CN102508568A - Switching method of relative coordinate and absolute coordinate - Google Patents
Switching method of relative coordinate and absolute coordinate Download PDFInfo
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- CN102508568A CN102508568A CN201110296710XA CN201110296710A CN102508568A CN 102508568 A CN102508568 A CN 102508568A CN 201110296710X A CN201110296710X A CN 201110296710XA CN 201110296710 A CN201110296710 A CN 201110296710A CN 102508568 A CN102508568 A CN 102508568A
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Abstract
The invention discloses a switching method of a relative coordinate and an absolute coordinate, which is applicable to various information processing terminals using a touch screen. The switching method comprises the following steps of receiving a user instruction by the touch screen, starting a corresponding application program and setting a system attribute variable; when the application program is started, judging whether the relative coordinate or the absolute coordinate is needed; if the relative coordinate is needed, assigning the system attribute variable to a relative coordinate mark value; if the absolute coordinate is needed, assigning the system attribute variable to an absolute coordinate mark value; and then, in a process of manipulating and operating the application program, assigning the system attribute variable in real time according to demands, so as to carry out corresponding switching on the relative coordinate and the absolute coordinate and realize the switching of a mouse function or a gesture function; when the application program is exited, setting the system attribute variable to be a default. The switching method of the relative coordinate and the absolute coordinate, provided by the invention, can be realized without dividing areas of the touch screen, so that better service is brought about to a user.
Description
Technical field
The present invention relates to communication technical field, the changing method of particularly a kind of relative coordinate and absolute coordinates.
Background technology
The existing information processing terminal as: mobile phone, panel computer, intelligent television etc. generally all have touch screen function.And touch-screen itself only provides absolute coordinates, and relative coordinate is not provided.
And in practical application, need on touch-screen, realize mouse function (relative coordinate) and gesture function (absolute coordinates) simultaneously.Therefore, after getting access to the absolute coordinates of touch-screen, needing to handle according to system requirements provides relative coordinate and absolute coordinates to realize mouse function and gesture function respectively.Present processing mode has two kinds:
1, touch-screen is divided into two zones: the absolute coordinates that obtains in a zone is directly given system as gesture function; The absolute coordinates that obtains in the another one zone converts relative coordinate into by driving and gives system as mouse function; Like number of patent application is " 200610169365 ", and name is called the disclosed technical scheme of patented claim of " input media and used the electronic equipment of this input media ".Its shortcoming is: divide the two kinds of functions in two zones and make exercisable area diminish, consider that in practical application the touch-screen area is all very little, the drawback of this mode appears undoubtedly especially.
Driving converted the absolute coordinates that obtains into the relative coordinate system that gives and realizes mouse function when 2, regulation singly referred to operate, and drove when two fingers are operated directly and gave system's realization gesture function with the absolute coordinates that gets access to.Its shortcoming is: though can region-widely operate, sacrificed and singly refer to gesture function, and referred to that singly gesture function is also very frequent in practical application: especially go up under a left side gesture such as the right side singly refer to more convenient to operate.
In view of this, a kind of new automatic switchover technology that can realize touch-screen relative coordinate and absolute coordinates need be provided.
Summary of the invention
In view of the weak point of above-mentioned prior art, the object of the present invention is to provide the changing method of a kind of relative coordinate and absolute coordinates, can't automatically switch with relative coordinate and absolute coordinates in the solution prior art, thereby bring the user to operate problems such as inconvenience.
In order to achieve the above object, the present invention has taked following technical scheme:
The changing method of a kind of relative coordinate and absolute coordinates is applicable to the information processing terminal that uses touch-screen, and wherein, said automatic switching method may further comprise the steps:
Touch screen and receive user instruction, start corresponding application, and the system property variable is set;
When said application program launching, judge that according to the mode of operation of using acquiescence using acquiescence uses relative coordinate or absolute coordinates; As to need relative coordinate then to give the system property variable assignments be the relative coordinate value of statistical indicant; Absolute coordinates is the absolute coordinates value of statistical indicant to the system property variable assignments then if desired;
In application program operation operational process, as required,,, realize the switching of mouse function or gesture function to carry out the switching of corresponding absolute coordinates and relative coordinate in real time to said system property variable assignments;
The changing method of described relative coordinate and absolute coordinates; Wherein, in application program operation operational process, as required; In real time to said system property variable assignments; To carry out the switching of corresponding absolute coordinates and relative coordinate, realize the switch step of mouse function or gesture function, specifically be:
Obtain user's touch operation in real time, in conjunction with using the current feature operation that possibly provide, real-time judge user's operation purpose, and according to user's operation purpose, to the system property variable assignments.
The changing method of described relative coordinate and absolute coordinates wherein, also comprises: in the said application program operation operational process, real time access system property variable if be the relative coordinate value of statistical indicant, then convert the absolute coordinates that reads into relative coordinate and returns; If the system property variable is the absolute coordinates value of statistical indicant, then directly return absolute coordinates.
The relative coordinate of described touch panel device and the changing method of absolute coordinates wherein, saidly convert the absolute coordinates that reads into relative coordinate and return step, and concrete steps comprise:
With first coordinate that touch-screen receives, promptly absolute coordinates is labeled as reference coordinate;
Second coordinate that touch-screen is received and said reference coordinate are subtracted each other and are obtained relative coordinate, and send to the window manager on upper strata;
Said second coordinate is updated to new reference coordinate.
The relative coordinate of described touch panel device and the changing method of absolute coordinates, wherein,
Open the mouse thread, this thread comprises real-time mouse event passage;
Catch user's operation;
According to the system property variable, be distributed to application program to user's operation.
The relative coordinate of described touch panel device and the changing method of absolute coordinates, wherein said according to the system property variable, be distributed to application program step implementation method to user operation and be:
Described system property variable is a relative coordinate, then uploads the distribution so that the realization cursor function that comes into force at last through the mouse event passage of operating system.
The relative coordinate of described touch panel device and the changing method of absolute coordinates, wherein said according to the system property variable, be distributed to application program step implementation method to user operation and be:
Described system property variable is that absolute coordinates is uploaded through the mouse event passage of operating system, the distribution so that the realization gesture function that comes into force at last.
The relative coordinate of described touch panel device and the changing method of absolute coordinates, wherein, the front and back absolute coordinates when obtaining the operating contact operation calculates the sliding distance of contact, and confirms the gesture operation parameter according to the size of distance.
The relative coordinate of described touch panel device and the changing method of absolute coordinates; Wherein, when obtaining the operation of two operating contacts the front and back absolute coordinates, through the absolute coordinates computing; Calculate the relative distance of two operating contacts, and operating parameter is confirmed in operation according to relative distance.
Described based on the relative coordinate of Android system and the changing method of absolute coordinates, wherein, the information processing terminal comprises: smart mobile phone, panel computer, intelligent television.
The automatic switching method of relative coordinate provided by the invention and absolute coordinates is applicable to the information processing terminal of various use touch-screens.At first, touch-screen receives user instruction, starts corresponding application, and the system property variable is set; During said application program launching, judgement needs relative coordinate or absolute coordinates; As to need relative coordinate then to give the system property variable assignments be the relative coordinate value of statistical indicant; Absolute coordinates is the absolute coordinates value of statistical indicant to the system property variable assignments then if desired; Then, in said application program operation operational process, as required; In real time to said system property variable assignments; To carry out the switching of corresponding absolute coordinates and relative coordinate, realize the switching of mouse function or gesture function, last; When application program withdrawed from, the system property variable used as default.Changing method based on relative coordinate and absolute coordinates provided by the invention can be realized without the divide touch screen zone, for the user has brought better service.
Description of drawings
Fig. 1 is the process flow diagram of the changing method of relative coordinate of the present invention and absolute coordinates.
Embodiment
The invention provides the changing method of relative coordinate and absolute coordinates, be applicable to the information processing terminal of various use touch-screens.For making the object of the invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example to further explain of the present invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, Fig. 1 is the process flow diagram of the changing method of relative coordinate of the present invention and absolute coordinates.As shown in the figure, described method may further comprise the steps:
S1, touch screen and receive user instruction, start corresponding application, and the system property variable is set;
S2, when said application program launching, judge that according to the mode of operation of using acquiescence using acquiescence uses relative coordinate or absolute coordinates; As to need relative coordinate then to give the system property variable assignments be the relative coordinate value of statistical indicant; Absolute coordinates is the absolute coordinates value of statistical indicant to the system property variable assignments then if desired;
S3, in application program operation operational process, as required, in real time to said system property variable assignments, to carry out the switching of corresponding absolute coordinates and relative coordinate, the switching of realization mouse function or gesture function;
S4, when application program withdraws from, the system property variable uses as default.
Specify to above-mentioned steps respectively below:
At first, in step S1,, start corresponding application, and the system property variable is set when touch-screen receives user instruction.Specifically, at first with finger or other object (such as electronic pen and so on) operating touch-screen, touch-screen is located the input of selection information according to the icon or the menu position of finger touch then, starts corresponding application or program function module.Touch-screen is generally formed by touching detection part and touch screen controller; Touch detection part and be installed in the display screen front, be used to detect user touch location, and position signalling is sent to touch screen controller; And the main effect of touch screen controller is to receive touch information from touch point detection device, and converts it to contact coordinate, gives CPU again, and its can receive simultaneously the order that CPU sends and carry out.
In addition; System property variable (as: rel_abs) is based on a cover mechanism of anonymous shared drive; Purpose is to provide the overall situation addressable interface: the property_set/property_get of system; A shared drive of opening up when its essence is exactly system start-up exists always, and the overall situation is addressable.
Then, in step S2, when said application program launching, judgement needs relative coordinate or absolute coordinates; As to need relative coordinate then to give the system property variable assignments be the relative coordinate value of statistical indicant; Absolute coordinates is the absolute coordinates value of statistical indicant to the system property variable assignments then if desired.Promptly according to self primary operating characteristic, judging needs relative coordinate or absolute coordinates.Wherein, what relative coordinate was represented is displacement, the amplitude of variation of position; And absolute coordinates is represented is the position, the absolute position, and for example: a certain moment is that the coordinate position of benchmark is an absolute coordinates with the screen upper left corner.When application program launching, select to the system variable assignment according to the needs of self, to realize function corresponding.
Further, the step S3 in application program operation operational process as required, in real time to said system property variable assignments, to carry out the switching of corresponding absolute coordinates and relative coordinate, realizes the switch step of mouse function or gesture function, specifically is:
Obtain user's touch operation in real time, in conjunction with using the current feature operation that possibly provide, real-time judge user's operation purpose, and according to user's operation purpose, to the system property variable assignments.
Mainstream operation system generally adopts the Getevent realization mechanism: in the incoming event thread (keyInputQueue) among the WindowManger endless loop is set, ceaselessly carries out the mouse action that obtains of getEvent.The functional module that the mouse event that also has the distribution be responsible for to get access among the WindowManger is given the current focus window.
Be exactly that coordinate figure returns to the incoming event formation through the getEvent function return value specifically, be distributed to current movable application program automatically by the incident dispatch thread again and realize corresponding mouse or gesture function.
Relative coordinate is converted by absolute coordinates, and the concrete steps that absolute coordinates converts relative coordinate into comprise: first coordinate that (1) receives touch-screen, and promptly absolute coordinates is labeled as reference coordinate; (2) second coordinate that touch-screen is received and said reference coordinate are subtracted each other and are obtained relative coordinate, and send to the window manager on upper strata; (3) said second coordinate is updated to new reference coordinate.
Specifically: if system property is a relative coordinate, this incident coordinate that then will receive is preserved earlier, and token-based quasi-coordinates flag is true; This coordinate does not report, when second incident coordinate received, if rel_abs also is a relative coordinate; Then deduct the reference coordinate of preserving just now, then obtain relative coordinate, report this relative coordinate with this coordinate; And with second coordinate renewal reference coordinate value just having received, by that analogy.
Further, in said application program operation operational process, can real time access system property variable rel_abs, if be the relative coordinate value of statistical indicant, then convert the absolute coordinates that reads into relative coordinate and return; If the system property variable is the absolute coordinates value of statistical indicant, then directly return absolute coordinates.Detect user's the touch operation and the operation purpose of judges in real time; As when the user refers to operation through two; Be judged as gesture operation, when one refers to operation, be judged as mouse action, further; One refers to that the camber line slide of operation is judged as rotary manipulation etc., and gives system property variable rel_abs assignment in real time.
Through relative coordinate, can realize mouse function, the realization of said mouse function is following: at first, open the mouse thread, this thread comprises real-time mouse event passage.Then, catch user's operation; According to the system property variable, be distributed to application program to user's operation again:, then upload the distribution so that the realization cursor function that comes into force at last if described system property variable is a relative coordinate through the mouse event passage of operating system.
Through absolute coordinates, can realize gesture function.The implementation procedure of itself and above-mentioned cursor function is roughly the same.The implementation method of said gesture function also is included as: open mouse thread (comprising real-time mouse event passage), catch user's operation; According to the system property variable, be distributed to application program to user's operation again, at this moment, described system property variable is an absolute coordinates, uploads the distribution so that the realization gesture function that comes into force at last again through the mouse event passage of operating system.Its specifically can for: obtain the operating contact front and back absolute coordinates in when operation, calculate the sliding distance of contact, and confirm the gesture operation parameter according to the size of distance.In addition, can also be when obtaining the operation of two operating contacts the front and back absolute coordinates, through the absolute coordinates computing, calculate the relative distance of two operating contacts, and operating parameter is confirmed in operation according to relative distance.
Give an example and get on very well, in the touch-screen control operation, when getting into some gesture classes application, often run into through two finger control amplifications and perhaps rotate, need to use absolute coordinates (gesture needs absolute coordinates).The for example amplification of picture, rotation etc., just so-called gesture is used; After upper layer application is taken two absolute coordinatess that refer to, the running orbit that record two refers to (each coordinate when promptly moving), calculate two distances between referring to then: | under the d|=radical sign (x1-x2) square+(y1-y2) square.If the distance between two fingers can judge then that increasing it is an amplifieroperation, carry out the picture enlarging function then, wherein, x, y are coordinate figure.
At last, the step S4 when withdrawing from application program, system property variable defaults.In concrete implementation procedure, no matter program is normally to withdraw from, and still withdraws from unusually, said system property variable defaults.In the common information processing terminal, under the default conditions of startup and shutdown, it all is a mouse function, and promptly the system property variable assignments is the relative coordinate value of statistical indicant.
Be that the said information processing terminal can comprise: smart mobile phone, panel computer, intelligent television etc. with being to be understood that.
In sum, the automatic switching method of relative coordinate provided by the invention and absolute coordinates is applicable to the information processing terminal of various use touch-screens.At first, touch screen and receive user instruction, start corresponding application, and the system property variable is set; When said application program launching, judge that according to the mode of operation of using acquiescence using acquiescence uses relative coordinate or absolute coordinates; As to need relative coordinate then to give the system property variable assignments be the relative coordinate value of statistical indicant; Absolute coordinates is the absolute coordinates value of statistical indicant to the system property variable assignments then if desired; Then, in application program operation operational process, as required; In real time to said system property variable assignments; To carry out the switching of corresponding absolute coordinates and relative coordinate, realize the switching of mouse function or gesture function, last; When application program withdrawed from, the system property variable used as default.Changing method based on relative coordinate and absolute coordinates provided by the invention can be realized without the divide touch screen zone, for the user has brought better service.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. the changing method of relative coordinate and absolute coordinates is applicable to the information processing terminal that uses touch-screen, it is characterized in that said automatic switching method may further comprise the steps:
Touch screen and receive user instruction, start corresponding application, and the system property variable is set;
When said application program launching, judge that according to the mode of operation of using acquiescence using acquiescence uses relative coordinate or absolute coordinates; As to need relative coordinate then to give the system property variable assignments be the relative coordinate value of statistical indicant; Absolute coordinates is the absolute coordinates value of statistical indicant to the system property variable assignments then if desired;
In application program operation operational process, as required,,, realize the switching of mouse function or gesture function to carry out the switching of corresponding absolute coordinates and relative coordinate in real time to said system property variable assignments;
When application program withdrawed from, the system property variable used as default.
2. the changing method of relative coordinate according to claim 1 and absolute coordinates; It is characterized in that, in application program operation operational process, as required; In real time to said system property variable assignments; To carry out the switching of corresponding absolute coordinates and relative coordinate, realize the switch step of mouse function or gesture function, specifically be:
Obtain user's touch operation in real time, in conjunction with using the current feature operation that possibly provide, real-time judge user's operation purpose, and according to user's operation purpose, to the system property variable assignments.
3. the changing method of relative coordinate according to claim 2 and absolute coordinates; It is characterized in that, also comprise: in the said application program operation operational process, real time access system property variable; If be the relative coordinate value of statistical indicant, then convert the absolute coordinates that reads into relative coordinate and return; If the system property variable is the absolute coordinates value of statistical indicant, then directly return absolute coordinates.
4. the changing method of the relative coordinate of touch panel device according to claim 3 and absolute coordinates is characterized in that, saidly converts the absolute coordinates that reads into relative coordinate and returns step, and concrete steps comprise:
With first coordinate that touch-screen receives, promptly absolute coordinates is labeled as reference coordinate;
Second coordinate that touch-screen is received and said reference coordinate are subtracted each other and are obtained relative coordinate, and send to the window manager on upper strata;
Said second coordinate is updated to new reference coordinate.
5. according to the relative coordinate of each described touch panel device of claim 1 to 4 and the changing method of absolute coordinates, it is characterized in that:
Open the mouse thread, this thread comprises real-time mouse event passage;
Catch user's operation;
According to the system property variable, be distributed to application program to user's operation.
6. the changing method of the relative coordinate of touch panel device according to claim 5 and absolute coordinates is characterized in that, and is said according to the system property variable, is distributed to application program step implementation method to user's operation to be:
Described system property variable is a relative coordinate, then uploads the distribution so that the realization cursor function that comes into force at last through the mouse event passage of operating system.
7. the changing method of the relative coordinate of touch panel device according to claim 5 and absolute coordinates is characterized in that, and is said according to the system property variable, is distributed to application program step implementation method to user's operation to be:
Described system property variable is that absolute coordinates is uploaded through the mouse event passage of operating system, the distribution so that the realization gesture function that comes into force at last.
8. the changing method of the relative coordinate of touch panel device according to claim 7 and absolute coordinates is characterized in that, the front and back absolute coordinates when obtaining the operating contact operation calculates the sliding distance of contact, and confirms the gesture operation parameter according to the size of distance.
9. the changing method of the relative coordinate of touch panel device according to claim 7 and absolute coordinates; It is characterized in that; When obtaining the operation of two operating contacts the front and back absolute coordinates; Through the absolute coordinates computing, calculate the relative distance of two operating contacts, and operating parameter is confirmed in operation according to relative distance.
10. each is described based on the relative coordinate of Android system and the changing method of absolute coordinates according to claim 6 to 9, it is characterized in that the information processing terminal comprises: smart mobile phone, panel computer, intelligent television.
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| CN102937868A (en) * | 2012-11-21 | 2013-02-20 | 东莞宇龙通信科技有限公司 | Terminal and method for adjusting sensitivity of touch key |
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| CN103389829A (en) * | 2013-07-29 | 2013-11-13 | 广东欧珀移动通信有限公司 | Method for switching between relative coordinate and absolute coordinate of touch screen terminal |
| CN103487066A (en) * | 2013-10-12 | 2014-01-01 | 惠州Tcl移动通信有限公司 | Intelligent equipment and safety driving method thereof |
| CN103500065A (en) * | 2013-09-27 | 2014-01-08 | 天津三星通信技术研究有限公司 | Coordinate transformation method and device based on mobile terminal and mobile terminal |
| US9628966B2 (en) | 2014-08-19 | 2017-04-18 | Xiaomi Inc. | Method and device for sending message |
| CN109407122A (en) * | 2018-12-06 | 2019-03-01 | 唐振民 | A kind of position location satellite is blocked the Global localization system under environment |
| CN109669558A (en) * | 2018-11-30 | 2019-04-23 | 苏州视泰克电子科技有限公司 | A kind of multi-mode key mouse module |
| CN109701265A (en) * | 2018-12-04 | 2019-05-03 | 上海达龙信息科技有限公司 | Remote desktop cursor mode switching method, system, client and remote server |
| CN111880682A (en) * | 2020-07-09 | 2020-11-03 | 天津津航计算技术研究所 | Calibration process-based touch screen serial port drive design method under vxworks system |
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| CN102937868A (en) * | 2012-11-21 | 2013-02-20 | 东莞宇龙通信科技有限公司 | Terminal and method for adjusting sensitivity of touch key |
| CN103164164A (en) * | 2013-04-10 | 2013-06-19 | 天津三星光电子有限公司 | Display control method of touch terminal application program and touch terminal thereof |
| CN103389829A (en) * | 2013-07-29 | 2013-11-13 | 广东欧珀移动通信有限公司 | Method for switching between relative coordinate and absolute coordinate of touch screen terminal |
| CN103500065A (en) * | 2013-09-27 | 2014-01-08 | 天津三星通信技术研究有限公司 | Coordinate transformation method and device based on mobile terminal and mobile terminal |
| CN103500065B (en) * | 2013-09-27 | 2016-06-08 | 天津三星通信技术研究有限公司 | For the coordinate transformation method of mobile terminal and device and mobile terminal |
| CN103487066A (en) * | 2013-10-12 | 2014-01-01 | 惠州Tcl移动通信有限公司 | Intelligent equipment and safety driving method thereof |
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| CN109669558A (en) * | 2018-11-30 | 2019-04-23 | 苏州视泰克电子科技有限公司 | A kind of multi-mode key mouse module |
| CN109701265A (en) * | 2018-12-04 | 2019-05-03 | 上海达龙信息科技有限公司 | Remote desktop cursor mode switching method, system, client and remote server |
| CN109407122A (en) * | 2018-12-06 | 2019-03-01 | 唐振民 | A kind of position location satellite is blocked the Global localization system under environment |
| CN111880682A (en) * | 2020-07-09 | 2020-11-03 | 天津津航计算技术研究所 | Calibration process-based touch screen serial port drive design method under vxworks system |
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Application publication date: 20120620 |