CN101609560B - Method for erasing handwriting - Google Patents
Method for erasing handwriting Download PDFInfo
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- CN101609560B CN101609560B CN2009100411968A CN200910041196A CN101609560B CN 101609560 B CN101609560 B CN 101609560B CN 2009100411968 A CN2009100411968 A CN 2009100411968A CN 200910041196 A CN200910041196 A CN 200910041196A CN 101609560 B CN101609560 B CN 101609560B
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Abstract
The present invention discloses a method for erasing handwritings. The method is implemented through two threads: a thread S1 and a thread S2, wherein the S1 comprises the following steps: 11. starting the thread; 12. acquiring the current point information; 13. constructing an eraser track area; 14. judging whether an erasing message is generated or not; if so, then entering the step 15; if not, returning to the step 12; and 15. acquiring a background picture filling area of the area and sending the erasing message to the thread S2. The thread S2 comprises the following steps: 21.starting the thread; 22. waiting for messages; 23. receiving the messages of the thread S1 and storing the messages into a message buffer; 24. sequentially taking out the messages and judging whether the message is an erasing message or not, if so, directly entering the step 26; if not, entering the step 25; 25. judging whether the message is a withdrawing message or not, if so, withdrawing the thread S2; if not, returning to the step 22; and 26. erasing the part of a handwriting object which is included in the area and enabling handwritings arranged outside the area to regenerate a handwriting object. The handwritings in the method generate an object, thus only the part of the handwriting object in the area is erased, and the handwritings arranged outside the area regenerate the object.
Description
Technical field
The present invention relates to touch-screen person's handwriting treatment technology, relate in particular to a kind of method of erasing handwriting.
Background technology
Along with popularizing and application of computing machine, touch-screen more and more is subjected to people's welcome.Handwriting is one of touch-screen most important function, in writing process, produce some data points, according to handling (perhaps being left intact) someway, and then the point after will handling according to the connected mode of certain line connects successively with these data points, thereby formed person's handwriting.
When touch-screen is write,, at this moment just need identify the handwriting and wipe through the situation that the handwriting mistake appears in regular meeting or the person's handwriting formerly write no longer needs.
Method for deleting at person's handwriting mainly contains following two kinds at present:
1, person's handwriting itself just is not generated object, and directly uses background color to fill the track zone of blackboard eraser process; This method does not have the notion of person's handwriting object, does not have the operating function of person's handwriting object yet, and the blackboard eraser track is also untrue.
2, person's handwriting itself is generated object, carries out bulk erase at object, be about to blackboard eraser track zone the person's handwriting object of process carry out integral body and delete; And can not only the part of person's handwriting object in blackboard eraser track zone be wiped, the part person's handwriting that needs to keep also is wiped free of, can not remove effect by blackboard eraser that is virtually reality like reality preferably.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of method of erasing handwriting is provided, adopt the person's handwriting itself in the inventive method just to be generated object, and only the part of person's handwriting object in blackboard eraser track zone wiped, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates object, can remove effect by blackboard eraser that is virtually reality like reality preferably.
Purpose of the present invention is achieved through the following technical solutions: a kind of method of erasing handwriting, and the multithreading of employing computing machine, described method realizes with two threads, this two thread S1 and S2, and thread S1 and thread S2 start simultaneously, and wherein, thread S1 carries out following steps:
S11, thread S1 start;
S12, obtain the information of the current point that blackboard eraser moves;
S13, according to a blackboard eraser track of the information structuring zone of the more preceding and current point of current point, current point more preceding is that the time order and function according to a generation comes to determine in proper order, current point more preceding promptly is in time more preceding of current point; If have only a point, be about to this point and be considered as current point, then, certainly, have only the situation of a point seldom to take place in actual applications according to this blackboard eraser track zone of current some structure;
S14, regional position with the person's handwriting object according to the blackboard eraser track concern, judge whether to produce and wipe message; If then enter S15; , then do not turn back to S12;
S15, the background picture of getting this blackboard eraser track zone are filled this blackboard eraser track zone, and send to thread S2 and to wipe message;
Thread S2 carries out following steps:
S21, thread S2 start;
S22, outstanding message;
S23, receive from the message of thread S1 and deposit the message buffer in;
S24, from the message buffer, take out message successively, and judge whether for wiping message, if then directly enter S26; If not, then enter S25;
S25, judge whether it is then to withdraw from thread S2 for withdrawing from message; Otherwise turn back to S22;
S26, the part of person's handwriting object in blackboard eraser track zone wiped, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object.
As existing known technology, in plate sassafras moving process, each point that touch-screen produces in the buffer memory plate sassafras moving process successively.
As existing known technology, thread S2 is described to be judged whether to wiping message, and then judges whether that this withdraws from message can be by thread S1 or the input of other thread in order to withdraw from message.
In the said method, a blackboard eraser track of the information structuring zone of the described more preceding and current point according to current point of step S13, concrete grammar is as follows: according to the information of the more preceding and current point of current point, determine the company's straight-line segment between these 2; The vertical line section that is d with these 2 two length doing straight-line segment respectively makes these 2 mid points that are respectively two the vertical line sections of doing, and the two ends of these two vertical line sections of parallel connection can get a rectangular area; Be that the center of circle, vertical line section are that diameter is drawn two circles with these 2 respectively again; Blackboard eraser track region territory is formed in union zone by rectangular area and these two circles;
Corresponding to the concrete grammar in a blackboard eraser track of the information structuring zone of the described more preceding and current point according to current point of above-mentioned steps S13, the described message of wiping comprises that circular wipes message and rectangle wipe message;
Corresponding, step S26 is described to wipe the part of person's handwriting object in blackboard eraser track zone, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object, concrete grammar is as follows: judge whether wipe message is that rectangle is wiped message, if then carry out rectangle and wipe processing; If not, then carrying out circular wipes handles; Described rectangle is wiped to handle and is meant the part of person's handwriting object in the rectangular area wiped, and the person's handwriting that will be positioned at outside the rectangular area regenerates corresponding person's handwriting object; Described circular wipes processing is meant wipes the part of person's handwriting object in border circular areas, and the person's handwriting that will be positioned at outside the border circular areas regenerates corresponding person's handwriting object.
Described d is an empirical value, and generally the screen resolution according to touch-screen waits to determine.
In the said method, step S13 is described if having only a point, is about to this point and is considered as current point, then according to this blackboard eraser track zone of current some structure, concrete grammar is as follows: with this point is that the center of circle, diameter are that d draws two 1 circles, forms blackboard eraser track region territory by the zone of this circle;
Described corresponding to above-mentioned steps S13 if having only a point, be about to this point and be considered as current point, then according to the concrete grammar in this blackboard eraser track zone of current some structure, the described message of wiping is circular wipes message;
Corresponding, step S26 is described to wipe the part of person's handwriting object in blackboard eraser track zone, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object, concrete grammar is as follows: judge whether wipe message is circular wipes message, if then carry out circular wipes and handle; Described circular wipes processing is meant wipes the part of person's handwriting object in border circular areas, and the person's handwriting that will be positioned at outside the border circular areas regenerates corresponding person's handwriting object.
Described d is an empirical value, and generally the screen resolution according to touch-screen waits to determine.
Compared with prior art, the present invention has following beneficial effect:
1, adopt the person's handwriting itself in the inventive method just to be generated object, and only the part of person's handwriting object in blackboard eraser track zone wiped, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates object, can remove effect by blackboard eraser that is virtually reality like reality preferably;
2, the inventive method can adopt rectangle to wipe to handle and circular wipes is handled the mode that combines, and makes the present invention have fine smooth effect when handling person's handwriting, can simulate the actual effect that blackboard eraser removes more realistically;
3, the inventive method adopts the background filling technique of multithreading, and can allow the person's handwriting object after being wiped free of, can regenerate corresponding person's handwriting object soon, on the one hand the user can being seen in real time wipes effect, makes the person's handwriting object that is generated have corresponding Object Operations on the other hand again.
Description of drawings
Fig. 1 is the process flow diagram of the method for a kind of erasing handwriting of the present invention;
Fig. 2 is the blackboard eraser track synoptic diagram of the method for a kind of erasing handwriting of the present invention;
Fig. 3 is blackboard eraser two locus of points figure of the method for a kind of erasing handwriting of the present invention;
Fig. 4 is the person's handwriting of method of a kind of erasing handwriting of the present invention and the rectangle intersection synoptic diagram of blackboard eraser track;
Fig. 5 is that the method rectangle of a kind of erasing handwriting of the present invention is wiped processing back synoptic diagram;
Fig. 6 is that the person's handwriting of method of a kind of erasing handwriting of the present invention and the circle of blackboard eraser track intersect synoptic diagram;
Fig. 7 is that the circular wipes of the method for a kind of erasing handwriting of the present invention is handled the back synoptic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Generally speaking, the method for a kind of erasing handwriting of the present invention adopts the multithreading of computing machine, and described method realizes with two threads, this two thread S1 and S2, and also thread S1 and thread S2 start simultaneously, and wherein, thread S1 carries out following steps:
S11, thread S1 start;
S12, obtain the information of the current point that blackboard eraser moves;
S13, according to a blackboard eraser track of the information structuring zone of the more preceding and current point of current point, current point more preceding is that the time order and function according to a generation comes to determine in proper order, current point more preceding promptly is in time more preceding of current point; If have only a point, be about to this point and be considered as current point, then, certainly, have only the situation of a point seldom to take place in actual applications according to this blackboard eraser track zone of current some structure;
S14, regional position with the person's handwriting object according to the blackboard eraser track concern, judge whether to produce and wipe message; If then enter S15; , then do not turn back to S12;
S15, the background picture of getting this blackboard eraser track zone are filled this blackboard eraser track zone, and send to thread S2 and to wipe message;
Thread S2 carries out following steps:
S21, thread S2 start;
S22, outstanding message;
S23, receive from the message of thread S1 and deposit the message buffer in;
S24, from the message buffer, take out message successively, and judge whether for wiping message, if then directly enter S26; If not, then enter S25;
S25, judge whether it is then to withdraw from thread S2 for withdrawing from message; Otherwise turn back to S22;
S26, the part of person's handwriting object in blackboard eraser track zone wiped, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object.
To enumerate specific embodiment the present invention is done more detailed description according to concrete application of the present invention below.
Embodiment 1
As shown in Figure 1, a kind of method of erasing handwriting adopts the multithreading of computing machine, and described method realizes with two threads, this two thread S1 and S2, and also thread S1 and thread S2 start simultaneously, and wherein, thread S1 carries out following steps:
S11, initialization start thread S1;
S12, obtain the information of the current some P2 that blackboard eraser moves;
S13, according to preceding 1 P1 of current point and the information of current some P2, the track zone of 2 of blackboard erasers of structure;
S14, regional position with the person's handwriting object according to the blackboard eraser track concern, judge whether to produce and wipe message; If then enter S15; , then do not turn back to S12;
S15, from background, take out picture, re-use this picture and fill, wipe processing messages to thread S2 transmission by P1 and the determined blackboard eraser track of P2 zone by P1 and the determined blackboard eraser track of P2 zone.
As Fig. 2, shown in Figure 3, construct the method in the track zone of 2 of blackboard erasers among the described S13, comprising:
Preceding 1 P1 and current some P2 according to current point determine the straight-line segment L1 of company between P1, the P2; Be two vertical line section R1R2 and the R3R4 of straight-line segment L1 respectively with P1, P2, and make P1 respectively, P2 is the mid point of two the vertical line sections of doing, and P1R1=r, so just obtains a rectangular area R1R3R4R2; Be the center of circle with 2 of P1, P2 respectively, r is that radius is drawn two circles; By the union zone of rectangular area R1R3R4R2 and two circles, promptly be at last by the determined blackboard eraser track of P1, P2 zone.
Described r value is an empirical value, and generally the screen resolution according to touch-screen waits to determine, when being the 1920*1280 pixel as the screen resolution of touch-screen, r can value be 40 pixels.
Thread S2 carries out following steps:
S21, startup thread;
S22, outstanding message;
S23, receive from the message of thread S1 and deposit the message buffer in;
S24, from the message buffer, take out message successively, and judge whether for wiping message, if then directly enter S26; If not, then enter S25;
S25, judge whether it is then to withdraw from thread S2 for withdrawing from message; Otherwise turn back to S22;
S26, judge whether it is that rectangle is wiped message, if then carry out rectangle and wipe processing; If not, then carrying out circular wipes handles.
As Fig. 4, shown in Figure 5, the described rectangle of S25 is wiped the way of processing, comprising:
S2501, obtain two intersection point Q1, Q2 of person's handwriting and rectangular area;
S2502, earlier with person's handwriting respectively from Q1, Q2 disconnection, remove the part between Q1 and the Q2 then, keep two head part newly-generated two the person's handwriting objects of laying equal stress at last.
As Fig. 6, shown in Figure 7, the way that the described circular wipes of S25 is handled comprises:
S2511, obtain two intersection point Q3, Q4 of person's handwriting and border circular areas;
S2512, earlier with person's handwriting respectively from Q3, Q4 disconnection, remove the part between Q3 and the Q4 then, keep two head part newly-generated two the person's handwriting objects of laying equal stress at last.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (3)
1. the method for an erasing handwriting, it is characterized in that: described method realizes with two threads, this two thread S1 and S2, and also thread S1 and thread S2 start simultaneously, and wherein, thread S1 carries out following steps:
S11, thread S1 start;
S12, obtain the information of the current point that blackboard eraser moves;
S13, according to a blackboard eraser track of the information structuring zone of the more preceding and current point of current point; If have only a point, be about to this point and be considered as current point, then according to this blackboard eraser track zone of current some structure;
S14, regional position with the person's handwriting object according to the blackboard eraser track concern, judge whether to produce and wipe message; If then enter S15; , then do not turn back to S12;
S15, the background picture of getting this blackboard eraser track zone are filled this blackboard eraser track zone, and send to thread S2 and to wipe message;
Thread S2 carries out following steps:
S21, thread S2 start;
S22, outstanding message;
S23, receive from the message of thread S1 and deposit the message buffer in;
S24, from the message buffer, take out message successively, and judge whether for wiping message, if then directly enter S26; If not, then enter S25;
S25, judge whether it is then to withdraw from thread S2 for withdrawing from message; Otherwise turn back to S22;
S26, the part of person's handwriting object in blackboard eraser track zone wiped, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object.
2. the method for a kind of erasing handwriting as claimed in claim 1, it is characterized in that: a blackboard eraser track of the information structuring zone of the described more preceding and current point according to current point of step S13, concrete grammar is as follows: according to the information of the more preceding and current point of current point, determine the company's straight-line segment between these 2; The vertical line section that is d with these 2 two length doing straight-line segment respectively makes these 2 mid points that are respectively two the vertical line sections of doing, and the two ends of these two vertical line sections of parallel connection can get a rectangular area; Be that the center of circle, vertical line section are that diameter is drawn two circles with these 2 respectively again; Blackboard eraser track region territory is formed in union zone by rectangular area and these two circles;
The described message of wiping comprises that circular wipes message and rectangle wipe message;
Step S26 is described to wipe the part of person's handwriting object in blackboard eraser track zone, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object, concrete grammar is as follows: judge whether wipe message is that rectangle is wiped message, if then carry out rectangle and wipe processing; If not, then carrying out circular wipes handles; Described rectangle is wiped to handle and is meant the part of person's handwriting object in the rectangular area wiped, and the person's handwriting that will be positioned at outside the rectangular area regenerates corresponding person's handwriting object; Described circular wipes processing is meant wipes the part of person's handwriting object in border circular areas, and the person's handwriting that will be positioned at outside the border circular areas regenerates corresponding person's handwriting object;
Described d is an empirical value.
3. the method for a kind of erasing handwriting as claimed in claim 1, it is characterized in that: step S13 is described if having only a point, be about to this point and be considered as current point, then according to this blackboard eraser track zone of current some structure, concrete grammar is as follows: with this point is that the center of circle, diameter are that d draws a circle, forms blackboard eraser track region territory by the zone of this circle;
The described message of wiping is circular wipes message;
Step S26 is described to wipe the part of person's handwriting object in blackboard eraser track zone, and the person's handwriting that will be positioned at outside the blackboard eraser track zone regenerates corresponding person's handwriting object, concrete grammar is as follows: judge whether wipe message is circular wipes message, if then carry out circular wipes and handle; Described circular wipes processing is meant wipes the part of person's handwriting object in border circular areas, and the person's handwriting that will be positioned at outside the border circular areas regenerates corresponding person's handwriting object;
Described d is an empirical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100411968A CN101609560B (en) | 2009-07-16 | 2009-07-16 | Method for erasing handwriting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100411968A CN101609560B (en) | 2009-07-16 | 2009-07-16 | Method for erasing handwriting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101609560A CN101609560A (en) | 2009-12-23 |
| CN101609560B true CN101609560B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100411968A Expired - Fee Related CN101609560B (en) | 2009-07-16 | 2009-07-16 | Method for erasing handwriting |
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| CN103455258B (en) * | 2012-05-28 | 2019-03-08 | 联想(北京)有限公司 | A kind of recognition methods of touch-control input and electronic equipment |
| CN103077025B (en) * | 2012-12-28 | 2015-11-18 | 锐达互动科技股份有限公司 | A kind of closed geometry figure is wiped trajectory and is generated the method for new trajectory |
| CN104182137B (en) * | 2013-05-28 | 2017-06-16 | 福建福昕软件开发股份有限公司 | A kind of method of the electronic handwriting on erasing data board |
| CN103578553B (en) * | 2013-10-14 | 2016-03-30 | 江苏敏行信息技术有限公司 | A kind of vector line style fast erase method |
| CN105574907B (en) * | 2015-12-18 | 2019-02-01 | 广州视睿电子科技有限公司 | Information processing method and device |
| CN106097414B (en) * | 2016-05-31 | 2018-11-13 | 福建天泉教育科技有限公司 | Curve method for deleting and system |
| CN106502607B (en) * | 2016-10-19 | 2019-02-22 | 广州视睿电子科技有限公司 | Line segment erasing method and device |
| CN106650648B (en) * | 2016-12-12 | 2020-04-03 | 广东威创视讯科技股份有限公司 | Recognition method and system for erasing handwriting |
| CN106775429A (en) * | 2017-03-08 | 2017-05-31 | 青岛海信电器股份有限公司 | A kind of method and apparatus based on setting-out storage on touch-screen |
| CN108733296B (en) * | 2018-04-28 | 2021-07-09 | 广州视源电子科技股份有限公司 | Method, device and equipment for erasing handwriting |
| CN110458920B (en) * | 2018-05-08 | 2021-09-21 | 杭州海康威视数字技术股份有限公司 | Handwriting erasing method and device |
| CN108733293B (en) * | 2018-06-11 | 2021-09-07 | 广州视源电子科技股份有限公司 | Writing track processing method and device |
| CN110633042A (en) * | 2019-08-23 | 2019-12-31 | 厦门亿联网络技术股份有限公司 | Handwriting erasing method, device and equipment for electronic whiteboard |
| CN110764674B (en) * | 2019-09-12 | 2021-03-26 | 湖南新云网科技有限公司 | Method and system for erasing note primitives of electronic whiteboard and electronic whiteboard |
| CN110910476A (en) * | 2019-10-18 | 2020-03-24 | 北京字节跳动网络技术有限公司 | Handwriting erasing method, device, medium and electronic equipment |
| CN111429541B (en) * | 2019-12-31 | 2024-03-08 | 杭州海康威视数字技术股份有限公司 | Graphic erasing method and device |
| CN111524211B (en) * | 2020-04-17 | 2024-01-23 | 杭州海康威视数字技术股份有限公司 | Handwriting erasing method, handwriting erasing device and handwriting erasing equipment |
| CN113610946B (en) * | 2021-08-03 | 2024-05-14 | 深圳市闪联信息技术有限公司 | Method for dividing drawing handwriting by using blackboard eraser function |
| CN113741729A (en) * | 2021-08-23 | 2021-12-03 | 深圳市唯酷光电有限公司 | Local erasing method, device, liquid crystal writing equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216945A (en) * | 2007-12-26 | 2008-07-09 | 广东威创视讯科技股份有限公司 | Method and device for graphic rendering |
| CN101216946A (en) * | 2007-12-26 | 2008-07-09 | 广东威创视讯科技股份有限公司 | Method and device for graphic rendering |
| CN101377856A (en) * | 2008-10-07 | 2009-03-04 | 广东威创视讯科技股份有限公司 | Handwriting writing method and apparatus |
-
2009
- 2009-07-16 CN CN2009100411968A patent/CN101609560B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216945A (en) * | 2007-12-26 | 2008-07-09 | 广东威创视讯科技股份有限公司 | Method and device for graphic rendering |
| CN101216946A (en) * | 2007-12-26 | 2008-07-09 | 广东威创视讯科技股份有限公司 | Method and device for graphic rendering |
| CN101377856A (en) * | 2008-10-07 | 2009-03-04 | 广东威创视讯科技股份有限公司 | Handwriting writing method and apparatus |
Non-Patent Citations (3)
| Title |
|---|
| JP昭59-231632A 1984.12.26 |
| JP特开平5-258041A 1993.10.08 |
| JP特开平6-124166A 1994.05.06 |
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Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 Guangzhou province high tech Industrial Development Zone, Guangdong, Cai road, No. 6, No. Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20180716 |