CN102662510B - The method realizing sectional drawing by multiple point touching - Google Patents
The method realizing sectional drawing by multiple point touching Download PDFInfo
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Abstract
Description
Technical field
The invention belongs to computer, software technology field.
Technical background
At present, the terminal unit application being provided with touch screen is universal, such as, has the mobile phone of touch screen, panel computer, notebook computer, desktop computer, or personal digital assistant, etc..
On the other hand, during the equipment of people application terminal, by the way of screenshot capture, after the beginning and end that located sectional drawing, it is possible to carry out sectional drawing process；Or, by the way of screenshot area border, location, carry out shot operation.
The occasion of currently used sectional drawing, most shot operation, it is all to guide light target by Genius mouse to move, thus constitutes screenshot area.
Utilizing touch screen when carrying out shot operation, operation is moved in the position being directed to touch screen, usually can be mistaken for the background content at user's sectional drawing to be moved place, brings the biggest inconvenience thus to the operation of user.
Summary of the invention
The purpose of the present invention, is to provide a kind of method realizing sectional drawing by multiple point touching, utilizes the present invention, it is possible to by the way of multiple point touching, advantageously realize shot operation.
A kind of method realizing sectional drawing by multiple point touching, it comprises the following steps that
Step 1, under sectional drawing state, gathers the position, touch point obtained by touch screen；
Step 2, is directed to two touch points, using the two touch point as the diagonal end points of sectional drawing rectangular extent, determines sectional drawing scope；
Or, it is directed to three or the touch point of more than three, selects two touch points wherein with ultimate range, as cornerwise end points of sectional drawing rectangular extent；
Or, it being directed to three or more than three touch points, select the position of all touch points, the rectangular in form parallel relative to place touch screen edge, structure includes the minimum rectangle scope of aforementioned all touch points, as being gathered the sectional drawing scope obtained；
Step 3, is directed to the sectional drawing scope that preceding step is obtained, and carries out shot operation on corresponding window context.
Further, under sectional drawing state, when two touch points of collection acquisition carry out the operation information inputted, two touch points that will be obtained, as the cornerwise end points of screenshot area scope, and by the regional extent of this sectional drawing, be taken as rectangular configuration, and the edge of the touch screen at the edge of this rectangular configuration and place is parallel or vertical.
Further, under sectional drawing state, when the touch point that collection obtains reaches three or more than three, its process step is,
Gather the data of each touch point；
Between each touch point, carry out line, and obtain the length of this line；
Being compared by the wire length of acquisition, then obtain corresponding to line two touch points that length is maximum, as cornerwise two end points of screenshot area rectangle, and the edge of the edge of this rectangular area and place touch screen is parallel or vertical.
Further, under sectional drawing state, when the touch point that collection obtains reaches three or more than three, its process step is,
When being set by finger to operate touch screen, by touch point produced between specific two fingers, as cornerwise end points of sectional drawing rectangular area；
Gather by finger prick for the input information of touch screen, according to touch point existence on the touchscreen, when reaching three or more than three in touch point, it is determined that the finger corresponding to each touch point；
By meeting the touch point corresponding to the finger of sectional drawing rectangle diagonal decision condition, as the cornerwise end points in sectional drawing rectangular area, obtain sectional drawing rectangular area.
Further, under sectional drawing state, when the touch point that collection obtains reaches three or more than three, its process step is,
Gather under sectional drawing state, each touch point obtained by rectangular touch screen；
Then, it is directed to rectangular touch screen, obtain the point near left side edge, the point near upper side edge portion, the point near right side edge, the point near downside edge, then cross the work of putting near left side edge and be parallel to the parallel lines of left side edge, cross the point near upper side edge portion, make to be parallel to the parallel lines of upper side edge portion, cross the point near right side edge, make to be parallel to the parallel lines of right side edge, cross the point near downside edge, make to be parallel to the parallel lines of downside edge；
The rectangular area crossed by four lines obtained, as the rectangular area of sectional drawing.
Further, it is directed to obtained screenshot area, adjustment state is set, under adjustment state, the boundary line of described screenshot area or end points be can editing mode, can be under editing mode at this, it is possible to the touch operation information gathering user carries out the mobile operation of position, touch operation information therein, including single-touch and/or multiple point touching.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for the invention.
Detailed description of the invention
In the present invention, shot operation is advantageously realized by the structure of touch screen.During carrying out shot operation, it is possible to gather the operation information of multiple point touching, as the location information in region selected during screenshot capture.
Shown in ginseng Fig. 1, method described in the invention, comprise the following steps that
Step S110, under sectional drawing state, gathers the position, touch point obtained by touch screen；
Step S120, is directed to two touch points, using the two touch point as the diagonal end points of sectional drawing rectangular extent, determines sectional drawing scope；
Or, it is directed to three and more than three touch points, selects two touch points wherein with ultimate range, as cornerwise end points of sectional drawing rectangular extent；
Or, it being directed to three or the touch point of more than three, select the position of all touch points, then parallel relative to place touch screen edge rectangular in form, structure includes the minimum rectangle scope of aforementioned all touch points, as being gathered the sectional drawing scope obtained；
Step S130, is directed to the sectional drawing scope that preceding step is obtained, and carries out shot operation on corresponding window context.
It is directed to aforesaid step S110, is described as follows:
In this step, when being in screenshot capture, it is directed to screenshot capture and obtains the area information needing sectional drawing.In the case of the area information of sectional drawing, carrying out screenshot capture is ripe application scheme.
In this step, under sectional drawing state, by the application programming interfaces AIP function relevant with touch screen, obtain user's touch operation positional information by touch screen, the particularly operation information of multiple point touching.
In the present invention, under sectional drawing state, gather the touch point positional information during operation of user's multiple point touching by touch screen, be used as the location information in next step screenshot capture region.
It is directed to aforesaid step S120, is described as follows:
After entering sectional drawing state, gather user by the present invention and be directed to the multiple point touching information of touch screen.Wherein, multiple point touching information, after input, has the most several processing mode:
(1) when gathering two touch points of acquisition and carrying out the operation information inputted, two touch points that will be obtained, as the cornerwise end points of screenshot area scope, and by the regional extent of this sectional drawing, it is taken as rectangular configuration, and the edge of the touch screen at the edge of this rectangular configuration and place is parallel or vertical.By aforesaid two end points, as cornerwise end points of this rectangular area.According to the feature of rectangular configuration, after obtaining cornerwise endpoint location, it is possible to according to another diagonal and this cornerwise symmetry, it is thus achieved that two diagonal, and then cornerwise end points is carried out line, it is possible to obtain the rectangular area of whole sectional drawing.
During operating, can advantageously change size and the position of rectangle according to the change in location between two touch points.
(2) when gathering the touch point obtained and reaching three or more than three, its processing scheme is:
Gather the data of each touch point；
Between each touch point, carry out line, and obtain the length of this line；
Being compared by the wire length of acquisition, then obtain corresponding to line two touch points that length is maximum, as cornerwise two end points of screenshot area rectangle, and the edge of the edge of this rectangular area and place touch screen is parallel or vertical.
By means of which, it is possible to when user carries out input operation with the touch point of 3 or more than 3, using maximum two touch points of spacing as cornerwise two end points of screenshot area rectangle.
(3) when gathering the touch point obtained and reaching three or more than three, it is also possible to be implemented:
When being set by finger to operate touch screen, by touch point produced between specific two fingers, as cornerwise end points of sectional drawing rectangular area；
Gather by finger prick for the input information of touch screen, according to touch point existence on the touchscreen, when reaching three or more than three in touch point, it is determined that the finger corresponding to each touch point；
By meeting the touch point corresponding to the finger of sectional drawing rectangle diagonal decision condition, as the cornerwise end points in sectional drawing rectangular area, obtain sectional drawing rectangular area.
For example, the touch point corresponding to thumb and forefinger two finger can be set, as cornerwise end points of sectional drawing rectangular area.During this finger corresponding to judgement touch point, can be judged by the layout type of finger.This is because, these five fingers of the thumb of the mankind, forefinger, middle finger, the third finger, little finger, there iing different layout type on hand.Then, the position of the touch point obtained will be gathered, and the layout pattern of these five fingers is compared respectively, thus judge the finger type corresponding to touch point.
(4) when gathering the touch area obtained and reaching three or more than three, select the position of all touch points, then parallel relative to place touch screen edge rectangular in form, structure includes the minimum rectangle scope of aforementioned all touch points, as being gathered the sectional drawing scope obtained.Particularly, can be implemented:
Gather under sectional drawing state, each touch point obtained by rectangular touch screen；
Then, it is directed to rectangular touch screen, obtain the point near left side edge, the point near upper side edge portion, the point near right side edge, the point near downside edge, then cross the work of putting near left side edge and be parallel to the parallel lines of left side edge, cross the point near upper side edge portion, make to be parallel to the parallel lines of upper side edge portion, cross the point near right side edge, make to be parallel to the parallel lines of right side edge, cross the point near downside edge, make to be parallel to the parallel lines of downside edge；
The rectangular area crossed by four lines obtained, as the rectangular area of sectional drawing.
The region obtained by aforementioned manner, be can cross each touch point, edge is parallel to the minimum rectangular area of place rectangular touch screen, directly can be mediated by the position of touch point by user in this rectangular area, be also the way of realization of good multiple point touching sectional drawing.
It is directed to aforesaid step S130, is described as follows:
User by the way of multiple point touching, can persistently adjust the scope of screenshot area, terminates until adjusting operation.Further, under adjustment state, the boundary line of described screenshot area or end points, it is also possible to be set to can editing mode, can be under editing mode at this, it is possible to the touch operation information gathering user carries out the mobile operation of position；Touch operation information therein, including single-touch and/or the touch operation information of multiple point touching.It is to say, aforesaid can be under editing mode, against boundary line or the end points of screenshot area, it is also possible to by the touch manner of single-point, gather the touch shift information of user, move boundary line or the end points of screenshot area.
After screenshot area adjusts, it is possible to be directed to the image in the form corresponding to screenshot area, carry out shot operation.The sectional drawing obtained both can store on the terminal unit at place, it is also possible to by the terminal unit at place, carries out data transmission via the network at place, and the operation such as data sharing.And described terminal unit, refer to the various terminal unit that can accept multiple point touching operation, particularly relate to that there is the mobile phone of touch screen, panel computer, notebook computer, desktop computer, or personal digital assistant, game machine, digital camera etc., do not limit.
Being above the description of this invention and non-limiting, other any embodiment based on inventive concept, the most all among protection scope of the present invention.
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| CN201210081633.0A CN102662510B (en) | 2012-03-24 | 2012-03-24 | The method realizing sectional drawing by multiple point touching |
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