CN107885356A - A kind of multi-functional realization method and system of the touch pad based on projection - Google Patents
A kind of multi-functional realization method and system of the touch pad based on projection Download PDFInfo
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- CN107885356A CN107885356A CN201711104697.7A CN201711104697A CN107885356A CN 107885356 A CN107885356 A CN 107885356A CN 201711104697 A CN201711104697 A CN 201711104697A CN 107885356 A CN107885356 A CN 107885356A
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
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- User Interface Of Digital Computer (AREA)
Abstract
The invention provides a kind of multi-functional realization method and system of the touch pad based on projection, including identification of function algorithm and touch algorithm corresponding with multiple functions are set in touch pad in advance；The function selection instruction that user sends is received, function corresponding with function selection instruction is determined according to identification of function algorithm；Call and run touch algorithm corresponding with the function of determining, and functional image corresponding to the function of determination is projected to touch pad, so that touch pad realizes the function of determining.Preset function recognizer of the present invention touch algorithm corresponding with multiple functions, after function is determined according to identification of function algorithm, it can be called from touch algorithm corresponding with multiple functions and run touch algorithm corresponding with the function of determining, and functional image corresponding to the function of determination is projected to touch pad.It can be seen that the present invention realizes the switching of multiple functions on one piece of touch pad, reduces the expenditure of cost by calling and running touch algorithm corresponding to different functions.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of multi-functional implementation method of the touch pad based on projection
And system.
Background technology
With the development of shadow casting technique and touching technique, the touch pad that shadow casting technique and touching technique are combined to obtain obtains
Widely apply.Touch pad of the prior art is divided into the touch pad of difference in functionality, for example keyboard touch pad and mouse touch
Plate.But touch pad of the prior art can only realize that single function, such as keyboard touch pad can only realize keypad function,
Even if by mouse image projecting to keyboard touch pad, the keyboard touch pad can not realize mouse function.If realize more
Kind function, then need polylith touch pad, so as to add the expenditure of cost.
Therefore, how to provide a kind of scheme for solving above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
The content of the invention
It is an object of the invention to provide a kind of multi-functional realization method and system of the touch pad based on projection, pass through calling
And touch algorithm corresponding to different functions is run, the switching of multiple functions is realized on one piece of touch pad, so as to reduce
The expenditure of cost.
In order to solve the above technical problems, the invention provides a kind of multi-functional implementation method of the touch pad based on projection,
Including：
Identification of function algorithm and touch algorithm corresponding with multiple functions are set in touch pad in advance；
The function selection instruction that user sends is received, is determined and the function selection instruction according to the identification of function algorithm
Corresponding function；
Call and run the corresponding touch algorithm of function with determining, and by functional image corresponding to the function of determination
Projection is to the touch pad, so that the touch pad realizes the function of determining.
Preferably, projected in functional image corresponding to the function by determination to the touch pad, this method is also
Including：
Verify whether function corresponding to the functional image of projection and the function of determining are consistent, if not, projecting again
Functional image is to the touch pad corresponding to the function of determining.
Preferably, the identification of function algorithm is that multiple functions select correspondingly for default and multiple functions
The algorithm of the scope coordinate in region；
The then function selection instruction for receiving user and sending, determine to select with the function according to the identification of function algorithm
The process of function corresponding to selecting instruction is specially：
The scope coordinate for the function selecting area that user sends is received, is determined according to the identification of function algorithm with receiving
Scope coordinate corresponding to function.
Preferably, the function of the determination is mouse function；
Then the setting up procedure of touch algorithm is specially corresponding to the mouse function：
Set on the touch pad and the one-to-one multiple function keys of the function of multiple function keys of mouse
Scope coordinate.
Preferably, projected in functional image corresponding to the function by determination to the touch pad, this method is also
Including：
When the scope coordinate of each function key of the mouse received changes, calculate described after this time changing
Difference between the scope coordinate of each function key of the mouse before the scope coordinate of each function key of mouse and this time change
Coordinate；
Cursor is moved according to the difference coordinate, and updates the scope coordinate of each function key of the mouse；
According to the scope coordinate projection mouse image of each function key of the mouse of renewal to the touch pad.
Preferably, this method also includes：
When receiving the click coordinate of user's point touching screen, judge whether the click coordinate is located at the mouse
In the scope of the preset range coordinate of each function key of target, if it is, clicking on function key corresponding to the preset range coordinate.
Preferably, this method also includes：
When receiving two click coordinates in preset time, whether the distance between two described click coordinates are judged
Less than pre-determined distance, if it is, judging whether two click coordinates are respectively positioned on the default of each function key of the mouse
In the scope of scope coordinate, if it is, double-clicking function key corresponding to the preset range coordinate.
Preferably, the function of the determination is keypad function；
Then the setting up procedure of touch algorithm is specially corresponding to the keypad function：
The scope coordinate with the one-to-one M button of M kind keypress functions in keyboard is set on the touch pad, its
In, M is the integer more than 1.
Preferably, projected in functional image corresponding to the function by determination to the touch pad, this method is also
Including：
Obtain the image of the keyboard image of projection；
Described image is parsed, obtains the scope coordinate of M button in described image；
The scope of the first coordinate and default M button in the scope coordinate of M button of described image is calculated respectively
The error coordinate of the first coordinate in coordinate, accordingly obtain M error coordinate；
Judge whether the worst error coordinate in the M error coordinates is more than default error coordinate, if it is, according to
Keyboard image described in the worst error Coordinate Adjusting, and the image for performing the keyboard image for obtaining projection is returned, until described
Untill worst error coordinate is not more than the default error coordinate.
In order to solve the above technical problems, present invention also offers a kind of multi-functional realization system of touch pad based on projection
System, including：
Preset algorithm unit, for setting identification of function algorithm and touch corresponding with multiple functions in touch pad in advance
Algorithm；
Function determining unit, for receiving the function selection instruction of user's transmission, determined according to the identification of function algorithm
Function corresponding with the function selection instruction；
Function realizes unit, for calling and running touch algorithm corresponding with the function of determination, and by described in determination
Functional image corresponding to function is projected to the touch pad, so that the touch pad realizes the function of determining.
Set the invention provides a kind of multi-functional implementation method of the touch pad based on projection, including in advance in touch pad
Put identification of function algorithm and touch algorithm corresponding with multiple functions；The function selection instruction that user sends is received, according to function
Recognizer determines function corresponding with function selection instruction；Call and run touch algorithm corresponding with the function of determining, and
Functional image corresponding to the function of determination is projected to touch pad, so that touch pad realizes the function of determining.
Single function phase ratio can only be realized with touch pad of the prior art, the present invention pre-sets identification of function algorithm
Touch algorithm corresponding with multiple functions, can after in receive capabilities selection instruction and according to identification of function algorithm determining function
To call and run the corresponding touch algorithm of function with determining from touch algorithm corresponding with multiple functions, and by determination
Functional image corresponding to function is projected to touch pad.It can be seen that the present invention is by calling and running touch corresponding to different functions
Algorithm, the switching of multiple functions is realized on one piece of touch pad, so as to reduce the expenditure of cost.
Present invention also offers a kind of the multi-functional of the touch pad based on projection to realize system, has with above-mentioned implementation method
Identical beneficial effect.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to institute in prior art and embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of the multi-functional implementation method of the touch pad based on projection provided by the invention；
Fig. 2 is a kind of schematic diagram of the touch pad of projected keyboard image provided by the invention；
Fig. 3 is a kind of schematic diagram of the touch pad of projection mouse image provided by the invention；
Fig. 4 is a kind of multi-functional structural representation for realizing system of touch pad based on projection provided by the invention.
Embodiment
The core of the present invention is to provide a kind of multi-functional realization method and system of the touch pad based on projection, passes through calling
And touch algorithm corresponding to different functions is run, the switching of multiple functions is realized on one piece of touch pad, so as to reduce
The expenditure of cost.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is a kind of flow of the multi-functional implementation method of the touch pad based on projection provided by the invention
Figure, this method include：
Step S1：Identification of function algorithm and touch algorithm corresponding with multiple functions are set in touch pad in advance；
Firstly the need of explanation, pre-setting in the application each means what is set in advance, it is only necessary to set once,
Change unless needed for according to actual conditions, otherwise need not reset.
Specifically, in order that touch pad realizes the mutual switching of multiple functions, identification of function is set in touch pad in advance
Algorithm and touch algorithm corresponding with multiple functions, identification of function algorithm are the work(selected for determining user from multiple functions
The algorithm of energy, touch algorithm are the algorithm for realizing the function of user's selection.For example, user is needed on one piece of touch pad in fact
The switching of existing keypad function and mouse function, then should shift to an earlier date the touch of the touch algorithm that keyboard is set in the touch pad and mouse
What algorithm and identification user selected is the algorithm of which kind of function.
Step S2：The function selection instruction that user sends is received, is determined and function selection instruction according to identification of function algorithm
Corresponding function；
Specifically, the one-to-one function selection of the multiple functions of realizing with touch pad is included in identification of function algorithm to refer to
Order, when user selects any function in multiple functions, the function selection instruction of user's transmission can be received, then according to function
The one-to-one relationship of selection instruction and function, it can be allowed users to determining the function of user's selection according to individual demand
The selection and switching of difference in functionality are carried out, improves the experience effect of user.
Step S3：Call and run the corresponding touch algorithm of function with determining, and by function corresponding to the function of determination
Image projecting is to touch pad, so that touch pad realizes the function of determining.
Specifically, when it is determined that user selection function when, called from touch algorithm corresponding to multiple functions and run with
Touch algorithm corresponding to the function of determination, at the same time, functional image corresponding to the function of determination is projected to touch pad, now
Touch pad just can realize the function of determination.
If user prepares from keypad function to switch to mouse function, user can directly select mouse function, as
Particular by Digiplex selection function, still selection function, the application do not do special limit herein by other means at family
It is fixed, depending on actual conditions.Specifically, after the mouse instructions of user's transmission are received, known according to identification of function algorithm
Mouse function not corresponding with mouse instructions, touch algorithm corresponding to mouse function is then called from the touch algorithm of setting,
And by mouse image projecting to touch pad, it is achieved thereby that switching of the keypad function to mouse function.It can be seen that the present invention according to
The function of family selection calls touch algorithm accordingly so that the switching of multiple functions can be realized on one piece of touch pad, so as to
Reduce the expenditure of cost.
Set the invention provides a kind of multi-functional implementation method of the touch pad based on projection, including in advance in touch pad
Put identification of function algorithm and touch algorithm corresponding with multiple functions；The function selection instruction that user sends is received, according to function
Recognizer determines function corresponding with function selection instruction；Call and run touch algorithm corresponding with the function of determining, and
Functional image corresponding to the function of determination is projected to touch pad, so that touch pad realizes the function of determining.
Single function phase ratio can only be realized with touch pad of the prior art, the present invention pre-sets identification of function algorithm
Touch algorithm corresponding with multiple functions, can after in receive capabilities selection instruction and according to identification of function algorithm determining function
To call and run the corresponding touch algorithm of function with determining from touch algorithm corresponding with multiple functions, and by determination
Functional image corresponding to function is projected to touch pad.It can be seen that the present invention is by calling and running touch corresponding to different functions
Algorithm, the switching of multiple functions is realized on one piece of touch pad, so as to reduce the expenditure of cost.
On the basis of above-described embodiment：
As a kind of preferred embodiment, projected in functional image corresponding to the function by determination to touch pad, should
Method also includes：
Verify whether function corresponding to the functional image of projection and the function of determining are consistent, if not, projection determines again
Function corresponding to functional image to touch pad.
Specifically, projected in functional image corresponding to the function by determination to touch pad, the function of projection can be verified
Whether function corresponding to image is the function of determining, if it is, the functional image of explanation projection is that user is now required
Functional image；If it is not, then mistake occurs in explanation projection, functional image corresponding to the function of determination can be projected again to touch
Plate, it ensure that the normal use of user.
As a kind of preferred embodiment, identification of function algorithm is for default multiple work(correspondingly with multiple functions
The algorithm of the scope coordinate of energy selection region；
The function selection instruction that user sends then is received, is determined according to identification of function algorithm corresponding with function selection instruction
The process of function is specially：
The scope coordinate for the function selecting area that user sends is received, the model with receiving is determined according to identification of function algorithm
Sit around mark corresponding to function.
Here the definition for illustrating scope coordinate is projected with keyboard, refer to Fig. 2, Fig. 2 is one kind provided by the invention
The schematic diagram of the touch pad of projected keyboard image.
Specifically, touch pad has four angles, the respectively upper left corner, the lower left corner, the upper right corner, the lower right corner, with the upper left corner to the left
Direction of the direction of inferior horn extension as Y-axis, abbreviation y directions, the side of X-axis is used as using the upper left corner to the direction that the upper right corner extends
To abbreviation x directions, the upper left corner is as origin (0,0).The scope coordinate in one region can represent the scope in the region, with key
Exemplified by button Fn in disk projection, the coordinate that can obtain the button Fn upper left corner is (xfn, yfn), the button Fn lower right corner
Coordinate is (xfnmax, yfnmax), and the coordinate in the button Fn upper left corner and the coordinate in the lower right corner can represent button Fn scope,
Namely the scope coordinate that the coordinate in the button Fn upper left corner and the coordinate in the lower right corner are button Fn.Here x directions and y directions
Can be other directions, the scope coordinate of each button in keyboard can also change accordingly, as x directions of the present invention and y
How direction is specifically set, and the present invention is not particularly limited herein, depending on actual conditions.
It is understood that the region can be represented with the scope coordinate in region, and then represent the function in the region.Institute
It can be used for setting the scope with multiple functions multiple function selecting area correspondingly to sit in advance with, identification of function algorithm
Mark.Specifically, multiple function selecting area are set on a touchpad in advance, and each function selecting area has its corresponding scope
Coordinate, different function selecting area are unable to the overlapping phenomenon in region.Moreover, multiple function selecting area and multiple functions
Correspond, that is to say, that the scope coordinate of multiple function selecting area corresponds with multiple functions.
Then the process of the function of determination user selection is specially：When the scope for the function selecting area for receiving user's transmission
During coordinate, just it can determine that user selects according to the scope coordinate of multiple function selecting area and the one-to-one relationship of multiple functions
Function.
As a kind of preferred embodiment, it is determined that function be mouse function；
Then the setting up procedure of touch algorithm corresponding to mouse function is specially：
Scope coordinate with the function of multiple function keys of mouse multiple function keys correspondingly is set on a touchpad.
Specifically, when user selects mouse function, touch algorithm corresponding to mouse function should be called, i.e., on a touchpad
Function corresponding to the scope coordinate of multiple function keys and each function key of mouse of setting mouse, so that touch pad realizes mouse
Function.
As a kind of preferred embodiment, projected in functional image corresponding to the function by determination to touch pad, should
Method also includes：
When the scope coordinate of each function key of the mouse received changes, each of the mouse after this time changing is calculated
Difference coordinate between the scope coordinate of each function key of mouse before the scope coordinate of function key and this time change；
Cursor is moved according to difference coordinate, and updates the scope coordinate of each function key of mouse；
According to the scope coordinate projection mouse image of each function key of the mouse of renewal to touch pad.
Specifically, when user moves mouse, the scope coordinate of each function key for the mouse that can make to receive changes,
Now by the scope coordinate of each function key of this mouse after changing and the scope of each function key of the mouse before this change
It is poor that coordinate is made, can be to obtain the difference coordinate of the two.Cursor, the moving direction of this cursor are moved according to the difference coordinate of the two
The moving direction and movable length of user's movement mouse are represented with movable length, in addition, updating mouse according to the difference coordinate of the two
The scope coordinate of each function key of target, so as to the mouse according to renewal each function key scope coordinate by mouse image projecting extremely
Touch pad.
Another method of calculating difference coordinate is described below, refer to Fig. 3, Fig. 3 is a kind of projection provided by the invention
The schematic diagram of the touch pad of mouse image.
Specifically, when user move mouse when, the coordinate of user's finger can also change, accordingly it is also possible to according to
The front and rear coordinate calculating difference coordinate of family finger movement.For example, when setting touch algorithm corresponding to mouse function, can be by mouse
Mark is divided into left button, middle key and right button, and user can pass through forefinger, middle finger and nothing when using the touch pad of projection mouse image
Name refers to left button, middle key and the right button for controlling mouse one by one.When user touches the mouse projection on touch pad, can receive accordingly
The coordinate of three fingers sent to user, when user moves mouse, by taking the coordinate of middle finger as an example, the coordinate before middle finger movement
For (xr, yr), the coordinate after middle finger movement is (xr+dx, yr+dy), coordinate and the middle finger after movement of the middle finger before movement
The difference coordinate (dx, dy) of coordinate is required difference coordinate.The application can also calculate the difference coordinate of other fingers, this hair
It is bright not to be particularly limited herein, depending on actual conditions.
Certainly, which kind of method calculating difference coordinate is the application specifically select, and the present invention is not particularly limited herein, according to
Depending on actual conditions.
As a kind of preferred embodiment, this method also includes：
When receiving the click coordinate of user's point touching screen, judge whether click coordinate is located at each function key of mouse
Preset range coordinate scope in, if it is, click on preset range coordinate corresponding to function key.
Specifically, when user's point touching screen, the click coordinate of user's point touching screen can be received, judges that the click is sat
Whether mark is located in the scope of the scope coordinate of the preset in advance of each function key of mouse, if it is not, then explanation is unsatisfactory for clicking on
Condition, if it is, explanation meets click conditional, click on function key corresponding to preset range coordinate.
As a kind of preferred embodiment, this method also includes：
When receiving two click coordinates in preset time, judge whether the distance between two click coordinates are less than
Pre-determined distance, if it is, judging whether two click coordinates are respectively positioned on the model of the preset range coordinate of each function key of mouse
In enclosing, if it is, double-clicking function key corresponding to preset range coordinate.
Specifically, when user's point touching plate twice in succession within the time set in advance, judge that user is ordered twice
Fire whether the distance between click coordinate sent is less than the distance set in advance, be unsatisfactory for if it is not, then explanation is clicked on twice
Double-click condition, if it is, judging whether two click coordinates are respectively positioned on the model of the preset range coordinate of each function key of mouse
In enclosing, if it is not, then explanation is clicked on twice is unsatisfactory for double-click condition, if it is, explanation is clicked on twice meets double-click condition, it is double
Hit function key corresponding to preset range coordinate.
As a kind of preferred embodiment, it is determined that function be keypad function；
Then the setting up procedure of touch algorithm corresponding to keypad function is specially：
The scope coordinate with the one-to-one M button of M kind keypress functions in keyboard is set on a touchpad, wherein, M
For the integer more than 1.
Specifically, when user selects keypad function, touch algorithm corresponding to call keyboard function is answered, i.e., on a touchpad
Function corresponding to the scope coordinate and multiple buttons of multiple buttons in setting keyboard, so that touch pad realizes keypad function.
As a kind of preferred embodiment, projected in functional image corresponding to the function by determination to touch pad, should
Method also includes：
Obtain the image of the keyboard image of projection；
Image is parsed, obtains the scope coordinate of M button in image；
The scope coordinate of the first coordinate and default M button in the scope coordinate of M button of image is calculated respectively
In the first coordinate error coordinate, accordingly obtain M error coordinate；
Judge whether the worst error coordinate in M error coordinate is more than default error coordinate, if it is, according to maximum
Error Coordinate Adjusting keyboard image, and the image for performing the keyboard image for obtaining projection is returned, until worst error coordinate is little
Untill default error coordinate.
Scope coordinate in view of multiple buttons in the keyboard image of projection and multiple buttons in default keyboard
Scope coordinate may have error, obtain the image of the keyboard image of projection first and the image of acquisition is parsed, from
And the scope coordinate of multiple buttons in image is obtained, then first in the scope coordinate of multiple buttons of image is sat respectively
It is poor that mark is made with the first coordinate in the scope coordinate of default multiple buttons, accordingly obtains multiple error coordinates.
Multiple error coordinates are compared, can be to determine the worst error coordinate in multiple error coordinates, to sentence
Whether disconnected worst error coordinate is more than default error coordinate, if it is not, then explanation projection is normal, is thrown if it is, explanation is present
Shadow error, according to worst error Coordinate Adjusting keyboard image, and the step of performing the image for obtaining the keyboard image projected is returned to,
Untill worst error coordinate is not more than default error coordinate, so as to reduce projection error, each button in keyboard ensure that
Normal use.
Fig. 4 is refer to, Fig. 4 is a kind of multi-functional structure for realizing system of touch pad based on projection provided by the invention
Schematic diagram, the system include：
Preset algorithm unit 1, in advance in touch pad set identification of function algorithm and it is corresponding with multiple functions touch
Touch algorithm；
Function determining unit 2, for receiving the function selection instruction of user's transmission, according to the determination of identification of function algorithm and work(
Can function corresponding to selection instruction；
Function realizes unit 3, for calling and running the corresponding touch algorithm of function with determining, and by the function of determination
Corresponding functional image is projected to touch pad, so that touch pad realizes the function of determining.
The embodiment of system provided by the invention refer to above method embodiment, and the present invention will not be repeated here.
It should also be noted that, in this manual, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
- A kind of 1. multi-functional implementation method of the touch pad based on projection, it is characterised in that including：Identification of function algorithm and touch algorithm corresponding with multiple functions are set in touch pad in advance；The function selection instruction that user sends is received, is determined according to the identification of function algorithm corresponding with the function selection instruction Function；Call and run touch algorithm corresponding with the function of determining, and functional image corresponding to the function of determination is projected To the touch pad, so that the touch pad realizes the function of determining.
- 2. the method as described in claim 1, it is characterised in that functional image corresponding to the function by determination project to After the touch pad, this method also includes：Verify whether function corresponding to the functional image of projection and the function of determining are consistent, if not, projection determines again The function corresponding to functional image to the touch pad.
- 3. the method as described in claim 1, it is characterised in that the identification of function algorithm is for default and multiple work( The algorithm of the scope coordinate of the one-to-one multiple function selecting area of energy；The then function selection instruction for receiving user and sending, determine to refer to function selection according to the identification of function algorithm The process of function corresponding to order is specially：The scope coordinate for the function selecting area that user sends is received, the model with receiving is determined according to the identification of function algorithm Sit around mark corresponding to function.
- 4. method as claimed in claim 3, it is characterised in that the function of the determination is mouse function；Then the setting up procedure of touch algorithm is specially corresponding to the mouse function：Scope with the one-to-one multiple function keys of the function of multiple function keys of mouse is set on the touch pad Coordinate.
- 5. method as claimed in claim 4, it is characterised in that functional image corresponding to the function by determination project to After the touch pad, this method also includes：When the scope coordinate of each function key of the mouse received changes, the mouse after this time changing is calculated Each function key scope coordinate and this time change before the mouse each function key scope coordinate between difference coordinate；Cursor is moved according to the difference coordinate, and updates the scope coordinate of each function key of the mouse；According to the scope coordinate projection mouse image of each function key of the mouse of renewal to the touch pad.
- 6. method as claimed in claim 5, it is characterised in that this method also includes：When receiving the click coordinate of user's point touching screen, judge the click coordinate whether positioned at the mouse In the scope of the preset range coordinate of each function key, if it is, clicking on function key corresponding to the preset range coordinate.
- 7. method as claimed in claim 5, it is characterised in that this method also includes：When receiving two click coordinates in preset time, judge whether the distance between two described click coordinates are less than Pre-determined distance, if it is, judging whether two click coordinates are respectively positioned on the preset range of each function key of the mouse In the scope of coordinate, if it is, double-clicking function key corresponding to the preset range coordinate.
- 8. the method as described in claim 1, it is characterised in that the function of the determination is keypad function；Then the setting up procedure of touch algorithm is specially corresponding to the keypad function：The scope coordinate with the one-to-one M button of M kind keypress functions in keyboard is set on the touch pad, wherein, M For the integer more than 1.
- 9. method as claimed in claim 8, it is characterised in that functional image corresponding to the function by determination project to After the touch pad, this method also includes：Obtain the image of the keyboard image of projection；Described image is parsed, obtains the scope coordinate of M button in described image；The scope coordinate of the first coordinate and default M button in the scope coordinate of M button of described image is calculated respectively In the first coordinate error coordinate, accordingly obtain M error coordinate；Judge whether the worst error coordinate in the M error coordinates is more than default error coordinate, if it is, according to described Keyboard image described in worst error Coordinate Adjusting, and the image for performing the keyboard image for obtaining projection is returned, until the maximum Untill error coordinate is not more than the default error coordinate.
- 10. a kind of the multi-functional of the touch pad based on projection realizes system, it is characterised in that including：Preset algorithm unit, for setting identification of function algorithm and touch corresponding with multiple functions to calculate in touch pad in advance Method；Function determining unit, for receiving the function selection instruction of user's transmission, according to identification of function algorithm determination and institute State function corresponding to function selection instruction；Function realizes unit, for calling and running the corresponding touch algorithm of function with determining, and by the function of determination Corresponding functional image is projected to the touch pad, so that the touch pad realizes the function of determining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104697.7A CN107885356A (en) | 2017-11-10 | 2017-11-10 | A kind of multi-functional realization method and system of the touch pad based on projection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711104697.7A CN107885356A (en) | 2017-11-10 | 2017-11-10 | A kind of multi-functional realization method and system of the touch pad based on projection |
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| CN107885356A true CN107885356A (en) | 2018-04-06 |
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ID=61780024
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|---|---|---|---|
| CN201711104697.7A Pending CN107885356A (en) | 2017-11-10 | 2017-11-10 | A kind of multi-functional realization method and system of the touch pad based on projection |
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|---|---|
| CN (1) | CN107885356A (en) |
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Application publication date: 20180406 |