CN105808081A - Method and apparatus for rapidly deleting multiple objects by utilizing gesture - Google Patents
Method and apparatus for rapidly deleting multiple objects by utilizing gesture Download PDFInfo
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- CN105808081A CN105808081A CN201410838288.XA CN201410838288A CN105808081A CN 105808081 A CN105808081 A CN 105808081A CN 201410838288 A CN201410838288 A CN 201410838288A CN 105808081 A CN105808081 A CN 105808081A
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Abstract
The invention discloses a method and apparatus for rapidly deleting multiple objects by utilizing a gesture, which are applied to electronic white board software of which inputting is realized by touch equipment. The method comprises the following steps of: detecting three point touch operations which are continuously input by a user; when all the point touch operations are within a preset time interval and distance interval, entering a deleting mode; in the deleting mode, acquiring coordinates of three point touch operations, determining a characteristic region by the coordinates, and according to the characteristic region, generating a deletion selection set, wherein the characteristic region is a round region which uses a midpoint of the first two point touch operations as a circle center and using a distance from the circle center to the third point touch operation as a radius in the three point touch operations; and receiving a confirmation instruction of the user, and deleting all editable objects in the deletion selection set. According to the method and the apparatus which are disclosed by the invention, in a touch mode, the operation step of deleting multiple objects is greatly simplified, the whole processing process is simple, rapid and easy to implement, and working efficiency of the user is obviously improved.
Description
Technical field
The present invention relates to electronic whiteboard teaching software field, particularly relate to a kind of method and apparatus utilizing gesture quickly to delete multiple object.
Background technology
Touch input device application in daily life is more and more extensive, with corresponding software with the use of, it is possible to make user carry out many edit operations fast and easily.Said process, also by the general teaching being applied in teacher, uses electronic whiteboard and electronic whiteboard software, teacher can carrying out rapidly and efficiently prepare lessons, the daily teaching work such as give lessons.When teacher uses electronic whiteboard software to enter Making CAI soft, need frequent, substantial amounts of to courseware can carry out deletion action by edit object, but based on current touch apparatus and electronic whiteboard software, the process operation simultaneously deleting multiple object is comparatively laborious, teacher need repeatedly to touch click multiple in final election can edit object, entering follow-up deletion again to confirm, whole deletion process efficiency is low, and effect is also difficult to ensure that.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of method and apparatus utilizing gesture quickly to delete multiple object simply, efficiently.
Based on above-mentioned purpose a kind of method utilizing gesture quickly to delete multiple object provided by the invention, it is applied to the electronic whiteboard software inputted by touch apparatus, comprises the following steps:
Three some touch control operations that detection user inputs continuously；
When all described some touch control operations are all within default interval and distance interval, enter puncturing pattern；
Under described puncturing pattern, obtain the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation；
Receive the confirmation instruction of user, delete in described deletion choice set all can edit object.
Preferably, further comprise the steps of: when described three some touch control operations all terminate, exit described puncturing pattern.
Preferably, under described puncturing pattern, detect the follow-up input of described three some touch control operations in real time, regenerate described deletion choice set in real time according to described follow-up input.
Preferably, when entering described puncturing pattern, further comprise the steps of: reduction and enter all touch control operation effects triggered in described puncturing pattern process.
Preferably, entering after described puncturing pattern, further comprising the steps of: and described deletion choice set is done prominent effect show.
Optionally, described prominent effect shows and includes: flicker, edge are highlighted, assertive colours covers or eject instruction frame.
Present invention also offers a kind of device utilizing gesture quickly to delete multiple object, including:
Detection module, for detecting three some touch control operations that user inputs continuously；
Opening module, for when all described some touch control operations are all within default interval and distance interval, entering puncturing pattern；
Perform module, for, under described puncturing pattern, obtaining the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation；
Confirm module, for receiving the confirmation instruction of user, delete in described deletion choice set all can edit object.
Preferably, also include terminating module, for when described three some touch control operations all terminate, exiting described puncturing pattern.
Preferably, described execution module is additionally operable under described puncturing pattern, detects the follow-up input of described three some touch control operations in real time, regenerates described deletion choice set in real time according to described follow-up input.
Preferably, described opening module is additionally operable to when entering described puncturing pattern, and reduction enters all touch control operation effects triggered in described puncturing pattern process.
Preferably, also include reminding module, after being used for entering described puncturing pattern, described deletion choice set is done prominent effect and shows.
Optionally, described prominent effect shows and includes: flicker, edge are highlighted, assertive colours covers or eject instruction frame.
From the above it can be seen that the method and apparatus utilizing gesture quickly to delete multiple object provided by the invention, by detecting three some touch control operations of user's input, trigger and enter puncturing pattern；Under puncturing pattern, position according to three above-mentioned some touch control operations, quickly determines a characteristic area, and generates a deletion choice set according to this characteristic area, confirmation according further to user, it is possible to can delete deleting in choice set include all by edit object.Compared to prior art, the present invention greatly simplify the operating procedure deleting multiple objects, and whole processing procedure simply, quickly, easily realize, improves the work efficiency of user significantly.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The gesture that utilizes that Fig. 1 is the embodiment of the present invention quickly deletes the method flow diagram of multiple object；
The gesture that utilizes that Fig. 2 is another embodiment of the present invention quickly deletes the method flow diagram of multiple object；
The gesture that utilizes that Fig. 3 is the embodiment of the present invention quickly deletes the apparatus structure schematic diagram of multiple object.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
The embodiment of the present invention utilize the method and apparatus that gesture quickly deletes multiple object, be applied to the electronic whiteboard software inputted by touch apparatus.The main users of described electronic whiteboard software is teacher, teacher can carry out the broadcasting demonstration of courseware development and electronic courseware by electronic whiteboard software, the embodiment of the present invention is applied to above-mentioned courseware development process, teacher by electronic courseware edit page insert, edit various can edit object to generate electronic courseware.
Described electronic whiteboard software support touch apparatus input, is usually the touch screen of electronic whiteboard or handheld terminal；And support some conventional gesture input operations, as: some touch-control dragging object, the rotation of 2 touch-controls, scale objects, sliding trace shows etc..
With reference to Fig. 1, the gesture that utilizes for the embodiment of the present invention quickly deletes the method flow diagram of multiple object.
The method that gesture quickly deletes multiple object that utilizes of the present embodiment comprises the following steps:
Step 101: three some touch control operations that detection user inputs continuously；
Step 102: when all described some touch control operations are all within default interval and distance interval, enter puncturing pattern；
Step 103: under described puncturing pattern, obtains the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation；
Step 104: receive the confirmation instruction of user, delete in described deletion choice set all can edit object.
In step 101, the some touch control operation of detection user, testing conditions is: input and quantity are three continuously, three touch points dropping on touch screen that namely detection user inputs continuously.For a touch-control operation amount, i.e. the setting of three, is that the rotation of 2 touch-controls, scale objects equiphase zone are separately, it is to avoid the conflict of detection, reduce the amount of calculation that detection processes in order to put touch-control dragging object described above with some conventional touch control operations；It is simultaneous for the singlehanded touch-control input habit in user, it is achieved easily and rapidly touch control manner.
In step 102, three continuous print point touch control operations for detecting in step 101 do further judgement, judging in above-mentioned three some touch control operation, whether interval between any two continuous print point touch control operation and distance interval be all in default scope.For interval, in the present embodiment, the interval preset is 0-20 millisecond, and namely for any two continuous print point touch control operation, it drops on the time difference on touch screen less than 20 milliseconds；Considering that a touch-control operating gesture is by one man operation, has been tapped by fingers of single hand for user, be the coherent action of a comparison, several fingers can fully fall on touch screen in very short time.For distance interval, in the present embodiment, the distance preset is spaced apart and is not less than 20 pixels, namely drops on the difference of the distance between the point on touch screen for any two continuous print point touch control operation and is not less than 20 pixels；Considering that a touch-control operating gesture is by one man operation, has been tapped by fingers of single hand for user, several fingers drop on the point on touch screen when comparing concentration, cannot include for possibly the deletion choice set that generates in subsequent step multiple can edit object.It is when namely all somes touch control operations are all within default interval and distance interval, then enter puncturing pattern when two above-mentioned result of determination are.
In step 103, under puncturing pattern, first obtain the described coordinate triggering three the some touch control operations entering puncturing pattern.Utilize the coordinate of three the some touch control operations obtained, and then determine a characteristic area, this characteristic area is the part on the current edit page of electronic whiteboard software, concrete, this characteristic area is a border circular areas, its center of circle is in three described some touch control operations, the midpoint of the line of the some touch control operation that the first two falls, the distance of the some touch control operation that the midpoint to the 3rd of the line of the some touch control operation that its radius falls equal to the first two falls.After determining and having drawn characteristic area, further generate one and delete choice set, this deletion choice set have selected comprise in described characteristic area all simultaneously can edit object, demonstrating the graphic limit of described characteristic area, namely what this deletion choice set included all can be confirmed as object to be deleted by edit object simultaneously.
In step 104, above-mentioned steps defines to be deleted multiple can edit object, it is necessary to further determined that deletion action by user.After the confirmation instruction receiving user, all can delete what delete in choice set by edit object.In the present embodiment, receive user and confirm the step of instruction particularly as follows: after described deletion choice set generates, eject one to confirm to delete prompting frame, this confirmation is deleted prompting frame and is included " confirmation " and " cancellation " two optionies, when user selects " confirmations ", by delete in choice set all can edit object deletion；When user selects " cancellation ", clear described deletion choice set, and exit puncturing pattern accordingly.
In the present embodiment, the process of the whole operation of user is: touch touch screen by three fingers, enters puncturing pattern.Now, three fingers of software identification user touch three some touch control operations that touch screen triggers, and the position coordinates according to three some touch control operations, determine a characteristic area, and by include in this characteristic area all can edit object select into one delete choice set, ejecting simultaneously and confirm to delete prompting frame, user clicks " confirmations " option, software by delete in choice set all can edit object deletion.
Visible, by the method for the present embodiment, puncturing pattern is triggered by a touch control operation, and quickly determine according to the some touch control operation of user generate one comprise multiple can the deletion choice set of edit object, after receiving the confirmation instruction of user further, it is achieved quickly, simply by multiple can delete by edit object.
With reference to Fig. 2, the gesture that utilizes for another embodiment of the present invention quickly deletes the method flow diagram of multiple object.
As another embodiment, the described method utilizing gesture quickly to delete multiple object, comprise the following steps:
Step 201: three some touch control operations that detection user inputs continuously.
Step 202: when all described some touch control operations are all within default interval and distance interval, enter puncturing pattern.
Step 203: reduction enters all touch control operation effects triggered in described puncturing pattern process.
When entering puncturing pattern, point touch control operation can successively drop on touch screen, simultaneously because finger falls the small movement that can occur on touch screen to be not easily easily noticed by the users, therefore in the process that multiple somes touch control operations successively fall, the several somes touch control operations first fallen are likely to be identified as other conventional gesture touch control operation.Such as, when first some touch control operation falls and minute movement occurs, sliding trace display gesture can be identified as, a bit of track can occur in edit object first；First, second some touch control operation has dropped on certain can on edit object, and second some touch control operation falls and during relative to first some touch control operation generation minute movement, can be identified as convergent-divergent gesture, this can edit object can be scaled.In order to avoid above-mentioned problem, in this step, all touch control operation effects reduction triggered in puncturing pattern process can be entered, be about to mobile, zooming effect described above and all cancel.
Step 204: under described puncturing pattern, obtains the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation.
Step 205: under described puncturing pattern, detects the follow-up input of described three some touch control operations in real time, regenerates described deletion choice set in real time according to described follow-up input.
In the present embodiment, three the some touch control operations triggering puncturing pattern further can be done follow-up input by user, and general, this follow-up input is slide, and namely user falls after next some touch control operation, and then with this point for starting point, does slide.When user carries out aforesaid operations, monitor this slide in real time, and the end point position coordinates according to this slide, redefine described characteristic area and generate described deletion choice set, by this step, a touch control operation can be slided into new position by user, and to change the size of characteristic area, and then change is deleted comprised moral in choice set and can be obtained quantity by edit object.
Step 206: entering after described puncturing pattern, further comprises the steps of: and described deletion choice set is done prominent effect shows.
After entering puncturing pattern, described deletion choice set is done prominent effect and shows, in order to point out user currently to come into puncturing pattern.Concrete, described prominent effect shows and includes: described deletion choice set does overall flicker, edge is highlighted, assertive colours covers or ejection instruction frame points to described deletion choice set etc., make its with other can have obvious difference by edit object, with reach prompting effect.
Step 207: receive the confirmation instruction of user, delete in described deletion choice set all can edit object.
In the present embodiment, receive user and confirm the step of instruction particularly as follows: after described deletion choice set generates, further detect the touch-control input of user, slidably input when detecting that user have input, and this starting point slidably inputed is positioned at described deletion choice set, terminating point be positioned at described deletion choice set outer time, delete in described deletion choice set all can edit object, namely the confirmation instruction of user, is also realized by gesture operation.
Step 208: when described three some touch control operations all terminate, exit described puncturing pattern.
In this step, shake due to the shake of user's finger or touch-screen equipment, it is likely to cause a touch control operation to terminate, therefore in order to avoid above-mentioned maloperation, the decision condition exiting puncturing pattern is set as that described three the some touch control operations entering puncturing pattern that trigger all terminate.
The embodiment of the present invention additionally provides a kind of device utilizing gesture quickly to delete multiple object, and with reference to Fig. 3, the gesture that utilizes for the embodiment of the present invention quickly deletes the apparatus structure schematic diagram of multiple object.
The described device that gesture quickly deletes multiple object that utilizes includes:
Detection module 301, for detecting three some touch control operations that user inputs continuously；
Opening module 302, for when all described some touch control operations are all within default interval and distance interval, entering puncturing pattern；
Perform module 303, for, under described puncturing pattern, obtaining the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation；
Confirm module 304, for receiving the confirmation instruction of user, delete in described deletion choice set all can edit object.
In the present embodiment, described device also includes: terminate module 305, for when described three some touch control operations all terminate, exiting described puncturing pattern.
Wherein, described execution module 303 is additionally operable under described puncturing pattern, detects the follow-up input of described three some touch control operations in real time, regenerates described deletion choice set in real time according to described follow-up input.
Described opening module 302 is additionally operable to when entering described puncturing pattern, and reduction enters all touch control operation effects triggered in described puncturing pattern process.
Further, described device also includes: reminding module 306, after being used for entering described puncturing pattern, described deletion choice set is done prominent effect and shows.Concrete, described prominent effect shows and includes: glimmer, edge is highlighted, assertive colours covers or ejects instruction frame.
Those of ordinary skill in the field are it is understood that the foregoing is only specific embodiments of the invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (12)
1. the method utilizing gesture quickly to delete multiple object, is applied to the electronic whiteboard software inputted by touch apparatus, it is characterised in that comprise the following steps:
Three some touch control operations that detection user inputs continuously；
When all described some touch control operations are all within default interval and distance interval, enter puncturing pattern；
Under described puncturing pattern, obtain the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation；
Receive the confirmation instruction of user, delete in described deletion choice set all can edit object.
2. method according to claim 1, it is characterised in that further comprise the steps of: when described three some touch control operations all terminate, exit described puncturing pattern.
3. method according to claim 2, it is characterised in that under described puncturing pattern, detects the follow-up input of described three some touch control operations in real time, regenerates described deletion choice set in real time according to described follow-up input.
4. method according to claim 1, it is characterised in that when entering described puncturing pattern, further comprises the steps of: reduction and enters all touch control operation effects triggered in described puncturing pattern process.
5. method according to claim 1, it is characterised in that entering after described puncturing pattern, further comprises the steps of: and described deletion choice set is done prominent effect shows.
6. method according to claim 5, it is characterised in that described prominent effect shows and includes: glimmer, edge is highlighted, assertive colours covers or ejects instruction frame.
7. one kind utilizes the device that gesture quickly deletes multiple object, it is characterised in that including:
Detection module, for detecting three some touch control operations that user inputs continuously；
Opening module, for when all described some touch control operations are all within default interval and distance interval, entering puncturing pattern；
Perform module, for, under described puncturing pattern, obtaining the coordinate of described three some touch control operations, described coordinate determine a characteristic area, and generate a deletion choice set according to described characteristic area；Wherein, described characteristic area is in described three some touch control operations, and with the midpoint of the first two point touch control operation for the center of circle, the described center of circle is to the border circular areas that distance is radius of the 3rd some touch control operation；
Confirm module, for receiving the confirmation instruction of user, delete in described deletion choice set all can edit object.
8. device according to claim 7, it is characterised in that also include terminating module, for when described three some touch control operations all terminate, exiting described puncturing pattern.
9. device according to claim 8, it is characterised in that described execution module is additionally operable under described puncturing pattern, detects the follow-up input of described three some touch control operations in real time, regenerates described deletion choice set in real time according to described follow-up input.
10. device according to claim 7, it is characterised in that described opening module is additionally operable to when entering described puncturing pattern, and reduction enters all touch control operation effects triggered in described puncturing pattern process.
11. device according to claim 7, it is characterised in that also include reminding module, after being used for entering described puncturing pattern, described deletion choice set is done prominent effect and shows.
12. device according to claim 11, it is characterised in that described prominent effect shows and includes: glimmer, edge is highlighted, assertive colours covers or ejects instruction frame.
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| CN201410838288.XA CN105808081A (en) | 2014-12-29 | 2014-12-29 | Method and apparatus for rapidly deleting multiple objects by utilizing gesture |
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| CN201410838288.XA CN105808081A (en) | 2014-12-29 | 2014-12-29 | Method and apparatus for rapidly deleting multiple objects by utilizing gesture |
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| US20210349594A1 (en) * | 2019-01-24 | 2021-11-11 | Vivo Mobile Communication Co., Ltd. | Content deleting method, terminal, and computer readable storage medium |
| CN114327109A (en) * | 2020-09-30 | 2022-04-12 | 明基智能科技（上海）有限公司 | Touch operation method and touch operation system |
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