CN104423854A - Method and device for processing information on touch screen - Google Patents
Method and device for processing information on touch screen Download PDFInfo
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- CN104423854A CN104423854A CN201310373121.6A CN201310373121A CN104423854A CN 104423854 A CN104423854 A CN 104423854A CN 201310373121 A CN201310373121 A CN 201310373121A CN 104423854 A CN104423854 A CN 104423854A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
Abstract
The invention discloses a method for processing information on a touch screen. By the method, electronic equipment with the touch screen can better identify and execute a touch instruction of a user. Furthermore, the invention also provides a device for processing the information on the touch screen. The device adopts the method for processing the information on the touch screen and is applied to the electronic equipment with the touch screen, so that the electronic equipment can better identify and execute the touch instruction of the user.
Description
Technical field
The present invention relates to electronic equipment, refer to a kind of contact screen information disposal route and device thereof especially.
Background technology
Along with touch-screen is applied more and more extensive in the mobile devices such as mobile phone, also the control gear having increasing product to adopt touch-screen in electronic applications to be used as in electronic equipment, in the appliance and electronics such as computer, big machinery, teaching equipment, touch-screen also uses more and more widely.
Electronic whiteboard is that the field such as nowadays to impart knowledge to students uses a kind of electronic product more and more widely, along with touch-screen is also applied to projection screen gradually in its evolution, makes teacher pass through touch-control on the screen of electronic whiteboard and can realize corresponding operation.
Because touch-screen has higher sensitivity relative to button, carrying out selecting, delete, when the operation such as page turning, adopt touch-screen to replace button if simple, being then easy to the operation occurring producing mistake because of touching touch-screen unintentionally, affecting people and normally using.
Summary of the invention
In view of this, the object of the invention is to propose a kind of contact screen information disposal route, comprise the steps: the touching signals that detection user is sent by touch-screen; According to the path corresponding to the touch command preset, the touch command corresponding to touching signals is judged; Described touch command comprises page-turning instruction, selection instruction, delete instruction; Path wherein corresponding to page-turning instruction is arrow, and the path corresponding to selection instruction is hook-shaped lines, and the path corresponding to delete instruction is coating lines; Perform the operation corresponding to and instruction.
Optionally, before performing the operation corresponding to and instruction, judge whether described touching signals covers an existing object on touch-screen, if do not cover existing object, be then judged as that lines draw instruction.
Optionally, described coating lines comprise zigzag coating lines or enclose painting lines or irregular coating lines.
Optionally, if the path corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, judge the direction of page turning further according to the angle of arrow instruction.
Optionally, if be as the criterion with the coordinate system preset, the arrow corresponding to touching signals and coordinate x-axis forward angle are more than or equal to ﹢ 45 °, are less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described arrow and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described arrow and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described arrow and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis negative sense.
Optionally, when judging the instruction corresponding to touching signals, perform following steps: the turning point number calculating touching signals, if turning point number is 1, then enters next step; Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point; Judge whether above-mentioned two distance values obtained are greater than the page turning Distance l imit of setting respectively, if so, then enter next step; Obtain the ratio of the spacing of turning point and terminating point described in Distance geometry between described starting point and turning point; If above-mentioned ratio is greater than the arrow ratio limit value of a setting, then judge that the instruction corresponding to touching signals is page-turning instruction.
Optionally, when the turning point number of calculating touching signals is 1, if judge to there is existing object in the indicating range centered by turning point further, then judge that the instruction corresponding to this touching signals is that lines draw instruction.
Optionally, if the path corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, perform following steps further: the path starting point corresponding to touching signals and turning point are carried out line; If be as the criterion with the coordinate set on the touchscreen in advance, the angle of described line and described coordinate x-axis forward is more than or equal to ﹢ 45 °, is less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described line and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described line and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described line and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis negative sense.
Optionally, when judging the instruction corresponding to touching signals, perform following steps: the intersection point number calculating touching signals, if intersection point number is 1, then enters next step; Obtain the distance between path starting point corresponding to touching signals and intersection point, and obtain the distance between intersection point and described Path Terminator point; Judge that whether two distances obtained are to being in respectively in the chosen distance limits of setting, if so, then perform next step; To obtain between starting point and intersection point distance difference between Distance geometry intersection point and terminating point; If judge, described distance difference is in the chosen distance difference limits of setting, then judge that the instruction lines that the touching signals that receives is corresponding draw instruction; Otherwise, perform next step; Obtain the area of touching signals path outsourcing rectangle frame; If this area is in the selection area limits of setting, then judge that the instruction that the touching signals that receives is corresponding is that lines draw instruction; If not, then judge it is selection instruction.
Optionally, when judging the instruction corresponding to touching signals, the path corresponding to touching signals being divided into two groups of lines, being calculated the number of hits of touching signals by the number of hits calculating lines.
Optionally, when the instruction corresponding to touching signals is judged, perform following steps: obtain the path total length corresponding to touching signals; Obtain the length of the path outsourcing rectangle frame corresponding to touching signals; Obtain the ratio of described path total length and described outsourcing rectangle frame length; Judge the ratio of previous step, if this ratio is within the scope of the deletion ratio limits of setting, then judge that described touching signals is delete instruction.
Optionally, described deletion ratio limits is 3:1, or 4:1, or 5:1, or 6:1.
Optionally, described touch command also comprises non-selection instruction.
Optionally, when instruction corresponding to touching signals is judged, perform following steps: calculate the length of path outsourcing rectangle frame corresponding to touching signals and the product of width, if product is less than the non-selection limit value of setting, then judge that this instruction is non-selection instruction.
Optionally, after being judged as non-selection instruction, perform the operation cancelled and selecting.
Further, the invention provides a kind of contact screen information treating apparatus, comprise data detection module, data computing module, execution module; This device, when identifying touching signals, performs following steps: data detection module detects the touching signals that user is sent by touch-screen; The path of data computing module corresponding to the touch command preset, judges the instruction corresponding to touching signals; Execution module performs the operation corresponding to and instruction; Described touch command comprises page-turning instruction, selection instruction, delete instruction; Path wherein corresponding to page-turning instruction is arrow, and the path corresponding to selection instruction is hook-shaped lines, and the path corresponding to delete instruction is coating lines.
Optionally, also data recordin module is comprised; Before described execution module performs the operation corresponding to and instruction, according to the information of data recordin module record, data computing module judges whether described touching signals covers an existing object on touch-screen, if do not cover existing object, then data computing module judges that the instruction corresponding to touching signals is that lines draw instruction.
Optionally, described coating lines comprise zigzag coating lines or enclose painting lines or irregular coating lines.
Optionally, angle judge module is also comprised; If the path of data computing module corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, decision instruction is sent to angle judge module, angle judge module judges the angle that arrow indicates further and angle value is sent to data computation module, and data computing module judges the direction of page turning according to this angle value.
Optionally, be as the criterion with the coordinate system preset, if the arrow corresponding to touching signals and coordinate x-axis forward angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described arrow and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described arrow and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described arrow and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis negative sense.
Optionally, when judging the instruction corresponding to touching signals, data computing module performs following steps: the turning point number calculating touching signals, if turning point number is 1, then enters next step; Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point; Judge whether above-mentioned two distance values obtained are greater than the page turning Distance l imit of setting respectively, if so, then enter next step; Obtain the ratio of the spacing of turning point and terminating point described in Distance geometry between described starting point and turning point; If above-mentioned ratio is greater than the arrow ratio limit value of a setting, then judge that the instruction corresponding to touching signals is page-turning instruction.
Optionally, also data recordin module is comprised; When the turning point number of calculating touching signals is 1, if data computing module judges to there is existing object in the indicating range centered by turning point further according to the recorded information of data recordin module, then judge that the instruction corresponding to this touching signals is that lines draw instruction.
Optionally, angle judge module is also comprised; If the path of data computing module corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, further execution following steps: the path starting point corresponding to touching signals and turning point are carried out line, and sends decision instruction to angle judge module; Angle judge module is as the criterion with the coordinate set on the touchscreen in advance, judges the angle value of described line, and angle value is sent to data computing module; If the angle of described line and described coordinate x-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described line and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described line and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described line and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis negative sense.
Optionally, data computing module, when judging the instruction corresponding to touching signals, performs following steps: the intersection point number calculating touching signals, if intersection point number is 1, then enters next step; Obtain the distance between path starting point corresponding to touching signals and intersection point, and obtain the distance between intersection point and described Path Terminator point; Judge that whether two distances obtained are to being in respectively in the chosen distance limits of setting, if so, then perform next step; To obtain between starting point and intersection point distance difference between Distance geometry intersection point and terminating point; If judge, described distance difference is in the chosen distance difference limits of setting, then judge that the touch command received is that lines draw instruction; Otherwise, perform next step; Obtain the area of touching signals path outsourcing rectangle frame; If this area is in the selection area limits of setting, then judge that the instruction corresponding to touching signals received is that lines draw instruction; If not, then judge it is selection instruction.
Optionally, when data computing module judges the instruction corresponding to touching signals, perform following steps:
Calculate the turning point number of touching signals, if turning point number is not 1, then enter next step; Obtain the path total length corresponding to touching signals; Obtain the length of the path outsourcing rectangle frame corresponding to touching signals; Obtain the ratio of described path total length and described outsourcing rectangle frame length; Judge the ratio of previous step, if this ratio is within the scope of the deletion ratio limits of setting, then judge that described touching signals is delete instruction.
Optionally, described deletion ratio limits is 3:1, or 4:1, or 5:1, or 6:1.
As can be seen from above, contact screen information disposal route provided by the invention, the touching signals lines that setting page-turning instruction is corresponding are arrow, also set the judgment mode of the touching signals corresponding to operation such as selection, deletion simultaneously, have very high accuracy to the judgement of user instruction.And the set symbol of criterion closes the use habit of population, user has not needed loaded down with trivial details operation when applying these instructions by touch-screen yet, avoiding producing because user touches touch-screen does not unintentionally need or the operation of mistake, has very high practicality.The embodiment of the present invention can realize current file and carry out page turning along different directions, thus the All Files object implementatio8 page turning that substantially can use user.The contact screen information disposal route that the embodiment of the present invention provides, makes user apply selection, delete instruction to touch-screen exactly, avoids deleting mistakenly.
In addition, contact screen information treating apparatus provided by the invention, comprise the parts such as data detection module, angle judge module, data computing module, time block, effectively can distinguish touch informations such as page turning, selection, deletions, avoid these instructions mutually to obscure and the operation led to errors.The contact screen information treating apparatus of the embodiment of the present invention can preferably be applied to the electronic equipment that electronic whiteboard etc. has larger touch-screen, lines corresponding to its instruction meet people's routine work and habits and customs, make user easily send corresponding instruction by touch-screen easily when using touch-screen.Meanwhile, the contact screen information treating apparatus of the embodiment of the present invention, can realize the page turn over operation of different directions, can be suitable for more eurypalynous document.In addition, except setting special page-turning instruction lines, the contact screen information treating apparatus of the embodiment of the present invention also sets the touch information lines corresponding to selecting and deleting respectively, avoids user touch touch-screen unintentionally and select with leading to errors or delete.
Accompanying drawing explanation
Fig. 1 is the contact screen information process flow schematic diagram of the embodiment of the present invention;
The arrow scheme of Fig. 2 corresponding to the page-turning instruction of the embodiment of the present invention;
Fig. 3 A-C is the delete instruction corresponding coating lines schematic diagram of the embodiment of the present invention;
Fig. 4 is the contact screen information processing module structural representation of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Contact screen information disposal route provided by the present invention and module thereof, can apply the electronic equipment that the electronic equipment, particularly electronic whiteboard etc. that possess touch-screen with mobile phone, panel computer, electronic whiteboard etc. have large-scale touch-screen.People can often use these electronic equipments to carry out consulting, editing some file, file made by microsoft software, suffix are the document files etc. of txt, people are when viewing or editing, often need to slide or click specific region on the touchscreen and carry out page turning, particularly when teacher uses electronic whiteboard to impart knowledge to students, need to use other instrument of hand to slide to produce page-turning instruction on screen.When drawing or edit, need to select certain object and delete.Contact screen information disposal route provided by the present invention, making user when using electronic equipment to realize the functions such as page turning, selection or deletion, can not produce order confusion, the operation that also can not lead to errors because being not intended to touching touch-screen.The method comprises the steps: on the whole
Step 1: the touching signals that user is sent by touch-screen detected.
Step 2: according to the path corresponding to the touch command preset, judges the instruction corresponding to touching signals; If page-turning instruction, then enter step 3; If not page-turning instruction, then enter step 4.
Step 3: the direction judging page turning.
Step 4: judge whether touching signals covers an existing object on touch-screen; If so, the operation corresponding to and instruction is then performed.
Step 5: perform the operation corresponding to and instruction.
Concrete, described instruction comprises page-turning instruction, selection instruction, delete instruction.In step 2, path corresponding to page-turning instruction is for being similar to the arrow shown in Fig. 2 A, 2B, path corresponding to selection instruction is hook-shaped lines, and the path corresponding to delete instruction is coated with lines or irregular coating lines for being similar to the zigzag coating lines shown in Fig. 3 A-C or enclosing.
In certain embodiments, described instruction also comprises non-selection instruction; When judging to receive this non-selection instruction, carry out the object chosen cancelling the operation selected.
When instruction corresponding to touching signals is judged, perform following steps: calculate the length of path outsourcing rectangle frame corresponding to touching signals and the product of width, if product is less than the non-selection limit value of setting, then judge that this instruction is non-selection instruction.
In certain embodiments, step 4 can perform prior to step 2; In further embodiments, step 4 and step 2 also can perform simultaneously.In certain embodiments, step 4 can be omitted.
In certain embodiments, if when judging whether touching signals covers an existing object on touch-screen, whether there is intersection point with an existing object on the path corresponding to touching signals and touch-screen or whether have the intersection point setting number to be as the criterion.
In certain embodiments, if judge, touching signals does not cover the existing object on touch-screen, then show the path corresponding to touching signals on the touchscreen.
As a specific embodiment, in step 2 can by the judgement of following process implementation page-turning instruction:
Step 21: judge whether touching signals has turning point, if only possess a turning point, then enters next step.Whether whether this step can be interconnected by two sections by judging the touching signals of user and line segment at an angle to each other forms and realizes, namely have and only have a turning point.Because user adopts the instrument such as hand or felt pen to be difficult to mark straight line completely, therefore in this step contact screen information treating apparatus first judge the touching signals detected whether can be approximated to two sections be interconnected and line segment at an angle to each other to judge whether described touching signals has turning point.
Step 22: obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and terminating point.By the coordinate preset on the touchscreen, starting point, turning point, terminating point can be positioned, then obtain the distance absolute value between starting point and turning point, and the distance absolute value between turning point and terminating point.
Step 23: judge whether two distance values obtained are greater than the page turning Distance l imit of setting respectively, if so, then perform next step.
Step 24: the ratio obtaining the spacing of Distance geometry turning point and terminating point between starting point and turning point.Concrete, this ratio can be starting point and the ratio of the spacing of turning point than the spacing of turning point and terminating point, also can be between turning point and middle indication distance compared with the ratio of the spacing of initial point and turning point.In addition, described distance can be absolute value, may not be absolute value.
Step 25: whether be page-turning instruction according to ratio in judgement, if this ratio is greater than the arrow ratio limit value of a setting, then judges that the instruction corresponding to touching signals is page-turning instruction.
Above-described embodiment also can be summarized like this, when contact screen information treating apparatus detects that user is applied to the action on touch-screen and judges that this action is arrow as shown in Figure 2, performs page turn over operation.User can realize page turning by drawing the arrow shown in Fig. 2 on the touchscreen.
In other embodiments, before step 21, first can judge whether the duration of touching signals is less than setting value; If so, then step 21 is entered.In imparting knowledge to students at employing electronic whiteboard, teacher may need to draw arrow sometimes, draw to make arrow and distinguish with page-turning instruction, when detecting that user is applied with a touch-control action on the touchscreen, the contact screen information treating apparatus of the present embodiment need judge duration that touching signals receives whether in the page turning time limits of a setting, if so, then judge whether the instruction that this touching signals is corresponding is page-turning instruction further.
In further embodiments, in imparting knowledge to students at employing electronic whiteboard, teacher may need to draw arrow to mark a certain existing object sometimes, and draw the arrow time used and obviously may not distinguish with applying page-turning instruction time used, therefore, after above-mentioned steps 21, in the indicating range that first can judge a certain setting around turning point, whether there is existing object, this existing object can be the object inserted, or pre-rendered figure etc. on electronic whiteboard.If judge, the scope of a certain setting around described turning point is interior exists existing object, then judge that the touch command that user applies is that lines draw instruction, do not perform page turn over operation.
Due to the touch-screen method that the embodiment of the present invention provides, set the Rule of judgment of page-turning instruction as detecting that user draws arrow on the touchscreen, therefore, make page-turning instruction and other instruction be more prone to distinguish, prevent because user is not intended to touching touch-screen and perform page turn over operation with leading to errors.
In other embodiments, after the instruction judging corresponding to the action of user's touch-control is page-turning instruction, can judge page turning direction further, concrete deterministic process is as follows:
Step 31: the path starting point before turning point corresponding to touching signals and turning point are carried out line.
Step 32: the angle judging described line; If be as the criterion with the coordinate set on the touchscreen in advance, the angle of described line and described coordinate x-axis forward is more than or equal to ﹢ 45 °, is less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described line and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described line and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described line and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis negative sense.
In the present invention from+45 °, with 90 ° for interval, turn on delimiting successively, a left side turned over, under turn over, region that the right side is turned over, this regional assignment and people's routine use are accustomed to and thinking habit extremely adapts to.In actual applications, these regions can than embodiment of the present invention setting regions deviation ± 5 °.
By performing above-mentioned steps, user can carry out page turning along the direction up and down of touch-screen to current file, because the electronic equipment possessing touch-screen at present can identify PC(personal computer) involved by most files, therefore, the function of carrying out page turning in different directions has very high practicality when user consults and uses file.
In other embodiments, before judging the instruction corresponding to touching signals, first can carry out approximate processing to the path that user marks on the touchscreen, make it be approximately one or more straight-line segment.
In actual use, contact screen information treating apparatus may be caused to select certain object mistakenly because user touches touch-screen by mistake, therefore, the present invention in other embodiments, also performs identification and judgement that following steps realize selection instruction:
Step 41: the path corresponding to touching signals is divided into two groups of lines.Often group comprises lines.
Step 42: the intersection point number calculating touching signals, if intersection point number is 1, enters next step.
Step 43: obtain the distance between path starting point corresponding to touching signals and intersection point, and obtain the distance between intersection point and described Path Terminator point.
Step 44: judge whether two distances obtained extremely are greater than the chosen distance limit value of setting respectively, if so, then perform next step.
Step 45: the absolute value obtaining the difference of the spacing of Distance geometry turning point and terminating point between starting point and turning point, if this absolute value is less than the chosen distance difference limit value of setting, then judges that the instruction that the touching signals that receives is corresponding is not selection instruction; Otherwise, perform step 27.
Step 46: the area obtaining touching signals path outsourcing rectangle frame; If this area is less than the selection area limit value of setting, then judge that the instruction that the touching signals that receives is corresponding is not selection instruction; If not, then judge it is selection instruction.
Step 47: perform and choose operation.
In actual use, user can send the instruction of deleting a certain object by touching touch-screen, in prior art, realizes deleting object often through choosing this target and clicking delete key.Equally, due to reasons such as user touch by mistake, certain object is easily deleted by the contact screen information treating apparatus of prior art by mistake.Be directed to this, the present invention in another embodiment, if when judging path corresponding to user's touching signals for comprising any one of the coating lines shown in Fig. 3 A-3C, then judge that the instruction corresponding to this touching signals is delete instruction, realize especially by following steps:
Step 61: obtain the path total length corresponding to touching signals.In above-mentioned steps 21, if judge, there is multiple turning point in path or there is not turning point, then jump to this step, and described path total length realizes by path mode that is cumulative or path segments summation of counting.
Step 62: the length obtaining the path outsourcing rectangle frame corresponding to touching signals.In the present embodiment, described touching signals outsourcing rectangle frame refers to the minimum rectangle of surrounding touching signals path completely.
Step 63: the ratio obtaining described path total length and described outsourcing rectangle frame length, if this ratio is greater than the deletion ratio limits of setting, then judges that described touching signals is delete instruction, and enters next step.In a particular embodiment, this ratio can be 3:1, or 4:1, or 5:1, or 6:1.
Step 64: perform deletion action.In this step, the object that deletion lines cover is deleted by contact screen information treating apparatus.
In certain embodiments, contact screen information disposal route provided by the invention judges whether certain instruction is non-selection instruction, delete instruction, selection instruction successively, if do not belong to aforementioned three instructions, then judges whether this instruction is page-turning instruction.
As can be seen from above, the contact screen information disposal route that the embodiment of the present invention provides, the touching signals path that setting page-turning instruction is corresponding is arrow, also set the judgment mode of the touching signals corresponding to operation such as selection, deletion simultaneously, to the judgement of user instruction, there is very high accuracy, and user has not needed loaded down with trivial details operation when applying these instructions by touch-screen yet, avoiding producing because user touches touch-screen does not unintentionally need or the operation of mistake, has very high practicality.The embodiment of the present invention can realize current file and carry out page turning along different directions, thus the All Files object implementatio8 page turning that substantially can use user.The contact screen information disposal route that the embodiment of the present invention provides, makes user apply selection, delete instruction to touch-screen exactly, avoids deleting mistakenly.
Further, the present invention also provides a kind of contact screen information treating apparatus, as shown in Figure 4, comprises data detection module 401, data computing module 402, execution module 403; This device, when identifying touching signals, performs following steps:
Data detection module 401 detects the touching signals that user is sent by touch-screen; The path of data computing module corresponding to 402 touch command preset, judges the instruction corresponding to touching signals; Execution module 403 performs the operation corresponding to and instruction.
Described touch command comprises page-turning instruction, selection instruction, delete instruction; Path wherein corresponding to page-turning instruction is arrow, and the path corresponding to selection instruction is hook-shaped lines, and the path corresponding to delete instruction is coating lines.
In certain embodiments, except above-mentioned data detection module, data computing module, execution module, contact screen information treating apparatus provided by the invention also comprises data recordin module; Before described execution module performs the operation corresponding to and instruction, according to the information of data recordin module record, data computing module judges whether described touching signals covers an existing object on touch-screen, if do not cover existing object, then data computing module judges that the instruction corresponding to touching signals is not selection instruction or delete instruction.
In certain embodiments, described coating lines comprise zigzag coating lines or enclose painting lines or irregular coating lines.
In certain embodiments, contact screen information treating apparatus provided by the invention also comprises angle judge module; If the path of data computing module corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, decision instruction is sent to angle judge module, angle judge module judges the angle that arrow indicates further and angle value is sent to data computation module, and data computing module judges the direction of page turning according to this angle value.
In certain embodiments, be as the criterion with the coordinate system preset, if the arrow corresponding to touching signals and coordinate x-axis forward angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described arrow and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described arrow and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described arrow and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis negative sense.
In some embodiments, when judging the instruction corresponding to touching signals, data computing module performs following steps:
Calculate the turning point number of touching signals, if turning point number is 1, then enter next step; Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point; Judge whether above-mentioned two distance values obtained are greater than the page turning Distance l imit of setting respectively, if so, then enter next step; Obtain the ratio of the spacing of turning point and terminating point described in Distance geometry between described starting point and turning point; If above-mentioned ratio is greater than the arrow ratio limit value of a setting, then judge that the instruction corresponding to touching signals is page-turning instruction.
In some embodiments, contact screen information treating apparatus provided by the invention also comprises data recordin module; When the turning point number of calculating touching signals is 1, if data computing module judges to there is existing object in the indicating range centered by turning point further according to the recorded information of data recordin module, then judge that the instruction corresponding to this touching signals is not page-turning instruction.
In certain embodiments, contact screen information treating apparatus provided by the invention also comprises angle judge module; If the path of data computing module corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, perform following steps further:
Path starting point corresponding to touching signals and turning point are carried out line, and sends decision instruction to angle judge module; Angle judge module is as the criterion with the coordinate set on the touchscreen in advance, judges the angle value of described line, and angle value is sent to data computing module; If the angle of described line and described coordinate x-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described line and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described line and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described line and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis negative sense.
In certain embodiments, data computing module, when judging the instruction corresponding to touching signals, performs following steps:
Calculate the intersection point number of touching signals, if intersection point number is 1, then enter next step; Obtain the distance between path starting point corresponding to touching signals and intersection point, and obtain the distance between intersection point and described Path Terminator point; Judge that whether two distances obtained are to being in respectively in the chosen distance limits of setting, if so, then perform next step; To obtain between starting point and intersection point distance difference between Distance geometry intersection point and terminating point; If judge, described distance difference is in the chosen distance difference limits of setting, then judge that the instruction that the touching signals that receives is corresponding is not selection instruction; Otherwise, perform next step; Obtain the area of touching signals path outsourcing rectangle frame; If this area is in the selection area limits of setting, then judge that the instruction corresponding to touching signals received is not selection instruction; If not, then judge it is selection instruction.
In certain embodiments, when data computing module judges the instruction corresponding to touching signals, perform following steps:
Calculate the turning point number of touching signals, if turning point number is not 1, then enter next step; Obtain the path total length corresponding to touching signals; Obtain the length of the path outsourcing rectangle frame corresponding to touching signals; Obtain the ratio of described path total length and described outsourcing rectangle frame length; Judge the ratio of previous step, if this ratio is within the scope of the deletion ratio limits of setting, then judge that described touching signals is delete instruction.
In certain embodiments, described deletion ratio limits is 3:1, or 4:1, or 5:1, or 6:1.
As can be seen from above, contact screen information treating apparatus provided by the invention, comprise the parts such as data detection module, angle judge module, data computing module, time block, effectively can distinguish touch informations such as page turning, selection, deletions, avoid these instructions mutually to obscure and the operation led to errors.The contact screen information treating apparatus of the embodiment of the present invention can preferably be applied to the electronic equipment that electronic whiteboard etc. has larger touch-screen, path corresponding to its instruction meets people's routine work and habits and customs, makes user easily send corresponding instruction by touch-screen easily when using touch-screen.Meanwhile, the contact screen information treating apparatus of the embodiment of the present invention, can realize the page turn over operation of different directions, can be suitable for more eurypalynous document.In addition, except setting special page-turning instruction path, the contact screen information treating apparatus of the embodiment of the present invention also sets the touch information path corresponding to selecting and deleting respectively, avoids user touch touch-screen unintentionally and select with leading to errors or delete.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (22)
1. a contact screen information disposal route, is characterized in that, comprises the steps:
Detect the touching signals that user is sent by touch-screen;
According to the path corresponding to the touch command preset, the touch command corresponding to touching signals is judged; Described touch command comprises page-turning instruction, selection instruction, delete instruction; Path wherein corresponding to page-turning instruction is arrow, and the path corresponding to selection instruction is hook-shaped lines, and the path corresponding to delete instruction is coating lines;
Perform the operation corresponding to and instruction.
2. contact screen information disposal route according to claim 1, it is characterized in that, before performing the operation corresponding to and instruction, judge whether described touching signals covers an existing object on touch-screen, if do not cover existing object, be then judged as that lines draw instruction.
3. contact screen information disposal route according to claim 1, is characterized in that, described coating lines comprise zigzag coating lines or circle is coated with lines or irregular coating lines.
4. contact screen information disposal route according to claim 1, it is characterized in that, if according to the path corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, judge the direction of page turning further according to the angle of arrow instruction.
5. contact screen information disposal route according to claim 4, it is characterized in that, if be as the criterion with the coordinate system preset, arrow corresponding to touching signals and coordinate x-axis forward angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described arrow and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described arrow and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described arrow and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis negative sense.
6. contact screen information disposal route according to claim 1, is characterized in that, when judging the instruction corresponding to touching signals, performs following steps:
Calculate the turning point number of touching signals, if turning point number is 1, then enter next step;
Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point;
Judge whether above-mentioned two distance values obtained are greater than the page turning Distance l imit of setting respectively, if so, then enter next step;
Obtain the ratio of the spacing of turning point and terminating point described in Distance geometry between described starting point and turning point;
If above-mentioned ratio is greater than the arrow ratio limit value of a setting, then judge that the instruction corresponding to touching signals is page-turning instruction.
7. contact screen information disposal route according to claim 6, it is characterized in that, when the turning point number of calculating touching signals is 1, if judge to there is existing object in the indicating range centered by turning point further, then judge that the instruction corresponding to this touching signals is that lines draw instruction.
8. contact screen information disposal route according to claim 1, is characterized in that, if the path corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, performs following steps further:
Path starting point corresponding to touching signals and turning point are carried out line;
If be as the criterion with the coordinate set on the touchscreen in advance, the angle of described line and described coordinate x-axis forward is more than or equal to ﹢ 45 °, is less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described line and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described line and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described line and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then judge that this page-turning instruction is the page-turning instruction along y-axis negative sense.
9. contact screen information disposal route according to claim 1, is characterized in that, when judging the instruction corresponding to touching signals, performs following steps:
Calculate the turning point number of touching signals, if turning point number is 1, then enter next step;
Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point;
Judge that whether two distances obtained are to being in respectively in the chosen distance limits of setting, if so, then perform next step;
To obtain between starting point and turning point distance difference between Distance geometry turning point and terminating point;
If judge, described distance difference is in the chosen distance difference limits of setting, then judge that the instruction lines that the touching signals that receives is corresponding draw instruction; Otherwise, perform next step;
Obtain the area of touching signals path outsourcing rectangle frame; If this area is in the selection area limits of setting, then judge that the instruction that the touching signals that receives is corresponding is that lines draw instruction; If not, then judge it is selection instruction.
10. contact screen information disposal route according to claim 1, is characterized in that, when judging the instruction corresponding to touching signals, performs following steps:
Calculate the turning point number of touching signals, if turning point number is not 1, then enter next step;
Obtain the path total length corresponding to touching signals;
Obtain the length of the path outsourcing rectangle frame corresponding to touching signals;
Obtain the ratio of described path total length and described outsourcing rectangle frame length;
Judge the ratio of previous step, if this ratio is within the scope of the deletion ratio limits of setting, then judge that described touching signals is delete instruction.
11. contact screen information disposal routes according to claim 10, is characterized in that, described deletion ratio limits is 3:1, or 4:1, or 5:1, or 6:1.
12. 1 kinds of contact screen information treating apparatus, is characterized in that, comprise data detection module, data computing module, execution module; This device, when identifying touching signals, performs following steps:
Data detection module detects the touching signals that user is sent by touch-screen; The path of data computing module corresponding to the touch command preset, judges the instruction corresponding to touching signals; Execution module performs the operation corresponding to and instruction;
Described touch command comprises page-turning instruction, selection instruction, delete instruction; Path wherein corresponding to page-turning instruction is arrow, and the path corresponding to selection instruction is hook-shaped lines, and the path corresponding to delete instruction is coating lines.
13. contact screen information treating apparatus according to claim 12, is characterized in that, also comprise data recordin module; Before described execution module performs the operation corresponding to and instruction, according to the information of data recordin module record, data computing module judges whether described touching signals covers an existing object on touch-screen, if do not cover existing object, then data computing module judges that the instruction corresponding to touching signals is that lines draw instruction.
14. contact screen information treating apparatus according to claim 12, is characterized in that, described coating lines comprise zigzag coating lines or circle is coated with lines or irregular coating lines.
15. contact screen information treating apparatus according to claim 12, is characterized in that, also comprise angle judge module; If the path of data computing module corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, decision instruction is sent to angle judge module, angle judge module judges the angle that arrow indicates further and angle value is sent to data computation module, and data computing module judges the direction of page turning according to this angle value.
16. contact screen information treating apparatus according to claim 15, it is characterized in that, be as the criterion with the coordinate system preset, if the arrow corresponding to touching signals and coordinate x-axis forward angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described arrow and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described arrow and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described arrow and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis negative sense.
17. contact screen information treating apparatus according to claim 12, is characterized in that, when judging the instruction corresponding to touching signals, data computing module performs following steps:
Calculate the turning point number of touching signals, if turning point number is 1, then enter next step; Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point; Judge whether above-mentioned two distance values obtained are greater than the page turning Distance l imit of setting respectively, if so, then enter next step; Obtain the ratio of the spacing of turning point and terminating point described in Distance geometry between described starting point and turning point; If above-mentioned ratio is greater than the arrow ratio limit value of a setting, then judge that the instruction corresponding to touching signals is page-turning instruction.
18. contact screen information treating apparatus according to claim 17, is characterized in that, also comprise data recordin module; When the turning point number of calculating touching signals is 1, if data computing module judges to there is existing object in the indicating range centered by turning point further according to the recorded information of data recordin module, then judge that the instruction corresponding to this touching signals is that lines draw instruction.
19. contact screen information treating apparatus according to claim 12, is characterized in that, also comprise angle judge module; If the path of data computing module corresponding to the touch command preset, when the instruction judging corresponding to described touching signals is page-turning instruction, perform following steps further:
Path starting point corresponding to touching signals and turning point are carried out line, and sends decision instruction to angle judge module; Angle judge module is as the criterion with the coordinate set on the touchscreen in advance, judges the angle value of described line, and angle value is sent to data computing module; If the angle of described line and described coordinate x-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis forward; If the angle of described line and described coordinate y-axis forward is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis forward; If the angle of described line and described coordinate x-axis negative sense is more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction carrying out page turning along x-axis negative sense; If described line and described y-axis negative sense angle are more than or equal to ﹢ 45 °, be less than ﹣ 45 °, then data computing module judges that this page-turning instruction is the page-turning instruction along y-axis negative sense.
20. contact screen information treating apparatus according to claim 12, is characterized in that, data computing module, when judging the instruction corresponding to touching signals, performs following steps:
Calculate the turning point number of touching signals, if turning point number is 1, then enter next step; Obtain the distance between path starting point corresponding to touching signals and turning point, and obtain the distance between turning point and described Path Terminator point; Judge that whether two distances obtained are to being in respectively in the chosen distance limits of setting, if so, then perform next step; To obtain between starting point and turning point distance difference between Distance geometry turning point and terminating point; If judge, described distance difference is in the chosen distance difference limits of setting, then judge that the touch command received is that lines draw instruction; Otherwise, perform next step; Obtain the area of touching signals path outsourcing rectangle frame; If this area is in the selection area limits of setting, then judge that the instruction corresponding to touching signals received is that lines draw instruction; If not, then judge it is selection instruction.
21. contact screen information treating apparatus according to claim 12, is characterized in that, when data computing module judges the instruction corresponding to touching signals, perform following steps:
Calculate the turning point number of touching signals, if turning point number is not 1, then enter next step; Obtain the path total length corresponding to touching signals; Obtain the length of the path outsourcing rectangle frame corresponding to touching signals; Obtain the ratio of described path total length and described outsourcing rectangle frame length; Judge the ratio of previous step, if this ratio is within the scope of the deletion ratio limits of setting, then judge that described touching signals is delete instruction.
22. contact screen information treating apparatus according to claim 21, is characterized in that, described deletion ratio limits is 3:1, or 4:1, or 5:1, or 6:1.
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