CN103995788A - Method and device for controlling camera of touch screen terminal to rotate - Google Patents

Method and device for controlling camera of touch screen terminal to rotate Download PDF

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Publication number
CN103995788A
CN103995788A CN201410229124.7A CN201410229124A CN103995788A CN 103995788 A CN103995788 A CN 103995788A CN 201410229124 A CN201410229124 A CN 201410229124A CN 103995788 A CN103995788 A CN 103995788A
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China
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touch
camera
rotation
anglec
maximum
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CN201410229124.7A
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Chinese (zh)
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CN103995788B (en
Inventor
林汉斌
李陈
蓝和
关金钿
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广东欧珀移动通信有限公司
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Abstract

The invention is applicable to the technical field of touch screen terminals, and provides a method and device for controlling a camera of the touch screen terminal to rotate. The method comprises the steps that when the touch screen terminal starts the camera, detecting a touch sliding instruction, on a touch screen of the touch screen terminal, input by a user, wherein the touch sliding instruction comprises a touch sliding direction and a touch sliding distance; obtaining the maximum touch sliding distance in the touch sliding direction, and determining the rotation direction of the camera and the maximum rotation angle of the rotation direction according to the touch sliding direction; determining the rotation angle of the camera according to the maximum rotation angle, the touch sliding distance and the maximum touch sliding distance; controlling the camera to rotate according to the rotation direction of the camera and the determined rotation angle of the camera. The method greatly improves the accuracy and the operation convenience of controlling the camera of the touch screen terminal to rotate.

Description

A kind of method and device of touch screen terminal control camera rotation

Technical field

The invention belongs to touch screen terminal technical field, relate in particular to a kind of method and device of touch screen terminal control camera rotation.

Background technology

In prior art, for the touch screen terminal with rotatable camera, can only manual rotation camera, the degree of accuracy and the convenient degree that cause controlling camera rotation are low.

Summary of the invention

The object of the embodiment of the present invention is to provide a kind of method of touch screen terminal control camera rotation, to improve degree of accuracy and the convenient degree of the rotation of touch screen terminal control camera.

The embodiment of the present invention is achieved in that a kind of method of touch screen terminal control camera rotation, comprising:

In the time that described touch screen terminal starts described camera, detect the touch slip instruction that user inputs on the touch-screen of described touch screen terminal, described touch slip instruction comprises touch glide direction and touches sliding distance;

The maximum of obtaining tangible slip in described touch glide direction touches sliding distance, and determines the sense of rotation of described camera and the maximum anglec of rotation of this sense of rotation according to described touch glide direction;

Determine the anglec of rotation of described camera according to the described maximum anglec of rotation, touch sliding distance and maximum touch sliding distance;

According to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera.

Another object of the embodiment of the present invention is to provide a kind of device of touch screen terminal control camera rotation, comprising:

Touch slip command detection module, in the time that described touch screen terminal starts described camera, detect the touch slip instruction that user inputs on the touch-screen of described touch screen terminal, described touch slip instruction comprises touch glide direction and touches sliding distance;

Touch the corresponding parameter acquisition module of glide direction, touch sliding distance for the maximum of obtaining tangible slip in described touch glide direction, and determine the sense of rotation of described camera and the maximum anglec of rotation of this sense of rotation according to described touch glide direction;

The anglec of rotation determination module of camera, for determining the anglec of rotation of described camera according to the described maximum anglec of rotation, touch sliding distance and maximum touch sliding distance;

Camera rotation control module, for according to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera.

The beneficial effect that the embodiment of the present invention compared with prior art exists is: the embodiment of the present invention is by the time that touch screen terminal starts camera, detect and touch glide direction and touch sliding distance by touch-screen, determine the maximum sense of rotation that touches sliding distance and camera by touching glide direction, determined again the maximum anglec of rotation of camera by the sense of rotation of camera, calculate thus the anglec of rotation of camera, again according to the anglec of rotation control camera rotation of the sense of rotation of camera and camera, thereby the degree of accuracy of touch screen terminal control camera rotation and the convenience of operation are greatly improved.

Brief description of the drawings

In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The realization flow figure of the method that the touch screen terminal control camera that Fig. 1 shows the embodiment of the present invention to be provided rotates;

In the method that the touch screen terminal control camera that Fig. 2 shows the embodiment of the present invention to be provided rotates, touch glide direction and the schematic diagram that touches sliding distance;

The maximum schematic diagram that touches sliding distance in the method that the touch screen terminal control camera that Fig. 3 shows the embodiment of the present invention to be provided rotates;

The specific implementation process flow diagram of the method S104 that the touch screen terminal control camera that Fig. 4 shows the embodiment of the present invention to be provided rotates;

The structured flowchart of the device that the touch screen terminal control camera that Fig. 5 shows the embodiment of the present invention to be provided rotates.

Embodiment

In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.

The embodiment of the present invention is by the time that touch screen terminal starts camera, detect and touch glide direction and touch sliding distance by touch-screen, determine the maximum sense of rotation that touches sliding distance and camera by touching glide direction, determined again the maximum anglec of rotation of camera by the sense of rotation of camera, calculate thus the anglec of rotation of camera, rotate according to the anglec of rotation control camera of the sense of rotation of camera and camera again, thereby greatly improved the degree of accuracy of touch screen terminal control camera rotation and the convenience of operation.

Touch screen terminal in the embodiment of the present invention can comprise mobile phone (or being called " honeycomb " phone) and have the computing machine of touch screen terminal, for example, can be portable, pocket, hand-held, mobile device built-in computer or vehicle-mounted, they and wireless access network exchange language and/or data.For example, Personal Communications Services (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) stand, personal digital assistant (Personal Digital Assistant, the equipment such as PDA), in this no limit.

The realization flow figure of the method that the touch screen terminal control camera that Fig. 1 shows the embodiment of the present invention to be provided rotates, details are as follows:

In S101, in the time that described touch screen terminal starts described camera, detect the touch slip instruction that user inputs on the touch-screen of described touch screen terminal, described touch slip instruction comprises touch glide direction and touches sliding distance.

In the time that touch screen terminal starts camera function, camera starts.Conventionally,, after camera starts, the touch-screen of touch screen terminal shows the picture that camera is taken in real time.Touch screen terminal receives the touch slip instruction of user's input by touch-screen.With reference to Fig. 2, touching sliding trace is the solid line AB in Fig. 2, and A point is for touching the starting point of sliding, and B point is for touching the terminal of slip, touches glide direction and be line (as shown in phantom in Figure 2) that A point and B order and the angle β of x axle.Touching sliding distance can represent with s, touches sliding distance s and refers to the air line distance touching between starting point and the terminal sliding, the distance that in Fig. 2, A point and B are ordered.

In S102, the maximum of obtaining tangible slip in described touch glide direction touches sliding distance, and determines the sense of rotation of described camera and the maximum anglec of rotation of this sense of rotation according to described touch glide direction.

Wherein, the maximum touch sliding distance that touches tangible slip in glide direction can be used s maxrepresent, the maximum anglec of rotation can be used α maxrepresent.

Preferably, described touch glide direction comprises that upwards touch is slided, touch is downwards slided, touch is left slided or touch slip to the right.

Preferably, when described touch glide direction is when described upwards touch is slided or described downward touch is slided, the described maximum length that sliding distance is described touch-screen that touches; In the time that described touch glide direction is the described slip of touch left or the described slip of touch to the right, the width that described maximum touch sliding distance is described touch-screen.

Conventionally, maximum corresponding to each touch glide direction touches sliding distance s maxdifferent.For example, when touching glide direction for up or down time, maximum touch sliding distance s maxfor the length of touch-screen; When touching glide direction for to the left or to the right time, maximum touch sliding distance s maxfor the width of touch-screen.When touch glide direction be not upwards, downwards, to the left or to the right time, with reference to Fig. 3, in the time touching glide direction and be β with x axle clamp angle, maximum touch sliding distance s maxfor the length of the line segment CD in Fig. 3.Wherein, dotted line AB parallels with solid line CD.That is to say, in the time touching glide direction and x axle clamp angle and be β, maximum touch sliding distance s maxfor, on touch-screen with touch the parallel slidably distance of maximum of glide direction.

The maximum anglec of rotation α of the each sense of rotation of camera maxpreset by mobile terminal.Alternatively, in the time that the sense of rotation of camera is vertical direction (upwards or downwards), maximum anglec of rotation α maxbe 180 degree; In the time that the sense of rotation of camera is horizontal direction (left or to the right), maximum anglec of rotation α maxbe 180 degree; In the time that the sense of rotation of camera is other directions (being non-perpendicular direction or horizontal direction), maximum anglec of rotation α maxbe 180 degree.By two corresponding sense of rotation, realize the rotation that camera 360 is spent thus.For example, the maximum anglec of rotation=180 degree that the camera maximum anglec of rotation=camera is upwards downward, by these two corresponding sense of rotation, can realize 360 degree rotations of camera vertical direction.

As one embodiment of the present of invention, camera can only be up and down, the rotation of left and right four direction.In the time that touch glide direction is slided for upwards touching, touch screen terminal is detected and is controlled the instruction that camera rotates up by touch-screen; Be that while touching slip downwards, touch screen terminal is detected and controlled the instruction that camera is rotated down by touch-screen when touching glide direction; In the time touching glide direction for touch slip left, touch screen terminal is detected and is controlled the instruction of camera to anticlockwise by touch-screen; In the time touching glide direction for touch slip to the right, touch screen terminal is detected and is controlled the dextrorotary instruction of camera by touch-screen.Be more than or equal to 0 degree and be less than 45 while spending when touching glide direction and x axle clamp angle β, touch screen terminal detects the dextrorotary instruction of control camera by touch-screen; Be more than or equal to 45 degree and be less than 135 while spending when touching glide direction and x axle clamp angle β, touch screen terminal detects by touch-screen the instruction that control camera rotates up; Be more than or equal to 135 degree and be less than 225 while spending when touching glide direction and x axle clamp angle β, touch screen terminal detects the instruction of control camera to anticlockwise by touch-screen; Be more than or equal to 225 degree and be less than 315 while spending when touching glide direction and x axle clamp angle β, touch screen terminal detects by touch-screen the instruction that control camera is rotated down; Be more than or equal to 315 degree and be less than 360 while spending when touching glide direction and x axle clamp angle β, touch screen terminal detects the dextrorotary instruction of control camera by touch-screen.

As an alternative embodiment of the invention, the sense of rotation of camera is not construed as limiting, camera can rotate towards any direction.In the time touching glide direction and x axle clamp angle and be β, touch screen terminal by touch-screen detect control camera to the instruction of the direction rotation of x axle clamp angle β.

As an alternative embodiment of the invention, camera can be to N preset direction rotation, and the angle between this N preset direction is all identical.For example, camera can be to being respectively 0 degree, 60 degree, 120 degree, 180 degree, 240 degree and 300 6 direction rotations of spending with x axle clamp angle.Touch screen terminal detects and touches after slip instruction, analyzes that to touch glide direction the most approaching with above-mentioned which direction, and will be chosen to be the sense of rotation of camera with the immediate direction of touch glide direction.

In S103, determine the anglec of rotation of described camera according to the described maximum anglec of rotation, touch sliding distance and maximum touch sliding distance.

In embodiments of the present invention, the anglec of rotation α of camera is by the maximum anglec of rotation α of camera max, touch sliding distance s and the maximum sliding distance s that touches maxthree parameters decide, i.e. α=f (α max, s, s max).The maximum anglec of rotation α of the anglec of rotation α of camera and camera maxratio α/α maxwith touch sliding distance s and the maximum sliding distance s that touches maxratio s/s maxpositive correlation, can be expressed as, wherein, M is not equal to 0, m and is more than or equal to 1.

In S104, according to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera.

Touch screen terminal is determined after the sense of rotation of camera and the anglec of rotation α of camera, rotates by driver module control camera.

Preferably, described in S103, determine that according to the described maximum anglec of rotation, touch sliding distance and the maximum sliding distance that touches the formula of the anglec of rotation of described camera is:

α = s s max × α max ;

Wherein, α represents the anglec of rotation of described camera, and s represents described touch sliding distance, s maxrepresent described maximum sliding distance, the α of touching maxrepresent the described maximum anglec of rotation.

As a preferred embodiment of the present invention, in, M=m=1, the i.e. maximum anglec of rotation α of the anglec of rotation α of camera and camera maxratio α/α maxequal to touch sliding distance s and the maximum sliding distance s that touches maxratio s/s max, the anglec of rotation α of calculating camera, obtains α = s s max × α max .

Fig. 4 shows the specific implementation process flow diagram of the method S104 of the touch screen terminal control camera rotation that the embodiment of the present invention provides, with reference to Fig. 4:

Preferably, described in S104, comprise according to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera:

In S401, obtain touch sliding time;

In S402, determine the rotational speed of described camera according to the anglec of rotation of described touch sliding time and described camera, and according to the extremely anglec of rotation of described camera of camera rotation described in the rotational speed control of the sense of rotation of described camera and described camera.

As one embodiment of the present of invention, the rotational time of camera equates with touch sliding time, to control in real time camera rotation, and shows in real time the picture that camera photographs on touch-screen.Calculate the rotational speed of camera according to the anglec of rotation that touches sliding time and camera wherein, t represents to touch sliding time, and α represents the anglec of rotation of camera.Again with the sense of rotation of camera and the rotational speed of camera control camera and rotate the anglec of rotation α to camera.

The embodiment of the present invention is by the time that touch screen terminal starts camera, detect and touch glide direction and touch sliding distance by touch-screen, determine the maximum sense of rotation that touches sliding distance and camera by touching glide direction, determined again the maximum anglec of rotation of camera by the sense of rotation of camera, calculate thus the anglec of rotation of camera, rotate according to the anglec of rotation control camera of the sense of rotation of camera and camera again, thereby greatly improved the degree of accuracy of touch screen terminal control camera rotation and the convenience of operation.

The structured flowchart of the device that the touch screen terminal control camera that Fig. 5 shows the embodiment of the present invention to be provided rotates, this device can be for the method for the touch screen terminal control camera rotation described in service chart 1 and Fig. 4.For convenience of explanation, only show the part relevant to the present embodiment.

With reference to Fig. 5, this device comprises:

Touch slip command detection module 51, in the time that described touch screen terminal starts described camera, detect the touch slip instruction that user inputs on the touch-screen of described touch screen terminal, described touch slip instruction comprises touch glide direction and touches sliding distance.

Touch the corresponding parameter acquisition module 52 of glide direction, the maximum of obtaining tangible slip in described touch glide direction touches sliding distance, and determines the sense of rotation of described camera and the maximum anglec of rotation of this sense of rotation according to described touch glide direction.

The anglec of rotation computing module 53 of camera, according to the described maximum anglec of rotation, touch sliding distance and the maximum anglec of rotation that touches sliding distance and determine described camera.

Camera rotation control module 54, according to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera.

Preferably, the formula of the anglec of rotation determination module 53 of described camera is:

α = s s max × α max ;

Wherein, α represents the anglec of rotation of described camera, and s represents described touch sliding distance, s maxrepresent described maximum sliding distance, the α of touching maxrepresent the described maximum anglec of rotation.

Preferably, described camera rotation control module 54 comprises:

Time is obtained submodule, for obtaining touch sliding time;

Submodule is controlled in camera rotation, for determine the rotational speed of described camera according to the anglec of rotation of described touch sliding time and described camera, and according to the extremely anglec of rotation of described camera of camera rotation described in the rotational speed control of the sense of rotation of described camera and described camera.

Preferably, described touch glide direction comprises that upwards touch is slided, touch is downwards slided, touch is left slided or touch slip to the right.

Preferably, when described touch glide direction is when described upwards touch is slided or described downward touch is slided, the described maximum length that sliding distance is described touch-screen that touches; In the time that described touch glide direction is the described slip of touch left or the described slip of touch to the right, the width that described maximum touch sliding distance is described touch-screen.

The embodiment of the present invention is by the time that touch screen terminal starts camera, detect and touch glide direction and touch sliding distance by touch-screen, determine the maximum sense of rotation that touches sliding distance and camera by touching glide direction, determined again the maximum anglec of rotation of camera by the sense of rotation of camera, calculate thus the anglec of rotation of camera, rotate according to the anglec of rotation control camera of the sense of rotation of camera and camera again, thereby greatly improved the degree of accuracy of touch screen terminal control camera rotation and the convenience of operation.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a method for touch screen terminal control camera rotation, is characterized in that, comprising:
In the time that described touch screen terminal starts described camera, detect the touch slip instruction that user inputs on the touch-screen of described touch screen terminal, described touch slip instruction comprises touch glide direction and touches sliding distance;
The maximum of obtaining tangible slip in described touch glide direction touches sliding distance, and determines the sense of rotation of described camera and the maximum anglec of rotation of this sense of rotation according to described touch glide direction;
Determine the anglec of rotation of described camera according to the described maximum anglec of rotation, touch sliding distance and maximum touch sliding distance;
According to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera.
2. the method for claim 1, is characterized in that, described according to the described maximum anglec of rotation, touch sliding distance and the maximum sliding distance that touches determines that the formula of the anglec of rotation of described camera is:
α = s s max × α max ;
Wherein, α represents the anglec of rotation of described camera, and s represents described touch sliding distance, s maxrepresent described maximum sliding distance, the α of touching maxrepresent the described maximum anglec of rotation.
3. the method for claim 1, is characterized in that, describedly comprises according to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera:
Obtain touch sliding time;
Determine the rotational speed of described camera according to the anglec of rotation of described touch sliding time and described camera, and according to the extremely anglec of rotation of described camera of camera rotation described in the rotational speed control of the sense of rotation of described camera and described camera.
4. the method for claim 1, is characterized in that, described touch glide direction comprises upwards touching to be slided, touch downwards and slide, touch left and slide or touch and slide to the right.
5. method as claimed in claim 4, is characterized in that, when described touch glide direction is when described upwards touch is slided or described downward touch is slided, and the described maximum length that sliding distance is described touch-screen that touches; In the time that described touch glide direction is the described slip of touch left or the described slip of touch to the right, the width that described maximum touch sliding distance is described touch-screen.
6. a device for touch screen terminal control camera rotation, is characterized in that, comprising:
Touch slip command detection module, in the time that described touch screen terminal starts described camera, detect the touch slip instruction that user inputs on the touch-screen of described touch screen terminal, described touch slip instruction comprises touch glide direction and touches sliding distance;
Touch the corresponding parameter acquisition module of glide direction, touch sliding distance for the maximum of obtaining tangible slip in described touch glide direction, and determine the sense of rotation of described camera and the maximum anglec of rotation of this sense of rotation according to described touch glide direction;
The anglec of rotation determination module of camera, for determining the anglec of rotation of described camera according to the described maximum anglec of rotation, touch sliding distance and maximum touch sliding distance;
Camera rotation control module, for according to camera rotation described in the anglec of rotation control of the sense of rotation of described camera and definite described camera.
7. device as claimed in claim 6, is characterized in that, the formula of the anglec of rotation determination module of described camera is:
α = s s max × α max ;
Wherein, α represents the anglec of rotation of described camera, and s represents described touch sliding distance, s maxrepresent described maximum sliding distance, the α of touching maxrepresent the described maximum anglec of rotation.
8. device as claimed in claim 6, is characterized in that, described camera rotation control module comprises:
Time is obtained submodule, for obtaining touch sliding time;
Submodule is controlled in camera rotation, for determine the rotational speed of described camera according to the anglec of rotation of described touch sliding time and described camera, and according to the extremely anglec of rotation of described camera of camera rotation described in the rotational speed control of the sense of rotation of described camera and described camera.
9. device as claimed in claim 6, is characterized in that, described touch glide direction comprises upwards touching to be slided, touch downwards and slide, touch left and slide or touch and slide to the right.
10. device as claimed in claim 9, is characterized in that, when described touch glide direction is when described upwards touch is slided or described downward touch is slided, and the described maximum length that sliding distance is described touch-screen that touches; In the time that described touch glide direction is the described slip of touch left or the described slip of touch to the right, the width that described maximum touch sliding distance is described touch-screen.
CN201410229124.7A 2014-05-27 2014-05-27 A kind of method and device of touch screen terminal control camera rotation CN103995788B (en)

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