CN109358799A - The method of the hand annotation information of user's input is added on handwriting equipment - Google Patents
The method of the hand annotation information of user's input is added on handwriting equipment Download PDFInfo
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- CN109358799A CN109358799A CN201811056990.5A CN201811056990A CN109358799A CN 109358799 A CN109358799 A CN 109358799A CN 201811056990 A CN201811056990 A CN 201811056990A CN 109358799 A CN109358799 A CN 109358799A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- 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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Abstract
The method that the invention discloses a kind of to add the hand annotation information that user inputs on handwriting equipment, is related to information science technology field.This method are as follows: receive the hand-written information of user's input, after authentication information type is hand-written information, by the comparison to existing information and this trace information, judge whether that modified handwriting information is carried out real-time display by the hand annotation information updated storage, display equipment.In use, handwriting equipment has multiple-working mode, this hand annotation method can select the functions such as hand-written, erasing, collection according to button, after reading the hand annotation track on screen, it can be determined that hand-written front and back written handwriting, to judge whether to store new stroke, meet the hand annotation demand of certain customers, the storage in realization data simultaneously in real time shows the newly-increased effect of stroke on ink screen interface, show that speed is fast, it is high-efficient.
Description
Technical field
The present invention relates to information science technology field more particularly to it is a kind of on handwriting equipment add user input it is hand-written
The method of endorsement information.
Background technique
In education sector, homework be consolidate knowledge, essential link of studying in order to practise.With development in science and technology, religion
The operation and practice for educating field gradually push with no paper at all.
Operating efficiency can be greatly improved, due to different from liquid crystal display, ink screen equipment there will not be student eyesight etc.
Injury.So carrying out the distribution of operation in education sector using ink screen equipment, practicing and correct, obtained widely pushing away
Extensively, operating efficiency is greatly improved.
It is feature-rich due to tablet computer, it is convenient for classroom interactions, so, teacher side is then suitble to use tablet computer.In order to
The efficiency that teacher carries out the work such as work correction using tablet computer is improved, needs to carry out hand-written and erasing behaviour on tablet computer
When making, as far as possible on paper material operate when feel, operating experience it is similar, and can satisfy user input demand, with
Hand annotation habit in family is consistent.
But existing hand annotation method, it is mainly used in the liquid crystal displays such as electronic blackboard, mobile phone or the hand of other screens
On write device, and when carrying out hand annotation on devices, it is primarily present following defect: pen cannot be generated to handwriting
Mark object, and person's handwriting object can be generated to handwriting, then it needs to carry out hand by establishing the complicated algorithms such as boundary rectangle
Write person's handwriting detection so that the operating time is long, can not hand annotation effect in real time display, in addition, applicable device type have compared with
Big limitation, and have it is inefficient, cannot achieve real-time display.
Summary of the invention
The method that the purpose of the present invention is to provide a kind of to add the hand annotation information that user inputs on handwriting equipment,
To solve foregoing problems existing in the prior art.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A method of hand annotation information that adding user's input on handwriting equipment includes the following steps:
Step 1, handwriting equipment obtains the current action of user；
Step 2, judge whether current action is hand annotation movement, is otherwise jumped if it is, executing subsequent step
To step 11；
Step 3, display equipment saves original handwriting trace and point of addition information from memory, and handwriting equipment saves new
The hand annotation track of increasing and point of addition information；
Step 4, a point m is chosen from the newly-increased hand annotation track；
Step 5, a stroke L is chosen from original handwriting trace；
Step 6, point p each of on acquisition stroke L；
Step 7, the position of point m He point p are compared, judge whether two o'clock is overlapped, if be overlapped, record stroke L,
And step 8 is executed, otherwise go to step 6；Simultaneously judge point p whether the last one point for being stroke L, if it is, execute
Step 8,6 are otherwise gone to step；
Step 8, judge stroke L whether be original handwriting trace the last one stroke, if it is, executing step
Rapid 9, otherwise, go to step 5；
Step 9, judge point m whether be the newly-increased hand annotation track the last one point, if it is, executing step
Rapid 10, otherwise, go to step 4；
Step 10, the stroke L recorded in step 7 is added to memory；
Step 11, the existing stroke in display memory.
Preferably, step 1 specifically: handwriting equipment obtains user's input by the perception to pressure and currently inputs institute
The material information used, wherein user's input includes action mode and/or action of writing, and action of writing is rendered as two dimension
The track of plane, is stored as the point set array that element is two-dimensional coordinate, and the array only has limited point.
Preferably, in step 2, specifically: it obtains current system conditions and collected user inputs information, according to current
Touch material, type of gesture and position, system mode carries out the differentiation of action type；Judgement be hand-written mode, erasing mode or
Stowage mode, will write or erasing move is distinguished with user interface switching interactive action.
Preferably, in step 3, original handwriting trace is saved in the form of stroke array, each in array
Element represents a stroke object, and each stroke object is the object array of the point of limited two-dimensional coordinate composition.
Preferably, in step 7, the position by point m He point p is compared, and judges whether two o'clock is overlapped, specifically,
If the difference of the coordinate of two o'clock position is less than preset threshold, two o'clock is overlapped, otherwise is not overlapped；The preset threshold is according to user's
Selection is adjusted.
Preferably, step 10 when access, passes through decision specifically, stroke is stored in the form of object array in memory
The location of in the array of the stroke of label in memory, accesses the array in memory and increase corresponding pen from array
It draws.
Preferably, specifically, removing information rendered on current display screen, the drafting information refers to step 11
The information shown on current display screen；By the traversal to stroke array in memory, the point in stroke array is carried out smooth
Connection is drawn, and hand annotation will be added again, and treated that person's handwriting is shown, described to be smoothly connected drafting, specifically: stroke
Element in array is the coordinate of point, and point is limited point, when drawing becomes lines, is dealt with to the diameter of point, and to point
Processing is attached according to the sequence of distance and stroke；Connection processing, i.e., to the point on the same stroke according to sequence into
Row connection.
The beneficial effects of the present invention are: hand-written batch for adding user's input on handwriting equipment provided in an embodiment of the present invention
The method for infusing information receives the hand-written information of user's input, after authentication information type is hand-written information, by existing information and
The comparison of this trace information judges whether the hand annotation information updated storage, shows equipment by modified handwriting information
Carry out real-time display.In use, handwriting equipment has multiple-working mode, this hand annotation method can be according to button
The functions such as hand-written, erasing, collection are selected, after reading the hand annotation track on screen, it can be determined that hand-written front and back written handwriting,
To judging whether to store new stroke, meet the hand annotation demand of certain customers, realizes storage in data simultaneously, in real time
The newly-increased effect of stroke is shown on ink screen interface, display speed is fast, high-efficient.
Detailed description of the invention
Fig. 1 is the method stream of the hand annotation information provided in an embodiment of the present invention that user's input is added on handwriting equipment
Journey schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are only used to explain the present invention, it is not used to
Limit the present invention.
The hand annotation letter that user inputs is added on handwriting equipment as shown in Figure 1, the embodiment of the invention provides a kind of
The method of breath, includes the following steps:
Step 1, handwriting equipment obtains the current action of user；
Step 2, judge whether current action is hand annotation movement, is otherwise jumped if it is, executing subsequent step
To step 11；
Step 3, display equipment saves original handwriting trace and point of addition information from memory, and handwriting equipment saves new
The hand annotation track of increasing and point of addition information；
Step 4, a point m is chosen from the newly-increased hand annotation track；
Step 5, a stroke L is chosen from original handwriting trace；
Step 6, point p each of on acquisition stroke L；
Step 7, the position of point m He point p are compared, judge whether two o'clock is overlapped, if be overlapped, record stroke L,
And step 8 is executed, otherwise go to step 6；Simultaneously judge point p whether the last one point for being stroke L, if it is, execute
Step 8,6 are otherwise gone to step；
Step 8, judge stroke L whether be original handwriting trace the last one stroke, if it is, executing step
Rapid 9, otherwise, go to step 5；
Step 9, judge point m whether be the newly-increased hand annotation track the last one point, if it is, executing step
Rapid 10, otherwise, go to step 4；
Step 10, the stroke L recorded in step 7 is added to memory；
Step 11, the existing stroke in display memory.
Wherein, handwriting equipment may include handwriting pad and hand-written control unit, and handwriting pad is for obtaining user to hand-written
The operational motion of equipment, including use writing pencil or finger to touch plate face, and move in plate face.Handwriting pad can use plate
Computer equipment, hand-written texture and visual experience and the hand-written experience of papery are similar.Tablet computer is powerful, and suitable teacher side makes
With.And writing line thickness can be finely tuned, when writing so as to improve user according to pen pressure, written residence time etc.
Writing experience.
Hand-written control unit can judge type of action according to the user's choice, and obtain hand-written motion track；Wherein,
Movement may be writing or erasing move, it is also possible to which collection acts, and therefore, when detecting the interface operation on hardware, is
System is detected and is classified to the type of operation.User preselects on system operatio interface, preparatory when capturing input
Current state is added in the object of input, increases input type or status attribute to the object, for subsequent processing resolution.
For handwriting equipment when acquiring data, collected is the track position of point.The input that handwriting equipment detects every time
Not straight line, but a line composed by multiple points, are made of limited point, by according to hand-written each point
Time delay judges that two points whether on same unicursal, are then deposited the point input of handwriting pad according to stroke respectively
Storage, and send all handwriting traces to be shown to display screen and show.
Wherein, step 1 is specifically as follows: handwriting equipment obtains user's input and current input by the perception to pressure
Used material information, wherein user's input includes action mode and/or action of writing, and action of writing is rendered as two
The track of dimensional plane, is stored as the point set array that element is two-dimensional coordinate, and the array only has limited point.
Step 2 is specifically as follows: obtaining current system conditions and collected user inputs information, according to current touch material
Matter, type of gesture and position, system mode carry out the differentiation of action type；Judgement is hand-written mode, erasing mode or collection mould
Formula, will write or erasing move is distinguished with user interface switching interactive action.
In step 3, original handwriting trace is saved in the form of stroke array, and each element represents in array
One stroke object, each stroke object are the object arrays of the point of limited two-dimensional coordinate composition.
In step 7, the position by point m He point p is compared, and judges whether two o'clock is overlapped, specifically, if two points
The difference for the coordinate set is less than preset threshold, then two o'clock is overlapped, otherwise is not overlapped；The preset threshold carries out according to the user's choice
Adjustment.
Wherein, preset threshold can be understood as stroke weight set by user.Specific judgment method can be with are as follows: acquirement
Two point m and p are the points on two-dimensional surface, and the abscissa of two o'clock and ordinate are subtracted each other respectively.Two distances are respectively less than threshold
Assert that two o'clock is overlapped when value.
If judging, the two points are overlapped, and need to determine whether the point is the last one point on the stroke, if it is not, also
It needs to carry out the judgement without comparison point.If so, the stroke is not through this point on newly-increased handwriting tracks, then hold
Row step 8 carries out the judgement of next stroke.
Step 10 is specifically as follows, and stroke is stored in the form of object array in memory, when access, passes through and determines label
Stroke array in memory in the location of, access the array in memory and increase corresponding stroke from array.
Increase operation below for above-mentioned stroke explains.The storage organization of stroke is introduced first: all strokes
It is stored in an array in memory, each element in array represents a stroke.The structure of each stroke element is
Trace information and other additional informations.The trace information of each stroke is an array, and each element of array is on the stroke
The coordinate of one point.When acquiring input, if hand-written excessive velocities, point in each stroke may be than sparse, therefore in book
When writing bit mapping cannot such as be put to the judgement of intersection by other means, whether sentenced by minimum circumscribed rectangle mode
It is disconnected, in order to avoid the problems such as hand-written efficiency occur reduces, and the handwriting trace that person's handwriting passes through is not properly displayed but.
According to above-mentioned storage organization, determine that each subscript for increasing stroke newly is that the last one subscript of array in memory adds
One.
Step 11 is specifically as follows, and removes information rendered on current display screen, the drafting information, which refers to, to be worked as
The information shown on preceding display screen；By the traversal to stroke array in memory, the point in stroke array is smoothly connected
Drafting is connect, hand annotation will be added again, and treated that person's handwriting is shown, and it is described to be smoothly connected drafting, specifically: stroke number
Element in group is the coordinate of point, and point is limited point, when drawing becomes lines, is dealt with to the diameter of point, and to a root
Processing is attached according to the sequence of distance and stroke；The connection processing, i.e., carry out the point on the same stroke according to sequence
Connection.
By using above-mentioned technical proposal disclosed by the invention, obtained following beneficial effect: the embodiment of the present invention is mentioned
The method that the hand annotation information that user inputs is added on handwriting equipment supplied, receives the hand-written information of user's input, identifies
After information type is hand-written information, by the comparison to existing information and this trace information, judge whether the hand updated storage
Endorsement information is write, modified handwriting information is carried out real-time display by display equipment.In use, handwriting equipment has more
Kind operating mode, this hand annotation method can select the functions such as hand-written, erasing, collection according to button, read the hand on screen
After writing annotation track, it can be determined that hand-written front and back written handwriting meets certain customers' to judge whether to store new stroke
Hand annotation demand realizes that the newly-increased effect of stroke simultaneously, is shown on ink screen interface in real time, shown by storage in data
Show that speed is fast, it is high-efficient.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (7)
1. a kind of method for the hand annotation information for adding user's input on handwriting equipment, which is characterized in that including walking as follows
It is rapid:
Step 1, handwriting equipment obtains the current action of user；
Step 2, judge whether current action is hand annotation movement, if it is, otherwise executing subsequent step jumps to step
Rapid 11；
Step 3, display equipment saves original handwriting trace and point of addition information from memory, and handwriting equipment saves newly-increased
Hand annotation track and point of addition information；
Step 4, a point m is chosen from the newly-increased hand annotation track；
Step 5, a stroke L is chosen from original handwriting trace；
Step 6, point p each of on acquisition stroke L；
Step 7, the position of point m He point p are compared, judges whether two o'clock is overlapped, if be overlapped, record stroke L, and hold
Row step 8, otherwise gos to step 6；Simultaneously judge point p whether the last one point for being stroke L, if so, thening follow the steps
8, otherwise go to step 6；
Step 8, judge whether stroke L is the last one stroke of original handwriting trace, if so, 9 are thened follow the steps,
Otherwise, 5 are gone to step；
Step 9, judge point m whether be the newly-increased hand annotation track the last one point, if so, thening follow the steps
10, otherwise, go to step 4；
Step 10, the stroke L recorded in step 7 is added to memory；
Step 11, the existing stroke in display memory.
2. the method for the hand annotation information according to claim 1 for adding user's input on handwriting equipment, feature
It is, step 1 specifically: handwriting equipment obtains material used in user's input and current input by the perception to pressure
Information, wherein user's input includes action mode and/or action of writing, and action of writing is rendered as the track of two-dimensional surface,
It is stored as the point set array that element is two-dimensional coordinate, the array only has limited point.
3. the method for the hand annotation information according to claim 1 for adding user's input on handwriting equipment, feature
Be, in step 2, specifically: obtain current system conditions and collected user and input information, according to current touch material,
Type of gesture and position, system mode carry out the differentiation of action type；Judgement is hand-written mode, erasing mode or stowage mode,
It will write or erasing move distinguished with user interface switching interactive action.
4. the method for the hand annotation information according to claim 1 for adding user's input on handwriting equipment, feature
It is, in step 3, original handwriting trace is saved in the form of stroke array, and each element represents one in array
A stroke object, each stroke object are the object arrays of the point of limited two-dimensional coordinate composition.
5. the method for the hand annotation information according to claim 1 for adding user's input on handwriting equipment, feature
It is, in step 7, the position by point m He point p is compared, and judges whether two o'clock is overlapped, specifically, if two o'clock position
Coordinate difference be less than preset threshold, then two o'clock be overlapped, otherwise be not overlapped；The preset threshold is adjusted according to the user's choice
It is whole.
6. the method for the hand annotation information according to claim 1 for adding user's input on handwriting equipment, feature
It is, step 10 when access, passes through the stroke for determining label specifically, stroke is stored in the form of object array in memory
The location of in array in memory, accesses the array in memory and increase corresponding stroke from array.
7. the method for the hand annotation information according to claim 1 for adding user's input on handwriting equipment, feature
It is, for step 11 specifically, removing information rendered on current display screen, the drafting information refers to current display screen
The information shown on curtain；By the traversal to stroke array in memory, the point in stroke array is carried out to be smoothly connected drafting, weight
Hand annotation will newly be added, and treated that person's handwriting is shown, described to be smoothly connected drafting, specifically: the element in stroke array
It is the coordinate of point, point is limited point, when drawing becomes lines, is dealt with to the diameter of point, and to point according to distance and pen
The sequence of picture is attached processing；Connection processing, i.e., to the point on the same stroke according to being sequentially attached.
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| CN201811056990.5A CN109358799B (en) | 2018-09-11 | 2018-09-11 | Method for adding handwritten annotation information input by user on handwriting equipment |
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| CN201811056990.5A CN109358799B (en) | 2018-09-11 | 2018-09-11 | Method for adding handwritten annotation information input by user on handwriting equipment |
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