touching area greater than this default touch area-limit at this, data corresponding to this touch coordinate and wipe the data of locking on the locking touch-screen, perhaps, when this touches area less than or equal to default touch area-limit, carry out the data input according to touch track corresponding to the touch coordinate of user on touch-screen.For example, the equipment at this touch-screen place can be that electronic whiteboard, lcd touch all-in-one, panel computer or other have the electronic equipment of touch-input function.
Default touch area-limit is divided into two intervals with the touch area of touch-screen: interval one: touch area greater than zero and less than or equal to default touch area-limit; Interval two: touch area greater than default touch area-limit.
When the user at the touch area on the touch-screen interval two the time, the data that this touch coordinate is corresponding on the instruction input module 12 locking touch-screens are also wiped the data of locking.When the touch area of user on touch-screen in the interval for the moment, instruction input module 12 will be carried out the data input according to the current touch track on touch-screen of user, for example, the touch track that the touch coordinate of user on touch-screen is corresponding can be literal, numeral, symbol, figure etc.
Further, the user that obtains of the first acquisition module 10 is at the touch area of the touch area on the touch-screen for the initial touch position of user on touch-screen.
When the user carried out touch action at touch-screen, such as the user during by the finger presses touch-screen, beginning to touch touch-screen from user's finger, to leave touch-screen to finger be a complete touch operation.Common, the user is the mobile touch operation that links up (as writing, draw, wipe at touch-screen etc.) in the touch operation of touch-screen, what the first acquisition module 10 obtained is the touch area of the initial touch position in this links up mobile touch operation, as by finger or lettering pen when preparing to write, finger or lettering pen are by the touch area that is pressed in when not moving on the touch-screen.
The first judge module 11, touch area by the initial touch position of user on touch-screen of the first acquisition module 10 acquisitions, with default touch area-limit, compare, according to comparative result, determine that the user passes through the touch input of touch-screen, that the touch track that the touch coordinate on touch-screen is corresponding according to the user is carried out the data input, still lock the data that on touch-screen, this touch coordinate is corresponding and wipe the data of locking, namely in same complete touch operation, carry out corresponding according to the user touch track on touch-screen carry out the data input, or carry out the corresponding data that lock the data that on touch-screen, this touch coordinate is corresponding and wipe locking in same complete touch operation.For example, the touch area of judging the initial touch position of user on touch-screen that the first acquisition module 10 obtains when the first judge module 11 is during less than or equal to default touch area-limit, instruction input module 12 is carried out data inputs (writing operation) according to touch track corresponding to the touch coordinate of user on touch-screen, no matter whether the touch area of user in this links up touch be always less than or equal to default touch area-limit, all the user is identified as according to touch track corresponding to the touch coordinate of user on touch-screen in the touch operation on the touch-screen and carries out the data input; When the first judge module 11 judges that the touch area of the initial touch position of user on touch-screen that the first acquisition module 10 obtains is greater than default touch area-limit, then lock the data that this touch coordinate is corresponding on the touch-screen and wipe the data of locking, no matter whether the touch area of user in this links up touch be always greater than default touch area-limit, all the user is identified as the data (erase operation) that lock the data that this touch coordinate is corresponding on the touch-screen and wipe locking in the touch operation on the touch-screen.Adopt said apparatus, can avoid in user's once complete coherent touch operation, between wiping and writing, switching repeatedly, especially for wipe this touch operation with palm, because the characteristics that palm is wiped, the user is difficult to keep whole palm to keep in touch in whole erase process, can not guarantee always that namely the touch area of palm and touch-screen is always greater than default touch area-limit; Adopt said apparatus, just can be at the touch area (being placed on the touch area that obtains when not moving on the touch-screen such as palm) of the initial touch position that obtains at the beginning during greater than default touch area-limit, the user is identified as the data that lock the data that this touch coordinate is corresponding on the touch-screen and wipe locking in the operation on the touch-screen, then when the user when continuing mobile palm, even palm has the part lifted also to lock the data that this touch coordinate is corresponding on the touch-screen and wipes the data of locking in the same old way.
With reference to Fig. 4, Fig. 4 is device the second example structure schematic diagram write with erase feature that switches at touch-screen of the present invention, and this device comprises:
The first acquisition module 10 is used for obtaining the touch coordinate of user on touch-screen and touches area;
The second acquisition module 13 is used for obtaining the user at the touch coordinate on the touch-screen and before touching area or afterwards or simultaneously, obtaining the touch time of user on touch-screen at this first acquisition module 10;
The first judge module 11 is used for judging that whether this touch area is greater than default touch area-limit;
The second judge module 14 is used for continuing to judge that whether the described touch time is greater than the touch time threshold values of presetting when the judged result of this first judge module 11 touches area greater than default touch area-limit for this;
Instruction input module 12 is used in the judged result of the first judge module 11 carrying out the data input according to touch track corresponding to the touch coordinate of user on touch-screen when touching area less than or equal to default touch area-limit; And to be used in the judged result of the first judge module 11 be this touch time greater than touch time of presetting during threshold values for this touches area greater than the judged result of default touch area-limit and the second judge module 14, locks the data that this touch coordinate is corresponding on the touch-screen and wipe the data of locking.
This touch-screen can be resistive touch screen, capacitor induction type touch-screen or infrared type touch-screen.In specific implementation process, the first acquisition module 10 is by detecting the touch point on the touch-screen and then obtain the touch coordinate of user on touch-screen and touch area, and the second acquisition module 13 is before the first acquisition module 10 detects touch coordinates and touches area or detect the touch time by timer afterwards or simultaneously.Touch area-limit that should be default is pre-stored on the equipment at this touch-screen place, on this equipment, a fixing storage space is set stores this default touch area-limit, can be for calling at any time.Should default touch area-limit the user be divided into two intervals at the touch area of touch-screen, interval one: touch area greater than zero and less than or equal to default touch area-limit; Interval two: touch area greater than default touch area-limit.Touch time threshold values that should be default is also pre-stored on the equipment at this touch-screen place, on this equipment, a fixing storage space is set stores this default touch time threshold values, can be for calling at any time.Touch time threshold values that should be default is divided the user for two intervals in the touch time of touch-screen: interval three: the touch time is greater than zero and less than or equal to default touch time threshold values; Interval four: the touch time is greater than default touch time threshold values.For example, the equipment at this touch-screen place can be that electronic whiteboard, lcd touch all-in-one, panel computer or other have the electronic equipment of touch-input function.
When the judged result of the first judge module 11 when touching area less than or equal to default touch area-limit, namely work as the touch area of user on touch-screen in the interval for the moment, instruction input module 12 will be carried out the data input according to touch track corresponding to the current touch coordinate on touch-screen of user.For example, the touch track of user on touch-screen can be literal, numeral, symbol, figure etc.For example, the user is when touch track is thicker on touch-screen, and then the track of input is thicker; The user is when touch track is thinner on touch-screen, and then the track of input is thinner.As, the word that writes out with thick finger is just large, and thin finger is because the little word that writes out of area is just thin.When the judged result of the first judge module 11 when touching area greater than default touch area-limit, and the judged result of the second judge module 14 is the touch time greater than default touch time during threshold values, namely when the user the touch area on the touch-screen interval two and the touch time interval four the time, the data that this touch coordinate is corresponding on the instruction input module 12 locking touch-screens are also wiped the data of locking.By default touch time threshold values, can effectively avoid mistake to wipe.
Further, this instruction input module 12 in the judged result of the first judge module 11 when touching area greater than default touch area-limit, and the judged result of the second judge module 14 is the touch time less than or equal to default touch time during threshold values, namely when the user the touch area on the touch-screen interval two and the touch time interval three the time, instruction input module 12 will be carried out the data input according to touch track corresponding to the current touch coordinate on touch-screen of user.
Further, this instruction input module 12 in the judged result of the first judge module 11 when touching area greater than default touch area-limit, and the judged result of the second judge module 14 is the touch time less than or equal to default touch time during threshold values, namely when the user the touch area on the touch-screen interval two and the touch time interval three the time, instruction input module 12 is not carried out any operation, the first acquisition module 10 and the second acquisition module 13 continue respectively to obtain the user next time the touch coordinate on touch-screen, touch area and touch time.
Further, the touch area that this first acquisition module 10 obtains is the touch area of the initial touch position of user on touch-screen, and the touch time that this second acquisition module 13 obtains is the touch time of the initial touch position on user's touch-screen.
For example, when the user carried out touch action at touch-screen, such as the user during by the finger presses touch-screen, beginning to touch touch-screen from user's finger, to leave touch-screen to finger be a complete touch operation.Common, the user is the mobile touch operation that links up (as writing, draw, wipe at touch-screen etc.) in the touch operation of touch-screen, what obtain by the first acquisition module 10 and the second acquisition module 13 is touch area and the touch time of the initial touch position in this links up mobile touch operation, as by finger or lettering pen when preparing to write, finger or lettering pen are by the touch area and the touch time that are pressed in when not moving on the touch-screen.
Further, default touch area-limit and default touch time threshold values can arrange according to actual needs, for example, can be by the input of the input method on the equipment of touch-screen place (for example, direct input digit), also can and touch the time list from existing touch area tabulation and select, also can obtain default touch area-limit and default touch time threshold values by interim collection.it is as follows with the process of the touch time threshold values of presetting that default touch area-limit is obtained in interim collection: the multi collect user is in the first touch area and touch time of pressing under dynamics, and obtain this first average touch area and average touch time of pressing dynamics, the multi collect user is in the second touch area and touch time of pressing under dynamics, and obtain this second average touch area and average touch time of pressing dynamics, according to this first average touch area of pressing dynamics, with the average touch time and second, press the average touch area and average touch time of dynamics again, obtain this user corresponding default touch area-limit and default touch time threshold values.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (10)
1. one kind switches the method write with erase feature at touch-screen, it is characterized in that, described method comprises:
Obtain the touch coordinate of user on touch-screen and touch area;
Judge that whether described touch area is greater than default touch area-limit;
At described touch area during greater than default touch area-limit, the data that locking touch-screen the above touch coordinate is corresponding are also wiped the data of locking, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area.
2. method according to claim 1 is characterized in that, obtains the user at the touch coordinate on the touch-screen and before touching the step of area or afterwards or simultaneously, the method also comprises described:
Obtain the touch time of user on touch-screen.
3. method according to claim 2 is characterized in that, judges described touch area whether after the step greater than default touch area-limit described, and the method comprises:
At described touch area during greater than default touch area-limit, judge that whether the described touch time is greater than default touch time threshold values, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area;
The described touch time greater than default touch time during threshold values, the data that the above touch coordinate of locking touch-screen is corresponding are also wiped the data of locking.
4. method according to claim 3 is characterized in that, described judgement touch the time whether greater than default touch time step during threshold values after, the method comprises:
The described touch time less than or equal to default touch time during threshold values, carry out the data input according to touch track corresponding to the touch coordinate of user on touch-screen.
5. method according to claim 3 is characterized in that, described judgement touch the time whether greater than default touch time step during threshold values after, the method comprises:
Continue to obtain the user next time the touch coordinate on touch-screen, touch area and touch time.
6. each described method is characterized in that according to claim 2-5, and described touch area is the touch area of the initial touch position of user on touch-screen, and the described touch time is the touch time of the initial touch position of user on touch-screen.
7. one kind switches the device write with erase feature at touch-screen, it is characterized in that, comprising:
The first acquisition module is used for obtaining the touch coordinate of user on touch-screen and touches area;
Whether the first judge module is used for judging described touch area greater than default touch area-limit,
Instruction input module, be used for when described touch area during greater than described default touch area-limit, the data that locking touch-screen the above touch coordinate is corresponding are also wiped the data of locking, perhaps, during less than or equal to default touch area-limit, carry out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area.
8. device according to claim 7 is characterized in that, described device also comprises:
The second acquisition module is used for obtaining the user at the touch coordinate on the touch-screen and before or after touching area or simultaneously, obtaining the touch time of user on touch-screen at described the first acquisition module.
9. device according to claim 8 is characterized in that, described device also comprises: the second judge module;
The second judge module when being used for judged result at described the first judge module and being described touch area greater than default touch area-limit, continues to judge that whether the described touch time is greater than the touch time threshold values of presetting;
Described instruction input module also is used for during less than or equal to default touch area-limit, carrying out data input according to touch track corresponding to the touch coordinate of user on touch-screen at described touch area; And be used for described touch area greater than default touch area-limit and described touch time greater than default touch time during threshold values, the data that the above touch coordinate of locking touch-screen is corresponding are also wiped the data of locking.
10. according to claim 8 or 9 described devices, it is characterized in that, described touch area is the touch area of the initial touch position of user on touch-screen, and the described touch time is the touch time of the initial touch position of user on touch-screen.
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| CN201310253657.4A CN103353828B (en) | 2013-06-24 | 2013-06-24 | The method and device of function is write and is wiped in a kind of switching on the touchscreen |
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