CN101493736A - Method for implementing scaling of display content on display screen on touch pad - Google Patents
Method for implementing scaling of display content on display screen on touch pad Download PDFInfo
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- CN101493736A CN101493736A CNA2009100257113A CN200910025711A CN101493736A CN 101493736 A CN101493736 A CN 101493736A CN A2009100257113 A CNA2009100257113 A CN A2009100257113A CN 200910025711 A CN200910025711 A CN 200910025711A CN 101493736 A CN101493736 A CN 101493736A
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Abstract
A method used for scaling the content of a display on a touch pad includes the providing of the touch pad and is characterized by also comprising identification of scaling gesture. The identification of scaling gesture includes the following steps: the touch pad is adopted for detecting and sending the position information of N touched objects to a host computer; the host computer compares the position information of the touched objects and selects the position information of the touched objects positioned at the most left end and/or the most right end of a touch interface of the touch pad to be marked as a first reference position and/or a second reference position; the host computer compares the position information of the touched objects and selects the position information of the touched objects positioned at the most left end and/or the most right end of the touch interface of the touch pad to be marked as a third reference position and/or a fourth reference position; and the position information of the first reference position and the third reference position and/or the second reference position and the fourth reference position is compared and then the judging and identifying of the scaling gesture can be carried out according to the comparison result. The invention adopts multi-finger to start, judge and control the scaling.
Description
Technical field
The gesture that the present invention relates to a kind of touch pad is used, and is especially a kind of in the method that realizes zooming of display content on the display screen on the touch pad.
Background technology
Nowadays touch pad has been widely used on the electronic equipments such as personal digital assistant (PDA), mobile phone, palm PC, flat computer.Touch pad be for the user with the input media that hand or electric conductivity object (for example pointer) slide or contact on panel, the cursor generation is relatively moved and support other extensibility functions, as the key press emulation function etc.For allowing the user can support more diversity function, therefore the notion of subregion has been arranged, and needed some method for detecting, to distinguish the function that the user will use at operating area.
Adopt touch panel designs, this will be the development trend of small-sized notebook computer and smart mobile phone.Small-sized notebook computer be exactly small and exquisite by volume, be easy to carry and cheap and be subjected to the favor in market, in limited volume, how to save cost, and reasonable Arrangement element, be that a lot of manufacturers are making great efforts improved problem always, adopt touch panel designs, combined with virtual keyboard and refer to touch function more, can make notebook computer save the space of devices such as keyboard, Trackpad, mouse, be used for more distributing rationally other functional module.Can reduce the cost greatly, and the configuration design of complete machine there has been more selection, can have satisfied low-medium-high level user's different demands.
Therefore, need a kind of utilization badly and refer to differentiate, start zoom function more, simultaneously, control the method for convergent-divergent with the position of a plurality of fingers.
Summary of the invention
The object of the present invention is to provide a kind of variation tendency of the relative position information with a plurality of touching objects to control the amplification of displaying contents or dwindle.
Technical scheme of the present invention is:
A kind ofly comprise touch pad is provided that it is characterized in that also comprising identification convergent-divergent gesture, described identification convergent-divergent gesture may further comprise the steps in the method that realizes zooming of display content on the display screen on the touch pad:
A) detect the some time by touch pad and be carved with the touch-control interface of N touch objects touch to touch pad;
B) detect by touch pad and send N the positional information of touching object in the step a) to main frame;
C) respectively touch the positional information of object by main frame and choose the high order end at the touch-control interface that is positioned at touch pad and/or the positional information of the touching object of low order end, be designated as first reference position and/or second reference position; D) send next positional information of N touching object constantly by the touch pad detection and to main frame;
E) respectively touch the positional information of object by main frame and choose the high order end at the touch-control interface that is positioned at touch pad and/or the positional information of the touching object of low order end, be designated as the 3rd reference position and/or the 4th reference position; F) positional information of comparison first reference position and the 3rd reference position and/or second reference position and the 4th reference position, and judgement, the identification of carrying out the convergent-divergent gesture according to comparative result: if first reference position is positioned at the right side of the 3rd reference position and/or the left side that second reference position is positioned at the 4th reference position, then be identified as one and amplify gesture, and send one to main frame and amplify hand signal, displaying contents amplifies on the host computer control display screen; If first reference position is positioned at the left side of the 3rd reference position and/or the right side that second reference position is positioned at the 4th reference position, then be identified as one and dwindle gesture, and send one to main frame and dwindle hand signal, displaying contents dwindles on the host computer control display screen.
The number N of described touching object is the positive integer more than or equal to 2.
The positional information of described touching object comprises absolute location coordinates and/or the relative position coordinates of touching object.
Described touch pad is touch-screen, Trackpad or handwriting pad.
A kind ofly comprise touch pad is provided that it is characterized in that also comprising identification convergent-divergent gesture, described identification convergent-divergent gesture may further comprise the steps in the method that realizes zooming of display content on the display screen on the touch pad:
A) detect the some time by touch pad and be carved with the touch-control interface of N touch objects touch to touch pad;
B) detect by touch pad and send N the positional information of touching object in the step a) to main frame;
C) respectively touch the positional information of object by main frame and choose the top at the touch-control interface that is positioned at touch pad and/or the positional information of touching object bottom, be designated as Wucan and examine position and/or the 6th reference position; D) send next positional information of N touching object constantly by the touch pad detection and to main frame;
E) respectively touch the positional information of object by main frame and choose the top at the touch-control interface that is positioned at touch pad and/or the positional information of touching object bottom, be designated as the 7th reference position and/or the 8th reference position; F) relatively Wucan is examined the positional information of position and the 7th reference position and/or the 6th reference position and the 8th reference position, and judgement, the identification of carrying out the convergent-divergent gesture according to comparative result: if Wucan is examined the upside that downside that the position is positioned at the 7th reference position and/or the 6th reference position are positioned at the 8th reference position, then be identified as one and amplify gesture, and send one to main frame and amplify hand signal, displaying contents amplifies on the host computer control display screen; If Wucan is examined the downside that upside that the position is positioned at the 7th reference position and/or the 6th reference position are positioned at the 8th reference position, then be identified as one and dwindle gesture, and send one to main frame and dwindle hand signal, displaying contents dwindles on the host computer control display screen.
The number N of described touching object is the positive integer more than or equal to 2.
The positional information of described touching object comprises absolute location coordinates and/or the relative position coordinates of touching object.
Described touch pad is touch-screen, Trackpad or handwriting pad.
The invention has the beneficial effects as follows:
Provided by the inventionly broken existing convergent-divergent gesture limitation, only needed to change the effect that relative position between touching object such as finger just can reach flexible realization amplification, reduction capability and control convergent-divergent speed in the method that realizes zooming of display content on the display screen on the touch pad.
Description of drawings
Fig. 1 is a synoptic diagram one of the present invention.
Fig. 2 is a synoptic diagram two of the present invention.
Fig. 3 is a synoptic diagram three of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment one.
A kind ofly comprise touch pad is provided that it is characterized in that also comprising identification convergent-divergent gesture, identification convergent-divergent gesture may further comprise the steps in the method that realizes zooming of display content on the display screen on the touch pad:
A) detect the some time by touch pad and be carved with the touch-control interface of N finger touches, as shown in Figure 1 to touch pad;
B) detect by touch pad and send N the positional information of pointing in the step a) to main frame;
C) by main frame relatively each finger positional information and choose first finger of high order end at the touch-control interface that is positioned at touch pad and/or the positional information of the second finger of low order end, be designated as first reference position and/or second reference position; Wherein the position coordinates of first reference position be (X1, Y1), the position coordinates of second reference position be (X2, Y2);
D) send next positional information of N finger constantly by the touch pad detection and to main frame; As Fig. 2, in this moment, four fingers have all been finished from motion, and promptly the user makes the gesture of wishing to carry out amplifieroperation,
E) by main frame relatively each finger positional information and choose first finger of high order end at the touch-control interface that is positioned at touch pad and/or the positional information of the second finger of low order end, be designated as the 3rd reference position and/or the 4th reference position; Wherein the position coordinates of the 3rd reference position is (X1 ', Y1 '), and the position coordinates of the 4th reference position is (X2 ', Y2 ');
F) positional information of comparison first reference position and the 3rd reference position and/or second reference position and the 4th reference position, and judgement, the identification of carrying out the convergent-divergent gesture according to comparative result: if first reference position is positioned at the right side of the 3rd reference position and/or the left side that second reference position is positioned at the 4th reference position, then be identified as one and amplify gesture, and send one to main frame and amplify hand signal, displaying contents amplifies on the host computer control display screen;
When the user makes when wishing to carry out the gesture of reduction operation, when promptly a plurality of fingers all move in opposite directions, can judge according to same mode, be identified as and dwindle gesture, and dwindle by displaying contents on the host computer control display screen.
In first finger or second finger, has only a finger motion.When another finger keeps motionless, only with the foundation that is changed to control convergent-divergent speed, ratio of the position coordinates of that root finger of motion.
If first reference position is positioned at the left side of the 3rd reference position and/or the right side that second reference position is positioned at the 4th reference position, then be identified as one and dwindle gesture, and send one to main frame and dwindle hand signal, displaying contents dwindles on the host computer control display screen.The number N of finger is the positive integer more than or equal to 2.
The positional information of finger comprises the absolute location coordinates and/or the relative position coordinates of finger.
For example: choose first position coordinates of pointing of the high order end at the touch-control interface that is positioned at touch pad, promptly (X1 Y1) judges the point of X-axis coordinate minimum, when amplifying or dwindle, (X1, Y1) move to (X1 ', Y1 '), form vectorial a (X1 '-X1, Y1 '-Y1), if vectorial a is second and third quadrant vector (comprising the X-axis negative sense), then for amplifying, if vectorial a is first, fourth quadrant vector (comprising the X-axis forward), then for dwindling.
Embodiment two.
A kind ofly comprise touch pad is provided that it is characterized in that also comprising identification convergent-divergent gesture, described identification convergent-divergent gesture may further comprise the steps in the method that realizes zooming of display content on the display screen on the touch pad:
A) detect the some time by touch pad and be carved with the touch-control interface of N finger touches, as shown in Figure 1 to touch pad;
B) detect by touch pad and send N the positional information of pointing in the step a) to main frame;
C) by main frame relatively each the finger positional information and choose the top at the touch-control interface that is positioned at touch pad and/or the positional information of finger bottom, be designated as Wucan and examine position and/or the 6th reference position; D) send next positional information of N finger constantly by the touch pad detection and to main frame; Wherein the Wucan position coordinates of examining the position for (X3, Y3), the position coordinates of the 6th reference position be (X4, Y4);
E) by main frame relatively each the finger positional information and choose the top at the touch-control interface that is positioned at touch pad and/or the positional information of finger bottom, be designated as the 7th reference position and/or the 8th reference position; Wherein the position coordinates of the 7th reference position is (X3 ', Y3 '), and the position coordinates of the 8th reference position is (X4 ', Y4 ');
F) relatively Wucan is examined the positional information of position and the 7th reference position and/or the 6th reference position and the 8th reference position, and judgement, the identification of carrying out the convergent-divergent gesture according to comparative result: if Wucan is examined the upside that downside that the position is positioned at the 7th reference position and/or the 6th reference position are positioned at the 8th reference position, then be identified as one and amplify gesture, and send one to main frame and amplify hand signal, displaying contents amplifies on the host computer control display screen; As Fig. 3, if Wucan is examined the downside that upside that the position is positioned at the 7th reference position and/or the 6th reference position are positioned at the 8th reference position, then be identified as one and dwindle gesture, and send one to main frame and dwindle hand signal, displaying contents dwindles on the host computer control display screen.
When the user makes when wishing to carry out the gesture of amplifieroperation, the amplification gesture be judged, be identified as to promptly a plurality of finger homogeneous phases can according to same mode when motion, and amplified by displaying contents on the host computer control display screen.
In the 3rd finger or the 4th finger, has only a finger motion.When another finger keeps motionless, only with the foundation that is changed to control convergent-divergent speed, ratio of the position coordinates of that root finger of motion.The number N of finger is the positive integer more than or equal to 2.The positional information of finger comprises the absolute location coordinates and/or the relative position coordinates of finger.
For example: choose the 3rd position coordinates of pointing of the top at the touch-control interface that is positioned at touch pad, promptly (X3 Y3) judges the point of Y-axis coordinate maximum, when amplifying or dwindle, (X3, Y3) move to (X3 ', Y3 '), form vectorial b (X3 '-X3, Y3 '-Y3), if vectorial b is first and second quadrant vector (comprising the X-axis forward), then for amplifying, if vectorial b is third and fourth quadrant vector (comprising the X-axis negative sense), then for dwindling.
When first finger and second finger when all not moving, just with the foundation that is changed to control convergent-divergent speed, ratio of the position coordinates of the 3rd finger and/or the 4th finger.Equally, when the 3rd finger and the 4th finger when all not moving, just with the foundation that is changed to control convergent-divergent speed, ratio of the position coordinates of first finger and/or second finger.Same method is applicable to that also two, three, five, six even more finger touch the situation of touch plate simultaneously.Promptly control the convergent-divergent of displaying contents, make user's operation more directly perceived, more meet daily habits and customs, simplified man-machine input language, make user's thinking statement more direct, improve operating efficiency by the flexible gesture of finger.
The displaying contents on the may command display screen of the present invention such as the convergent-divergent of contents such as picture, window or document file page, the ratio of amplifying or dwindling can be proportional to finger and move to the 3rd reference position from first reference position, moves to the 4th reference position from second reference position, examines the rate travel that the position moves to the 7th reference position, moves to the 8th reference position from the 6th reference position from Wucan, with this as the control reference quantity of amplifying or dwindling.
After moving to the 4th reference position after the ratio of amplifying or dwindling also can be proportional to finger and moves to the 3rd reference position from first reference position, from second reference position, from Wucan examine the position move to the 7th reference position after, move to from the 6th reference position the residence time behind the 8th reference position, with this as the control reference quantity of amplifying or dwindling.
The speed that amplifies or dwindle also can be with reference to above-mentioned control reference quantity.Also can one fixing ratio or speed convergent-divergent, as the scaling or the speed of system default.Certainly, these control reference quantities all can the individual be condensed custom and the adjustment of special operational demand that the user uses.
Touching object in the foregoing description all is the example explanation with the finger, and the touching object also can be touches device such as pointer.Touch pad is an inductance capacitance formula touch pad, specifically can be the equipment that inductance capacitance formula touch-screen, inductance capacitance formula Trackpad or inductance capacitance formula handwriting pad etc. are used inductance capacitance formula touching technique.
The faint inductance capacitance variable quantity that can come senses touch plate sweep trace to be passed on by touch-control chip for the detection of positional information of touching object as TangoS series, the touch-control chip is from the capacitance touch screen image data, processing through microprocessor MCU, interface and main frame with standard communicate, communication interface has twin wire universal serial bus I2C, high-speed synchronous serial line interface SPI, general-purpose serial bus USB etc. are optional.The touch-control chip obtains to touch capacitance information by sweep trace, handles through the touch-control chip to be transformed into raw data, can be transferred to microprocessor MCU by 4 line high-speed synchronous serial line interface SPI, and one section default program is arranged among the microprocessor MCU; After a series of conversion Calculation through microprocessor MCU, microprocessor MCU is to (X1, the Y1 of main frame output touching object location information; X2, Y2; ...; Xn, Yn) coordinate figure, and induction pressure (P), and then realize of the present invention in the method that realizes zooming of display content on the display screen on the touch pad.Hardware that the present invention does not relate to and software all can pass through existing techniques in realizing.
Claims (8)
1, a kind ofly comprise touch pad is provided that it is characterized in that also comprising identification convergent-divergent gesture, described identification convergent-divergent gesture may further comprise the steps in the method that realizes zooming of display content on the display screen on the touch pad:
A) detect the some time by touch pad and be carved with the touch-control interface of N touch objects touch to touch pad;
B) detect by touch pad and send N the positional information of touching object in the step a) to main frame;
C) respectively touch the positional information of object by main frame and choose the high order end at the touch-control interface that is positioned at touch pad and/or the positional information of the touching object of low order end, be designated as first reference position and/or second reference position;
D) send next positional information of N touching object constantly by the touch pad detection and to main frame;
E) respectively touch the positional information of object by main frame and choose the high order end at the touch-control interface that is positioned at touch pad and/or the positional information of the touching object of low order end, be designated as the 3rd reference position and/or the 4th reference position;
F) positional information of comparison first reference position and the 3rd reference position and/or second reference position and the 4th reference position, and
Carry out judgement, the identification of convergent-divergent gesture according to comparative result:
If first reference position is positioned at the right side of the 3rd reference position and/or the left side that second reference position is positioned at the 4th reference position, then be identified as one and amplify gesture, and
Send one to main frame and amplify hand signal, displaying contents amplifies on the host computer control display screen;
If first reference position is positioned at the left side of the 3rd reference position and/or the right side that second reference position is positioned at the 4th reference position, then be identified as one and dwindle gesture, and
Send one to main frame and dwindle hand signal, displaying contents dwindles on the host computer control display screen.
2, method according to claim 1, the number N that it is characterized in that described touching object are the positive integer more than or equal to 2.
3, method according to claim 1 is characterized in that the positional information of described touching object comprises absolute location coordinates and/or the relative position coordinates of touching object.
4, method according to claim 1 is characterized in that described touch pad is touch-screen, Trackpad or handwriting pad.
5, a kind ofly comprise touch pad is provided that it is characterized in that also comprising identification convergent-divergent gesture, described identification convergent-divergent gesture may further comprise the steps in the method that realizes zooming of display content on the display screen on the touch pad:
A) detect the some time by touch pad and be carved with the touch-control interface of N touch objects touch to touch pad;
B) detect by touch pad and send N the positional information of touching object in the step a) to main frame;
C) respectively touch the positional information of object by main frame and choose the top at the touch-control interface that is positioned at touch pad and/or the positional information of touching object bottom, be designated as Wucan and examine position and/or the 6th reference position;
D) send next positional information of N touching object constantly by the touch pad detection and to main frame;
E) respectively touch the positional information of object by main frame and choose the top at the touch-control interface that is positioned at touch pad and/or the positional information of touching object bottom, be designated as the 7th reference position and/or the 8th reference position;
F) relatively Wucan is examined the positional information of position and the 7th reference position and/or the 6th reference position and the 8th reference position, and
Carry out judgement, the identification of convergent-divergent gesture according to comparative result:
If Wucan is examined the upside that downside that the position is positioned at the 7th reference position and/or the 6th reference position are positioned at the 8th reference position, then be identified as one and amplify gesture, and
Send one to main frame and amplify hand signal, displaying contents amplifies on the host computer control display screen;
If Wucan is examined the downside that upside that the position is positioned at the 7th reference position and/or the 6th reference position are positioned at the 8th reference position, then be identified as one and dwindle gesture, and
Send one to main frame and dwindle hand signal, displaying contents dwindles on the host computer control display screen.
6, method according to claim 5, the number N that it is characterized in that described touching object are the positive integer more than or equal to 2.
7, method according to claim 5 is characterized in that the positional information of described touching object comprises absolute location coordinates and/or the relative position coordinates of touching object.
8, method according to claim 5 is characterized in that described touch pad is touch-screen, Trackpad or handwriting pad.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100257113A CN101493736A (en) | 2009-03-06 | 2009-03-06 | Method for implementing scaling of display content on display screen on touch pad |
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| CNA2009100257113A CN101493736A (en) | 2009-03-06 | 2009-03-06 | Method for implementing scaling of display content on display screen on touch pad |
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| CN101943993A (en) * | 2010-08-26 | 2011-01-12 | 深圳桑菲消费通信有限公司 | Method for unlocking and locking mobile terminal touch screen |
| CN102221969A (en) * | 2011-06-09 | 2011-10-19 | 福州瑞芯微电子有限公司 | Multipoint-touch-technology-based video scaling method |
| CN102262468A (en) * | 2010-05-28 | 2011-11-30 | 元太科技工业股份有限公司 | Touch-control display device and electronic reading device with touch-control function |
| CN102314305A (en) * | 2010-07-09 | 2012-01-11 | 索尼公司 | Display control apparatus and display control method, display control program, and recording medium |
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| CN102314305A (en) * | 2010-07-09 | 2012-01-11 | 索尼公司 | Display control apparatus and display control method, display control program, and recording medium |
| CN101943993A (en) * | 2010-08-26 | 2011-01-12 | 深圳桑菲消费通信有限公司 | Method for unlocking and locking mobile terminal touch screen |
| CN102221969B (en) * | 2011-06-09 | 2013-01-16 | 福州瑞芯微电子有限公司 | Multipoint-touch-technology-based video scaling method |
| CN102221969A (en) * | 2011-06-09 | 2011-10-19 | 福州瑞芯微电子有限公司 | Multipoint-touch-technology-based video scaling method |
| CN102890611A (en) * | 2011-07-21 | 2013-01-23 | 华为技术有限公司 | Method and device for providing folder item information based on touch operation |
| CN102890611B (en) * | 2011-07-21 | 2016-03-30 | 华为技术有限公司 | A kind of method and device that file project information is provided based on touching type operation |
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| CN107168637A (en) * | 2017-07-23 | 2017-09-15 | 刘慧� | A kind of intelligent terminal for by scaling gesture show scaling |
| CN111381890A (en) * | 2018-12-27 | 2020-07-07 | 敦泰电子有限公司 | Touch panel driving system and method |
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