CN106909246A - A kind of electronic writing method for deleting and Intelligent touch TV - Google Patents
A kind of electronic writing method for deleting and Intelligent touch TV Download PDFInfo
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- CN106909246A CN106909246A CN201710028853.XA CN201710028853A CN106909246A CN 106909246 A CN106909246 A CN 106909246A CN 201710028853 A CN201710028853 A CN 201710028853A CN 106909246 A CN106909246 A CN 106909246A
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- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000006748 scratching Methods 0.000 claims abstract description 28
- 230000002393 scratching effect Effects 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 16
- 230000033001 locomotion Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
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- User Interface Of Digital Computer (AREA)
Abstract
The present invention is that, on a kind of electronic writing method for deleting and Intelligent touch TV, methods described includes, obtains the execution time of erasing provincial characteristics point position coordinates and erasing operation；The border in erasing region is determined according to the erasing provincial characteristics point position coordinates and the execution time；Remove in the erasing region of the borders or the overseas content of scratching area.Method provided in an embodiment of the present invention, calculating data volume is few, process is simple, so that it is few to take storage and computing resource.
Description
Technical field
The present invention relates to electronic writing technical field, more particularly to a kind of electronic writing method for deleting and Intelligent touch electricity
Depending on.
Background technology
Electronic writing application be it is a kind of on an electronic device perform write, draw and erasing move application, it uses shape
Formula is broadly divided into two kinds, and one kind is used on electronic whiteboard integrated machine, is applied to the occasions such as multimedia teaching, meeting room, makes
User can be write with hand or supporting electronic pen in plate face, and wipe plate using electronics rubber or supporting electronics blackboard eraser
Content on face；Another kind is used on smart machine (for example, Intelligent touch TV, intelligent mobile terminal and PC ends etc.),
The display screen for installing the smart machine of electronic writing application can be used as clipboard, and user can use hand or mouse control
Lettering pen is write in plate face, and with the content on hand or mouse control electronics erased by rubber plate face.
Fig. 1 is a kind of Intelligent touch TV structure schematic diagram that can provide tablet function.As shown in fig. 1, intelligence
Touching TV includes display screen 1, touch frame 2, touch-control MCU3 and processor 4, wherein, touch frame 2 is arranged on the surrounding of display screen 1
On framework, touch-control MCU3 is connected with touch frame 2, and touch-control MCU3 is used for the position reality being blocked according to infrared signal in touch frame 2
The positioning and touch function of existing display screen 1；Processor 4 is electrically connected with display screen 1 and touch-control MCU3 respectively, for according to touch-control
Content writing and wiping in the position data control display screen 1 that MCU3 sends.When needing to wipe the content on display screen 1,
User selects electronics rubber function, and the movement of electronics rubber is controlled with user, and the real-time positioning electronic rubber of touch frame 2 exists
Position on display screen 1, and these position datas are sent to touch-control MCU3.Touch-control MCU3 according to the position data, really
Determine the motion track of electronics rubber, and send the mobile trajectory data to processor 4, width of the processor 4 according to electronics rubber
Degree and mobile trajectory data, calculate the migration area of electronics rubber, so that it is determined that the erasing region of erasing rubber, further will display
The content wiped on screen 1 in region is removed.
But, touch-control MCU3 needs each position data of real-time positioning electronic rubber moving process covering, and according to this
A little position datas calculate motion track；Meanwhile, processor 4 needs to calculate scratching area according to the width and motion track of erasing rubber
Domain, causes the data volume for calculating erasing region big and process is complicated, so as to take the computing resource of processor.
The content of the invention
To overcome correlation technique to calculate the problem that data volume is big, process is complicated, the present invention provides a kind of electronic writing erasing
Method and Intelligent touch TV.
A kind of first aspect according to embodiments of the present invention, there is provided electronic writing method for deleting, including：
Obtain the execution time of erasing provincial characteristics point position coordinates and erasing operation；
The border in erasing region is determined according to the erasing provincial characteristics point position coordinates and the execution time；
Remove in the erasing region of the borders or the overseas content of scratching area.
Second aspect, there is provided another electronic writing method for deleting schematic flow sheet, including：
Obtain erasing provincial characteristics point position coordinates；
The closed area to be formed is connected according to the erasing provincial characteristics point position coordinates, the side in the erasing region is determined
Boundary；
Remove in the erasing region of the borders or the overseas content of scratching area.
A kind of third aspect, there is provided Intelligent touch TV, including：Memory, processor, display screen and infrared touch-control group
Part, wherein：
The memory, for store program codes；
The infrared touch control component, including infrared touch frame, touch-control MCU and touch drive circuit, wherein, it is described infrared tactile
Control frame is arranged on the display screen surrounding framework, and the touch-control MCU is used to control the touch drive circuit, and the touch-control drives
Dynamic circuit is used to drive infrared transmitting tube and infrared receiving tube in the infrared touch frame；
The processor, for performing first aspect and the method described in second aspect, controls content on the display screen
Erasing.
The technical scheme that embodiments of the invention are provided can include the following benefits：
In method provided in an embodiment of the present invention, the execution of erasing provincial characteristics point position coordinates and erasing operation is obtained
Time, length and erasing provincial characteristics point according to the time of execution determine the border in erasing region, so as to wipe borders
Region in or region outside content.Seen from the above description, when it is determined that wiping zone boundary, according to the feature in erasing region
Point and execution time just can determine that, it is necessary to data volume it is few, and calculating process is simple, so as to take storage resource and calculate provide
Source is few, reaches the synchronization of user's erasing move and device erasing operation.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets implementation of the invention
Example, and be used to explain principle of the invention together with specification.
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of Intelligent touch TV structure schematic diagram that can provide tablet function；
Fig. 2 is the schematic flow sheet of embodiment provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of embodiment provided in an embodiment of the present invention two；
Fig. 4 is the schematic flow sheet of embodiment provided in an embodiment of the present invention three；
Fig. 5 is the schematic flow sheet of example IV provided in an embodiment of the present invention；
Fig. 6 is the schematic flow sheet of embodiment provided in an embodiment of the present invention five；
Fig. 7 is another electronic writing method for deleting schematic flow sheet provided in an embodiment of the present invention.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
By taking Intelligent touch TV as an example, electronic writing application is arranged in Intelligent touch TV, should when electronic writing is opened
With rear, Intelligent touch TV is used as clipboard, and user can write on the display screen of Intelligent touch TV, paint
Draw, when erasing is needed, select electronics rubber, electronics rubber is clicked on hand, dragging electronics rubber is slided, so as to wipe electronics rubber
The erasing region of skin motion track covering.
But, Intelligent touch TV needs each position data covered in real-time positioning electronic rubber moving process,
Motion track is calculated according to all of position data, meanwhile, according to the width of electronics rubber, erasing region is calculated, finally remove
The contents such as word or drawing on display screen in erasing region.
Embodiment one
The embodiment of the present invention provides a kind of electronic writing method for deleting, is implementation provided in an embodiment of the present invention referring to Fig. 2
The schematic flow sheet of example one.
In step S101, the execution time of erasing provincial characteristics point position coordinates and erasing operation is obtained.
Erasing provincial characteristics point refers to the corresponding central point in erasing region, boundary point etc., for example, when erasing region is circle
During domain, erasing provincial characteristics point is circular central point or borderline any point.In electronic writing application, when need wipe
During except content, after selection electronics rubber, processor sends erasing region figure selecting instruction, wherein, erasing region figure is included
The figure such as circle, square, rectangle, triangle, five-pointed star, each figure has respective characteristic point, for example, square
Shape has the midpoint of central point, the angle point on four angles and each side.Processor sends erasing region figure selecting instruction
Afterwards, occur multiple figure selecting frames on the display screen of Intelligent touch TV, user selects as needed.
Erasing operation includes that user presses electronics rubber, electronics rubber is dragged into erasing with hand in the embodiment of the present invention
Click or double-click electronics rubber etc. in region.Execution time correspondence erasing operation, for example, when erasing operation for user's hand is pressed
During electronics rubber, the time of user's pressing electronics rubber is the execution time, when erasing operation for electronics rubber is clicked or double
When hitting electronics rubber, execution time timing since clicking after electronics rubber, until after clicking electronics rubber again, clicking twice
Between time be the execution time, similarly, when erasing operation is to double-click electronics rubber, the execution time to double-click electronics twice
Time between rubber.
In step s 102, the border in region is wiped according to erasing provincial characteristics point position coordinates and the time determination of execution.
After user presses electronics rubber, clicks or double-click electronics rubber, processor obtains erasing provincial characteristics point position
Coordinate is put, the size of erasing zone boundary is determined according to the time of execution, as the time of execution wipes region increase or reduces, erasing
During regional change, to wipe the starting point that provincial characteristics point position coordinates is erasing region.
In step s 103, remove in the erasing region of borders or the overseas content of scratching area.
Behind the border for determining erasing region within the execution time of erasing operation, may be selected to remove the scratching area of borders
In domain or the overseas content of scratching area.When selecting electronics rubber function to perform erasing operation, processor sends removing scratching area
In domain or the overseas selection instruction of scratching area, when the content in erasing region is removed in user's selection, it is determined that erasing region
Border after, then the automatic content removed in erasing region, similarly, when the overseas content of scratching area is removed in user's selection,
It is determined that behind the border in erasing region, then removing the overseas content of scratching area automatically.
Method provided in an embodiment of the present invention, user select electronics rubber when, can simultaneous selection electronics rubber wiping
Except in figure and erasing region or the overseas content of scratching area, so as to realize quick erasing.When user stops pressing electronics
During rubber, the border that erasing region is just can determine that in the time period is performed in current erasure operation, now processor control is removed and wiped
Except in region or the overseas content of scratching area.Similarly, when user clicks or double-click electronics rubber again, in current erasure area
Just the border in erasing region is can determine that in the execution time in domain, now processor control is removed in erasing region or scratching area is overseas
Content.
After it is determined that wiping zone boundary, the boundary line in erasing region can be shown on a display screen, or, grasped in erasing
Make in implementation procedure, with the increase of the time of execution, erasing zone boundary increases or reduces, and scratching area is shown on a display screen
Domain border is with the process for performing time change.
Seen from the above description, method provided in an embodiment of the present invention, the position of positioning erasing provincial characteristics point first is sat
Mark, the length for then performing the time according to erasing operation determines the size in erasing region, that is to say, that erasing region is with execution
Time change, electronics rubber is without movement and covers all of content in erasing region, just can realize wiping the clear of region content
Remove, therefore, processor calculates motion track without obtaining each coordinate points in erasing region, meanwhile, without according to electronics
The width and mobile trajectory data of rubber calculate the area in erasing region, so, calculate erasing region data volume it is small and
Process simplification, in addition, the storage position for taking register is reduced, and takes the computing resource reduction of processor, it is other processes
Computing resource is vacated, the speed of service of processor is improved.
Embodiment two
It is the schematic flow sheet of embodiment provided in an embodiment of the present invention two referring to Fig. 3.
In step s 201, the execution time of erasing provincial characteristics point position coordinates and erasing operation is obtained.
In step S202, according to the time of execution, it is determined that the size of the characteristic value of erasing region correspondence preset pattern.
From above-described embodiment describe, user select electronics rubber when, can simultaneous selection erasing region figure,
The corresponding preset pattern in region is namely wiped, and the characteristic value for wiping region correspondence preset pattern refers to that erasing region correspondence is default
The graphic feature values such as the length of side of figure, girth or area.Therefore, method provided in an embodiment of the present invention, according to the time of execution
Length, it is determined that the size of the characteristic value of erasing region correspondence preset pattern, so that it is determined that the border in erasing region.
For example, when region preset pattern is wiped for circle, characteristic value is radius, girth or the area in the center of circle, works as erasing
When region preset pattern is for square, characteristic value is the foursquare length of side, catercorner length, girth or area.
It is that the center point coordinate or boundary point for wiping region are sat to wipe provincial characteristics point position coordinates in step S203
Mark, the size according to characteristic value determines the border in erasing region.
It is when wiping the central point in region, to determine that erasing region correspondence is default according to the time of execution when provincial characteristics point is wiped
During the characteristic value of figure, the border in erasing region is just can determine that.For example, when region correspondence preset pattern is wiped for circle, with
Erasing provincial characteristics point is the central point for wiping region, and circular radius is determined according to the time of execution, therefore, according in circle
Heart point and radius are the border that can determine that scratching area domain.
Or, it is foursquare center to wipe provincial characteristics point when region correspondence preset pattern is wiped for square
Point, according to the time of execution, determines the foursquare length of side, girth or area, as a example by determining the foursquare length of side, when it is determined that square
After the length of side of shape, the border in square erasing region is just can determine that according to foursquare central point and the length of side.
It is when wiping the boundary point in region, for example, when erasing region correspondence preset pattern is length when provincial characteristics point is wiped
When square, to wipe the point that provincial characteristics point is a foursquare angle, according to the time of execution, the adjacent both sides of rectangle are determined
Length, foursquare girth or area, wherein it is desired to rectangular length-width-ratio is preset, then, according to wherein the one of length direction
The point at individual angle and the length on adjacent both sides just can determine that rectangular border, so that it is determined that the border in erasing region.
In step S204, remove in the erasing region of borders or the overseas content of scratching area.
Clearly wipe in region or the overseas content of scratching area can be according to erasing zone boundary with the increase of the time of execution
And increase or reduce determination with the increase of the time of execution.When erasing zone boundary increases with the increase of the time of execution
When, then the content in erasing region is removed, when erasing zone boundary reduces with the increase of the time of execution, then remove erasing
Content outside region.
If erasing zone boundary with the increase of the time of execution when increasing, illustrate erasing region with the execution time to
Outer expansion, now according to perform the time increase and expand erasing region；If erasing zone boundary is with the increasing of the time of execution
It is big and when reducing, illustrate erasing region as the execution time thinks interior diminution, the now increase according to the execution time and reduce erasing
Region.
Another embodiment is that, when stopping pressing electronics rubber, clicking again or double-click electronics rubber, processor is given
Go out to remove erasing region or the overseas selection instruction of scratching area, selection dialog box is shown on a display screen, for user's selection
Remove in erasing region or wipe my ide contents of region.
Step same as the previously described embodiments, will not be repeated here in the embodiment of the present invention.
Seen from the above description, method provided in an embodiment of the present invention, the execution time according to erasing operation determines erasing
Region corresponds to the size of the characteristic values such as the length of side, girth and the area of figure, and then, the position according to erasing provincial characteristics point is sat
Mark, and erasing regional characteristic value size, it is determined that the border in erasing region, finally removes in erasing region or scratching area is overseas
Content.Method provided in an embodiment of the present invention, when erasing region is calculated, when need to only obtain erasing provincial characteristics point and perform
Between, and go out to wipe the characteristic value of region corresponding diagram shape according to Time Calculation is performed, finally, according to erasing provincial characteristics point and spy
Value indicative determines erasing zone boundary, and amount of calculation is small and calculating process is simple in calculating process, while calculating speed is accelerated, plus
Fast erasing move.
Embodiment three
In step S301, the execution time of erasing provincial characteristics point position coordinates and erasing operation is obtained.
In step s 302, according to time and corresponding length of default unit interval is performed, the size of characteristic value is determined.
Default unit interval and unit interval corresponding length, wherein unit interval with the second or millisecond is the unit time,
With cm distance unit, the product of execution time length corresponding with the default unit interval is the size of characteristic value to length.For example,
When erasing region is for circle, the time that performs is 2 seconds, and the unit interval, unit interval correspondence length was 5 centimetres in seconds, that
In the execution time of 2 seconds, the length of correspondence circular radius is 10 centimetres, therefore, correspondence circular radius in erasing region is 10
Centimetre.
Similarly, for erasing region be the figures such as square, rectangle, five-pointed star characteristic value calculating, it is also possible to root
Calculated according to the product for performing time length corresponding with the default unit interval.When it is decimal to perform the time, the time is performed
The product of length corresponding with the unit interval may be complicated decimal, and now, the decimal that will can be calculated is rounded, and makes scratching area
Characteristic of field value is integer, accelerates the calculating speed of processor.
It is that the center point coordinate or boundary point for wiping region are sat to wipe provincial characteristics point position coordinates in step S303
Mark, the size according to characteristic value determines the border in erasing region.
In step s 304, remove in the erasing region of borders or the overseas content of scratching area.
Seen from the above description, method provided in an embodiment of the present invention, using the time that performs length corresponding with the unit interval
Product, erasing regional characteristic value is calculated, so as to determine erasing region according to erasing regional characteristic value and erasing provincial characteristics point
Border.When it is determined that wiping zone boundary, it is only necessary to which using wiping, provincial characteristics point, execution time and unit interval are corresponding
Length computation, calculating data volume is few, and calculating process is simple, and the computing resource for taking processor is few, so that calculating
Process is accelerated, it is ensured that the quick execution of erasing move.
Example IV
It is example IV schematic flow sheet provided in an embodiment of the present invention referring to Fig. 5.
In step S401, the execution time of erasing provincial characteristics point position coordinates and erasing operation is obtained.
In step S402, according to the execution time and Preset Time step-length, the step number of the characteristic value is determined.
Execution time and the ratio of Preset Time step-length, can calculate execution time corresponding step number, when piezoelectricity is pressed in stopping
Sub- rubber, when clicking again or double-clicking electronics rubber, show to wipe provincial characteristics on the display screen of Intelligent touch TV
The erasing region of point or boundary point centered on point, meanwhile, show step number in erasing region.
Or, with the increase of the time of execution, not by a time step, step number is shown on a display screen
Boundary line, when by after two time steps, showing two boundary lines of step number on a display screen, facilitates user to judge with this
Whether the erasing region shown on display screen is corresponding with the region of desired erasing.
During step number is calculated, the time that performs may be decimal with the ratio of Preset Time step-length, now for convenience
The size of characteristic value is calculated, the decimal of calculating is rounded up or down, integer ratios are obtained, it is determined that the ratio of integers being calculated
Value is characterized the step number of value.
In step S403, according to the step number and the corresponding length of Preset Time step-length, the characteristic value is determined
Size.
Preset the corresponding length of each time step, that is, the corresponding length of each step number, step number and Preset Time
The product of step-length correspondence length is the numerical value of erasing regional characteristic value, so that erasing can be determined according to characteristic value and characteristic point
The border in region.
In step s 404, with it is described erasing provincial characteristics point position coordinates be the erasing region center point coordinate or
Border point coordinates, the size according to the characteristic value determines the border in erasing region.
In step S405, remove in the erasing region of the borders or the overseas content of scratching area.
Seen from the above description, when the size of erasing regional characteristic value is calculated, walked with Preset Time by performing the time
Length calculates the step number of characteristic value, then calculates the size that step number does not grow corresponding length computation characteristic value with Preset Time, because
This, when the size of characteristic value is calculated, by performing time, time step and the corresponding length computation characteristic value of time step
Size, it follows that calculating, data volume is small, calculating process is simple, so that it is few to take processor computing resource.
Embodiment five
It is the schematic diagram of embodiment provided in an embodiment of the present invention 5 sixty percent referring to Fig. 6.
In step S501, the execution time of erasing provincial characteristics point position coordinates and erasing operation is obtained.
In step S502, judge the execution time whether more than or equal to default maximum execution time.
Described in above-described embodiment, perform time value and press the time of electronics rubber, or click twice between electronics rubber
Time value etc., but when implemented between it is long when, according to performing erasing zone boundary that Time Calculation goes out beyond Intelligent touch electricity
Depending on the border of display screen, therefore, when erasing zone boundary is calculated, judge whether the execution time is more than or equal to and preset most long holding
The row time.
Maximum execution time corresponds to the size and unit interval corresponding length of display screen, Huo Zheshi according to distinct device
Between corresponding with the time step length of step-length determine.
In step S503, if, it is determined that display screen border is the border for wiping region.
If the time of execution is more than or equal to maximum execution time, it is determined that display screen border is the border for wiping region,
Namely remove full screen content.
When region is wiped for circle, maximum execution time correspondence circular radius are the half of display screen diagonal, but,
When being maximum execution time between when implemented, display screen is not completely covered according to the circular boundary for performing Time Calculation, now,
Content in the controllable region for removing circular wipes region overlay display screen.
In step S504, if it is not, then according to erasing provincial characteristics point and performing time determination erasing zone boundary.
If the time of execution is less than maximum execution time, the method for now being provided according to above-described embodiment calculates erasing region
Border.
In step S505, remove in the erasing region of erasing borders or the overseas content of scratching area.
Seen from the above description, method provided in an embodiment of the present invention defines maximum execution time, when implemented between it is big
When maximum execution time, then remove full screen content, when implemented between less than maximum execution time when, according to above-mentioned reality
The method for applying example offer calculates erasing zone boundary.Therefore, method provided in an embodiment of the present invention provides a kind of cls
Method, when cls is needed, performs erasing operation for a long time.
Second aspect, the embodiment of the invention provides another electronic writing method for deleting, be of the invention real referring to Fig. 7
Another electronic writing method for deleting schematic flow sheet of example offer is provided.
In step s 601, erasing provincial characteristics point position coordinates is obtained.
The feature point coordinates in erasing region is obtained, for example, when region is wiped for square, two are clicked on a display screen
Secondary, corresponding position coordinates twice, the two position coordinateses correspondence foursquare two boundary points or two angles pair are clicked in acquisition
The point answered.
Or, click on a display screen three times, or click three corresponding position coordinateses.It is provided in an embodiment of the present invention
In method, it is multiple to obtain erasing provincial characteristics point.
In step S602, the closed area to be formed is connected according to erasing provincial characteristics point position coordinates, determine scratching area
The border in domain.
The erasing provincial characteristics point position coordinates connection that will be obtained, forms a closed area, determines that the closed area is
Erasing region.
Or, when region preset pattern is wiped for circle, three erasing provincial characteristics points being obtained, three erasing regions are special
It is erasing region to levy a circumscribed circle of correspondence triangle or inscribed circle；When region preset pattern is wiped for square, two are obtained
Individual erasing provincial characteristics point, with two characteristic points be it is square it is diagonal on two points, it is determined that the border in square erasing region.
In step S603, remove in the erasing region of borders or the overseas content of scratching area.
This step is identical with the method that above-described embodiment is provided, and will not be repeated here.
Seen from the above description, method provided in an embodiment of the present invention, obtains multiple erasing provincial characteristics points, according to multiple
The closed area that characteristic point is formed after being sequentially connected, it is determined that the border in erasing region, or be to wipe region with multiple characteristic points
The characteristic point of preset pattern, so that it is determined that the border in erasing region.Therefore, method provided in an embodiment of the present invention is calculating erasing
During zone boundary, according to the position coordinates of multiple erasing provincial characteristics point, the closed area formed after once connecting is calculated,
Calculate data volume few, and calculating process is simple.
The third aspect, the embodiment of the present invention provides a kind of Intelligent touch TV, including memory, processor and infrared touch-control
Component.
Memory is used for store program codes, and infrared touch control component includes that infrared touch frame, touch-control MCU and touch-control drive electricity
Road, wherein, infrared touch frame is arranged on the framework of display screen surrounding, and infrared transmitting tube and infrared is set on adjacent both sides
Reception pipe, situation about being blocked by sensing infrared signal realizes positioning；Touch drive circuit is used to drive infrared touch frame
The work of infrared transmitting tube and infrared receiving tube, and situation about being blocked according to infrared signal judges the infrared transmitting tube being blocked
And infrared receiving tube, the infrared transmitting tube being blocked and infrared receiving tube are converted into electronic signal and are sent to touch-control MCU, touch-control
MCU sends to processor treatment electronic signal；Touch-control MCU controls the work of touch drive circuit.
Processor receives the electronic signal of touch-control MCU transmissions, determine to be touched on display screen according to electronic signal or by
The position coordinates of pressure, the method that processor performs above-described embodiment offer according to the position location coordinate for obtaining, so as to realize showing
The selective erase of content in display screen.
Or, when the method for deleting that above-described embodiment is provided is performed, erasing provincial characteristics point position is obtained by touch-control MCU
Coordinate and execution time, and wipe zone boundary according to obtaining erasing provincial characteristics point position coordinates and performing Time Calculation.
MCU sends to processor the erasing zone boundary of calculating, is removed in the region of borders or outside region by processor control
Content.
Or, in the method for deleting that above-described embodiment is provided is performed, erasing provincial characteristics point position is obtained by touch-control MCU
Coordinate and execution time, then, characteristic point position coordinate and execution time are sent to processor, by processor according to acquisition
Erasing provincial characteristics point position coordinates and Time Calculation erasing zone boundary is performed, and removed in the region of borders or region
Outer content.
From above-described embodiment, the method that the application is provided is according to erasing provincial characteristics point position coordinates and erasing operation
The execution time, calculate the border in erasing region, and wipe the overseas content of flame range in the region of borders, data volume is few,
And calculating process is simple, the computing resource for taking processor is few, increases the calculating speed of processor, so as to can quickly wipe aobvious
Content in display screen, is not in wipe situation that is slow or postponing.For the user, user is without significantly moving
Make, motion track is slided out on a display screen, therefore, the action of user is reduced, improve the Experience Degree of user.
Those skilled in the art considering specification and practice here after disclosure of the invention, will readily occur to it is of the invention its
Its embodiment.The application is intended to any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture being described above and be shown in the drawings, and
And can without departing from the scope carry out various modifications and changes.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a kind of electronic writing method for deleting, it is characterised in that including：
Obtain the execution time of erasing provincial characteristics point position coordinates and erasing operation；
The border in erasing region is determined according to the erasing provincial characteristics point position coordinates and the execution time；
Remove in the erasing region of the borders or the overseas content of scratching area.
2. method according to claim 1, it is characterised in that according to the erasing provincial characteristics point position coordinates and described
The execution time determines the border in erasing region, including：
According to the execution time, the size of the characteristic value of the erasing region correspondence preset pattern is determined；
With center point coordinate or border point coordinates that the erasing provincial characteristics point position coordinates is the erasing region, according to institute
The size for stating characteristic value determines the border in erasing region.
3. method according to claim 2, it is characterised in that determine the characteristic value of the erasing region correspondence preset pattern
Size, including：
According to the execution time and corresponding length of default unit interval, the size of the characteristic value is determined.
4. method according to claim 2, it is characterised in that determine the characteristic value of the erasing region correspondence preset pattern
Size, including：
According to the execution time and Preset Time step-length, the step number of the characteristic value is determined；
According to the step number and the corresponding length of Preset Time step-length, the size of the characteristic value is determined.
5. method according to claim 2, it is characterised in that the characteristic value is erasing region correspondence preset pattern
The length of side, girth or area.
6. method according to claim 4, it is characterised in that according to the execution time and Preset Time step-length, really
The step number of the fixed characteristic value, including：
The ratio of the execution time and Preset Time step-length is calculated, and the ratio is rounded up or down is obtained integer
Ratio；
Determine the step number that the integer ratios are the characteristic value.
7. method according to claim 1, it is characterised in that except in the erasing region of the borders or erasing region
Outer content, including：
When the scope of erasing region borders increases with the increase of the execution time, then the erasing is removed
Content in region；Or,
When the scope of erasing region borders reduces with the increase of the execution time, then the erasing is removed
Content outside region.
8. method according to claim 1, it is characterised in that the border in erasing region is determined according to the execution time,
Including：
Judge the execution time whether more than or equal to default maximum execution time；
If, it is determined that display screen border is the border in the erasing region；
If it is not, then determining erasing zone boundary according to the execution time.
9. a kind of electronic writing method for deleting, it is characterised in that including：
Obtain erasing provincial characteristics point position coordinates；
The closed area to be formed is connected according to the erasing provincial characteristics point position coordinates, the border in the erasing region is determined；
Remove in the erasing region of the borders or the overseas content of scratching area.
10. a kind of Intelligent touch TV, it is characterised in that including：Memory, processor, display screen and infrared touch control component, its
In：
The memory, for store program codes；
The infrared touch control component, including infrared touch frame, touch-control MCU and touch drive circuit, wherein, the infrared touch frame
It is arranged on the display screen surrounding framework, the touch-control MCU is used to control the touch drive circuit, and the touch-control drives electricity
Road is used to drive infrared transmitting tube and infrared receiving tube in the infrared touch frame；
The processor, for performing the method as described in claim 1-9 is any, controls the wiping of content on the display screen
Remove.
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| CN201710028853.XA CN106909246B (en) | 2017-01-16 | 2017-01-16 | Electronic writing and erasing method and intelligent touch television |
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| CN201710028853.XA CN106909246B (en) | 2017-01-16 | 2017-01-16 | Electronic writing and erasing method and intelligent touch television |
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| US10551660B2 (en) | 2018-03-27 | 2020-02-04 | Iris Optronics Co., Ltd. | Cholesteric liquid crystal writing board |
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|---|---|
| CN106909246B (en) | 2020-03-13 |
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