CN110262705B - Positioning method, positioning device and electronic equipment - Google Patents
Positioning method, positioning device and electronic equipment Download PDFInfo
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- CN110262705B CN110262705B CN201910551047.XA CN201910551047A CN110262705B CN 110262705 B CN110262705 B CN 110262705B CN 201910551047 A CN201910551047 A CN 201910551047A CN 110262705 B CN110262705 B CN 110262705B
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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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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Abstract
The application provides a positioning method, a positioning device and electronic equipment, and relates to the technical field of touch screen display. According to the method and the device, whether the touch point corresponding to the touch operation of the user is located in the sensor area corresponding to the boundary of the display area or not is judged, when the touch point is located in the sensor area, parameter compensation is carried out on the target virtual corner area closest to the target sensor according to the first parameter of the sensor around the target sensor corresponding to the touch point, and then the target display coordinate corresponding to the touch point is determined according to the first parameter of each sensor in the touch screen after compensation and the second parameter of the display area, so that the display position positioning precision and the corresponding touch control precision of the touch screen responding to the touch operation at the display boundary position are improved, the use experience of the user is improved, and the touch screen can correspondingly display a standard boundary contour line when the user touches and slides along the boundary of the display area.
Description
Technical Field
The application relates to the technical field of touch screen display, in particular to a positioning method, a positioning device and electronic equipment.
Background
In the prior art, a touch screen system generally employs a touch network formed based on a sensor arrangement to sense a touch position of a finger of a user, and displays a contour line corresponding to a touch sliding track of the user through an image Display area defined on a touch screen (e.g., a Liquid Crystal Display (LCD) type touch screen or an Active Matrix/Organic Light Emitting Diode (AMOLED) type touch screen).
Currently, when a user touches the touch screen, the touch screen system generally converts physical coordinates of a finger touch position into corresponding display coordinates on an image display area directly according to current capacitance sensing quantities of sensors in the touch screen, and accordingly displays the position. The positioning accuracy of the touch display position determining method is not high, so that the touch accuracy of the touch screen system is not high, the use experience of the touch screen of a user is influenced, and when the user touches and slides along the boundary of the image display area, the outline corresponding to the boundary displayed by the touch screen is in an irregular concave-convex curve shape instead of a standard boundary pattern.
Disclosure of Invention
In order to overcome the above disadvantages in the prior art, an object of the present application is to provide a positioning method, a positioning device, and an electronic device, which can improve the positioning accuracy of a display position of a touch screen at a boundary position of a display area in response to a touch operation and the corresponding touch accuracy, improve the user experience, and enable the touch screen to correspondingly display a standard boundary contour line when the user performs a touch sliding along the boundary of the display area.
As a method, an embodiment of the present application provides a positioning method, which is applied to an electronic device including a touch screen, where the touch screen includes a display area and a plurality of virtual corner areas located around the display area, and the method includes:
responding to touch operation, and determining physical coordinates of corresponding touch points on the touch screen;
judging whether the touch point is positioned in the sensor area corresponding to the display area and the boundary according to the physical coordinate;
if the touch point is located in the sensor area, acquiring first parameters of sensors around a target sensor corresponding to the touch point in the display area, and performing parameter compensation on all sensors distributed in a target virtual corner area closest to the target sensor according to the acquired first parameters;
and determining target display coordinates of the touch point on the touch screen according to the compensated first parameters of the sensors in the touch screen and the compensated second parameters of the display area.
As for an apparatus, an embodiment of the present application provides a positioning apparatus, where the apparatus is applied to an electronic device including a touch screen, where the touch screen includes a display area and a plurality of virtual corner areas located around the display area, and the apparatus includes:
the touch determination module is used for responding to touch operation and determining the physical coordinates of the corresponding touch points on the touch screen;
the boundary judging module is used for judging whether the touch point is positioned in the sensor area corresponding to the display area and the boundary according to the physical coordinate;
the parameter adjusting module is used for acquiring first parameters of sensors around a target sensor corresponding to the touch point in the display area when the touch point is located in the sensor area, and performing parameter compensation on all the sensors distributed in a target virtual corner area closest to the target sensor according to the acquired first parameters;
and the position determining module is used for determining target display coordinates of the touch point on the touch screen according to the compensated first parameters of the sensors in the touch screen and the compensated second parameters of the display area.
With respect to the device, an embodiment of the present application provides an electronic device, where the electronic device includes a touch screen, a processor, and a memory storing program instructions, and the electronic device executes the program instructions through the processor to implement the above positioning method, where the touch screen includes a display area and a plurality of virtual corner areas located around the display area.
Compared with the prior art, the method has the following beneficial effects:
when receiving a touch operation of a user on a touch screen, the method judges whether a touch point corresponding to the touch operation is positioned in a sensor area corresponding to a boundary of a display area, adjusts parameters of all sensors distributed in a target virtual corner area closest to a target sensor in the touch screen according to a first parameter of a sensor at the periphery of the target sensor corresponding to the touch point in the display area, and determines a target display coordinate of the touch point when performing image display on the touch screen according to the compensated first parameter of each sensor in the touch screen and a second parameter of the display area, thereby improving the display position positioning precision and the corresponding touch precision of the touch screen responding to the touch operation at the position of the display boundary, improving the use experience of the user, and enabling the touch screen to perform touch sliding along the boundary of the display area when the user touches and slides, and correspondingly displaying standard boundary contour lines. The first parameter is a capacitance induction quantity of a corresponding sensor, and the second parameter is an area size of the display area.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope of the present application, and those skilled in the art can also obtain other related drawings based on the drawings without creative efforts.
Fig. 1 is a block diagram of an electronic device according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a sensor distribution of a touch screen according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of a positioning method according to an embodiment of the present application;
FIG. 4 is a flowchart illustrating the sub-steps included in step S230 of FIG. 3;
FIG. 5 is a flowchart illustrating the sub-steps included in step S240 in FIG. 3;
FIG. 6 is a schematic flow chart of the sub-steps included in the sub-step S242 in FIG. 5;
fig. 7 is another schematic flow chart of a positioning method according to an embodiment of the present application;
FIG. 8 is a flowchart illustrating the sub-steps included in step S270 of FIG. 7;
fig. 9 is a block diagram illustrating a positioning apparatus according to an embodiment of the present disclosure.
Icon: 10-an electronic device; 11-a memory; 12-a processor; 13-a touch screen; 100-a positioning device; 110-a touch determination module; 120-a boundary judgment module; 130-parameter adjustment module; 140-position determination module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, provided in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely a selection of embodiments to better illustrate the technical content of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a block diagram of an electronic device 10 according to an embodiment of the present disclosure. In this embodiment of the application, the electronic device 10 includes a touch screen 13, and the electronic device 10 senses a finger touch operation of a user through the touch screen 13 and displays a line trace corresponding to the touch operation of the user through the touch screen 13. The electronic device 10 may be a handheld device or a wearable device, where the handheld device includes any one of a handheld interphone, a handheld remote controller, a handheld computer, and a handheld repeater, and the wearable device includes any one of a bracelet and a watch; the touch screen 13 may be, but is not limited to, an LCD touch screen, an AMOLED touch screen, or the like.
In this embodiment, the electronic device 10 may further include a positioning device 100, a memory 11 and a processor 12, where the memory 11, the processor 12 and the touch screen 13 are electrically connected to each other directly or indirectly to implement data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines.
In this embodiment, the touch screen 13 includes a rectangular touch sensing area formed by splicing a plurality of square sensors, where the rectangular touch sensing area includes a display area and a plurality of virtual corner areas located at the periphery of the display area, where the display area is an area for image display on the touch screen 13, and the virtual corner areas are areas located at the periphery of the display area on the touch screen 13 and located at diagonal positions of the rectangular touch sensing area, where the areas do not participate in image display. The boundary shape of the display area may be any one of a circle, an ellipse, a regular pentagon, a regular hexagon and a regular octagon. In an implementation manner of this embodiment, the display area is a circular area (e.g., the circular display area in fig. 2), and the virtual corner areas are areas distributed around the boundary of the circular area (e.g., four virtual corner areas in fig. 2).
In the present embodiment, the display area is distributed with a plurality of sensors (for example, sensors B2-B5, sensors C2-C7, sensors D2-D7, sensors E2-E7, sensors F2-F7, and sensors G2-G5 in fig. 2) that do not intersect with the boundary of the display area, and a plurality of sensors (for example, sensors a1-a4 and sensors B1, C1, D1, E1 in fig. 2) that intersect with the boundary of the display area and have most of their sensor areas located in the display area, in the corresponding touch sensing area of the touch screen 13.
Each virtual corner area is distributed with a plurality of first sensors and at least one second sensor in a corresponding touch sensing area of the touch screen 13. Wherein the first sensor is a sensor (e.g., sensors # 3 and #2 in fig. 2) that intersects a boundary of the display area and a majority of the sensor area is outside the display area, and the second sensor is a sensor (e.g., sensor # 1 in fig. 2) that does not intersect a boundary of the display area except the first sensor within the virtual corner area. The preset first parameter of the first sensor and the preset first parameter of the second sensor are both 0, wherein the first parameter is the capacitance induction quantity of the corresponding sensor.
It is understood that the distribution of sensors and the number of sensors shown in fig. 2 are only one sensor arrangement of the touch screen 13, and other sensor arrangements and/or the number of sensors can be adopted to construct the touch screen 13. For example, the touch screen 13 may select 81 sensors and construct the touch screen 13 according to a 9 × 9 sensor distribution; the touch screen 13 may pick up 72 sensors and construct the touch screen 13 in an 8 x 9 or 9 x 8 sensor distribution.
Meanwhile, the shape of the display area shown in fig. 2 is also only one display arrangement of the touch screen 13, and the boundary contour of the display area may also be defined by an arrangement of other display shapes (for example, an ellipse, a regular pentagon, or a regular hexagon).
In this embodiment, the memory 11 is a non-volatile memory, and the memory 11 may be configured to store a value configuration range of a second parameter of the display area on the touch screen 13 and a current specific value of the second parameter, where the second parameter is an area size of the display area, and the specific value is located in the value configuration range. For example, when the display area is a circular area, the second parameter is a corresponding area radius; and when the display area is a regular pentagon area or a regular hexagon area, the second parameter is the side length of the area corresponding to the display area. The memory 11 may also be used for storing computer instructions or a computer program which the processor 12, upon receiving execution instructions, may execute accordingly.
In this embodiment, the processor 12 may be an integrated circuit chip having signal processing capabilities. The Processor 12 may be a general-purpose Processor including a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a Network Processor (NP), and the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like that implements or executes the methods, steps and logic blocks disclosed in the embodiments of the present application.
In the present embodiment, the positioning apparatus 100 includes at least one software functional module capable of being stored in the memory 11 in the form of software or firmware or being solidified in the operating system of the electronic device 10. The processor 12 may be used to execute executable modules stored by the memory 11, such as software functional modules and computer programs included in the positioning device 100. The electronic device 10 can improve the display position positioning accuracy and the corresponding touch control accuracy of the touch screen 13 responding to the touch operation at the display boundary position through the positioning device 100, improve the user experience of the user, and enable the touch screen 13 to correspondingly display the standard boundary contour lines when the user performs touch sliding along the boundary of the display area.
It is understood that the block diagram shown in fig. 1 is merely a schematic diagram of one structural component of the electronic device 10, and that the electronic device 10 may include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
Fig. 3 is a schematic flow chart of a positioning method according to an embodiment of the present application. In the embodiment of the present application, the positioning method is applied to the electronic device 10 including the touch screen 13, where the touch screen 13 includes a display area formed by sensors and a plurality of virtual corner areas located at the periphery of the display area. The specific process and steps of the positioning method shown in fig. 3 are explained in detail below.
Step S210, determining the physical coordinates of the corresponding touch point on the touch screen 13 in response to the touch operation.
In this embodiment, the electronic device 10 may determine, according to a capacitance sensing amount variation condition of each sensor corresponding to the display area, a physical coordinate of a touch point corresponding to a touch operation on the touch screen 13 by monitoring whether a capacitance sensing amount of each sensor corresponding to the display area varies in real time, where the physical coordinate is used to represent an actual touch position of the touch operation on the touch screen 13.
Optionally, when the user performs touch sliding in the screen area of the touch screen 13 corresponding to the display area, the capacitance sensing amount of the sensor in the touch screen 13 corresponding to the touch position changes in a numerical value, and then the electronic device 10 uses the actual physical position of the sensor with the largest change amplitude of the sensing amount value as the physical coordinate of the touch point corresponding to the touch operation.
And step S220, judging whether the touch point is positioned in a sensor area corresponding to the display area and the boundary according to the physical coordinates.
In this embodiment, after the electronic device 10 determines the physical coordinates of the touch point corresponding to the touch operation, the electronic device 10 performs position matching on the physical coordinates and each sensor related to the boundary of the preset display area, and determines that the touch point is located in the sensor area corresponding to the boundary of the display area when the positions are matched.
Taking the touch panel 13 shown in fig. 2 as an example, if the sensor region corresponding to the boundary of the circular display region in the touch panel 13 shown in fig. 2 includes sensors a1, B1, C1, B2, C2, a4, B6, C8, B5, C7, F1, G1, H1, F2, G2, F8, G6, H4, F7, and G5, the electronic device 10 performs position matching between the physical coordinates of the touch point and each sensor included in the sensor region to determine whether the touch point is located in the sensor region corresponding to the boundary.
When the touch point is located in the sensor area corresponding to the boundary of the display area, the electronic device 10 may perform steps S230 and S240.
Step S230, obtaining a first parameter of a sensor around a target sensor corresponding to the touch point in the display area, and performing parameter adjustment on all sensors distributed in a target virtual corner area closest to the target sensor according to the obtained first parameter.
In this embodiment, when the electronic device 10 determines that the touch point corresponding to the touch operation is located in the sensor region corresponding to the boundary, the electronic device 10 performs capacitance induction amount compensation on all sensors in the target virtual corner region closest to the periphery of the target sensor based on the current capacitance induction amounts of other sensors located in the periphery of the target sensor corresponding to the touch point in the touch induction region corresponding to the display region.
Optionally, please refer to fig. 4, which is a flowchart illustrating the sub-steps included in step S230 in fig. 3. In this embodiment, the step S230 includes a sub-step S231, a sub-step S232, and a sub-step S233.
And a substep S231, determining, for each first sensor in the target virtual corner region, a plurality of comparison sensors corresponding to the first sensor, which are located around the target sensor in the display region, according to a mirror image comparison algorithm, and calculating an induction compensation value of the first sensor according to capacitance induction corresponding to each of the plurality of comparison sensors.
In this embodiment, the electronic device 10 selects, as the comparison sensor corresponding to the first sensor, a sensor located on the same straight line as the first sensor, a sensor located on another straight line symmetrical to the target sensor, and a sensor located on the other straight line and corresponding to the first sensor, from among the sensors corresponding to the display area according to a mirror image comparison algorithm. Then, the electronic device 10 calculates the sensing amount compensation value of the first sensor according to the determined current capacitance sensing amount of each reference sensor.
Taking the touch screen 13 shown in fig. 2 as an example, if the target sensor is sensor a1 in fig. 2, the target virtual corner area corresponding to the target sensor is the virtual corner area located at the upper left corner in fig. 2, at this time, the comparison sensors of the first sensor # 3 in the target virtual corner area are sensors B1, C2, a2, B3 and C4, and the comparison sensors of the first sensor # 2 in the target virtual corner area are sensors B1, B3 and B4; if the target sensor is sensor B1 in fig. 2, the target virtual corner area corresponding to the target sensor is the virtual corner area located at the upper left corner in fig. 2, at this time, the comparison sensors of the first sensor # 3 in the target virtual corner area are sensors a1, a2, C2, C3 and C4, and the comparison sensors of the first sensor # 2 in the target virtual corner area are sensors B2, C3, D3, C1 and D1.
In one embodiment of this embodiment, the electronic device 10 calculates a ratio of the sum of the capacitance sensing amounts of the reference sensors located on the same straight line as the first sensor to the sum of the capacitance sensing amounts of the reference sensors corresponding to the positions on the other straight line, and multiplies the calculated ratio by the capacitance sensing amount of the reference sensor corresponding to the position on the other straight line and the first sensor to obtain the sensing amount compensation value of the first sensor.
Taking the touch panel 13 shown in fig. 2 as an example, if the target sensor is sensor a1 in fig. 2, the sensing amount compensation value of the first sensor # 3 in the target virtual corner region corresponding to the target sensor is equal to a value obtained by dividing the sum V of the capacitive sensing amounts of B1 and C2 (B1+ C2) by the sum V of the capacitive sensing amounts of B3 and C4 (B3+ C4) and multiplying the sum V of the capacitive sensing amounts of a2 (a2), that is, the sensing amount compensation value of the first sensor # 3 is equal to V (B1+ C2)/V (B3+ C4) × V (a 2).
And a substep S232, for each second sensor in the target virtual corner region, calculating an induction compensation value of the second sensor according to the induction association relationship between the second sensor and each first sensor and the induction compensation value of each first sensor.
In this embodiment, after the electronic device 10 determines the sensing amount compensation value of each first sensor in the target virtual corner area, the sensing amount compensation value of each second sensor in the target virtual corner area is calculated according to the sensing association relationship between each second sensor in the target virtual corner area and each first sensor.
Taking the touch screen 13 shown in fig. 2 as an example, if the target sensor is the sensor a1 in fig. 2, the target virtual corner area corresponding to the target sensor is the virtual corner area located at the upper left corner in fig. 2, and at this time, the electronic device 10 calculates the induction compensation value of the second sensor # 1 according to the induction association relationship between the second sensor # 1 and the first sensor # 3 and the first sensor # 2 in the target virtual corner area, where the value of the induction compensation value of the second sensor # 1 is equal to the average value between the induction compensation value of the first sensor # 3 and the induction compensation value of the first sensor # 2.
And a substep S233 of performing capacitance induction compensation on the corresponding sensor in the target virtual corner region according to the calculated induction compensation value of each sensor.
In this embodiment, after obtaining the compensation value of the sensing amount of each sensor in the target virtual corner area, the electronic device 10 performs capacitance sensing amount compensation on the sensor corresponding to the position in the target virtual corner area according to the obtained compensation value of the sensing amount, so that the electronic device 10 calculates an initial display coordinate corresponding to the touch point according to the compensated capacitance sensing amount of each sensor in the touch screen 13, and the initial display coordinate is located in the range of the circumscribed square area corresponding to the preset maximum display area on the touch screen 13. The initial display coordinates are screen display coordinates which are preliminarily calculated by the electronic device 10 for a touch point and are used for indicating the electronic device to display a screen on the touch screen 13, and the preset maximum display area is a display area which is within the range of the square touch sensing area of the touch screen 13 and is internally tangent to the square touch sensing area.
Step S240, determining a target display coordinate of the touch point on the touch screen 13 according to the compensated first parameter of each sensor in the touch screen 13 and the compensated second parameter of the display area.
In this embodiment, the second parameter is a region size corresponding to the display region, and the value thereof has different configuration requirements according to the shape of the display region, for example, when the display region is a circular region, the corresponding second parameter is a region radius; and when the display area is a regular hexagon area, the corresponding second parameter is the area side length.
Optionally, please refer to fig. 5, which is a flowchart illustrating the sub-steps included in step S240 in fig. 3. In this embodiment, the step S240 includes a sub-step S241 and a sub-step S242.
And a substep S241, calculating the corresponding initial display coordinates of the touch point on the touch screen 13 according to the compensated capacitance induction of each sensor in the touch screen 13.
In this embodiment, after the sensing amount compensation operation corresponding to step S230 is performed, the electronic device 10 calculates initial display coordinates of the touch point when performing screen display on the touch screen 13 according to the compensated current capacitance sensing amount of each sensor in the touch screen 13.
And a substep S242, processing the initial display coordinate according to the second parameter and the center coordinate of the display area to obtain a corresponding target display coordinate.
In this embodiment, the electronic device 10 may process the initial display coordinate according to the second parameter and the center coordinate of the display area, and determine a final corresponding target display coordinate of the touch point in the display process.
Optionally, please refer to fig. 6, which is a flowchart illustrating the sub-steps included in the sub-step S242 in fig. 5. In the present embodiment, the step S242 may include a substep S2421, a substep S2422, a substep S2423, a substep S2424 and a substep S2425.
And a substep S2421, calculating a coordinate distance between the initial display coordinate and the center coordinate according to the initial display coordinate and the center coordinate of the display area.
In this embodiment, the center coordinates of the display area are the corresponding image display coordinates of the center position of the display area on the touch screen 13.
And a substep S2422, calculating a corresponding segment length of the ray pointing to the initial display coordinate from the center coordinate in the display area according to the second parameter.
In this embodiment, the length of the line segment is a distance between an intersection coordinate of the ray and the boundary of the display area and the center coordinate, and the distance is calculated in relation to the shape of the display area and a corresponding second parameter.
And a substep S2423 of comparing the calculated coordinate distance with the length of the line segment and judging whether the coordinate distance is greater than the length of the line segment.
In the present embodiment, when the coordinate distance is greater than the length of the segment, the electronic device 10 will perform sub-step S2424; when the coordinate distance is not greater than the segment length, the electronic device 10 will perform substep S2425.
And a substep S2424, taking the mapping coordinate corresponding to the initial display coordinate on the boundary of the display area as the target display coordinate.
In this embodiment, if the coordinate distance is greater than the length of the line segment, it indicates that the initial display coordinate exceeds the display range of the display area, and the electronic device 10 selects a mapping coordinate corresponding to the initial display coordinate on the boundary of the display area as the target display coordinate, where the mapping coordinate is an intersection coordinate of the ray and the boundary of the display area at this time.
And a substep S2425 of using the initial display coordinates as the target display coordinates.
In this embodiment, if the coordinate distance is not greater than the segment length, it indicates that the initial display coordinate does not exceed the display range of the display area, and the electronic device 10 directly selects the initial display coordinate as the target display coordinate.
In an implementation manner of this embodiment, when the display area is a circular area and the second parameter is an area radius of the display area, the length of the segment is the area radius.
In this embodiment of the application, after the electronic device 10 determines the target display coordinates of the touch point corresponding to the touch operation of the user, the electronic device 10 may perform image display on the touch point on the touch screen 13 according to the target display coordinates, so that the user can perceive a touch display image with high touch precision, and user experience is improved. The electronic device 10 may further enable the touch screen 13 to normally display a corresponding standard boundary contour line when the user performs a touch sliding along the boundary of the display area on the touch screen 13.
In one implementation manner of the embodiment of the present application, when the electronic device 10 finishes performing the step 220 and determines that the touch point is not located in the sensor area corresponding to the boundary of the display area, the positioning method further includes a step S250.
Step S250, calculating target display coordinates of the touch point on the touch screen 13 according to the current first parameter of each sensor in the touch screen 13.
In this embodiment, when the electronic device 10 determines that the touch point is not located in the sensor region corresponding to the boundary of the display region, indicating that the touch point is located in the sensor region close to the center of the display region, the electronic device 10 may directly calculate the initial display coordinates currently corresponding to the touch point according to the current capacitance induction of each sensor in the touch screen 13, and directly use the initial display coordinates as the target display coordinates corresponding to the touch point.
Then, the electronic device 10 may also perform screen display according to the target display coordinates correspondingly.
Optionally, please refer to fig. 7, which is another schematic flow chart of the positioning method according to the embodiment of the present application. In another implementation manner of the embodiment of the present application, when the electronic device 10 finishes performing the step 220 and determines that the touch point is not located in the sensor area corresponding to the boundary of the display area, the positioning method may further include steps S270 and S280.
Step S270, acquiring first parameters of the sensors around the target virtual corner area and located in the display area, and adjusting the parameters of all the sensors distributed in the target virtual corner area according to the acquired first parameters.
In this embodiment, when the touch point is not located in the sensor area corresponding to the boundary of the display area, the electronic device 10 selects a target virtual corner area closest to the target sensor corresponding to the touch point to perform capacitance sensing amount compensation, and at this time, the electronic device 10 obtains the capacitance sensing amount of the sensor located in the display area around the target virtual corner area to implement capacitance sensing amount compensation operation.
Optionally, please refer to fig. 8, which is a flowchart illustrating the sub-steps included in step S270 in fig. 7. In this embodiment, the step S270 includes a sub-step S271, a sub-step S272, and a sub-step S273.
And a substep S271, for each first sensor in the target virtual corner region, obtaining the capacitance induction of the plurality of sensors in the display region, which are in contact with the first sensor, and calculating an induction compensation value of the first sensor according to the obtained capacitance induction.
In this embodiment, after acquiring the capacitance sensing quantities of the plurality of sensors located in the display area and in contact with a certain first sensor, which correspond to the first sensor, the electronic device 10 performs an average calculation on the acquired capacitance sensing quantities of the plurality of sensors, and uses the calculated sensing quantity value as the sensing quantity compensation value of the first sensor.
Taking the touch screen 13 shown in fig. 2 as an example, when the target virtual corner area is the virtual corner area located at the upper left corner in fig. 2, the sensing amount compensation value of the first sensor # 3 in the target virtual corner area is equal to the average value between the capacitive sensing amount of the sensor a1 and the capacitive sensing amount of the sensor B1, and the sensing amount compensation value of the first sensor # 2 in the target virtual corner area is equal to the average value between the capacitive sensing amount of the sensor B1 and the capacitive sensing amount of the sensor C1.
And a substep S272, for each second sensor in the target virtual corner region, calculating an induction compensation value of the second sensor according to the induction association relationship between the second sensor and each first sensor and the induction compensation value of each first sensor.
In this embodiment, after the electronic device 10 determines the sensing amount compensation value of each first sensor in the target virtual corner area, the sensing amount compensation value of each second sensor in the target virtual corner area is calculated according to the sensing association relationship between each second sensor in the target virtual corner area and each first sensor.
Taking the touch screen 13 shown in fig. 2 as an example, when the target virtual corner area is the virtual corner area located at the upper left corner in fig. 2, the electronic device 10 calculates the sensing amount compensation value of the second sensor # 1 to be equal to the average value between the sensing amount compensation value of the first sensor # 3 and the sensing amount compensation value of the first sensor # 2 according to the sensing association relationship between the second sensor # 1 and the first sensor # 3 and the first sensor # 2 in the target virtual corner area.
And a substep S273 of performing capacitance induction compensation on the corresponding sensor in the target virtual corner region according to the calculated induction compensation value of each sensor.
Step S280, calculating target display coordinates of the touch point on the touch screen 13 according to the compensated first parameters of the sensors in the touch screen 13.
In this embodiment, since the touch point is located in the sensor area near the center of the display area, after the sensing amount compensation operation corresponding to step S270 is performed by the electronic device 10, the initial display coordinates of the touch point when displayed on the touch screen 13 are calculated according to the compensated current capacitance sensing amount of each sensor in the touch screen 13, and the initial display coordinates are directly used as the corresponding target display coordinates.
Then, the electronic device 10 may also perform screen display according to the target display coordinates correspondingly.
In this embodiment, by executing the above positioning method, the electronic device 10 can improve the positioning accuracy of the display position of the touch screen 13 at the display boundary position in response to the touch operation and the corresponding touch accuracy, improve the user experience of the user, and enable the touch screen 13 to correspondingly display a standard boundary contour line when the user performs touch sliding along the boundary of the display area.
Fig. 9 is a block diagram of a positioning apparatus 100 according to an embodiment of the present disclosure. In the embodiment of the present application, the positioning device 100 includes a touch determination module 110, a boundary determination module 120, a parameter adjustment module 130, and a position determination module 140.
The touch determining module 110 is configured to determine physical coordinates of a corresponding touch point on the touch screen 13 in response to a touch operation.
In this embodiment, the touch determination module 110 may execute step S210 in fig. 3, and the specific execution process may refer to the above detailed description of step S210.
The boundary determining module 120 is configured to determine whether the touch point is located in a sensor area corresponding to the boundary of the display area according to the physical coordinate.
In this embodiment, the boundary determining module 120 may execute step S220 in fig. 3, and the specific execution process may refer to the above detailed description of step S220.
The parameter adjusting module 130 is configured to, when the touch point is located in the sensor region, obtain a first parameter of sensors around a target sensor corresponding to the touch point in the display region, and perform parameter adjustment on all sensors distributed in a target virtual corner region closest to the target sensor according to the obtained first parameter.
In this embodiment, the first parameter is a capacitance sensing amount of the corresponding sensor, and the parameter adjusting module 130 may perform step S230 in fig. 3, and sub-steps S231, S232, and S233 in fig. 4, and the specific implementation process may refer to the above detailed description of step S230, sub-step S231, sub-step S232, and sub-step S233.
The position determining module 140 is configured to determine a target display coordinate of the touch point on the touch screen 13 according to the compensated first parameter of each sensor in the touch screen 13 and the compensated second parameter of the display area.
In this embodiment, the second parameter is the region size of the display region, and the position determining module 140 may execute step S240 in fig. 3, and sub-step S241 and sub-step S242 in fig. 5, and sub-step S2421, sub-step S2422, sub-step S2423, sub-step S2424, and sub-step S2425 in fig. 6, where the specific execution process may refer to the detailed description of step S240, sub-step S241, sub-step S242, sub-step S2421, sub-step S2422, sub-step S2423, sub-step S2424, and sub-step S2425.
In an implementation manner of the embodiment of the present application, when the touch point is not located in the sensor area, the position determining module 140 is further configured to calculate an initial display coordinate of the touch point when the touch point is displayed on the touch screen 13 according to a current first parameter of each sensor in the touch screen 13, and directly use the initial display coordinate as a target display coordinate corresponding to the touch point.
The position determining module 140 may further perform step S250 in fig. 3, and the specific implementation process may refer to the above detailed description of step S250.
In another implementation manner of the embodiment of the present application, when the touch point is not located in the sensor area, the parameter adjusting module 130 is further configured to obtain a first parameter of sensors located in the display area around the target virtual corner area, and perform parameter adjustment on all sensors distributed in the target virtual corner area according to the obtained first parameter.
In this embodiment, the position determining module 140 is further configured to calculate an initial display coordinate of the touch point when the touch point is displayed on the touch screen 13 according to the compensated first parameter of each sensor in the touch screen 13, and directly use the initial display coordinate as the target display coordinate corresponding to the touch point.
The parameter adjusting module 130 may further perform step S270 in fig. 7 and sub-steps S271, S272, and S273 in fig. 8, and the specific implementation process may refer to the above detailed description of step S270, S271, S272, and S273; the position determining module 140 may further perform step S280 in fig. 7, and the specific implementation process may refer to the above detailed description of step S280.
In summary, in the positioning method, the positioning apparatus, and the electronic device provided in the present application, when a touch operation of a user on a touch screen is received, it is determined whether a touch point corresponding to the touch operation is located in a sensor region corresponding to a boundary of a display region, and when the touch point is located, according to a first parameter of a sensor around a target sensor corresponding to the touch point in the display region, parameter adjustment is performed on all sensors distributed in a target virtual corner region closest to the target sensor in the touch screen, and then according to the compensated first parameter of each sensor in the touch screen and a second parameter of the display region, a target display coordinate of the touch point when the touch point is displayed on the touch screen is determined, so as to improve a display position positioning accuracy and a corresponding touch accuracy of the touch screen at a display boundary position in response to the touch operation, the use experience of a user is improved, and the touch screen can correspondingly display standard boundary contour lines when the user touches and slides along the boundary of the display area. The first parameter is a capacitance induction quantity of a corresponding sensor, and the second parameter is an area size of the display area.
The above description is only for various embodiments of the present application, but the scope of the present application is not limited thereto, and any modifications or equivalent substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application.
Claims (16)
1. A positioning method is applied to an electronic device comprising a touch screen, wherein the touch screen comprises a display area and a plurality of virtual corner areas located at the periphery of the display area, and the method comprises the following steps:
responding to touch operation, and determining physical coordinates of corresponding touch points on the touch screen;
judging whether the touch point is positioned in the sensor area corresponding to the display area and the boundary according to the physical coordinates;
if the touch point is located in the sensor area, acquiring first parameters of sensors around a target sensor corresponding to the touch point in the display area, and performing parameter adjustment on all sensors distributed in a target virtual corner area closest to the target sensor according to the acquired first parameters;
and determining target display coordinates of the touch point on the touch screen according to the compensated first parameters of the sensors in the touch screen and the compensated second parameters of the display area.
2. The method according to claim 1, wherein the first parameter is a capacitance sensing amount of a corresponding sensor, a plurality of first sensors and at least one second sensor are distributed in each virtual corner area, the obtaining of the first parameter of the sensors around the target sensor corresponding to the touch point in the display area, and the performing of parameter adjustment on all the sensors distributed in the target virtual corner area closest to the target sensor according to the obtained first parameter includes:
aiming at each first sensor in the target virtual corner area, determining a plurality of comparison sensors which are positioned at the periphery of the target sensor and correspond to the first sensor in the display area according to a mirror image comparison algorithm, and calculating an induction quantity compensation value of the first sensor according to capacitance induction quantities corresponding to the comparison sensors;
calculating an induction quantity compensation value of each second sensor in the target virtual corner area according to the induction association relation between the second sensor and each first sensor and the induction quantity compensation value of each first sensor;
and according to the calculated induction compensation value of each sensor, carrying out capacitance induction compensation on the corresponding sensor in the target virtual corner area.
3. The method of claim 2, wherein the second parameter is a size of the display area, and the determining the target display coordinates of the touch point on the touch screen according to the compensated first parameter of each sensor in the touch screen and the compensated second parameter of the display area comprises:
calculating the corresponding initial display coordinates of the touch point on the touch screen according to the compensated capacitance induction quantity of each sensor in the touch screen;
and processing the initial display coordinate according to the second parameter and the central coordinate of the display area to obtain a corresponding target display coordinate.
4. The method of claim 3, wherein the processing the initial display coordinates according to the second parameter and the center coordinates of the display area to obtain corresponding target display coordinates comprises:
calculating a coordinate distance between the initial display coordinate and the center coordinate according to the initial display coordinate and the center coordinate of the display area;
calculating the length of a line segment corresponding to a ray pointing to the initial display coordinate from the center coordinate in the display area according to the second parameter;
comparing the coordinate distance obtained by calculation with the length of the line segment, and judging whether the coordinate distance is greater than the length of the line segment;
when the coordinate distance is not larger than the length of the line segment, taking the initial display coordinate as the target display coordinate;
and when the coordinate distance is larger than the length of the line segment, taking the mapping coordinate corresponding to the initial display coordinate on the boundary of the display area as the target display coordinate.
5. The method according to claim 1, wherein the boundary shape of the display area comprises any one of a circle, an ellipse, a regular pentagon, a regular hexagon, and a regular octagon.
6. The method according to any one of claims 2-5, further comprising:
if the touch point is not located in the sensor area corresponding to the boundary, acquiring first parameters of sensors located in the display area and around the target virtual corner area, and performing parameter adjustment on all the sensors distributed in the target virtual corner area according to the acquired first parameters;
and calculating target display coordinates of the touch point on the touch screen according to the compensated first parameters of the sensors in the touch screen.
7. The method according to claim 6, wherein the obtaining a first parameter of the sensors located in the display area around the target virtual corner area, and performing parameter adjustment on all the sensors distributed in the target virtual corner area according to the obtained first parameter comprises:
for each first sensor in the target virtual corner area, acquiring capacitance induction quantities of a plurality of sensors which are in contact with the first sensor and located in the display area, and calculating an induction quantity compensation value of the first sensor according to the acquired capacitance induction quantities;
calculating an induction quantity compensation value of each second sensor in the target virtual corner area according to the induction association relation between the second sensor and each first sensor and the induction quantity compensation value of each first sensor;
and according to the calculated induction compensation value of each sensor, carrying out capacitance induction compensation on the corresponding sensor in the target virtual corner area.
8. A positioning device applied to an electronic device including a touch screen, wherein the touch screen includes a display area and a plurality of virtual corner areas located at the periphery of the display area, the device comprising:
the touch determination module is used for responding to touch operation and determining the physical coordinates of the corresponding touch points on the touch screen;
the boundary judging module is used for judging whether the touch point is positioned in the sensor area corresponding to the display area and the boundary according to the physical coordinate;
the parameter adjusting module is used for acquiring first parameters of sensors around a target sensor corresponding to the touch point in the display area when the touch point is located in the sensor area, and adjusting the parameters of all the sensors distributed in a target virtual corner area closest to the target sensor according to the acquired first parameters;
and the position determining module is used for determining target display coordinates of the touch point on the touch screen according to the compensated first parameters of the sensors in the touch screen and the compensated second parameters of the display area.
9. The apparatus of claim 8, wherein the first parameter is a capacitance sensing amount of a corresponding sensor, a plurality of first sensors and at least one second sensor are distributed in each of the virtual corner regions, and the parameter adjustment module is specifically configured to:
aiming at each first sensor in the target virtual corner area, determining a plurality of comparison sensors which are positioned at the periphery of the target sensor and correspond to the first sensor in the display area according to a mirror image comparison algorithm, and calculating an induction quantity compensation value of the first sensor according to capacitance induction quantities corresponding to the comparison sensors;
calculating an induction quantity compensation value of each second sensor in the target virtual corner area according to the induction association relation between the second sensor and each first sensor and the induction quantity compensation value of each first sensor;
and according to the calculated induction compensation value of each sensor, carrying out capacitance induction compensation on the corresponding sensor in the target virtual corner area.
10. The apparatus of claim 9, wherein the second parameter is a region size of the display region, and wherein the position determination module is specifically configured to:
calculating the corresponding initial display coordinates of the touch point on the touch screen according to the compensated capacitance induction quantity of each sensor in the touch screen;
and processing the initial display coordinate according to the second parameter and the central coordinate of the display area to obtain a corresponding target display coordinate.
11. The apparatus of claim 10, wherein the means for processing the initial display coordinates to obtain corresponding target display coordinates according to the second parameter and the center coordinates of the display area comprises:
calculating the coordinate distance between the initial display coordinate and the central coordinate according to the initial display coordinate and the central coordinate of the display area;
calculating the length of a line segment corresponding to a ray pointing to the initial display coordinate from the center coordinate in the display area according to the second parameter;
comparing the coordinate distance obtained by calculation with the length of the line segment, and judging whether the coordinate distance is greater than the length of the line segment;
when the coordinate distance is not larger than the length of the line segment, taking the initial display coordinate as the target display coordinate;
and when the coordinate distance is larger than the length of the line segment, taking the mapping coordinate corresponding to the initial display coordinate on the boundary of the display area as the target display coordinate.
12. The apparatus of claim 8, wherein the boundary shape of the display area comprises any one of a circle, an ellipse, a regular pentagon, a regular hexagon, and a regular octagon.
13. The apparatus according to any one of claims 9 to 12,
the parameter adjusting module is further configured to, when the touch point is not located in the sensor area corresponding to the boundary, obtain a first parameter of the sensors located in the display area around the target virtual corner area, and perform parameter adjustment on all the sensors distributed in the target virtual corner area according to the obtained first parameter;
and the position determining module is further used for calculating target display coordinates of the touch point on the touch screen according to the compensated first parameters of the sensors in the touch screen.
14. The apparatus of claim 13, wherein the parameter adjustment module is further specifically configured to:
for each first sensor in the target virtual corner area, acquiring capacitance induction quantities of a plurality of sensors which are in contact with the first sensor and located in the display area, and calculating an induction quantity compensation value of the first sensor according to the acquired capacitance induction quantities;
calculating an induction quantity compensation value of each second sensor in the target virtual corner area according to the induction association relation between the second sensor and each first sensor and the induction quantity compensation value of each first sensor;
and according to the calculated induction compensation value of each sensor, carrying out capacitance induction compensation on the corresponding sensor in the target virtual corner area.
15. An electronic device, comprising a touch screen, a processor and a memory storing program instructions, wherein the electronic device implements the positioning method according to any one of claims 1 to 7 by executing the program instructions through the processor, wherein the touch screen comprises a display area and a plurality of virtual corner areas located at the periphery of the display area.
16. The electronic device of claim 15, wherein the electronic device is a handheld device or a wearable device, wherein the handheld device includes any one of a mobile phone, a handheld computer, and a handheld interphone, and the wearable device includes any one of a bracelet and a watch.
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