CN107291350B - Method for deleting and terminal device applied to the terminal device for supporting multi-point touch - Google Patents
Method for deleting and terminal device applied to the terminal device for supporting multi-point touch Download PDFInfo
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- CN107291350B CN107291350B CN201710453570.XA CN201710453570A CN107291350B CN 107291350 B CN107291350 B CN 107291350B CN 201710453570 A CN201710453570 A CN 201710453570A CN 107291350 B CN107291350 B CN 107291350B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000000717 retained effect Effects 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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Classifications
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of method for deleting and terminal device applied to the terminal device for supporting multi-point touch, to solve the problems, such as that terminal device can not carry out rendered object operation and erasing Object Operations simultaneously in the prior art.This method comprises: determining according to the object and the first intersection and the second intersection of the erasing track drawn according to erasing operation for drawing operation drafting, first intersection is intersection of the object under the state of completing with the erasing track, and second intersection is intersection of the object in the case where drawing unfinished state with the erasing track；First intersection is wiped, second intersection is retained.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of erasing sides applied to support multi-point touch terminal device
Method and terminal device.
Background technique
Electronic whiteboard have many advantages, such as it is easy to operate, can unlimited page write, using increasingly in school, enterprise and government
Generally.Electronic whiteboard supports multi-touch function, and user can carry out multiple rendered object operations simultaneously in electronic whiteboard
Or erasing Object Operations.
Since touch control operation has continuity and terminates uncertainty, if electronic whiteboard carries out drawing operation and wiping simultaneously
Except operation, it is be easy to cause the confusion dealt with objects in electronic whiteboard, leads to the generation of accidentally erasure case, so that the knot of erasing operation
Fruit thinks that effect to be achieved is inconsistent with user.Therefore, at present most of electronic whiteboards do not support to carry out simultaneously to draw operation and
Erasing operation not can be carried out erasing operation, vice versa when carrying out drawing operation.Such as shown in Fig. 1, lines 1 are electronic whiteboard
In the lines completed, lines 2 and lines 3 are the lines drawn in electronic whiteboard, and the lines of grey indicate erasing
Track, electronic whiteboard can only wipe what the erasing track was overlapped with lines 2 and lines 3 after lines 2 and lines 3 are completed
Part, erasing effect are as shown in Figure 2.
Summary of the invention
The embodiment of the present invention provides a kind of method for deleting and terminal device applied to the terminal device for supporting multi-point touch,
To solve the problems, such as that terminal device can not carry out rendered object operation and erasing Object Operations simultaneously in the prior art.
Specific technical solution provided in an embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of erasing sides applied to the terminal device for supporting multi-point touch
Method, comprising:
When the terminal device erasing track, however, it is determined that the first objects draw is completed, then executes following steps:
It determines according to the object and the first intersection of the erasing track drawn according to erasing operation for drawing operation drafting
With the second intersection, first intersection is that the object wipes being overlapped for track with described under the state of completing
Part, second intersection are intersection of the object in the case where drawing unfinished state with the erasing track；
First intersection is wiped, second intersection is retained.
Second aspect, the embodiment of the invention provides a kind of terminal device, the terminal device supports multi-point touch, packet
It includes:
Determining module, for determining according to the object and the erasing track drawn according to erasing operation for drawing operation drafting
First intersection and the second intersection, first intersection be the object under the state of completing with the wiping
Except the intersection of track, second intersection is that the object wipes track with described in the case where drawing unfinished state
Intersection；
Processing module retains second intersection for wiping first intersection.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, support the terminal device of multi-point touch is determined to be grasped according to drafting
The first intersection and the second intersection for making the object drawn with the erasing track drawn according to erasing operation, wipe this
One intersection retains second intersection, wherein first intersection is the object under the state of completing and is somebody's turn to do
The intersection of track is wiped, which is that the object is overlapped in the case where drawing unfinished state with the erasing track
Part enables terminal device to carry out rendered object operation and erasing Object Operations simultaneously, and only wipes in erase process
Except the part that the object drawn in terminal device is overlapped with erasing track after drawing is complete, retain pair drawn in terminal device
As the part being overlapped before completing with erasing track, it can be improved the accuracy of erasing operation, avoid due to erasing operation
Continuity and end uncertainty with operation is drawn, cause the confusion dealt with objects in terminal device, erasing is being drawn
Object and the region that is overlapped of erasing track, lead to that terminal device executes the result of erasing operation and user thinks effect to be achieved
The occurrence of inconsistent.
Detailed description of the invention
Fig. 1 is the track schematic diagram that operation with erasing operation are drawn in electronic whiteboard；
Fig. 2 is the erasing effect of electronic whiteboard in the prior art；
Fig. 3 is the flow diagram of method for deleting provided in an embodiment of the present invention；
Fig. 4 is the track schematic diagram for drawing operation with erasing operation in the embodiment of the present invention in terminal device；
Fig. 5 is the erasing effect of terminal device in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
One step it is described in detail.
In the embodiment of the present invention, terminal device is to support to the terminal device of touch-control, can input multiple operations simultaneously
Track, and the equipment for the operations such as according to the operation trace of input being drawn, being wiped, including but not limited to electronic whiteboard or plate
Apparatus such as computer, wherein operation trace is formed according to touch event.Specifically, user can by electronic pen or finger etc. to
Operation trace is inputted in terminal device.
Terminal device can draw operation according to one or more simultaneously and draw one or more objects, and according to one
Or multiple erasing operations draw one or more erasing tracks, for any one erasing operation, terminal device erasing basis is drawn
System operation draw object process as shown in figure 3, specifically includes the following steps:
Step 301: determining according to the object and the first of the erasing track drawn according to erasing operation for drawing operation drafting
Intersection and the second intersection, wherein first intersection be the object under the state of completing with the erasing rail
The intersection of mark, second intersection are intersection of the object in the case where drawing unfinished state with the erasing track.
Step 302: wiping first intersection, retain second intersection.
In implementation, terminal device includes but is not limited to according to the object that operation is drawn is drawn: lines, figure, text etc..Its
In, terminal device is set according to the attribute of the object and the erasing track drawn according to erasing operation of drawing operation drafting according to default
It sets and determines or determined according to the setting information of user's selection, wherein the attribute of the object and the erasing track includes but unlimited
In one of color, width, line style etc. or a variety of.
In one specific embodiment, terminal device can be selected according to the attribute of the operation trace of input or user
Action type, determine that inputted operation trace is to draw to operate corresponding operation trace or the corresponding operation of erasing operation
Track, and according to corresponding operation track rendered object or erasing track.For example, if the occupied region in behaviour track of input
Width be greater than the set value, then terminal device determine input operation trace be the corresponding operation trace of erasing operation, otherwise, really
Surely the operation trace inputted is to draw to operate corresponding operation trace.For another example, user selects in the operation interface of terminal device
The operation to be carried out (such as " erasing " or " line drawing "), and the corresponding operation trace of the operation is inputted, so that terminal device root
The corresponding concrete operations of operation trace of input are determined according to the selected action type of user.
In implementation, terminal device first draws the object completed, then draws erasing track, then draws and has not drawn
At object, when so that terminal device carrying out erasing operation at the same time and draws operation, show the object do not completed with should
The region that track is overlapped is wiped, so that the display effect of terminal device is identical as final erasing effect.
In implementation, terminal device, which is determined, to be completed according to the first objects draw for drawing operation drafting and is drawn according to erasing operation
When the erasing track of system is not completed and when the erasing track is completed, 301- step 302 is thened follow the steps, wherein
First object is according to any one drawn in all objects that operation is drawn.Specifically, terminal device determines that basis is drawn
Before the object that system operation is drawn and the first intersection and the second intersection according to the erasing track of erasing operation drafting,
When in the terminal device the first objects draw complete and the erasing track do not complete when and the erasing track drafting
When completion, the first intersection and the second coincidence part for determining each object with the erasing track drawn according to erasing operation are generated
The instruction divided.
In one specific embodiment, when the first objects draw is completed in the terminal device and erasing track is not drawn
When completion, if the first objects draw did not wipe first intersection before completing, (i.e. first object set for terminal
Standby first object completed during drawing erasing track), then it generates for determining each object and the erasing rail
First intersection of the erasing track when initial position of mark is completed to the first objects draw between the position of the erasing track
Otherwise wiping when for determining the first intersection of each object and last erasing is generated with the instruction of the second intersection
First intersection of erasing track when being completed except the position of track to the first objects draw between the position of the erasing track
With the second intersection so that terminal device is in the first intersection of erasing every time, it is only necessary to consider current in erasing track
Part to be treated avoids in reprocessing erasing track with according to the intersection for drawing all objects that operation is drawn
Through processed part and the intersection according to all objects for drawing operation drafting.
In one specific embodiment, terminal device determines that the first objects draw is completed and erasing track has not been drawn
At, execute step 301- step 302 after, however, it is determined that the erasing track is completed, then generate for determine each object with
The position of the erasing track is to the erasing rail between the final position of the erasing track when once wiping first intersection
The instruction of the first intersection and the second intersection of mark.
In implementation, do not drawn when the first objects draw completion in terminal device and according to the erasing track that erasing operation is drawn
When completion, terminal device generates the instruction for determining the first intersection and the second intersection of each object and the erasing track
Before, first by the erasing track, corresponding erasing operation is saved in queue, then the corresponding drafting operation of first object is protected
It is stored in the queue.If terminal device only carries out drafting operation, when the drafting operates the completion of corresponding objects draw, by this
Operation is drawn to be saved in queue.Since queue has the characteristics that first in first out, i.e. terminal device is joined the team according to operation in queue
The sequencing of column handles the operation, and therefore, terminal device is when the first objects draw is completed, since the erasing track is corresponding
The advanced enqueue of erasing operation draws the laggard enqueue of operation of first object, has only drawn to before first object
At object (drafting before coming the corresponding erasing operation in erasing track in queue operates corresponding object) wiped
Except operation, it both ensure that erasing operation in terminal device and drawn the processing sequence operated, and in turn ensured participation erasing operation
Object it is accurate qualitative.If the first objects draw is completed in terminal device, terminal device does not carry out erasing operation, then only
The corresponding drafting operation of first object is saved in the queue.
For example, lines 2 and lines 3 set as shown in figure 4, lines 1 are the lines completed in terminal device for terminal
The lines drawn in standby, the thicker lines of grey indicate the erasing track drawn, and cut-off rule 4 indicates that lines 3 are drawn
When system is completed, the corresponding position in erasing track, when cut-off rule 5 indicates that lines 2 are completed, the corresponding position in erasing track, point
Secant 4 and cut-off rule 5 will wipe track and be divided into 3 son erasings track A, B and C.Terminal device determines that lines 3 are completed,
Wipe the intersection of the lines (lines 1) completed before lines 3 and son erasing track A；Terminal device determines lines 2
It completes, wipes the intersection of the lines (lines 1) completed before lines 2 and son erasing track B；Terminal device
Determine that erasing track is completed, the lines completed before erasing lines 2 and lines 2 are overlapped with son erasing track C's
Part is equivalent to entire erasing track being divided into tri- sections of A, B, C, successively carries out erasing operation, and erasing effect is as shown in Figure 5.
In implementation, terminal device wipe each object and wipe track the first intersection after, save erasing this first
Object after intersection, that is, the other parts in addition to saving the part being overlapped in each object except first.
In implementation, terminal device, which saves, draws operation and erasing operation, enables terminal device according to being saved
Drafting operation and erasing operation are deposited, is reformed or destruction operation.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, support the terminal device of multi-point touch is determined to be grasped according to drafting
The first intersection and the second intersection for making the object drawn with the erasing track drawn according to erasing operation, wipe this
One intersection retains second intersection, wherein first intersection is the object under the state of completing and is somebody's turn to do
The intersection of track is wiped, which is that the object is overlapped in the case where drawing unfinished state with the erasing track
Part enables terminal device to carry out rendered object operation and erasing Object Operations simultaneously, and only wipes in erase process
The part that the object drawn in terminal device is overlapped with erasing track after drawing is complete, the object for retaining drafting are being completed
The preceding part being overlapped with erasing track, can be improved the accuracy of erasing operation, avoids due to erasing operation and draws operation
Continuity and end are uncertain, cause the confusion dealt with objects in terminal device, wipe the object drawn and erasing
The region that track is overlapped causes the result of terminal device execution erasing operation and user to think the inconsistent situation of effect to be achieved
Occur.
Based on the same inventive concept, a kind of terminal device 600 is additionally provided in the embodiment of the present invention, the terminal device 600
It supports multi-point touch, as shown in fig. 6, the specific implementation of the device can be found in the description of embodiment of the method part, repeats place not
It repeats again, the device mainly includes:
Processing module 601 is determined, for according to the object for drawing operation drafting and the erasing rail drawn according to erasing operation
The first intersection and the second intersection of mark, first intersection for the object under the state of completing with institute
State erasing track intersection, second intersection be the object in the case where drawing unfinished state with the erasing rail
The intersection of mark；
Processing module 602 retains second intersection for wiping first intersection.
Optionally, the terminal device further include: control module 603, for described right in the determining module 601 determination
As with it is described erasing track the first intersection and the second intersection before, when the first objects draw in the terminal device
It completes and when the not completing and erasing track of the erasing track is completed, each object of generation determination and root
According to the instruction for the first intersection and the second intersection for wiping track that erasing operation is drawn, first object is all
Any one in object.
Optionally, the control module 603 is specifically used for: when in the terminal device the first objects draw complete and it is described
When erasing track is not completed, if first objects draw did not wipe first intersection before completing,
Erasing track when generating for determining that the initial position of each object and the erasing track is completed to the objects draw
Position between erasing track first intersection and second intersection instruction, otherwise, generation is used for
Determine that each object and the position of erasing track described when last erasing first intersection are complete to the objects draw
At when it is described erasing track position between erasing track first intersection and second intersection finger
It enables.
Optionally, the control module 603 is also used to: when the completion of the first objects draw and the wiping in the terminal device
When not completing except track, generate for determining that each object and the first intersection and second of the erasing track are overlapped
Before partial instruction, first the corresponding erasing operation in the erasing track is saved in queue, then described first pair will be drawn
The operation of elephant is saved in the queue.
Optionally, the control module 603 is specifically used for: completing the erasing track described in the terminal device
When, the position of the erasing track is described in when generation is for determining the object and last erasing first intersection
Wipe the instruction of the first intersection and the second intersection of the erasing track between the final position of track.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of method for deleting applied to the terminal device for supporting multi-point touch, which is characterized in that the described method includes:
It determines according to drawing the object and the first intersection and for the erasing track drawn according to erasing operation that operation is drawn
Two intersections, first intersection are coincidence part of the object under the state of completing with the erasing track
Point, second intersection is intersection of the object in the case where drawing unfinished state with the erasing track；
First intersection is wiped, second intersection is retained.
2. the method as described in claim 1, which is characterized in that the determination is according to the object for drawing operation drafting and according to wiping
Before the first intersection and the second intersection for wiping track drawn except operation further include:
When in the terminal device the first objects draw complete and the erasing track do not complete when, generate determine it is each right
As the instruction of the first intersection and the second intersection with the erasing track drawn according to erasing operation, first object
For any one in all objects；Or
When the erasing track described in the terminal device is completed, generates and determine that each object is drawn with according to erasing operation
Erasing track the first intersection and the second intersection instruction.
3. method according to claim 2, which is characterized in that when in the terminal device the first objects draw complete and it is described
When erasing track is not completed, the first coincidence part for determining each object with the erasing track drawn according to erasing operation is generated
Divide the instruction with the second intersection, comprising:
If first objects draw did not wipe first intersection before completing, it is each right for determining to generate
Wiping when being completed as the initial position of the erasing track to first objects draw between the position of the erasing track
Except the instruction of first intersection and second intersection of track, otherwise, generate for determine each object with
Last time wiping when the position of the erasing track is completed to first objects draw when wiping first intersection
Except the instruction of first intersection and second intersection of the erasing track between the position of track.
4. method as claimed in claim 2 or claim 3, which is characterized in that when in the terminal device the first objects draw complete and
When the erasing track is not completed, the first intersection and for determining each object and the erasing track is generated
Before the instruction of two intersections, the method also includes:
First the corresponding erasing operation in the erasing track is saved in queue, then the corresponding drafting of first object is operated
It is saved in the queue.
5. method as claimed in claim 3, which is characterized in that complete the erasing track described in the terminal device
When, generate the first intersection and the second coincidence part for determining each object with the erasing track drawn according to erasing operation
The instruction divided, comprising:
Generate for determine each object and it is last wipe first intersection when erasing track position to institute
State the instruction of the first intersection and the second intersection of the erasing track between the final position of erasing track.
6. a kind of terminal device, which is characterized in that the terminal device supports multi-point touch, comprising:
Determining module is determined and is overlapped according to the object for drawing operation drafting with the first of the erasing track drawn according to erasing operation
Part and the second intersection, first intersection are that the object wipes track with described under the state of completing
Intersection, second intersection are coincidence part of the object in the case where drawing unfinished state with the erasing track
Point；
Processing module retains second intersection for wiping first intersection.
7. terminal device as claimed in claim 6, which is characterized in that the terminal device further include:
Control module, for determining the first intersection and second of the object and the erasing track in the determining module
Before intersection:
When in the terminal device the first objects draw complete and the erasing track do not complete when, generate determine it is each right
As the instruction of the first intersection and the second intersection with the erasing track drawn according to erasing operation, first object
For any one in all objects；Or
When the erasing track described in the terminal device is completed, generates and determine that each object is drawn with according to erasing operation
Erasing track the first intersection and the second intersection instruction.
8. terminal device as claimed in claim 7, which is characterized in that the control module is specifically used for:
When in the terminal device the first objects draw complete and the erasing track do not complete when, if first object
First intersection was not wiped before completing, then was generated for determining each object and the erasing track
First coincidence part of erasing track of initial position when being completed to the objects draw between the position of the erasing track
Divide and otherwise the instruction of second intersection is generated for determining that each object is overlapped with last time erasing described first
Erasing track when the position of the erasing track is completed to the objects draw when part between the position of the erasing track
First intersection and second intersection instruction.
9. terminal device as claimed in claim 7 or 8, which is characterized in that the control module is also used to:
When in the terminal device the first objects draw complete and the erasing track do not complete when, generate for determine often
Before the instruction of the first intersection and the second intersection of a object and the erasing track, first by the erasing track pair
The erasing operation answered is saved in queue, then the corresponding drafting operation of first object is saved in the queue.
10. terminal device as claimed in claim 8, which is characterized in that the control module is specifically used for:
When the erasing track described in the terminal device is completed, generate for determining the object and last erasing institute
The position of erasing track when the first intersection is stated to wipe track the between the final position of the erasing track
The instruction of one intersection and the second intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453570.XA CN107291350B (en) | 2017-06-15 | 2017-06-15 | Method for deleting and terminal device applied to the terminal device for supporting multi-point touch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453570.XA CN107291350B (en) | 2017-06-15 | 2017-06-15 | Method for deleting and terminal device applied to the terminal device for supporting multi-point touch |
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| Publication Number | Publication Date |
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| CN107291350A CN107291350A (en) | 2017-10-24 |
| CN107291350B true CN107291350B (en) | 2019-09-17 |
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| CN201710453570.XA Active CN107291350B (en) | 2017-06-15 | 2017-06-15 | Method for deleting and terminal device applied to the terminal device for supporting multi-point touch |
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|---|---|---|---|---|
| CN113093938B (en) * | 2018-01-31 | 2022-07-12 | 海信视像科技股份有限公司 | Method and device for realizing writing and erasing simultaneously and terminal equipment |
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