CN105549852B - Method and device for rotating a picture - Google Patents

Abstract

The present invention provides the spinning solution and device of a kind of picture, comprising the following steps: in picture display interface, receives the pressing instruction that user presses screen；It is instructed according to the pressing, generates and touch item；Record the motion profile for touching item；Go out the direction of rotation for touching item and rotation angle according to the moving track calculation；According to the direction of rotation for touching item and rotation angle, the rotation that the picture carries out respective direction and angle is controlled.Single finger of the present invention is just able to achieve the rotation process of picture, double finger manipulations compared with the existing technology, it appears and it is more simple and convenient, it is user-friendly, to greatly improve the friendly experience of user.

Description

Method and device for rotating a picture

technical field

The present invention relates to the technical field of picture processing, and in particular, to a method and device for rotating a picture.

Background technique

In the prior art, the rotation gesture of a picture requires two fingers to press and hold the touch screen at the same time, as shown in FIG. 1 , and rotate clockwise or counterclockwise, so as to realize the rotation function of the picture. However, the existing technology requires two fingers to operate, resulting in poor user experience.

Therefore, it is necessary to propose a new technical solution to solve the above-mentioned technical problems.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a method and device for rotating a picture, aiming at solving the problem that the rotating gesture of a picture existing in the prior art requires two fingers to press the touch screen at the same time, and rotate clockwise or counterclockwise, So as to realize the rotation function of the picture. However, the existing technology requires two fingers to operate, resulting in poor user experience.

In order to solve the above-mentioned technical problems, the embodiments of the present invention provide the following technical solutions:

An embodiment of the present invention provides a method for rotating a picture, and the method for rotating a picture includes the following steps:

On the picture display interface, receive a pressing instruction from the user to press the screen;

generating a touch bar according to the pressing instruction;

record the movement track of the touch bar;

Calculate the rotation direction and rotation angle of the touch bar according to the motion trajectory;

According to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle.

In order to solve the above-mentioned technical problems, the embodiments of the present invention also provide the following technical solutions:

The embodiment of the present invention also provides a picture rotation device, and the picture rotation device includes the following steps:

The instruction receiving module is used for receiving the pressing instruction of the user pressing the screen on the picture display interface;

a generating module, configured to generate a touch bar according to the pressing instruction;

a recording module, used to record the movement track of the touch bar;

a calculation module, configured to calculate the rotation direction and rotation angle of the touch bar according to the motion trajectory;

The control module is configured to control the picture to rotate in the corresponding direction and angle according to the rotation direction and rotation angle of the touch bar.

Compared with the prior art, the method and device for rotating a picture of the present invention receive a pressing instruction from a user to press the screen on a picture display interface; generate a touch bar according to the pressing instruction; record the motion track of the touch bar; The motion track calculates the rotation direction and rotation angle of the touch bar; and controls the picture to rotate in the corresponding direction and angle according to the rotation direction and rotation angle of the touch bar. Compared with the two-finger operation in the prior art, the present invention can realize the rotation operation of the picture with a single finger, which is simpler and more convenient for the user to operate, thereby greatly improving the user-friendly experience.

Description of drawings

Fig. 1 is the interface schematic diagram of two-finger control picture rotation provided by the prior art;

FIG. 2 is a schematic flowchart of an implementation of a method for rotating a picture provided in Embodiment 1 of the present invention;

3 is a schematic flowchart of the implementation of a method for rotating a picture provided in Embodiment 2 of the present invention;

4 is a schematic diagram of a module of a picture rotation device provided in Embodiment 3 of the present invention;

FIG. 5 is a schematic block diagram of a picture rotation device according to Embodiment 4 of the present invention.

Detailed ways

Please refer to the drawings in the accompanying drawings, in which the same component symbols represent the same components, and the principles of the present invention are exemplified by being implemented in a suitable computing environment. The following description is based on exemplified specific embodiments of the invention and should not be construed as limiting other specific embodiments of the invention not detailed herein.

The principle of the present invention is described by the above text, which is not meant to be a limitation. Those skilled in the art will understand that various steps and operations described below can also be implemented in hardware. The principles of the present invention operate using numerous other general-purpose or special-purpose computing, communication environments, or configurations.

Example 1

Referring to FIG. 2 , a method for rotating a picture provided by an embodiment of the present invention is shown.

The method for rotating a picture is mainly applied in a mobile terminal, and specifically includes the following steps:

In step S101, on the picture display interface, a pressing instruction of the user pressing the screen is received;

In this embodiment of the present invention, when the user needs to rotate a picture, on the display interface of the picture, the user presses the touch screen with a single finger, and at this time, the mobile terminal receives a pressing instruction from the user to press the screen.

In step S102, a touch bar is generated according to the pressing instruction;

In this embodiment of the present invention, since the point where the finger touches the touch screen is not a standard circle, the generated touch bar is an approximate oval or rectangular touch bar.

In step S103, record the motion track of the touch bar;

In the embodiment of the present invention, specifically, the head movement track of the touch bar is recorded; and the tail movement track of the touch bar is recorded.

In step S104, the rotation direction and rotation angle of the touch bar are calculated according to the motion track;

In the embodiment of the present invention, the rotation direction and rotation angle of the touch bar are calculated according to the head movement track and the tail movement track of the touch bar.

In step S105, according to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle.

It can be seen from the above that the method for rotating a picture provided by the first embodiment receives a pressing instruction from the user to press the screen on the picture display interface; generates a touch bar according to the pressing instruction; records the movement track of the touch bar; The rotation direction and rotation angle of the touch bar are calculated from the motion track; according to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle. Compared with the two-finger operation in the prior art, the present invention can realize the rotation operation of the picture with a single finger, which is simpler and more convenient for the user to operate, thereby greatly improving the user-friendly experience.

Embodiment 2

Referring to FIG. 3 , a method for rotating a picture according to an embodiment of the present invention is shown.

The method for rotating a picture is mainly applied in a mobile terminal, and specifically includes the following steps:

In step S201, on the picture display interface, a pressing instruction of the user pressing the screen is received;

In this embodiment of the present invention, when the user needs to rotate a picture, on the display interface of the picture, the user presses the touch screen with a single finger, and at this time, the mobile terminal receives a pressing instruction from the user to press the screen.

In step S202, a touch bar is generated according to the pressing instruction;

In this embodiment of the present invention, since the point where the finger touches the touch screen is not a standard circle, the generated touch bar is an approximate oval or rectangular touch bar.

In step S203, record the head movement track of the touch bar, and record the tail movement track of the touch bar;

In step S204, the rotation direction and rotation angle of the head of the touch bar are calculated according to the head movement track; and the rotation direction and the rotation angle of the tail of the touch bar are calculated according to the tail movement track Rotation angle;

In step S205, an average value of the rotation angles of the head and tail of the touch bar is calculated, wherein the average value is the rotation angle of the touch bar;

In step S206, the rotation direction of the touch bar is calculated according to the rotation directions of the head and the tail of the touch bar;

In step S207, according to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle.

As an embodiment of the present invention, the step of calculating the rotation direction of the touch bar according to the rotation directions of the head and tail of the touch bar specifically includes:

Determine whether the head movement track of the touch bar slides from the left end to the right end;

Determine whether the tail movement track of the touch bar slides from the right end to the left end;

If it is determined that the head movement track slides from the left end to the right end, and the tail movement track slides from the right end to the left end, it is determined that the rotation direction of the touch bar is clockwise.

As another embodiment of the present invention, the step of calculating the rotation direction of the touch bar according to the rotation directions of the head and tail of the touch bar specifically includes:

Determine whether the head movement track of the touch bar slides from the right end to the left end;

Determine whether the tail movement track of the touch bar slides from the left end to the right end;

If it is determined that the head movement track slides from the right end to the left end, and the tail movement track slides from the left end to the right end, it is determined that the rotation direction of the touch bar is counterclockwise.

As can be seen from the above, the method for rotating a picture provided in the second embodiment receives a pressing instruction from the user to press the screen on the picture display interface; generates a touch bar according to the pressing instruction; records the motion track of the touch bar; The rotation direction and rotation angle of the touch bar are calculated from the motion track; according to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle. Compared with the two-finger operation in the prior art, the present invention can realize the rotation operation of the picture with a single finger, which is simpler and more convenient for the user to operate, thereby greatly improving the user-friendly experience.

Embodiment 3

Please refer to FIG. 4 , which is a schematic block diagram of a picture rotation apparatus provided in Embodiment 3 of the present invention; for convenience of description, only parts related to the embodiment of the present invention are shown. The picture rotation device includes: an instruction receiving module 101 , a generating module 102 , a recording module 103 , a computing module 104 , and a control module 105 . The picture rotation device may be a software unit, a hardware unit or a unit combining software and hardware built in the mobile terminal.

The instruction receiving module 101 is used for receiving the pressing instruction of the user pressing the screen on the picture display interface;

a generating module 102, configured to generate a touch bar according to the pressing instruction;

a recording module 103, used to record the movement track of the touch bar;

a calculation module 104, configured to calculate the rotation direction and rotation angle of the touch bar according to the motion trajectory;

The control module 105 is configured to control the picture to rotate in the corresponding direction and angle according to the rotation direction and rotation angle of the touch bar.

In this embodiment of the present invention, the recording module 103 includes: a header recording module 1031 and a tail recording module 1032;

The head recording module 1031 is used to record the head movement track of the touch bar;

The tail recording module 1032 is used to record the tail movement track of the touch bar;

The calculation module 104 is specifically configured to calculate the rotation direction and rotation angle of the touch bar according to the head movement track and the tail movement track.

It can be seen from the above that the picture rotation device provided in the third embodiment receives a pressing instruction from the user to press the screen on the picture display interface; generates a touch bar according to the pressing instruction; records the motion track of the touch bar; The rotation direction and rotation angle of the touch bar are calculated from the motion track; according to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle. Compared with the two-finger operation in the prior art, the present invention can realize the rotation operation of the picture with a single finger, which is simpler and more convenient for the user to operate, thereby greatly improving the user-friendly experience.

Embodiment 4

Please refer to FIG. 5 , which is a schematic block diagram of a picture rotating apparatus according to Embodiment 4 of the present invention; for convenience of description, only parts related to the embodiment of the present invention are shown. The picture rotation device includes: an instruction receiving module 201, a generating module 202, a head recording module 203, a tail recording module 204, a head calculation module 205, a tail calculation module 206, an angle calculation module 207, a direction calculation module 208, a control Module 209. The picture rotation device may be a software unit, a hardware unit or a unit combining software and hardware built in the mobile terminal.

The instruction receiving module 201 is used for receiving the pressing instruction of the user pressing the screen on the picture display interface;

a generating module 202, configured to generate a touch bar according to the pressing instruction;

a head recording module 203, configured to record the head movement track of the touch bar;

The tail recording module 204 is used to record the tail movement track of the touch bar;

a head calculation module 205, configured to calculate the rotation direction and rotation angle of the head of the touch bar according to the head movement track;

A tail calculation module 206, configured to calculate the rotation direction and rotation angle of the tail of the touch bar according to the movement trajectory of the tail;

an angle calculation module 207, configured to calculate the average value of the rotation angles of the head and the tail of the touch bar, wherein the average value is the rotation angle of the touch bar;

The direction calculation module 208 is configured to calculate the rotation direction of the touch bar according to the rotation directions of the head and the tail of the touch bar.

The control module 209 is configured to control the picture to rotate in the corresponding direction and angle according to the rotation direction and rotation angle of the touch bar.

As an embodiment of the present invention, the picture rotation device further includes:

a head first judging module, configured to judge whether the head movement track of the touch bar slides from the left end to the right end;

A first judgment module at the tail, used for judging whether the movement track of the tail of the touch bar slides from the right end to the left end;

The clockwise determination module is used to determine that the rotation direction of the touch bar is clockwise if it is determined that the head movement track slides from the left end to the right end and the tail movement track slides from the right end to the left end.

As another embodiment of the present invention, the device for rotating the picture further includes:

a second head judgment module, configured to judge whether the head movement track of the touch bar slides from the right end to the left end;

a second judging module at the tail, used to judge whether the movement track of the tail of the touch bar slides from the left end to the right end;

The counterclockwise determination module is used to determine that the rotation direction of the touch bar is counterclockwise if it is determined that the head movement track slides from the right end to the left end, and the tail movement track slides from the left end to the right end

It can be seen from the above that the picture rotation device provided in the fourth embodiment receives a pressing instruction from the user to press the screen on the picture display interface; generates a touch bar according to the pressing instruction; records the motion track of the touch bar; The rotation direction and rotation angle of the touch bar are calculated from the motion track; according to the rotation direction and rotation angle of the touch bar, the picture is controlled to rotate in the corresponding direction and angle. Compared with the two-finger operation in the prior art, the present invention can realize the rotation operation of the picture with a single finger, which is simpler and more convenient for the user to operate, thereby greatly improving the user-friendly experience.

The method and device for rotating a picture provided by the embodiments of the present invention belong to the same concept, and the specific implementation process thereof is described in the full text of the specification, and details are not repeated here.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium can include: Read only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc.

In summary, although the present invention has been disclosed above with preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those of ordinary skill in the art can make various Therefore, the protection scope of the present invention is subject to the scope defined by the claims.

Claims (3)

1. A picture rotation method is characterized by comprising the following steps:

receiving a pressing instruction of pressing a screen by one hand of a user on a picture display interface;

generating a touch bar according to the pressing instruction; the touch bar is non-circular and long;

recording a motion track of a user for operating the touch strip by one hand, wherein the motion track is the motion track of the touch strip; the method comprises the following steps: recording the head motion track of the touch strip; recording the tail motion track of the touch strip;

calculating the rotation direction and the rotation angle of the touch bar according to the motion track; the method comprises the following steps: calculating the rotation direction and the rotation angle of the head of the touch bar according to the head motion track; calculating the rotation direction and the rotation angle of the tail part of the touch strip according to the tail part motion track; calculating an average value of the rotation angles of the head and the tail of the touch strip, wherein the average value is the rotation angle of the touch strip; calculating the rotation direction of the touch strip according to the rotation directions of the head and the tail of the touch strip;

controlling the picture to rotate in a corresponding direction and angle according to the rotating direction and the rotating angle of the touch bar;

the step of calculating the rotation direction of the touch bar according to the rotation directions of the head and the tail of the touch bar specifically includes: judging whether the head motion track of the touch strip slides from the left end to the right end; judging whether the tail motion track of the touch strip slides from the right end to the left end or not; if the head movement track slides from the left end to the right end and the tail movement track slides from the right end to the left end, the rotation direction of the touch bar is determined to be clockwise rotation; or,

the step of calculating the rotation direction of the touch bar according to the rotation directions of the head and the tail of the touch bar specifically includes: judging whether the head motion track of the touch strip slides from the right end to the left end or not; judging whether the tail motion track of the touch strip slides from the left end to the right end or not; and if the head motion track slides from the right end to the left end and the tail motion track slides from the left end to the right end, determining that the rotation direction of the touch bar rotates anticlockwise.

2. A picture rotating device is characterized by comprising the following steps:

the instruction receiving module is used for receiving a pressing instruction of pressing the screen by one hand of a user on the picture display interface;

the generating module is used for generating a touch bar according to the pressing instruction; the touch bar is non-circular and long;

the recording module is used for recording the motion track of the touch strip operated by a single hand of a user, and the motion track is the motion track of the touch strip;

the calculation module is used for calculating the rotation direction and the rotation angle of the touch bar according to the motion track;

the control module is used for controlling the picture to rotate in the corresponding direction and angle according to the rotating direction and the rotating angle of the touch bar;

wherein the recording module comprises: a head recording module and a tail recording module;

the head recording module is used for recording the head motion track of the touch strip;

the tail recording module is used for recording the tail motion track of the touch strip;

the calculation module comprises:

the head calculating module is used for calculating the rotating direction and the rotating angle of the head of the touch bar according to the head motion track;

the tail calculation module is used for calculating the rotation direction and the rotation angle of the tail of the touch strip according to the tail motion track;

the angle calculation module is used for calculating the average value of the rotation angles of the head and the tail of the touch strip, wherein the average value is the rotation angle of the touch strip;

the direction calculation module is used for calculating the rotation direction of the touch strip according to the rotation directions of the head and the tail of the touch strip;

the picture rotating device further comprises:

the first head part judging module is used for judging whether the head part motion track of the touch strip slides from the left end to the right end or not;

the first tail judgment module is used for judging whether the tail motion track of the touch strip slides from the right end to the left end or not;

the clockwise determination module is used for determining that the rotation direction of the touch bar is clockwise rotation if the head movement track slides from the left end to the right end and the tail movement track slides from the right end to the left end; or,

the picture rotating device further comprises:

the second head part judging module is used for judging whether the head part motion track of the touch strip slides from the right end to the left end or not;

the second tail judgment module is used for judging whether the tail motion track of the touch strip slides from the left end to the right end;

and the anticlockwise determining module is used for determining that the rotation direction of the touch bar is anticlockwise rotation if the head motion track is judged to slide from the right end to the left end and the tail motion track is judged to slide from the left end to the right end.

3. A storage medium storing a computer program, wherein the computer program causes a computer to perform the method of claim 1.