CN108874275A - A kind of handwriting erasing method, apparatus, terminal and computer readable storage medium - Google Patents
A kind of handwriting erasing method, apparatus, terminal and computer readable storage medium Download PDFInfo
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- CN108874275A CN108874275A CN201810623538.6A CN201810623538A CN108874275A CN 108874275 A CN108874275 A CN 108874275A CN 201810623538 A CN201810623538 A CN 201810623538A CN 108874275 A CN108874275 A CN 108874275A
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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]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of handwriting erasing method, apparatus, terminal and computer readable storage mediums.The handwriting erasing method includes：Confirm the writing color of person's handwriting to be erased in electronic whiteboard；It eliminates in the erasing region that touch control operation determines with the person's handwriting for writing color.Implement the embodiment of the present invention, can solve in the prior art, numerous person's handwritings mix, it is difficult to which the problem of wiping specific person's handwriting realizes the effect that can wipe specific person's handwriting using shirtsleeve operation.
Description
Technical field
The present embodiments relate to touch-screen applications technology more particularly to a kind of handwriting erasing method, apparatus, terminal and meter
Calculation machine readable storage medium storing program for executing.
Background technique
In the prior art, there is large screen and the touch screen flat panel of human-computer interaction can be realized in teaching scene and conference scenario
Scene etc. more people interaction is widely used.Touch screen flat panel can by open whiteboarding software make touch screen part or
All as electronic whiteboard, writing painting canvas is provided in the scene of more people interaction and is write to user.In writing process, it may appear that
Numerous person's handwritings such as text, lines, label symbol mix, and are just difficult to wipe specific person's handwriting when wiping person's handwriting.
Summary of the invention
The present invention provides a kind of handwriting erasing method, apparatus, terminal and computer readable storage medium, to realize using letter
Specific person's handwriting is wiped in single operation.
In a first aspect, the embodiment of the invention provides a kind of handwriting erasing methods, including：
Confirm the writing color of person's handwriting to be erased in electronic whiteboard；
It eliminates in the erasing region that touch control operation determines with the person's handwriting for writing color.
Second aspect, the embodiment of the invention also provides a kind of handwriting erasing devices, including：
Color confirmation module, for confirming the writing color of person's handwriting to be erased in electronic whiteboard；
Handwriting erasing module, for eliminating in the erasing region that touch control operation determines with the person's handwriting for writing color.
The third aspect, the embodiment of the invention also provides a kind of terminal, the terminal includes：
One or more processors；
Memory, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the handwriting erasing method that any embodiment of that present invention provides.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the handwriting erasing method that any embodiment of that present invention provides when the program is executed by processor.
The present invention before wiping person's handwriting by confirming the writing color of person's handwriting for needing to wipe, so as to by electronic whiteboard
It is upper to be deleted using the specific person's handwriting for writing color writing, under more people's interaction scenarios, even if text, lines, label symbol etc.
Numerous person's handwritings are mixed, and can still wipe specific person's handwriting.Such as in meeting, different user uses different color books
It writes, the person's handwriting of some user can be wiped as needed；In preschool education scene, the pastel of child's scribble can be wiped easily
Mark.It solves in the prior art, numerous person's handwritings mix, it is difficult to which the problem of wiping specific person's handwriting is realized using simple behaviour
Work can wipe the effect of specific person's handwriting.
Detailed description of the invention
Fig. 1 is the flow chart for the handwriting erasing method that the embodiment of the present invention one provides；
Fig. 2 is the handwriting erasing schematic diagram in the embodiment of the present invention one；
Fig. 3 is the flow chart of handwriting erasing method provided by Embodiment 2 of the present invention；
Fig. 4 is the handwriting erasing schematic diagram in the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram for the handwriting erasing device that the embodiment of the present invention three provides；
Fig. 6 is the structural schematic diagram for the terminal that the embodiment of the present invention four provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is the flow chart for the handwriting erasing method that the embodiment of the present invention one provides, and the present embodiment is applicable in electronics
The case where person's handwriting is wiped on blank, this method can be executed by the handwriting erasing device being integrated in touch screen flat panel, specifically
Include the following steps：
The writing color of person's handwriting to be erased in step 110, confirmation electronic whiteboard；
Step 120 is eliminated in the erasing region that touch control operation determines with the person's handwriting for writing color.
Wherein, electronic whiteboard can be dedicated for providing the touch screen flat panel for writing painting canvas.In addition, in touch screen flat panel
Upper installation whiteboarding software, after whiteboarding software starting, touch screen flat panel shows blank painting canvas, then some or all of touch screen can also
As electronic whiteboard.Color is write in step 110 confirmation can be there are many embodiment.For example, display includes in electronic whiteboard
The toolbar of multiple color option confirms that the color is selected when detecting touch action of the user to one of color options
Writing color of the corresponding color of item as person's handwriting to be erased.
In step 120, determine that also there are many embodiments in touch control operation determining erasing region.Optionally, touch control operation
To touch drag motions, user can pull the erasing tool of the mobile such as erasing rubber shown on electronic plane, and person's handwriting is wiped
Except device determines the mobile display area covered of erasing tool by detecting the dragging touch action of user, then the erasing tool covers
The display area of lid is the erasing region that touch control operation determines.Alternatively, handwriting erasing schematic diagram as shown in Figure 3, user can be with
The closed figure 23 for being formed and surrounding person's handwriting 22 to be erased is touched on electronic whiteboard 21, handwriting erasing device passes through detection Closed Graph
Shape 23 determines erasing region, i.e. step 120 includes：When detecting that touch action track of the user on the electronic whiteboard formed
When closed figures, the determining erasing region using the display area that the closed figures are surrounded as touch control operation；Described in elimination
It wipes in region with the person's handwriting for writing color.This mode be able to use family without pull erasing tool cover it is all
Person's handwriting to be erased reduces the labour that user pays, and for the person's handwriting of some small areas, may be implemented more accurately to wipe.
The prior art is all and the present embodiment by all handwriting erasings in the erasing region for specified erasing region,
The person's handwriting with specified writing color can be only wiped, plays the effect for quickly wiping specified person's handwriting in numerous person's handwritings, especially
It, can greatly raising efficiency in some more people's interaction scenarios.For example, user may in teaching occasions or meeting occasion
Emphasis label, deletion label etc. can be done in text paragraph with obvious colors such as red or yellow on blank, as shown in Figure 2
Person's handwriting to be erased 22, be underscore, strikethrough made of special color etc. label, if user explanation presentation process in need
Label is wiped, since text and label mix, the method for deleting that the prior art provides is difficult to wipe, and uses this reality
The handwriting erasing method for applying example offer, then can quickly, advantageously wipe label, so that the progress of user's explanation is unaffected.
For another example, at the meeting occasion, the link that more people such as brainstorming discuss, each user can be used different colors and write respectively
From viewpoint, using handwriting erasing method provided in this embodiment, then can quickly, advantageously wipe any one user writing
Viewpoint information.For another example, in preschool education scene, after teacher writes or draws on blank, child is allowed to use on blank
Particular color scribble, if child can wipe easily after scrawling.It should be noted that user's written handwriting it
Before, the selection of person's handwriting color is chosen, or pass through intelligence also there are many embodiment on the toolbar such as shown on electronic whiteboard
The person's handwriting color that the lettering pen is write is arranged in key on energy lettering pen.
To sum up, the technical solution of the present embodiment needs the writing color for the person's handwriting wiped by confirming before wiping person's handwriting,
So as to be deleted on electronic whiteboard using the specific person's handwriting for writing color writing, under more people's interaction scenarios, even if literary
Numerous person's handwritings such as word, lines, label symbol are mixed, and can still wipe specific person's handwriting.Such as in meeting, different user
It is write using different colors, the person's handwriting of some user can be wiped as needed；In preschool education scene, children can be wiped easily
The colored person's handwriting of youngster's scribble.It solves in the prior art, numerous person's handwritings mix, it is difficult to the problem of wiping specific person's handwriting, it is real
The effect of specific person's handwriting can be now wiped using shirtsleeve operation.
Embodiment two
Fig. 2 is the flow chart of handwriting erasing method provided by Embodiment 2 of the present invention, and the present embodiment is in a upper embodiment
On the basis of, a kind of preferred embodiment of writing color confirming person's handwriting to be erased is provided, and with the preferred embodiment phase
The convenient and fast embodiment that person's handwriting is wiped in specified erasing region answered.The present embodiment may be equally applied on electronic whiteboard
The case where wiping person's handwriting, this method can be executed by the handwriting erasing device being integrated in touch screen flat panel.Specifically, this reality
The handwriting erasing method for applying example offer includes the following steps 310 to 340；Wherein step 310 and step 320 are to walk in embodiment one
Rapid 110 specific implementation step, step 330 and step 340 are the specific implementation step of step 120 in embodiment one.
Step 310, after entering handwriting erasing operating mode, display the first erasing tool it is different with multiple colors the
Two erasing tools.
Generally, electronic whiteboard in use, can there are many operating mode, including handwriting erasing operating mode and
Handwriting operating mode.Under handwriting erasing operating mode, user can wipe electronic whiteboard to the touch action of electronic whiteboard
On corresponding person's handwriting, under handwriting operating mode, user to the touch action of electronic whiteboard can make on electronic whiteboard show
Show corresponding person's handwriting.Handwriting erasing method provided in this embodiment treats the confirmation of the writing color of erasing person's handwriting, to scratching area
The determination in domain and erasing person's handwriting should all carry out under handwriting erasing operating mode.How handwriting erasing operating mode is entered,
There are many embodiments.Optionally, operating mode select tools column is shown in electronic whiteboard, detects user in toolbar to work
The touch of operation mode selects.Alternatively, determining operating mode, such as basis by detecting whether specified touch action feature
Electronic whiteboard enters handwriting erasing operating mode by the dimension information confirmation of touch area, and optional embodiment includes：Work as quilt
When the area or catercorner length of touch area are greater than preset threshold value, confirmation enters handwriting erasing operating mode, this mode
So that user may not need the select tools column region for touching and specifying and can easily enter handwriting erasing operating mode, such as
User can enter handwriting erasing operating mode with the back of the hand or palm touch electronic whiteboard triggering electronic whiteboard, can also be with similar
There is blackboard eraser etc. traditional erasing tool triggering of larger area to enter handwriting erasing operating mode, so that the use of electronic whiteboard
The use feeling of impression and conventional white board is more closely, meet the habit demand of user.Referring to Fig. 4, Fig. 4 is the pen of the present embodiment
Mark wipes schematic diagram.After user's triggering enters handwriting erasing operating mode, handwriting erasing device can show the first erasing work
The second erasing tool 25 different with multiple colors of tool 24, it is preferable that first erasing tool 24 is shown by touch area described,
And multiple second erasing tools 25 are shown in the display area by other than touch area.
Step 320, when detect executed on the electronic whiteboard from the first erasing tool to any one
When the touch action of two erasing tool slides, the color for the second erasing tool that confirmation sliding is directed toward is the writing of person's handwriting to be erased
Color.
According to step 320, user only needs to make from the first erasing tool to slide to the second erasing tool on electronic whiteboard
Movement (finger slides to top-down second the second erasing tool in side from the first erasing tool 24 as illustrated in the drawing
25) it, that is, is convenient to confirm the writing color of person's handwriting to be erased.
The present embodiment using into can be one of various ways provided above by the way of handwriting erasing operating mode,
Handwriting erasing operating mode is preferably entered by the dimension information confirmation of touch area according to electronic whiteboard, then when user's entity
After raclementum (the back of the hand, palm or the biggish entity of blackboard eraser homalographic) touch electronic whiteboard enters handwriting erasing operating mode,
Raclementum does not have to be detached from electronic whiteboard, shows the first erasing tool 24 in the position of raclementum touch electronic whiteboard, wipes first
Except the second erasing of display tool 25 by tool 24, as long as at this point, raclementum, which is slided to, it is expected the second of the color chosen with user
Erasing tool 25 can quickly confirm the writing color of person's handwriting to be erased.The preferred embodiment needs user only with wiping
Except object slides on electronic whiteboard, handwriting erasing operating mode can be entered, and select the writing color of person's handwriting to be erased, operated
It is extremely convenient.It is wiped, is cooperated it is highly preferred that being identified the handwriting by the way of the erasing tool on traditional dragging electronic whiteboard
Above-mentioned preferred embodiment enables to erase process more convenient and meets the erasing habit of people.
Optionally, when detect executed on the electronic whiteboard from the first erasing tool to any one second
When wiping the touch action of tool slide, the sliding touch action is followed to show the first erasing tool, so that sliding is true
The process for recognizing writing color is vivid.
Step 330, display current erasure tool, detection user executed on electronic whiteboard to the current erasure tool
Touch drag motions, follow the touch drag motions to show the current erasure tool；
Step 340, the erasing region determined using the display area of current erasure tool covering as touch control operation, are eliminated
With the person's handwriting for writing color in the erasing region.
Wherein, current erasure tool can be the second erasing tool that the sliding is directed toward, and slides confirmation in user and writes
After color, the first erasing tool disappears, and only shows that the second erasing tool disappears as current erasure tool or the first erasing tool
It loses, the display feature for changing the second erasing tool makes current erasure tool, and visual effect is the first erasing tool and the
Two erasing tools are merged into a new erasing tool.Cooperate above-mentioned preferred embodiment, raclementum is after sliding confirms color
The determination in erasing region can be directly carried out, handwriting erasing is completed, then writes color to determination from into handwriting erasing mode, confirmation
Erasing region is wiped, and whole process raclementum can all rest on electronic whiteboard, and erase process is white using tradition with people
Blackboard eraser meets the habit of people and very convenient except the process of person's handwriting is almost without difference.Certainly, current erasure tool can also be with
It is unrelated with the first erasing tool, the second erasing tool, optionally, after selected color, settable first erasing tool and second
Erasing tool disappears, and later when detecting that electronic whiteboard is touched, then is showing current erasure tool by touch area.
Based on the above technical solution, handwriting erasing method provided in this embodiment further includes：
Step 350, at the end of detecting user to the touch drag motions of the current erasure tool, cancel display institute
Current erasure tool is stated, and exits handwriting erasing operating mode, into handwriting mode.
Step 350 makes user after a continuously person's handwriting of erasing, that is, handwriting erasing mode is exited, into handwriting mould
Formula can prevent from accidentally wiping.
Based on the above technical solution, handwriting erasing method provided in this embodiment further includes：
Step 360, when exiting handwriting erasing operating mode, execute timing；
Step 370, when being again introduced into handwriting erasing operating mode, if timing time is less than or equal to preset threshold value,
The writing color of person's handwriting to be erased when then entering handwriting erasing operating mode with the last time is the writing of this person's handwriting to be erased
Color；If timing time is greater than preset threshold value, the writing color of person's handwriting to be erased in electronic whiteboard is reaffirmed.
According to step 360 and step 370, after exiting handwriting erasing operating mode, it is again introduced into handwriting erasing Working mould
Formula is not necessarily to reaffirm the writing color of person's handwriting to be erased if interval time is shorter, so that user is in continuously erasing multiple groups
When person's handwriting, frequently confirmation can not had to and write color, facilitate the operation of user, improve user experience.
It should be noted that the present embodiment is as a preferred embodiment, and in the case where not generating contradictory situation, the skill of this field skill
Art personnel can suitably accept or reject each preferred feature provided in this embodiment, or other spies provided with embodiment one
Sign is combined.For example, detection is from the first erasing tool to the touch action of the second erasing tool slide, it is thus identified that
After the color for wiping person's handwriting, the method that detection closed figures touch action track can be used determines erasing region；Exit person's handwriting
The method of erasing operating mode, which can be, detects that closed figures exit after the completion, is also possible to detect user in toolbar pair
The touch of operating mode selects, and is exited according to user in the selection operation confirmation of toolbar.Suchlike technical characteristic combination,
In conjunction with substitution all without departing from present inventive concept.
To sum up, the technical solution of the present embodiment needs the writing color for the person's handwriting wiped by confirming before wiping person's handwriting,
So as to be deleted on electronic whiteboard using the specific person's handwriting for writing color writing, under more people's interaction scenarios, even if literary
Numerous person's handwritings such as word, lines, label symbol are mixed, and can still wipe specific person's handwriting.And it is dynamic using easy sliding
Make and drag motions realize that color confirmation and erasing region determine that the use habit for not only conforming with people is also very convenient, optimization
User experience.
Embodiment three
Fig. 3 is the structural schematic diagram for the handwriting erasing device that the embodiment of the present invention three provides.The handwriting erasing device includes：
Color confirmation module 510, for confirming the writing color of person's handwriting to be erased in electronic whiteboard；
Handwriting erasing module 520, for eliminating in the erasing region that touch control operation determines with the pen for writing color
Mark.
Optionally, color confirmation module 510 includes：
Unit to be selected, for after entering handwriting erasing operating mode, the first erasing tool of display and multiple colors to be not
The second same erasing tool；
Confirmation unit, for when detect executed on the electronic whiteboard from the first erasing tool to any one
When the touch action of a second erasing tool slide, the color for the second erasing tool that confirmation sliding is directed toward is person's handwriting to be erased
Write color.
As one of embodiment, handwriting erasing module 520 includes：
Follow unit, for showing current erasure tool, detection user executed on electronic whiteboard to the current wiping
Except the touch drag motions of tool, the touch drag motions is followed to show the current erasure tool；
Unit is wiped, the scratching area that the display area for covering using the current erasure tool is determined as touch control operation
Domain is eliminated in the erasing region with the person's handwriting for writing color.
Optionally, handwriting erasing device further includes：
Mode switch module, at the end of it detect user to the touch drag motions of the current erasure tool,
Cancel and show the current erasure tool, and exit handwriting erasing operating mode, into handwriting mode.
Optionally, handwriting erasing device further includes：
Timing module, for executing timing when exiting handwriting erasing operating mode；
Module is reseted, when for being again introduced into handwriting erasing operating mode, if timing time is less than or equal to preset
Threshold value, then the writing color of the person's handwriting to be erased when entering handwriting erasing operating mode with the last time are this person's handwriting to be erased
Write color；If timing time is greater than preset threshold value, the writing color of person's handwriting to be erased in electronic whiteboard is reaffirmed.
Alternatively embodiment, handwriting erasing module 520 include：
Occlusion detection unit detects that touch action track of the user on the electronic whiteboard forms closure figure for working as
When shape, the determining erasing region using the display area that the closed figures are surrounded as touch control operation；
Second erasing unit, for eliminating in the erasing region with the person's handwriting for writing color.
Handwriting erasing device provided by the embodiment of the present invention can be performed person's handwriting provided by any embodiment of the invention and wipe
Except method, have the corresponding functional module of execution method and beneficial effect.
Example IV
Fig. 6 is a kind of structural schematic diagram for terminal that the embodiment of the present invention four provides, as shown in fig. 6, the terminal includes place
Manage device 610, memory 620, input unit 630 and output device 640；In terminal the quantity of processor 610 can be one or
It is multiple, in Fig. 6 by taking a processor 610 as an example；Processor 610, memory 620, input unit 630 and output dress in terminal
Setting 640 can be connected by bus or other modes, in Fig. 6 for being connected by bus.
Memory 620 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, if the corresponding program instruction/module of handwriting erasing method in the embodiment of the present invention is (for example, handwriting erasing fills
Color confirmation module 510 and handwriting erasing module 520 in setting).Processor 610 is stored in memory 620 by operation
Software program, instruction and module realize above-mentioned person's handwriting thereby executing the various function application and data processing of terminal
Method for deleting.
Memory 620 can mainly include storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 620 may include high-speed random access memory, can also include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, memory 620 can be into one
Step includes the memory remotely located relative to processor 610, these remote memories can pass through network connection to terminal.On
The example for stating network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 630 can be used for receiving the number or character information of input, and generate with the user setting of terminal with
And the related key signals input of function control.Output device 640 may include that display screen etc. shows equipment.Integrated handwriting erasing device
Terminal, preferably touch screen flat panel, such as be dedicated as the touch screen flat panel of electronic whiteboard, or be equipped with the touching of whiteboarding software
Touch screen plate.The output device 640 of touch screen flat panel is display screen, and input unit 630 can be to be cooperated with output device 640,
Detect the touch input device of touch action of the user on output device 640 (display screen), such as infrared touch frame or electromagnetism
Screen etc..
Embodiment five
The embodiment of the present invention five also provides a kind of computer readable storage medium, is stored thereon with computer program, the journey
Realize that a kind of handwriting erasing method, this method include when sequence is executed by processor：
Confirm the writing color of person's handwriting to be erased in electronic whiteboard；
It eliminates in the erasing region that touch control operation determines with the person's handwriting for writing color.
Certainly, a kind of computer readable storage medium provided by the embodiment of the present invention, computer executable instructions are not
It is limited to method operation as described above, the correlation in handwriting erasing method provided by any embodiment of the invention can also be performed
Operation.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, included each unit and module are only pressed in the embodiment of above-mentioned handwriting erasing device
It is divided, but is not limited to the above division according to function logic, as long as corresponding functions can be realized；In addition,
The specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (11)
1. a kind of handwriting erasing method, which is characterized in that including：
Confirm the writing color of person's handwriting to be erased in electronic whiteboard；
It eliminates in the erasing region that touch control operation determines with the person's handwriting for writing color.
2. handwriting erasing method as described in claim 1, which is characterized in that person's handwriting to be erased in the confirmation electronic whiteboard
Color is write, is specifically included：
After entering handwriting erasing operating mode, display the first erasing tool second erasing tool different with multiple colors；
When detect executed on the electronic whiteboard it is sliding from the first erasing tool to any one the second erasing tool
When dynamic touch action, the color for the second erasing tool that confirmation sliding is directed toward is the writing color of person's handwriting to be erased.
3. handwriting erasing method as claimed in claim 1 or 2, which is characterized in that the erasing eliminating touch control operation and determining
With the person's handwriting for writing color in region, specifically include：
Show current erasure tool, the touch to the current erasure tool that detection user executes on electronic whiteboard pulls dynamic
Make, the touch drag motions is followed to show the current erasure tool；
Using the erasing region that the display area of current erasure tool covering is determined as touch control operation, the erasing region is eliminated
In with it is described write color person's handwriting.
4. handwriting erasing method as claimed in claim 3, which is characterized in that in the scratching area that the elimination touch control operation determines
After person's handwriting with the writing color in domain, further include：
At the end of detecting user to the touch drag motions of the current erasure tool, cancels and show the current erasure work
Tool, and handwriting erasing operating mode is exited, into handwriting mode.
5. handwriting erasing method as claimed in claim 4, which is characterized in that in the scratching area that the elimination touch control operation determines
After person's handwriting with the writing color in domain, further include：
When exiting handwriting erasing operating mode, timing is executed；
When being again introduced into handwriting erasing operating mode, if timing time be less than or equal to preset threshold value, with the last time into
The writing color of person's handwriting to be erased when entering handwriting erasing operating mode is the writing color of this person's handwriting to be erased；If timing
Time is greater than preset threshold value, then reaffirms the writing color of person's handwriting to be erased in electronic whiteboard.
6. handwriting erasing method as claimed in claim 1 or 2, which is characterized in that the erasing eliminating touch control operation and determining
With the person's handwriting for writing color in region, specifically include：
When detecting that touch action track of the user on the electronic whiteboard forms closed figures, with the closed figures institute
The erasing region that the display area of encirclement is determined as touch control operation；
It eliminates in the erasing region with the person's handwriting for writing color.
7. a kind of handwriting erasing device, which is characterized in that including：
Color confirmation module, for confirming the writing color of person's handwriting to be erased in electronic whiteboard；
Handwriting erasing module, for eliminating in the erasing region that touch control operation determines with the person's handwriting for writing color.
8. handwriting erasing device as claimed in claim 7, which is characterized in that the color confirmation module includes：
Unit to be selected, for after entering handwriting erasing operating mode, display the first erasing tool to be different with multiple colors
Second erasing tool；
Confirmation unit, for when detect executed on the electronic whiteboard from the first erasing tool to any one the
When the touch action of two erasing tool slides, the color for the second erasing tool that confirmation sliding is directed toward is the writing of person's handwriting to be erased
Color.
9. handwriting erasing device as claimed in claim 7 or 8, which is characterized in that the handwriting erasing module includes：
Follow unit, for showing current erasure tool, detection user executed on electronic whiteboard to the current erasure work
The touch drag motions of tool follow the touch drag motions to show the current erasure tool；
Unit is wiped, the erasing region that the display area for covering using the current erasure tool is determined as touch control operation disappears
Except the person's handwriting with the writing color in the erasing region.
10. a kind of terminal, which is characterized in that the terminal includes：
One or more processors；
Memory, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as handwriting erasing method as claimed in any one of claims 1 to 6.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Such as handwriting erasing method as claimed in any one of claims 1 to 6 is realized when execution.
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