CN109753171A - The bearing calibration of touch-control coordinate under a kind of mirror image display pattern - Google Patents
The bearing calibration of touch-control coordinate under a kind of mirror image display pattern Download PDFInfo
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- CN109753171A CN109753171A CN201711069274.6A CN201711069274A CN109753171A CN 109753171 A CN109753171 A CN 109753171A CN 201711069274 A CN201711069274 A CN 201711069274A CN 109753171 A CN109753171 A CN 109753171A
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Abstract
The invention discloses a kind of bearing calibrations of touch-control coordinate under mirror image display pattern, comprising steps of A1, touch panel device end determine whether current display mode is mirror image pattern, the display resolution and touch panel device end current display resolution at computer equipment end are if it is read；A2, threshold value of the resolution ratio ranks than difference is set；If A3, touch panel device end current display resolution ranks are not more than threshold value of the resolution ratio ranks than difference than the absolute difference of the display resolution ranks ratio with computer equipment end, touch panel device touch-control coordinate is not corrected then, if touch panel device end current display resolution ranks are greater than resolution ratio ranks than the threshold value of difference than the absolute difference of the display resolution ranks ratio with computer equipment end, touch panel device touch-control coordinate is corrected.
Description
Technical field
The present invention relates to touch screen display technologies fields, and in particular to the correction of touch-control coordinate under a kind of mirror image display pattern
Method.
Background technique
Present computer system has mirror image display pattern, i.e. computer screen and other slave device screen can be shown
When showing identical content, but computer being connect with touchpad device mirror image, in some cases, touchpad device and meter
The display resolution of calculation machine is different, the touch point position for causing touchpad device graphic interface to show and the actual touch-control of touch screen
Position generates deviation, can not be properly positioned touch location, seriously affect the accurate and effective of touch control operation, caused to user
Puzzlement.As shown in Figure 1, the display resolution of computer system this side is 1960*1024, and the display resolution of touch panel device
It is 1024*768, then touch screen will appear projection black surround, and touch point display position can generate offset with actual position of touch.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiencies of the prior art, provide under a kind of mirror image display pattern
The bearing calibration of touch-control coordinate, when computer being overcome to connect with touchpad device mirror image, touch-control that touchpad device image is shown
Point position and the actual position of touch of touch screen generate deviation, can not be properly positioned touch location, influence touch control operation accuracy
With the defect of validity.
The present invention to solve above-mentioned technical problem used by technical solution are as follows:
The bearing calibration of touch-control coordinate under a kind of mirror image display pattern, comprising steps of.
A1, touch panel device end determine whether current display mode is mirror image pattern, if it is read computer equipment
The display resolution and touch panel device end current display resolution at end；
A2, threshold value of the resolution ratio ranks than difference is set；
If A3, touch panel device end current display resolution ranks are than the display resolution ranks with computer equipment end
The absolute difference of ratio than the threshold value of difference, is not then corrected touch panel device touch-control coordinate no more than resolution ratio ranks,
If touch panel device end current display resolution ranks are more exhausted than the difference of the display resolution ranks ratio with computer equipment end
Resolution ratio ranks are greater than than the threshold value of difference to value, then touch panel device touch-control coordinate are corrected.
According to an embodiment of the invention, the step A3 is comprising steps of if touch panel device end current display resolution
Ranks are greater than threshold value of the resolution ratio ranks than difference than the absolute difference of the display resolution ranks ratio with computer equipment end,
And touch panel device end current display resolution ranks are positive than the difference of the display resolution ranks ratio with computer equipment end
When value, touch screen touch-control column coordinate is corrected.
According to an embodiment of the invention, the step A3 is comprising steps of if touch panel device end current display resolution
Ranks are greater than threshold value of the resolution ratio ranks than difference than the absolute difference of the display resolution ranks ratio with computer equipment end,
And touch panel device end current display resolution ranks are negative than the difference of the display resolution ranks ratio with computer equipment end
When value, touch screen touch-control row coordinate is corrected.
According to an embodiment of the invention, being corrected as follows to touch screen touch-control column coordinate:
Wherein Y is touch screen touch-control column coordinate after correction, and y is school
Just preceding touch screen touch-control column coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer
The column split rate pixel number of equipment end display resolution, r1For the row definition pixel of touch panel device end current display resolution
Number, r2For the row definition pixel number of computer equipment end display resolution.
According to an embodiment of the invention, being corrected as follows to touch screen touch-control row coordinate:
Wherein X is touch screen touch-control row coordinate after correction, and x is school
Just preceding touch screen touch-control row coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer
The column split rate pixel number of equipment end display resolution, r1For the row definition pixel of touch panel device end current display resolution
Number, r2For the row definition pixel number of computer equipment end display resolution.
According to an embodiment of the invention, resolution ratio ranks are set as 0.05 than the threshold value of difference.
Implement technical solution of the present invention, has the advantages that technical solution of the present invention passes through effective coordinate school
Just, the touch point position for showing touchpad device image and the actual position of touch of touch screen will not generate deviation, Ke Yizheng
True positioning touch location improves touch control operation accuracy and validity.
Detailed description of the invention
It is specifically described the present invention below with reference to attached drawing and in conjunction with example, advantages of the present invention and implementation will
It is more obvious, wherein content only for the purpose of explanation of the present invention shown in attached drawing, without constitute to it is of the invention in all senses
On limitation, in the accompanying drawings:
Fig. 1 is the schematic diagram of touch point display position of the present invention offset；
Fig. 2 is the flow chart of the method for the present invention；
Fig. 3 is present invention image is shown after coordinates correction touch point position and actual position of touch is consistent shows
It is intended to.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, under mirror image display pattern of the present invention touch-control coordinate bearing calibration, comprising steps of
A1, touch panel device end determine whether current display mode is mirror image pattern, if it is read computer equipment
The display resolution and touch panel device end current display resolution at end；
A2, threshold value of the resolution ratio ranks than difference is set；
If A3, touch panel device end current display resolution ranks are than the display resolution ranks with computer equipment end
The absolute difference of ratio than the threshold value of difference, is not then corrected touch panel device touch-control coordinate no more than resolution ratio ranks,
If touch panel device end current display resolution ranks are more exhausted than the difference of the display resolution ranks ratio with computer equipment end
Resolution ratio ranks are greater than than the threshold value of difference to value, then touch panel device touch-control coordinate are corrected.
Step A3 is comprising steps of if touch panel device end current display resolution ranks are than aobvious with computer equipment end
Show that the absolute difference of resolution ratio ranks ratio is greater than threshold value of the resolution ratio ranks than difference, and touch panel device end currently shows and divides
Resolution ranks than the display resolution ranks ratio with computer equipment end difference be positive value when, to touch screen touch-control column coordinate into
Row correction.
Step A3 is comprising steps of if touch panel device end current display resolution ranks are than aobvious with computer equipment end
Show that the absolute difference of resolution ratio ranks ratio is greater than threshold value of the resolution ratio ranks than difference, and touch panel device end currently shows and divides
Resolution ranks than the display resolution ranks ratio with computer equipment end difference be negative value when, to touch screen touch-control row coordinate into
Row correction.
Touch screen touch-control column coordinate is corrected as follows:
Wherein Y is touch screen touch-control column coordinate after correction, and y is school
Just preceding touch screen touch-control column coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer
The column split rate pixel number of equipment end display resolution, r1For the row definition pixel of touch panel device end current display resolution
Number, r2For the row definition pixel number of computer equipment end display resolution.
Wherein X is touch screen touch-control row coordinate after correction, and x is school
Just preceding touch screen touch-control row coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer
The column split rate pixel number of equipment end display resolution, r1For the row definition pixel of touch panel device end current display resolution
Number, r2For the row definition pixel number of computer equipment end display resolution.
Resolution ratio ranks are set as 0.05 than the threshold value of difference.
" resolution ratio ranks ratio " refers to the row definition pixel number and column split rate pixel of display resolution in the present invention
Several ratio.
Steps are as follows for the embodiment of the present invention:
101, determine that current display mode is mirror image display pattern；
102, the display resolution and touch panel device end current display resolution at computer equipment end are read；
103, touch panel device end current display resolution ranks are calculated than the display resolution row with computer equipment end
The difference of column ratio；
104, when the 103 difference results calculated are negative value, step 105 is executed；
105, touch screen touch-control row coordinate is corrected,
Row coordinates correction formula:
Wherein X is touch screen touch-control row coordinate after correction, and x is school
Just preceding touch screen touch-control row coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer
The column split rate pixel number of equipment end display resolution, r1For the row definition pixel of touch panel device end current display resolution
Number, r2For the row definition pixel number of computer equipment end display resolution；
106, when the 103 difference results calculated are positive value, step 107 is executed；
107, touch screen touch-control column coordinate is corrected,
Row coordinates correction formula:
Wherein Y is touch screen touch-control column coordinate after correction, and y is school
Just preceding touch screen touch-control column coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer
The column split rate pixel number of equipment end display resolution, r1For the row definition pixel of touch panel device end current display resolution
Number, r2For the row definition pixel number of computer equipment end display resolution.
Here is a calculating correction example:
1) display resolution at computer equipment end is 1920*1080, and touch panel device end current display resolution is
1280*1024, the displaing coordinate of touch point are (1500,659)；
2) touch panel device end current display resolution ranks ratio=1280/1024=1.25
The display resolution ranks ratio=1920/1080=1.78 at computer equipment end
3) I1.25-1.78I=0.53 > 0.05
Difference of the touch panel device end current display resolution ranks than the display resolution ranks ratio with computer equipment end
It is worth absolute value and is greater than threshold value of the resolution ratio ranks than difference, and touch panel device end current display resolution ranks ratio and computer
The difference of the display resolution ranks ratio of equipment end is negative value, therefore is corrected to touch screen touch-control row coordinate；
4) the touch screen touch-control row coordinate after correcting:
X=1280/2+ (1500-1280/2) * 1280*1080/ (1920*1024)=1245 is corrected, touch point
Actual coordinate is (1245,659), and displaing coordinate point and actual touch spots can be overlapped.
Those skilled in the art do not depart from essence and spirit of the invention, can there are many deformation scheme realize the present invention,
The foregoing is merely preferably feasible embodiments of the invention, and not thereby limiting the scope of the invention, all with this
The variation of equivalent structure made by description of the invention and accompanying drawing content, is intended to be included within the scope of the present invention.
Claims (6)
1. the bearing calibration of touch-control coordinate under a kind of mirror image display pattern, which is characterized in that comprising steps of
A1, touch panel device end determine whether current display mode is mirror image pattern, if it is read computer equipment end
Display resolution and touch panel device end current display resolution；
A2, threshold value of the resolution ratio ranks than difference is set；
If A3, touch panel device end current display resolution ranks are than the display resolution ranks ratio with computer equipment end
Absolute difference than the threshold value of difference, is not then corrected touch panel device touch-control coordinate no more than resolution ratio ranks, if
Absolute difference of the touch panel device end current display resolution ranks than the display resolution ranks ratio with computer equipment end
Threshold value greater than resolution ratio ranks than difference is then corrected touch panel device touch-control coordinate.
2. the bearing calibration of touch-control coordinate under mirror image display pattern according to claim 1, which is characterized in that the step
A3 is comprising steps of if touch panel device end current display resolution ranks are than the display resolution ranks with computer equipment end
The absolute difference of ratio be greater than resolution ratio ranks than difference threshold value, and touch panel device end current display resolution ranks ratio with
When the difference of the display resolution ranks ratio at computer equipment end is positive value, touch screen touch-control column coordinate is corrected.
3. the bearing calibration of touch-control coordinate under mirror image display pattern according to claim 1, which is characterized in that the step
A3 is comprising steps of if touch panel device end current display resolution ranks are than the display resolution ranks with computer equipment end
The absolute difference of ratio be greater than resolution ratio ranks than difference threshold value, and touch panel device end current display resolution ranks ratio with
When the difference of the display resolution ranks ratio at computer equipment end is negative value, touch screen touch-control row coordinate is corrected.
4. the bearing calibration of touch-control coordinate under mirror image display pattern according to claim 2, which is characterized in that by following public
Formula is corrected touch screen touch-control column coordinate:
Wherein Y is touch screen touch-control column coordinate after correction, and y is before correcting
Touch screen touch-control column coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer equipment
Hold the column split rate pixel number of display resolution, r1For the row definition pixel number of touch panel device end current display resolution, r2
For the row definition pixel number of computer equipment end display resolution.
5. the bearing calibration of touch-control coordinate under mirror image display pattern according to claim 3, which is characterized in that by following public
Formula is corrected touch screen touch-control row coordinate:
Wherein X is touch screen touch-control row coordinate after correction, and x is before correcting
Touch screen touch-control row coordinate, c1For the column split rate pixel number of touch panel device end current display resolution, c2For computer equipment
Hold the column split rate pixel number of display resolution, r1For the row definition pixel number of touch panel device end current display resolution, r2
For the row definition pixel number of computer equipment end display resolution.
6. the bearing calibration of touch-control coordinate under mirror image display pattern according to claim 1, it is characterised in that: medium-res line
The threshold value arranged than difference is set as 0.05.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711069274.6A CN109753171A (en) | 2017-11-03 | 2017-11-03 | The bearing calibration of touch-control coordinate under a kind of mirror image display pattern |
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| CN201711069274.6A CN109753171A (en) | 2017-11-03 | 2017-11-03 | The bearing calibration of touch-control coordinate under a kind of mirror image display pattern |
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| CN105094631A (en) * | 2014-05-08 | 2015-11-25 | 北大方正集团有限公司 | Writing-brush stroke calibration method and apparatus based on touch screen |
| CN105786235A (en) * | 2014-12-26 | 2016-07-20 | 联想(北京)有限公司 | Data processing method and electronic device |
| CN105988860A (en) * | 2015-01-20 | 2016-10-05 | 纬创资通股份有限公司 | Method for executing application program and mobile device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103155585A (en) * | 2010-07-12 | 2013-06-12 | 欧普斯梅迪库斯股份有限公司 | Systems and methods for networked in-context, high-resolution image viewing |
| US20130050122A1 (en) * | 2011-08-31 | 2013-02-28 | You-Jin KANG | Controlling user equipment as touch pad for external device connected thereto |
| CN105094631A (en) * | 2014-05-08 | 2015-11-25 | 北大方正集团有限公司 | Writing-brush stroke calibration method and apparatus based on touch screen |
| CN105786235A (en) * | 2014-12-26 | 2016-07-20 | 联想(北京)有限公司 | Data processing method and electronic device |
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Application publication date: 20190514 |