CN104820563B - The method and device of blank page cutting - Google Patents
The method and device of blank page cutting Download PDFInfo
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- CN104820563B CN104820563B CN201510137953.7A CN201510137953A CN104820563B CN 104820563 B CN104820563 B CN 104820563B CN 201510137953 A CN201510137953 A CN 201510137953A CN 104820563 B CN104820563 B CN 104820563B
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Abstract
The present invention relates to a kind of method and device of blank page cutting.Methods described includes step：Receive the triggering command for carrying out blank page cutting；Respond the sliding trace on the triggering command detection blank page；Each subpage frame is generated according to the sliding trace detected, and the element on the blank page passed through to the sliding trace is cut according to default cutting rule；Element after cutting is copied on the subpage frame of correspondence position.The present invention does not need multiple hardware terminals to be carried out while can realizing blank page multiple modes of operation, and scheme is simple, and takes full advantage of the giant-screen of massive plate, meets the growth requirement of multitask coordinated processing.
Description
Technical field
The present invention relates to electronic whiteboard technology field, method, the blank page more particularly to a kind of cutting of blank page
The device of cutting.
Background technology
In the interactive intelligent tablet computer of giant-screen (more than 50 cun), electronic whiteboard software is common application.Normally, it is electric
The elements such as sub- whiteboarding software can be write, be wiped, insert pictures, and the interactive operation such as selection element.It is but existing white
The plate page is typically an indivisible entirety, and different patterns is mutual exclusion, and the same time can only correspond to a kind of operation mould
Formula.A kind of operation can only be responded in the i.e. whole blank page same time, this is just limited to, in the interactive intelligent tablet computer of giant-screen
On, can only once there is a user to operate software.With the development of giant-screen touch technology, the existing blank page obviously can not
Meet the demand of the collaboration processing of multitask.
The defects of for the existing blank page, the method for supporting more people while writing, but this method are had been realized at present
And same operator scheme, that is, write.Also a kind of method wiped when writing, this method is according to the difference for touching contact area
To distinguish writing or erasing, i.e. contact area hour, take " writing " as, when contact area is big, take as " erasing ".
Above two method only supports simplest writing, erasing mode to coexist, and can not support more complicated operation mould
Formula.Coexisting for blank page different operation modes also can be realized without other technologies at present, multitask coordinated place can not be met
The growth requirement of reason.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of method and device of blank page cutting, realize difference
Carried out while operator scheme.
A kind of method of blank page cutting, including step：
Receive the triggering command for carrying out blank page cutting；
Respond the sliding trace on the triggering command detection blank page；
Each subpage frame is generated according to the sliding trace detected, and on the blank page passed through to the sliding trace
Element is cut according to default cutting rule；
Element after cutting is copied on the subpage frame of correspondence position.
A kind of device of blank page cutting, including：
Triggering command receiving module, the triggering command of blank page cutting is carried out for receiving；
Sliding trace detection module, for responding the sliding trace on the triggering command detection blank page；
Subpage frame generates and element cutting module, for generating each subpage frame according to the sliding trace detected, and it is right
The element on the blank page that the sliding trace passes through is cut according to default cutting rule；
Element replication module, for the element after cutting to be copied to the subpage frame of correspondence position.
The method and device of blank page cutting of the present invention, using multi-point touch, cutting triggering shape is in the blank page
During state, different subpage frames is cut into the blank page according to sliding trace, and corresponding to each element after cutting copied to
On each subpage frame.Different subpage frames is separate, can carry out different pattern operations simultaneously.Different user is same
Operation is independent of each other in interactive intelligent tablet computer.The present invention does not need multiple hardware terminals to realize a variety of operations of the blank page
Carried out while pattern, scheme is simple, and takes full advantage of the giant-screen of massive plate, meets the hair of multitask coordinated processing
Exhibition demand.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the inventive method embodiment；
Fig. 2 is the schematic diagram of cut state trigger specific embodiment of the present invention；
Fig. 3 is the schematic diagram that element of the present invention cuts specific embodiment；
Fig. 4 is the schematic diagram that element of the present invention moves specific embodiment；
Fig. 5 is the schematic diagram that subpage frame of the present invention merges specific embodiment；
Fig. 6 is the structural representation of apparatus of the present invention embodiment one；
Fig. 7 is the structural representation of apparatus of the present invention embodiment two；
Fig. 8 is the structural representation of apparatus of the present invention embodiment three；
Fig. 9 is the structural representation of element mobile module embodiment of the present invention；
Figure 10 is the structural representation of apparatus of the present invention example IV；
Figure 11 is the structural representation of first page merging module embodiment of the present invention；
Figure 12 is the structural representation of apparatus of the present invention embodiment five；
Figure 13 is the structural representation of second page merging module embodiment of the present invention.
Embodiment
The embodiment of the method for the blank page of the present invention cutting is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of method of blank page cutting, including step：
S110, receive the triggering command for carrying out blank page cutting；
Sliding trace on S120, the response triggering command detection blank page；
S130, each subpage frame is generated according to the sliding trace detected, and to the blank page of sliding trace process
Element on face is cut according to default cutting rule；
S140, the element after cutting copied on the subpage frame of correspondence position.
The blank page enters cut state according to triggering command can various ways realization, for example, as shown in Fig. 2 logical
The button C1 clicked in interactive intelligent tablet computer 21 is crossed, the blank page is entered cut state, or by clicking on whiteboarding software 22
On virtual push button C2, the blank page is entered cut state, or by the button C3 on point touching pen 23, make blank soft
Part enters cut state.The mode that the blank page is entered cut state by normal condition is not restricted to the above method, can be with
Realized by other modes in the prior art.
After receiving the triggering command for carrying out blank page cutting, the blank page enters cut state, then can respond
The triggering command, generation are covered in the hyaline layer on the blank page, and the slip on the blank page is detected according to the hyaline layer
Track.User can also be directly detected using mouse, finger or felt pen etc. in blank when the blank page enters cut state
Sliding trace on the page, without generating hyaline layer.
The detection method of sliding trace is intelligent, can also even if sliding trace does not reach the edge of the blank page
Extended according to the tangent line of the two of sliding trace end points, until the coincident with the blank page.These tracks and original are white
The edge of the plate page may be constructed some new geometric areas, then generate several subpages according to the quantity of these geometric areas
Face, the shape of these subpage frames and position are corresponding with the geometric areas split.
When there is no the elements such as person's handwriting, picture on the blank page, each subpage frame is directly generated.But general blank
Can all there are some elements on the page, so while each subpage frame is generated, it is also desirable to carry out these elements according to default
Segmentation rule is cut, and then copies to the element after cutting on corresponding subpage frame., it is necessary to judge to slide when element is cut
Dynamic rail mark have passed through which visual elements on the blank page, wherein judging that by the algorithm of which element existing skill can be passed through
Existing algorithm is realized in art.Then whether can be cut according to default these elements passed through of cutting rule judgment, and
It is to cut in what manner.For example, in one embodiment, default cutting rule can include：
If the element is written handwriting, the written handwriting is disconnected at the sliding trace；
If the element is picture, picture is cut out according to the sliding trace；
If the element is the special elementses that subject instrument or audio frequency and video etc. can not be cut, can be true according to User Defined
The subpage frame of fixed these special elementses ownership.For example, according to the position of the predetermined fraction (such as the upper left corner etc.) of the element, really
The subpage frame of the fixed element ownership, that is, which region the predetermined fraction of the element is in before cutting, then replicates the element
Onto the subpage frame of the region correspondence position.Or the area of each several part divided according to the element by sliding trace, determine institute
The subpage frame of element ownership is stated, such as element is larger in the area of which panel region, then which border area domain belonged to, the element is answered
On the subpage frame for making the larger position correspondence of surface area.In the area equation of each several part, determined according to preset order
The subpage frame of the element ownership, such as according to from left to right, order from top to bottom is defined, i.e. cutting zone area identical
Element, split if left and right, then the element belongs to left area, and the element is copied into subpage frame corresponding to left area
On, if upper and lower segmentation, then the element belongs to upper zone, and the element is copied to corresponding to upper zone on subpage frame.
It should be noted that the element on the blank page is not restricted to written handwriting described above, picture and subject instrument sound
Video, it can also be other elements；Element on the blank page is cut in which way and is not restricted to side described above
Formula, user can be according to the cutting modes of these cleavable elements of oneself requirement definition, and the present invention makes restriction not to this.
As shown in figure 3, it is the schematic diagram of the specific embodiment cut according to default cutting rule to element.From Fig. 3
As can be seen that two person's handwritings on the former blank page disconnect directly at sliding trace (shown in dotted line), on the former blank page
Picture (horse) is tailored as two parts according to sliding trace, and the person's handwriting subsequently disconnected and the picture cut out will be answered according to position
Make on different subpage frames.
Each subpage frame is generated according to sliding trace, and the element after cutting is copied on the subpage frame of correspondence position
After step, step can also be included：The blank page is deleted.After original blank page is cut, it can continue pair
New subpage frame is cut, the process of cutting with it is consistent above.It will not be described here.
After completing the cutting of the blank page, in order to not influence the normal operating on subpage frame, the inventive method is also received and moved back
Go out the instruction of blank page cutting, the state that the cutting of the blank page is exited in the instruction is responded, if previously having detection sliding trace
Hyaline layer, then now hyaline layer disappear.Due to the former blank page is divided into multiple subpage frames, different subpage frames can
With corresponding different operator scheme, so different operations can be carried out simultaneously on existing each subpage frame, such as can
To be write on subpage frame A, wiped on subpage frame B, picture is cut on subpage frame C, played on subpage frame D
Video etc..It should be noted that exiting the instruction of blank page cutting can be realized by the mode similar to triggering command, example
The instruction for such as determining to be triggering command or exit the cutting of the blank page by changing the number of clicks of virtual push button, the present invention
Restriction is made not to this.
Though each subpage frame after cutting is in same whiteboarding software window, each subpage frame is separate
, subpage frame can move, and that is to say that the relative position between subpage frame can change.It is place additionally, due to each subpage frame
In the same window of same application, so the element between the different pages, such as person's handwriting, picture, audio-video document etc., also
It can swap, you can so that the element on a subpage frame is moved on another subpage frame.In one embodiment, ring
After the step of answering the instruction to exit the state of blank page cutting, step can also be included：
S1, mobile first subpage frame element, if mobile element exceeds the edge of the first subpage frame, according to mobile member
The mobile bearing of trend of element determines the second subpage frame；
S2, mobile element hidden beyond the part at edge of the first subpage frame, the element of the movement of duplication is pre-inserted
Enter the second subpage frame, and in the hiding part of the mobile element of the second subpage frame display；
If S3, mobile element are fully removed the first subpage frame, the element moved is deleted from the first subpage frame, in institute
State the mobile element of display, and mobile element is really inserted into the second subpage frame completely on the second subpage frame；
If S4, mobile element are moved back to the first subpage frame completely again after moving out the edge of the first subpage frame, in institute
State the mobile element of display, and the element of the movement of the second subpage frame pre-inserted is deleted completely on the first subpage frame.
It should be noted that above-mentioned first, second is not limited to the order and quantity of subpage frame.If moving
In dynamic process, the bearing of trend of element is related to multiple subpage frames, then can replicate multiple interim copies, but final can be by this yuan
Element is completely inserted into a certain page.
In order to which apparent understanding element of the present invention is from a sub- page movement to the process of another subpage frame, tie below
Unification specific embodiment illustrates.
As shown in figure 4, the triangle on subpage frame A moves, when axonometric projection picture is moved to subpage frame A edge
When, by judging, finding the bearing of trend of axonometric projection picture movement has another subpage frame B.According to edge track, beyond subpage frame
The triangle image section at A edges will be hidden, and simultaneity factor can replicate the complete copy of a axonometric projection picture, this part three automatically
The copy pre-inserted of angle image only shows that the axonometric projection picture on subpage frame A exceeds subpage frame A part into subpage frame B.When three
Angle image is completely removed subpage frame A, and axonometric projection picture will be deleted from subpage frame A, and be shown completely in subpage frame B, and very
Just it is being inserted into subpage frame B.
When that need not carry out multi-job operation simultaneously to the blank page, the present invention can also be closed each subpage frame
And.So in one embodiment, it is after the element after cutting is copied into the step on the subpage frame of correspondence position, i.e., white
After the plate page has been divided into each subpage frame, step can also be included：
S11, when the blank page is cut state, whether the coincident position detected between each subpage frame has new slip
Track；
S12, when there is new sliding trace, whether the length for detecting the new sliding trace exceedes predetermined threshold value；
S13, when the length exceedes predetermined threshold value, corresponding subpage frame is closed according to the new sliding trace
And obtain the new page；
S14, the element on the subpage frame before merging copied into the new page according to corresponding position, and deleted
The subpage frame merged.
After making whiteboarding software enter cut state by trigger, if multiple subpage frames be present, and subpage
There is coincidence at the edge in face, then in the coincident part of subpage frame is exactly special area.When detecting that user is special at these
Region is rule, as long as marking lengths exceed a threshold value of default, is taken as on this special area " cementing ", is
Subpage frame " bonding " is got up, completes the operation that the page merges.When two subpage frames merge, the geometry of obtained new page
It is the merging of two subpage frame geometries.According to correspondence position, the element on subpage frame is copied in new page, two sons
The page is deleted.
Aforesaid way is not restricted to the mode that subpage frame merges, for example, in another embodiment, or,
After element after cutting is copied into the step on the subpage frame of correspondence position, in addition to step：
S21, receive page merging instruction；
The page, which merges instruction, to be realized by the way of similar to page cutting instruction, such as by triggering interactive intelligence
The button for being different from button C1 on flat board 21 sends the page and merges instruction etc., will not be described here；
S22, receive to there is the page selection instruction of each subpage frame of overlapping region；Wherein to there is the subpage frame of overlapping region
Selection can realize by existing manner；
S23, the response page merge instruction and the page selection instruction, by each son for having overlapping region of selection
The page merges according to default merging rule, obtains new page；
The default rule that merges can need sets itself according to user, such as according to from left to right, level from top to bottom
Incremental rule merges to the page, i.e., if the subpage frame of left and right two is overlapping, then when the page of left and right two merges, the right side
Subpage frame is on the subpage frame on the left side, and overlapping region is if element, and element is overlapping after merging, and the level of element is according to residing for
Level in the atom page.The rule that user can also merge according to settings such as areas, the present invention do not merge rule to default
Make restriction.
S24, the element on each subpage frame of selection copied into the new page according to corresponding position, and delete selection
Each subpage frame.
In order to be better understood from the implementation process of subpage frame merging, it is described in detail with reference to a specific embodiment.
As shown in figure 5, the blank page is cut into two subpage frames in left and right, there is independent work on each subpage frame
Bar, and two subpage frames are also in cut state.Now detect that user is drawn in special bonding region by hyaline layer
Line, and the length rule has exceeded the threshold value of default, then is determined as that user needs to perform the operation that subpage frame merges, will
Two subpage frames merge, and generate new page, then replicate the element on two subpage frames according to corresponding position
Onto new page, and two subpage frames are deleted, that is, complete the merging process to subpage frame.
In order to be better understood from the technique effect of the present invention, illustrated with reference to a concrete application example.
Teacher is in blank page left side Xie Liaoji roads topic, such as gap-filling questions etc.Then in the general blank page
Between position draw a line, the blank page is cut into left and right two parts.Teacher moves to right the topic on the left side,
Raw answer, directly writes answer on the right of blank.Teacher continues to write new topic on the blank left side simultaneously.Student often finishes a topic,
Just this topic, which is moved to left, allows teacher to check whether answer is correct.If correct, teacher just wipes this topic；If no
Correctly, a fork is just made in answer, then re-moves topic to the right.Student answers the answer misplayed erasing simultaneously again
Move to left and give teacher and check, untill answering questions.After starting answer interaction, academics and students are in whole process
What simultaneously each comfortable left and right was operated.The operation that both sides are carried out is probably writing, it may be possible to is wiped, it is also possible to selecting object
Mobile or more other operations.Teacher can move the blank page after cutting at any time, and " writing topic ", region moves to right,
" answer " region moves to left.
Based on same inventive concept, the present invention also provides a kind of device of blank page cutting, below in conjunction with the accompanying drawings to this
The embodiment of invention device is described in detail.
As shown in fig. 6, a kind of device of blank page cutting, including：
Triggering command receiving module 610, the triggering command of blank page cutting is carried out for receiving；
Sliding trace detection module 620, for responding the sliding trace on the triggering command detection blank page；
Subpage frame generates and element cutting module 630, for generating each subpage frame according to the sliding trace detected, and
The element on the blank page passed through to the sliding trace is cut according to default cutting rule；
Element replication module 640, for the element after cutting to be copied to the subpage frame of correspondence position.
After triggering command receiving module 610 receives the triggering command for carrying out blank page cutting, the blank page, which enters, to be cut
State is cut, then sliding trace detection module 620 can respond the triggering command, and generation is covered in transparent on the blank page
Layer, the sliding trace on the blank page is detected according to the hyaline layer.It can also be slided when the blank page enters cut state
Track detection module 620 directly detects the sliding trace on the blank page, without generating hyaline layer.
When not having the elements such as person's handwriting, picture on the blank page, subpage frame generation and element cutting module 630 directly generate
Each subpage frame.But can all have some elements on the general blank page, so subpage frame generation and element cutting module
630 while each subpage frame is generated, it is also desirable to by these elements cut according to default segmentation rule.Element is cut
, it is necessary to judge sliding trace have passed through which visual elements on the blank page when cutting, wherein judging the calculation by which element
Method can be realized by existing algorithm in the prior art.Whether the element that then these pass through according to default cutting rule judgment
It can be cut, and be to cut in what manner.For example, in one embodiment, default cutting rule can include：
If the element is written handwriting, the written handwriting is disconnected at the sliding trace；
If the element is picture, picture is cut out according to the sliding trace；
If the element is the special elementses that subject instrument or audio frequency and video etc. can not be cut, can be true according to User Defined
The subpage frame of fixed these special elementses ownership.For example, according to the position of the predetermined fraction of the element, the element ownership is determined
Subpage frame.Or the area of each several part divided according to the element by sliding trace, determine the subpage frame that the element belongs to.
In the area equation of each several part, the subpage frame that the element belongs to is determined according to preset order, for example, according to from a left side to
The right side, order from top to bottom are defined.It should be noted that the element on the blank page is not restricted to lettering pen described above
Mark, picture and subject instrument audio frequency and video, can also be other elements；Subpage frame generates and element cutting module 630 is to blank
Element on the page is cut in which way is not restricted to mode described above, can also be realized according to other modes, this
Restriction is made in invention not to this.
, can also be by described in after element replication module 640 copies to the element after cutting on the subpage frame of correspondence position
The blank page is deleted.After original blank page is cut, it can continue to cut new subpage frame, cutting process passes through
Above-mentioned each device is realized.It will not be described here.
After completing the cutting of the blank page, in order to not influence the normal operating on subpage frame, as shown in fig. 7, present invention dress
The exit instruction receiving module 650 that can also include being connected with the element replication module 640 is put, the exit instruction receives mould
Block 650 is used to receive the instruction for exiting the cutting of the blank page, the state that the cutting of the blank page is exited in the instruction is responded, if previously
There is the hyaline layer of detection sliding trace, then now hyaline layer disappears.Due to the former blank page is divided into multiple subpage frames,
Different subpage frames can correspond to different operator schemes, so difference can be carried out simultaneously on existing each subpage frame
Operation.It should be noted that exiting the instruction of blank page cutting can be realized by the mode similar to triggering command, this
Restriction is made in invention not to this.
Though each subpage frame after cutting is in same whiteboarding software window, each subpage frame is separate
, subpage frame can move, and that is to say that the relative position between subpage frame can change.It is place additionally, due to each subpage frame
In the same window of same application, so the element between the different pages can also swap, you can with by a son
Element on the page is moved on another subpage frame.So as shown in figure 8, apparatus of the present invention can also include moving back with described
Go out the connected element mobile module 660 of command reception module 650.As shown in figure 9, the element mobile module 660 can include：
Subpage frame determining unit 6601, for moving the element of the first subpage frame, exceed the first subpage in mobile element
During the edge in face, the second subpage frame is determined according to the bearing of trend that mobile element moves；
Element processing unit 6602, will be multiple for mobile element to be hidden beyond the part at the edge of the first subpage frame
The subpage frame of element pre-inserted second of the movement of system, and in the hiding part of the mobile element of the second subpage frame display；
First display unit 6603, for when mobile element is fully removed the first subpage frame, in second subpage
Mobile element is shown on face completely；
Second display unit 6604, it is moved back to completely again behind the edge for moving out the first subpage frame in mobile element
During the first subpage frame, the mobile element of display completely on first subpage frame, and by the movement of the second subpage frame pre-inserted
Element delete.
It should be noted that above-mentioned first, second is not limited to the order and quantity of subpage frame.If moving
In dynamic process, the bearing of trend of element is related to multiple subpage frames, then can replicate multiple interim copies, but final can be by this yuan
Element is completely inserted into a certain page.
When that need not carry out multi-job operation simultaneously to the blank page, the present invention can also be closed each subpage frame
And.As shown in Figure 10, apparatus of the present invention can also include the first page merging module being connected with the element replication module 640
670.As shown in figure 11, the page merging module 670 can include：
Track detection unit 6701, for when the blank page is cut state, detecting the coincident between each subpage frame
Whether position has new sliding trace；
Length detection unit 6702, it is for when there is new sliding trace, detecting the length of the new sliding trace
It is no to exceed predetermined threshold value；
Combining unit 6703, for when the length exceedes predetermined threshold value, being incited somebody to action according to the new sliding trace corresponding
Subpage frame merge, obtain the new page；
Page processing unit 6704, it is described for the element on the subpage frame before merging to be copied to according to corresponding position
The new page, and delete the subpage frame merged.
The mode that subpage frame merges is not restricted to said apparatus, for example, as shown in figure 12, apparatus of the present invention can also wrap
Include the second page merging module 680 being connected with the element replication module 640.As shown in figure 13, the second page merges
Module 680 includes：
The page merges instruction reception unit 6801, merges instruction for receiving the page；
Page selection instruction receiving unit 6802, for receiving to there is the selection of the page of each subpage frame of overlapping region to refer to
Order；
Page combining unit 6803, merge instruction and the page selection instruction for responding the page, will select
There is each subpage frame of overlapping region to be merged according to default merging rule, obtain new page；
Processing unit 6804, the element on each subpage frame by selection copy to the new page according to corresponding position
Face, and delete each subpage frame of selection.
Apparatus of the present invention other technical characteristics are same as mentioned above, will not be described here.
The present invention utilizes multi-point touch, the blank page can be divided into each subpage frame, different subpage frames is mutually only
It is vertical, different pattern operations can be carried out simultaneously, meet the growth requirement of multitask coordinated processing；Can be to the son after segmentation
The page moves, and can also realize the exchange of element between subpage frame, user-friendly；After each subpage frame is divided into,
Each subpage frame can also be merged as desired, improve the operating experience of user.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. method of blank page cutting, it is characterised in that including step：Receive the triggering command for carrying out blank page cutting；Respond the sliding trace on the triggering command detection blank page；Wherein, described in not reached in the sliding trace During the edge of the blank page, extended according to the tangential direction of the two of sliding trace end points, until the side with the blank page Edge overlaps；Each subpage frame, and the element on the blank page passed through to the sliding trace are generated according to the sliding trace detected Cut according to default cutting rule；Element after cutting is copied on the subpage frame of correspondence position.
- 2. the method for the blank page according to claim 1 cutting, it is characterised in that copy to the element after cutting pair After answering the step on the subpage frame of position, in addition to step：The blank page is deleted；The cutting of the blank page is exited in reception Instruction, respond it is described instruction exit the blank page cutting state.
- 3. the method for blank page cutting according to claim 2, it is characterised in that blank page is exited in the response instruction After the step of state of face cutting, in addition to step：The element of mobile first subpage frame, if mobile element exceeds the edge of the first subpage frame, according to the element of the movement Mobile bearing of trend determines the second subpage frame；The element of the movement is hidden beyond the part at the edge of the first subpage frame, the element of the movement of duplication is pre-inserted Enter the second subpage frame, and the hiding part of the element of the movement is shown in the second subpage frame；If the element of the movement is fully removed the first subpage frame, the movement is shown completely on second subpage frame Element；If the element of the movement moves out behind the edge of the first subpage frame and is moved back to the first subpage frame completely, described the The element of the movement is shown on one subpage frame completely, and the element of the movement of the second subpage frame pre-inserted is deleted.
- 4. the method for the blank page according to claim 1 cutting, it is characterised in that copy to the element after cutting pair After answering the step on the subpage frame of position, in addition to step：When the blank page is cut state, whether the coincident position detected between each subpage frame has new sliding trace；When there is new sliding trace, whether the length for detecting the new sliding trace exceedes predetermined threshold value；When the length exceedes predetermined threshold value, corresponding subpage frame is merged according to the new sliding trace, obtained The new page；Element on subpage frame before merging is copied into the new page according to corresponding position, and deletes and has merged Subpage frame；Or after the element after cutting is copied into the step on the subpage frame of correspondence position, in addition to step：Receive the page and merge instruction；Receive to there is the page selection instruction of each subpage frame of overlapping region；Respond the page and merge instruction and the page selection instruction, by selection have each subpage frame of overlapping region according to The default rule that merges merges, and obtains new page；Element on each subpage frame of selection is copied into the new page according to corresponding position, and deletes each subpage of selection Face.
- 5. the method for the blank page cutting according to Claims 1-4 any one, it is characterised in that receive and carry out in vain After the step of triggering command of plate page cutting, in addition to step：Respond the triggering command generation and be covered in the blank page On hyaline layer, according to the hyaline layer detect the blank page on sliding trace；The default cutting rule includes：If the element is written handwriting, the written handwriting is disconnected at the sliding trace；If the element is picture, picture is cut out according to the sliding trace；If the element is subject instrument or audio frequency and video, according to the position of the predetermined fraction of the element, determine that the element is returned The subpage frame of category；Or the area of each several part divided according to the element by sliding trace, determine the subpage that the element belongs to Face；In the area equation of each several part, the subpage frame of the element ownership is determined according to preset order.
- A kind of 6. device of blank page cutting, it is characterised in that including：Triggering command receiving module, the triggering command of blank page cutting is carried out for receiving；Sliding trace detection module, for responding the sliding trace on the triggering command detection blank page；Wherein, described When sliding trace does not reach the edge of the blank page, extended according to the tangential direction of the two of sliding trace end points, directly To the coincident with the blank page；Subpage frame generates and element cutting module, for generating each subpage frame according to the sliding trace detected, and to described The element on the blank page that sliding trace passes through is cut according to default cutting rule；Element replication module, for the element after cutting to be copied to the subpage frame of correspondence position.
- 7. the device of blank page cutting according to claim 6, it is characterised in that also include and the element backed stamper The connected exit instruction receiving module of block, the exit instruction receiving module are used to receive the instruction for exiting the cutting of the blank page, Respond the state that the cutting of the blank page is exited in the instruction；After the element replication module copies to the element after cutting on the subpage frame of correspondence position, being additionally operable to will be described white The plate page is deleted.
- 8. the device of blank page cutting according to claim 7, it is characterised in that also include connecing with the exit instruction The connected element mobile module of module is received, the element mobile module includes：Subpage frame determining unit, for moving the element of the first subpage frame, exceed the edge of the first subpage frame in mobile element When, the second subpage frame is determined according to the bearing of trend that the element of the movement moves；Element processing unit, for the element of the movement to be hidden beyond the part at the edge of the first subpage frame, by duplication The subpage frame of element pre-inserted second of the movement, and show the hiding part of the element of the movement in the second subpage frame；First display unit, for when the element of the movement is fully removed the first subpage frame, on second subpage frame The element of the movement is shown completely；Second display unit, first is moved back to completely again behind the edge for moving out the first subpage frame in the element of the movement During subpage frame, the element of the movement is shown completely on first subpage frame, and by described in the second subpage frame pre-inserted Mobile element is deleted.
- 9. the device of blank page cutting according to claim 6, it is characterised in that also include and the element backed stamper The connected first page merging module of block, the first page merging module include：Track detection unit, for whether when the blank page is cut state, detecting the coincident position between each subpage frame There is new sliding trace；Length detection unit, it is pre- whether the length for when there is new sliding trace, detecting the new sliding trace exceedes If threshold value；Combining unit, for when the length exceedes predetermined threshold value, according to the new sliding trace by corresponding subpage frame Merge, obtain the new page；Page processing unit, for the element on the subpage frame before merging to be copied into the new page according to corresponding position Face, and delete the subpage frame merged；Or the second page merging module being connected with the element replication module can also be included, the second page merges Module includes：The page merges instruction reception unit, merges instruction for receiving the page；Page selection instruction receiving unit, for receiving to there is the page selection instruction of each subpage frame of overlapping region；Page combining unit, merge instruction and the page selection instruction for responding the page, having for selection is overlapping Each subpage frame in region merges according to default merging rule, obtains new page；Processing unit, the element on each subpage frame by selection copies to the new page according to corresponding position, and deletes Except each subpage frame of selection.
- 10. the device of the blank page cutting according to claim 6 to 9 any one, it is characterised in that the slip rail After mark detection module receives the triggering command for carrying out blank page cutting, it is additionally operable to respond the triggering command generation and is covered in Hyaline layer on the blank page, the sliding trace on the blank page is detected according to the hyaline layer；The default cutting rule includes：If the element is written handwriting, the written handwriting is disconnected at the sliding trace；If the element is picture, picture is cut out according to the sliding trace；If the element is subject instrument or audio frequency and video, according to the position of the predetermined fraction of the element, determine that the element is returned The subpage frame of category；Or the area of each several part divided according to the element by sliding trace, determine the subpage that the element belongs to Face；In the area equation of each several part, the subpage frame of the element ownership is determined according to preset order.
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| CN107479802A (en) * | 2017-08-03 | 2017-12-15 | 深圳传音通讯有限公司 | Screen luminance adjustment method and device |
| CN108446064B (en) * | 2018-02-11 | 2021-04-30 | 广州视源电子科技股份有限公司 | Writing whiteboard-based area saving method and device, terminal equipment and medium |
| CN110928459B (en) * | 2019-10-09 | 2021-07-23 | 广州视源电子科技股份有限公司 | Writing operation method, device, equipment and storage medium of intelligent interactive tablet |
| CN110908552B (en) * | 2019-10-11 | 2021-08-10 | 广州视源电子科技股份有限公司 | Multi-window operation control method, device, equipment and storage medium |
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